Abstract: A portable lumbar traction device wherein a variable tension system allows the user to manually manipulate a level of tension using a ratcheting device while undergoing a traction procedure. The invention easily and quickly anchors to a door frame and includes one or more springs to create tension in the device. A belt or harness worn by the user couples to a cable or tether in tension with the spring, and the ratcheting device incrementally increases the tension when actuated by the user until the desired tension level is achieved.

Abstract: A compact, low profile, collapsible exercise device with storage base. The device includes a storage case, a rectangular or U-shaped frame pivotally attached to the storage case, a horizontal hinge rod assembly attached to the frame and rotatably mounted on the frame, a resistance bar, a pair of swing arms, each swing arm having a distal end attached to opposing ends of the hinge rod, and proximal ends attached to opposing ends of the resistance bar. The device includes at least two springs, each spring having a proximal end and a distal end. The distal ends of the springs are releasably attached to spring connectors on the frame. The proximal ends of the springs are attached to the respective swing arms near the proximal ends thereof. In use, an exerciser positions a part of his/her body, such as the hands, in contact with the resistance bar and applies a force sufficient to extend the springs. When the exerciser releases the force, the spring restores to its non-extended length.

Abstract: A home exercise device is of greater value when it is capable of multiple functions and can be easily stored when not in use. Lightweight springs are used in place of heavy weight plates to reduce shipping costs and simplify storage. The device also includes a frame that supports a base, providing linear movement of the base relative to the frame. A bar, with spring tension, is coupled to a multi-position lock. This allows the bar to be positioned in a variety of locations relative to the frame and the user, thereby providing a variety of exercises. A head portion is also provided that includes a torsion spring. This spring can be engaged or disengaged from the frame to allow the user to provide spring tension to resist movement of the head portion. The diversity of movable components offers a vast variety of exercises that can be performed on the unit as well as enabling the unit to fold down for storage when not in use.

Abstract: A pair of cam-buckles properly disposed in a back-to-back manner may be slid along an anchoring strap passed through it and yet reliably kept in place to accommodate loads depending from it regardless of the direction the load is tethered from without danger of slippage along the strap. While this arrangement may be used in a general way for various tasks, it has particularly beneficial application for tethered physical exercise activities. With it, the anchoring strap may be vertically secured around a door and the paired buckles may be moved to any point-high or low-upon the strap, thereby providing variation in tethering direction.

Abstract: An exercise apparatus comprising a generally rectangular extruded aluminum alloy frame having a head end and a foot end and including a pair of spaced apart parallel track members wherein the head end, the foot end, and the track or rail members are each formed from the metal extrusion material. The apparatus includes a movable carriage made of a rigid frame that moves along the rail members between the head and foot ends against one or more resistance members connected to the carriage and the foot end of the frame. Each of the rail members includes a longitudinal slot therein for receiving a foot support bar assembly. The rail members and head and foot end members are generally each metal tubular box extrusions and the rail members telescopically retract. Roller wheels attached to the carriage move along the top of the rail members and guide wheels move along the inside of the rail members.

Abstract: An anchor device for elastically resistive exercise apparatus is disclosed. The cactus-tree anchor device has a rigid elongated vertical backbone. Protruding from the elongated backbone is a plurality of curved, upward-pointing arms resembling the trunk and arms of a Saguaro cactus. Pairs of these curved arms protrude from opposite sides of the elongated backbone. These arms facilitate the easy connection of elastic members, such as coil springs, to the anchor device while helping to prevent elastic members from becoming inadvertently dislodged during expansion and contraction of the elastic member. Mounting members located at upper and lower ends of the vertical backbone allow the anchor device to be mounted on or within the exercise apparatus. The anchor device is particularly adapted for use in a Pilates combination chair exercise apparatus.

Abstract: An exercise apparatus, a method of using the apparatus, and a method of exercising are disclosed. In one or more embodiments, the exercise apparatus comprises an exercise platform comprising a base and a lid, the platform defining an interior space accessible by moving the lid from a closed to an open position with respect to the base, at least one handle associated with the platform for use by a user in moving the exercise apparatus, at least one wheel movably mounted to the base and permitting the platform to be rolled along a surface, at least one riser for use in supporting the platform upon a surface to increase a height thereof and sized to fit within the interior space when not in use, at least one resistive element for selective attachment to the platform for use in an exercise by a user, at least one mount associated with the platform to which the at least one resistive element may be attached, and at least one hand/foot peg for use with the platform.

