Abstract: An exercise apparatus includes a handle bar and a resistance assembly, coupled to the handle bar. The resistance assembly includes a housing having first and second opposed parts, and permitting movement of the handle bar about a rotational axis upon applying force to the handle bar. A resistance mechanism resists movement of the handle bar about the rotational axis. A screw, mounted lengthwise along the rotational axis, and engaging a threaded receptacle, adjustably compresses the spacing between the housing parts and modifies resistance to movement of the handle bar. One of the screw and the receptacle is coupled to an adjustment knob setting a user-defined resistance. A clamp, coupled to the housing, removably attaches the exterior of the first housing part to a member. A user grasps the handle bar and moves it by applying force corresponding to the resistance setting. The clamp can be utilized without operating the knob.

Abstract: An exerciser includes two straps and a handle mounted to an end each strap. A connecting member is mounted to the other end of each strap. The exerciser further includes a suspension member having an inelastic strap. A stop is engaged with an end of the inelastic strap. A retaining ring is engaged with the other end of the inelastic strap. A plurality of rings is fixed to the inelastic strap. The retaining member is releasably engageable with one of the rings, so that the inelastic strap forms a loop. The connecting member is releasably engaged with one of the rings. The inelastic strap is mounted around a rod or the like or extended through a gap between a door and a door frame, allowing user to perform exercises resisting the weight of the user.

Abstract: One embodiment of an exercise device placed on top of a door (122) and of the type having an elongated body (102) which has a half circular profile. A base sheet (106) is attached to the base surface (104) of the elongated body (102) and a top sheet (108) is attached to the curved surface (100) of the elongated body (102) such that it drapes past both long edges of the elongated body (102). A primary end sheet (112) is attached to one end of the elongated body (102). The user places the exercise device on the top of a door with the base sheet (106) contacting the door and the primary end sheet (112) contacting the upper sill (118). The user (120) grabs the top sheet (108) in the area of the curved surface (100) and performs a pull-up or hangs freely.

Abstract: A seated row exercise system including an exercise cycle assembly that detachably connects to a chair frame of a chair; and, an elongated support assembly. The exercise cycle assembly includes a main frame having a first end portion detachably connectable to a frame element of a chair frame, the main frame including a plurality of support legs for supporting the exercise cycle assembly relative to the floor; and, a pedal assembly securely connected to the main frame. The elongated support assembly includes a substantially vertical support member secured to the main frame; and, a pulley housing assembly attached to the vertical support member for supporting a cable assembly.

Abstract: A portable door mounted exercise system that can be easily set up and taken down and which doesn't occupy any significant floor space. The system provides variable resistance for aerobic, cardiovascular and muscle building exercises. Variable resistance is provided through a set of elastic cords. A user can select to use any combination of the cords to provide a desired level of resistance for exercise and training. The cords can be attached to a handle, ankle strap, squat strap or neck strap depending on the type of exercise or training desired by the user. The cords can be attached to a pulley system and bracket which is slidably attached to a door mount to provide variable positioning for the pulley system. The system can also include a training computer to provide audio and video training information to the user.

Abstract: A shoulder rehabilitation and exercise device is disclosed which enables a user to perform internal and external rotations of both right and left shoulder. The device is comprised of a base plate, hydraulic damper, restrictor arm, actuator arm, elbow cup and hand grip. A smooth, fluid-like movement is achieved during performance of arcuate internal and external shoulder rotations while also providing automatic increases and decreases in resistance to such motion in response to user effort. In certain preferred embodiments, in addition to such automatic adjustment of resistance, the device includes a means of manually adjusting resistance. The device may be utilized to perform the aforementioned internal and external rotations on a user's right or left side without need for making any adjustments to the machine. Range of motion limitations may be set to control the arcuate degree of internal and external rotations performed.