Abstract: A full body exercise apparatus capable of permitting a user to conveniently develop and condition an extremely broad cross section of muscle groups so as to provide a full body workout. The full body exercise apparatus includes a bottom frame structure having a front end portion, a rear end portion, and a central axis extending therebetween. A seat pad and knee pad are provided near the central axis for user comfort. Stabilizer arms extend horizontally from the central axis to provide stability to the full body exercise apparatus. A pole section is removably secured to the bottom frame structure and extends perpendicularly upwards. A plurality of tension members are removably secured throughout the full body exercise apparatus and include a handle thereupon.

Abstract: An exercise cane that can be used for mobility, but it is also constructed for use as an exercise device while walking or jogging. The cane also includes optional features such as a battery operated light, a storage compartment, a drinking bottle with a container therefore, and a novel drinking straw that allows a user to take a drink without interrupting the physical workout.

Abstract: A multifunctional physical training machine. The training machine includes a frame, two first pad members, a second pad member and a cord assembly. The frame includes a first base bar and a second base bar for resting on the ground, a first frame bar having an end thereof fixed with the first base bar and a second frame bar having an end thereof fixed with the second base bar and the other end thereof connected to the first frame bar. The first and the second pad members are disposed on the first frame bar in different elevation. The cord assembly has two elastic cords detachably connected to the first base bar or the second base bar, and two holding members disposed at the ends of the elastic cords respectively. The cord assembly further has two length adjusting devices to change the lengths of the elastic cords.

Abstract: An exercise machine that outputs constant force from resilient resistances and allows continuously selectable levels of strength training resistance. The machine consists primarily of a pre-biased resistance element (50), a conical pulley structure with eccentric cross section (40), an axially adjustable force attachment point (34) and a frame (10). Flexible force transmission elements (30) conduct force to the user interface elements (16, 17) via pulleys (36).

Abstract: An exerciser includes an exercise module defined by hinged first and second plates with a spring therebetween to provide biasing resistance, and a bracket member for attaching the exercise module to a surface such as a bed. The exerciser provides a simple means for exercising, especially for users in a supine position.

Abstract: A resistance module for an exercise machine for providing a substantially constant force through a range of motion includes at least one cantilever spring and at least one rigid member movable with respect to one another along a path of travel. The rigid member causes the cantilever spring to deflect and produce a resistance force. The cantilever spring has an anchored end and a deflection end. The rigid member engages the deflection end of the cantilever spring, and constrains the deflection end to a predetermined path of deflection as the cantilever spring and the rigid member move with respect to one another. The rigid member can be a non-planer contact surface along which the deflection end tracks, or a pivot link. The module can include means for operatively coupling at least one of the cantilever spring and the at least one rigid member to an exercise machine.

Abstract: An exercising machine for developing multiple muscle groups by combining two distinct exercise elements into a single attenuated movement. The device includes multiple support housings each with upstanding handgrips extending therefrom. Each handgrip has spring resistant elements interconnected with said housings allowing for axial opposing resistant rotation.

Abstract: A leg exercise apparatus and method is provided in which the exercise apparatus can include an elongated base, at least one foot mount slidably coupled to the elongated base, and a biasing member attached to the foot mount and the elongated base and adapted to resist sliding movement of the foot mount relative to the elongated base. The leg exercise apparatus can also include two foot mount guides and substantially parallel foot mount guides, in which the foot mounts can be slidably mounted in the foot mount guides. The leg exercise apparatus can also include a plurality of support structures. Additionally, the leg exercise apparatus can include a biasing member control system. The biasing member control system can include a biasing member and a guide to offset a portion of the biasing member from an imaginary line between the two points, so as to tension the biasing member.

Abstract: An anchor device for elastically resistive exercise apparatus is disclosed. The cactus-tree anchor device has a rigid elongated vertical backbone. Protruding from the elongated backbone is a plurality of curved, upward-pointing arms resembling the trunk and arms of a Saguaro cactus. Pairs of these curved arms protrude from opposite sides of the elongated backbone. These arms facilitate the easy connection of elastic members, such as coil springs, to the anchor device while helping to prevent elastic members from becoming inadvertently dislodged during expansion and contraction of the elastic member. Mounting members located at upper and lower ends of the vertical backbone allow the anchor device to be mounted on or within the exercise apparatus. The anchor device is particularly adapted for use in a Pilates combination chair exercise apparatus.

Abstract: An exercise device for exercising of the abdominal muscles as well as in exercising the muscles of the upper torso, shoulders and arms while the back of the user is supported, elongated and stretched. The device includes a platform which is elevated at one end from a supporting surface for the device. A seat is located at the one end of the platform and a bowed back support member is disposed on the platform adjacent to the seat. The support member presents a convex curved surface of a longitudinal extent such that the back and head of the user can rest thereon with the user in a backwardly reclining posture. A belt fits around the waist of the user while a resilient or stretchable cord is adapted to engage the arms of the user during movement of the user from the backwardly reclining posture wherein the back of the user rests against the convex curved surface to a sitting position. The cord thus increases the force that must be exerted by the abdominal muscles of the user in carrying out this movement.

Abstract: An exercise apparatus utilized for toning and building muscles in different areas of the body, including the arms, chest, shoulders, abdominal muscles, thighs, calves, and hips. The exercise apparatus has a support assembly, having a horizontal bottom support bar, and various components positioned along the support bar. The components include a seat assembly located at the rear end, a pair of thigh press bars located at the middle portion, a foot support assembly located at the front end, and elastic bands. The elastic bands are attached between different movable parts of the apparatus in order to provide resistance to the user when attempting to move such movable parts with respect to each other while exercising.

Abstract: An exercise apparatus for pole vault training including a rope, a cross bar and an elastomer of selected properties intervening between said cross bar and said rope and effective when utilized to simulate the athletic maneuvers of pole vaulting.

Abstract: An inexpensive, easily constructed and portable, exerciser anchor used in conjunction with progressive resistive bands that provide multiple exercise anchor points. The use of multiple progressive resistive bands 20, tubes or cords 22 with 2-point anchor knot attachments increase and provide the vector force that provides tension and resistance to the user. The multiple use of progressive resistive bands and correct placement of the bands enhances the proper bio-mechanic function of the joint being exercised and increases the propioceptive trunk response while moving the extremity. The exercise anchor used in conjunction, but not limited to, with other exercise apparatus such as an exercise ball or trampoline maximizes the exercise benefit by introducing multiple elements to the exercise regimen.

Abstract: A circular fitness apparatus and method. The circular fitness apparatus includes plural flexible exercise attachments attached to a vertical pole in a hollow circular base that can be selected and used for simultaneous group or individual fitness exercises by plural exercise participants. The circular fitness apparatus is useable for group and individual exercise activities comprising health based, skill based and functional based fitness activities.

Abstract: The present invention provides and exercise device and methods designed to assist the exerciser in all abdominal strengthening exercises by use of an adjustable resilient means to provide resistance and absorb impact for the exerciser's eccentric range of motion, while supporting or boosting exerciser's concentric range of motion. This device offers maximum support for the exerciser's hips and back through the full range of abdominal exercises. The device includes a seat member and back member pivotally connected so that the seat and back provide a horizontal platform for the exerciser's use in a full range of abdominal exercise. When the preferred embodiment is not in use, the back member and seat member fold together for ease of storage or portability. A second embodiment offers the advanced exerciser adjustable foot positioning and back member positioning and is supported by an external frame assembly.

Abstract: A multi-function physical training machine comprises a base frame and coupling units mounted on the base frame for the installation of at least one cord assembly which has two elastic cords. A T-shaped bar is pivoted on the base frame to be turned in a predetermined range. First resistance members are installed on the T-shaped bar to provide the T-shaped bar a loading when being turned. A seat assembly is mounted on the base frame and is pivotally connected with a training bar assembly such that the training bar assembly can be turned in a predetermined range. Second resistance members are installed on the training bar assembly to provide the training bar assembly a loading when being turned.

Abstract: An exercise apparatus, a method of using the apparatus, and a method of exercising are disclosed. In one or more embodiments, the exercise apparatus comprises an exercise platform comprising a base and a lid, the platform defining an interior space accessible by moving the lid from a closed to an open position with respect to the base, at least one handle associated with the platform for use by a user in moving the exercise apparatus, at least one wheel movably mounted to the base and permitting the platform to be rolled along a surface, at least one riser for use in supporting the platform upon a surface to increase a height thereof and sized to fit within the interior space when not in use, at least one resistive element for selective attachment to the platform for use in an exercise by a user, at least one mount associated with the platform to which the at least one resistive element may be attached, and at least one hand/foot peg for use with the platform.

Abstract: An exercise kit includes an article of clothing stitched together using strands of a metallic fiber, wherein the metallic fiber imparts a memory property to the article of clothing to cause dynamic tensioning and compressing when the article of clothing is deformed from an original shape through the natural extension and flexing actions of a user wearing the article of clothing.