Abstract: A gym apparatus combining a plurality of cardiovascular exercise machines such as a bike system with weight training machines allowing a user to have many different types of exercise equipment and maintain it in a small space. The apparatus features a housing, an extendable Pilates seat component, a foldable wrist exercise, a bike system, a retractable chin up bar; power barbells in the inner cavity of the housing; and a foldable power barbell bar operatively connected to the power barbells via a pulley system.

Abstract: An exercising apparatus designed to fit around a seat includes a frame that is adapted to be secured to a support. The frame is a U-shaped configuration with a lateral open area to receive the seat into the frame. One or more arms are coupled to the frame about one or more pivots. Further, the pivots allow a pivotal motion of each of the arms when a force is exerted thereto by a user. One or more resistance devices coupled to the frame and the arms, which provide resistance to the pivotal motion of each of the arms. The resistance devices, which may be a hydraulic or pneumatic piston and cylinder, may include a spring to bias the arms toward their initial, upright position.

Abstract: An adjustable strap, detachably installed atop a mattress to serve as an aid for exercise, without having to alter the construction of the mattress or bed frame. The apparatus is utilized for sit-up exercise by an individual reclining upon the mattress. Each end of the strap forms a loop by means of a Velcro fastener of sufficient dimensions that the size of the loop can be varied. The loops are secured to the bed frame. A padded central portion is provided upon the strap, which is wide enough to accommodate a pair of ankles. Means are associated with the strap for spacing the strap from the mattress to provide a space into which the feet and ankles of the user can extend. A flat, semi rigid pad is provided, for the individual to sit atop the mattress without compressing the mattress during exercise.

Abstract: A wheelchair exercise apparatus has a platform which will support a wheelchair. The platform has an elongate slot which the driving wheels of the wheelchair can drop slightly into. An elongate roller, having a central axis which is vertically below the center line of the slot, is movable between a lowered position where it is substantially below the upper surface of the platform and a raised position where it projects through the slot and extends partially above the upper surface of the platform. A locking system holds the wheelchair while the roller is being moved to its raised position and during the exercise period.

Abstract: A resistance chair with wheels assists users with performing correct abdominal crunches by guiding the user's effort. The resistance chair includes a seat connected to a hinged back with back support that extends to support the user's back and assist in the crunch recovery following the crunch extension.

Abstract: The exercise apparatus has a plurality of flat belt-shaped elastomeric resistance bands provided in like or differing elastomeric resistance and like or differing lengths. A specifically designed rectangular mounting bracket is provided for each band end. Each rectangular bracket is designed to be mounted to an existing truck seat base mount, with existing fasteners or otherwise available fasteners, so that a trucker can exercise privately and effectively when experiencing any downtime in travels. The brackets are not limited to seat base attachment only. The apparatus is especially effective for abdominal and lumbar muscle activity.

Abstract: The invention provides a method and apparatus to enable a user to perform upper extremity exercises. The apparatus includes an arm with one end connected to a base to securely support the arm while locating the other end adjacent to the user, proximate the user's upper extremities. The arm is formed with a plurality of joints at or between its ends, each joint having one or more rotational degrees of freedom while providing resistance to rotational movement in the one or more degrees of freedom, such that the free end of the arm can be moved in three dimensional space, and such that the arm is self-supporting. A manipulandum assembly including a plurality of manipulanda is attached to the free end of the arm, each manipulandum being positioned within hand grasping range of the user, and each manipulandum being or representing an object encountered in an upper extremity activity of the user's daily life.

Abstract: A piece of exercise equipment or gym that is secured to either side of a door frame via brackets that are permanently secured to the sides of the door frame across the upper end of a doorway. The gym has an adjustable length rod that is removably suspended between the brackets. A rotatable ring or connection point secured centrally on the rod supports two adjustable length straps. The free end of each strap is provided with a ring to which handles or stirrups can be attached. Also, the rod itself has rubber grips on it and is provided with additional multi-purpose rings where handles or stirrups can be attached.