Abstract: A method for strengthening coordination between a person's hand muscles and muscles of the lower part of a person's body involves (a) the person jumping into the air while holding a hanging article; and (b) placing while in the air the hanging article on an elevated, substantially horizontal flexible support, so that the hanging article is retained on the support after the person releases the article from his hold. The support is positioned above the extended height of the person. An exercise system for strengthening coordination between a person's hand muscles and muscles of the lower part of a person's body thus includes (a) an elevated substantially horizontal flexible support; and (b) a hanging article, wherein the support is positioned above the extended height of the person.

Abstract: An exercising machine wherein a cable pull is resisted by spring deflection. The cable is connected to a lift arm that is pivotally fixed and carries a lift roller. The lift roller abuts a pivotally mounted bar and urges pivotal movement of the bar opposed by a spring member. The connection of the cable to the pivotal lift arm, the position of the lift roller relative to the lift arm pivot, the engagement of the roller with the pivotal bar and the engagement of the spring member with the pivotal bar all involving lever advantages that can be manipulated to achieve varying shapes of resistance of the cable pull as felt by the user.

Abstract: A multi-purpose exercise device is disclosed. The device is generally an elongated rectangular box with a top side, a bottom side, a right side, a left side, a front side and a back side. The box tapers from the topside to the bottom side, giving it a trapezoidal configuration. The top side includes a transverse hinge forming a first adjustable section and a second adjustable section. The first section may be rotated about the hinge and be fixed at various angles by a pivotal adjustment arm. The second section may also be rotated about the hinge and may be secured in an angular position by a seat riser. The interior under the first section holds specialty bars, a wheel, a body pad and a variety of other devices. The interior under the second section holds handles, ankle straps, kneepads, cable ties, elastic elements and the like. A plurality of color coded ring clips are present on the right side, the left side, the front side and the back side.

Abstract: An exercise device having an elongate, substantially rigid pad. The exercise device also includes a pair of handrollers, each handroller comprising a handgrip supported between a pair of wheels. The device also includes a pair of stretchable tensioning members. Each of the tensioning members interconnects a respective one of the pair of handrollers and the pad.

Abstract: An exercise aid with a crenellated surface is spaced from a support surface such as a wall or door. An elastomeric resistance member is slid between the crenellated surface and the support surface to be located in a selected crenel at a selected height. Exercises are performed by grasping the elastomeric resistance member and extending the member against the resistance of the exercise aid which is attached to the support surface.

Abstract: An apparatus for training body movements in athletics includes a waist strap configured for attachment around the torso of a wearer and having a plurality of attachment rings connected detachably thereto, and a shoulder strap configured for attachment around the wearer's shoulders and having two cooperating ends. The shoulder strap is configured to extend around the wearer's shoulders and under the wearer's arms such that the cooperating ends are connectable together at a point located substantially between the wearer's shoulder blades. The shoulder strap further includes a plurality of attachment rings connected detachably thereto. The apparatus may further include leg straps configured for attachment around the wearer's legs and arm straps configured for attachment around the wearer's arms. The leg and arm straps may each include a plurality of attachment rings connected detachably thereto.

Abstract: A door-mounted strap extends around a door in the vertical direction, typically being placed medially of the door. On the deadman side of the door, the strap is continuous as it faces the exerciser. On a face of the door, away from the exerciser, the strap has a tension-locking clamp, typically a ladder lock, enabling the tightened door-mounted strap to snugly surround the door. Extending from the door top to the door bottom on exerciser's side of the door is a back-mounting strip that exceeds in width and underlies the door-mounted strap. This back-mounting strip is sewn at intervals to enclose the horizontally disposed linear back members of D-rings at approximate 10-inch intervals. Removable and attachable elastic members are provided for fastening to the arcuate portions of the D-rings. These D-rings and elastic members are provided in combination with handholds, limb straps, at the like to enable standing, sitting or prone exercise positions between the D-rings at the deadman and the exerciser.

Abstract: An exercise apparatus providing resistance for hip and knee strengthening without increasing joint loading or shear force beyond that imparted by muscle contraction. A preferred embodiment includes a portable embodiment to allow continued use throughout changes in exercise environment.

Abstract: The combination with liftable apparatus, including at least one weight, includes an assembly comprising at least one generally upright guide or housing supported by a base to extend near at least one weight, at least one elongated cord extending in proximity to the guide, or within the housing, the cord being resiliently stretchable and having a lower end retained relative to the base, the cord having an upper end portion configured to be lifted with the weight, whereby when said assembly is lifted, the cord becomes resiliently stretched to resist such lifting. Multiple such cords can be provided to extend in parallel, and may be coded as by color, for cord selection to provide selected added resistance to weight lifting.

Abstract: A golf development and training device has first and second rods detachably connected at first and second connection points. Both rods contain multiple apertures for the receipt of one hooked end of a stretchable or elastic tube. The rods define a space between them when they are connected. A grip slidably engages the first rod and audibly clicks as it slides against the second rod when certain critical aspects of the training motion are correctly performed. At least one elastic tube is connected between the rod assembly and an attachment device which is secured to a stationary object that provides resistance and support. The attachment device includes vertical and horizontal rows of attachment apertures that receive the other end of the elastic tube. Multiple elastic tubes may be used, the number of which is dictated by the level of resistance desired during any particular exercise or training movement.

Abstract: An exercise apparatus, a method of using the apparatus, and a method of exercising are disclosed. In one or more embodiments, the exercise apparatus comprises an exercise platform comprising a base and a lid, the platform defining an interior space accessible by moving the lid from a closed to an open position with respect to the base, at least one handle associated with the platform for use by a user in moving the exercise apparatus, at least one wheel movably mounted to the base and permitting the platform to be rolled along a surface, at least one riser for use in supporting the platform upon a surface to increase a height thereof and sized to fit within the interior space when not in use, at least one resistive element for selective attachment to the platform for use in an exercise by a user, at least one mount associated with the platform to which the at least one resistive element may be attached, and at least one hand/foot peg for use with the platform.

Abstract: The invention provides an exercise device including an elongate anchor bar assembly, an elongate foot bar assembly movable relative to the anchor bar assembly having at least a foot restrainer for restraining a user's feet, a foot coupling assembly for connecting the foot bar assembly to the anchor bar assembly, a pair of hand coupling members, and hand grip. The foot coupling assembly is attached to the anchor bar assembly and to the foot bar assembly. Each hand coupling member has a secured end and a free end, and each secured end is attached to one of the anchor bar assembly and the foot bar assembly. The free ends are attached to the hand grip, so that the hand grip is movable relative to the anchor bar assembly and the foot bar assembly.

Abstract: An exercise apparatus for exercising a body part is disclosed as including an attachment structure and a resistance member. The attachment structure is adapted for placement on the body part that is to be exercised. The attachment structure includes a plurality of fasteners positioned at different locations on the attachment structure. The resistance member provides resistance for exercising the body part. The resistance member has a first end and a second end. A resistance member fastener is located proximate the first end of the resistance member and is capable of fastening to at least one of the fasteners located on the attachment structure. The resistance member includes an anchor for removably attaching the second end of the resistance member to an anchor point. An apparatus for exercising a body part may also include a plurality of distinct identifications on the attachment structure for the plurality of fasteners.

Abstract: A portable and personal exercising device that may be stored and transported as a kit of intermatable components, then readily assembled and removably secured to a hinged door of a structure. The kit essentially comprises three telescopically engaging cylindrical members, where a pair of the members mount pulleys, a sliding weight member for vertical movement along the mated cylindrical members, and a cable in cooperation with the pulleys sliding weight member to effect such vertical movement by the person seeking exercise.

Abstract: An apparatus for plyometrically exercising the muscles of the user's back. The apparatus includes a exercise panel connected parallel to a back panel, the exercise panel being movable in relation to the back panel. Springs are disposed between the exercise panel and the back panel, so that movement of the exercise panel in relation to the back panel requires compression or extension of the springs. A seat panel is provided, which is connected to the back panel and when in use is disposed about perpendicular to the back panel. Body straps are provided for comfortably securing the user's torso to the exercise panel. The user plyometrically exercises his back muscles by rapidly alternately pressing his back against the exercise panel to compress the springs, and then pushing forward against the body straps to pull the springs into tension.

Abstract: An exercise device and method of use are provided which allows the user to exercise and strengthen the spinal and abdominal muscles. The device includes a telescoping stanchion which is tension loaded with resilient bands which can be used in multiples to increase the tension and resistance needed. The height of the stanchion can be adjusted as well as its angularly position relative to a base having a seat thereon.

Abstract: A portable leg or arm powered exercise device for a person that may include a seating pad permanently or detachably affixed to a support base upon which one or more resistance members are mounted for engagement by one or both feet or hands of the user.

Abstract: An exercise belt for use while seated in a normal position in a motor vehicle and preferably while using the installed safety harness in which the exercise belt incorporates a resilient resistance member extending diagonally across the chest of the user and held in position by oppositely extending tie straps tied to brackets secured to the vehicle. The tie straps are adjustable in length to adjust the position of the resistance member and one of the tie straps is provided with a quick release buckle to facilitate removal of the exercise belt when not is use.

Abstract: A resistance exercise apparatus is provided which includes structures for receiving a body extremity of a user, the means for receiving a body extremity subject to a force provided by the body extremity, structures for maintaining the means for receiving a body extremity in a predefined plane during movement; and resistance providing devices to impose resistance against the movement of the body extremity. Versions of the apparatus may positioned on a floor, on a wall, or be free standing. Various embodiments of the invention are particularly suited to provide range-of-motion exercises for legs, arms, and hands of the user for both recreational strengthening and physical therapy applications.

Abstract: An exercise apparatus that exercises at least four groups of muscles is disclosed. The exercise apparatus exercises at least the calf muscles, the hamstring muscles, the quadriceps muscles and the maximus gluteus muscle. The apparatus utilizes a seated position and incorporates an elastomeric tension member to provide the resistance. The exercise apparatus incorporates a backrest and a footrest. When a person exercising pushes against the backrest, the backrest rotates listing the person exercising such that the four muscle groups are exercised.

Abstract: An exercise apparatus comprising a generally rectangular extruded aluminum alloy frame having a head end and a foot end and including a pair of spaced apart parallel track members wherein the head end, the foot end, and the track or rail members are each formed from the metal extrusion material. The apparatus includes a movable carriage made of a rigid frame that moves along the rail members between the head and foot ends against one or more resistance members connected to the carriage and the foot end of the frame. Each of the rail members includes a longitudinal slot therein for receiving a foot support bar assembly. The rail members and head and foot end members are generally each metal tubular box extrusions and the rail members telescopically retract. Roller wheels attached to the carriage move along the top of the rail members and guide wheels move along the inside of the rail members.

Abstract: An exercising machine for developing multiple muscle groups by combining three distinct exercise elements into a single attenuated movement. The device includes a bifurcated support base having an upstanding support post. A pair of bipolar pivoting arms extending from a central support bracket pivotally secured to support post. Axially resistant handgrips extending from the respective pivoted arms. Resilient elements interconnecting the bipolar arms, support brackets and support posts. A bench being positioned for user engagement in spaced relation to said respective handgrips.

Abstract: An exercise apparatus comprises a generally rectangular frame having a head end and a foot end and including a pair of spaced apart parallel track members, a movable carriage mounted on the frame for movement along the track members between said head and foot ends against one or more springs connected between the carriage and the foot end of the frame. The carriage has a generally flat upper surface for supporting a user's body. The upper surfaces has a pair of spaced shoulder stops and ahead rest extending from the carriage toward the head end. The foot end includes an elastic member anchor bar and carriage stop assembly to adjustably position the carriage and elastic members on the tracks to accommodate a wide range of user heights. The foot end also includes a pair of upright foot rest bar support brackets fastened to the frame. Each upright foot rest bar support bracket has a plurality of slanted slots therein operably positioned to receive a central bar portion of a foot rest support bar.

Abstract: A compact, low profile, wall-mountable exercise device. The device includes a modular, wall-mountable rectangular frame, a horizontal hinge rod assembly attached to the frame and rotatably mounted on the frame, a resistance bar, a pair of swing arms, each swing arm having a distal end attached to opposing ends of the hinge rod, and proximal ends attached to opposing ends of the resistance bar. The device includes at least two springs, each spring having a proximal end and a distal end. The distal ends of the springs are releasably attached to spring connectors on the frame. The proximal ends of the springs are attached to the respective swing arms near the proximal ends thereof. In use, an exerciser positions a part of his/her body, such as the hands, in contact with the resistance bar and applies a force sufficient to extend the springs. When the exerciser releases the force, the spring restores to its non-extended length.

Abstract: A portable and light weight exercise device comprising an adjustable nylon strap which has a series of nylon loops along one side, that side being of a length equal to the height of a door, and the adjustable nylon strap having affixed thereto on the side opposite the side having the nylon loops, a locking mechanism that allows for adjustment of the length of the adjustable nylon strap so that the adjustable strap may be positioned to encircle the height of the door. An elastic band is passed through a selected loop in the series of loops on the adjustable nylon strap. The user pushes or pulls the elastic band passed through a loop to exercise a wide range of muscle groups.