Abstract: A resistance tubing fitness system and method for climbing walls. The system and method provides a plurality of cooperating components which permit a user to enhance workout activities at a climbing wall. The system may include a guide, instruction cards, resistance bands, handles and hand holds designed to receive a resistance band, step holds and usage and safety instructions. In use, students may perform lateral raises, bicep curls, step-ups and other exercises at designated workout stations at the climbing wall.

Abstract: An exercise device comprising a chair attachment assembly adapted for attachment to a chair at a location under a seat of the chair and configured to extend outwardly therefrom. A pair of leg supports are pivotally coupled at first ends thereof to a pivot point on the chair attachment assembly. Each leg support is independently moveable between a contracted position and an extended position. A leg holder is coupled to each leg support near a second end thereof. A resistance element is pivotally coupled between each leg support and the chair attachment assembly. Each resistance element is configured to provide resistance against both outward movement of the associated leg support from the contracted position to the extended position and inward movement of the associated leg support from the extended position to the contracted position.

Abstract: An exercise device having many advantageous features is described, including the ability to provide a combination of grips to the user, and the ability to easily mount the device to a wall. The exercise device includes a mechanism that permits a limited range of longitudinally motion for an elongated member having grips. The mechanism permits a user to balance while exercising, and provides support resulting from excessive motion of the exercise device.

Abstract: A resistance chair with wheels assists users with performing correct abdominal crunches by guiding the user's effort. The resistance chair includes a seat connected to a hinged back with back support that extends to support the user's back and assist in the crunch recovery following the crunch extension.

Abstract: An exercise device having many advantageous features is described, including the ability to provide a combination of grips to the user, and the ability to easily mount the device to a wall. One exercise device described is an inelastic resistance device having a combination grip that includes hand grips and a loop. The hand grip and loop may be used as a foot grip, or alternatively, just the hand grip can be used by the hand. The selection of a specific accessory grip allows the user to exercise by specific body parts and provides for a greater number of possible exercises.

Abstract: An exercise system for use in a vehicle includes a frame that has a pair of spaced apart base members. Support legs extend from each base member and a crossbeam is connected to and extends between each support leg. Mounting fixtures are positioned on each support leg and on each base member. Additionally, one or more exercise devices may be removably secured to each mounting fixture. In operation a user may attach an exercise device to the frame and undertake resistance exercises for the arms, legs and torso. Various sized individuals at various strength levels can be accommodated via altering the resistance of the exercise device.

Abstract: A lower body exercise device for use with a seat. Other embodiments of the seat mountable lower body exercise device include a lower body exercise mechanism (20) for simultaneous use by a user while working, reading or doing other sedentary activities, and a simple installation mechanism (10) for various forms of seat. In addition, simple detachable function (11a), (11c), and multiple adjustment functions (21aa), (23), (30) for various user's circumstances is available, and one or more exercise alteration is also available by adjustment (30), (33a), (27c), (24b). Other embodiments include a magnetic cycle system which may reduce the exercise device body (21?) in size.

Abstract: A method for using an adjustable exercise device is described that allows for performing a wide variety of different exercises. In one embodiment the exercise device includes an elongated member with ends for supporting a user by their hands, fingers, feet and/or legs, where the device is movably supportable by a structure. The method includes adjusting the distance between the ends, positioning the device relative to the structure, and exercising. The user may support a portion of their weight on the ground and a portion from the ends of the device, and exercise by moving their body with their body thus supported. In alternative embodiments, the device may be supported by a door, a pole, a tree or some other suitable structure.

Abstract: A leg exercise device for use with an office chair including a back, a seat, and a seat support. The leg exercise device includes a leg exercise mechanism for use by a user while seated on the office chair to exercise the user's legs, and a rigid connection mechanism extending from the leg exercise mechanism for detachably and rigidly connecting the leg exercise mechanism to the seat support of the office chair.

Abstract: A wall mount for use with exercise cords is secured to a wall and provides spring clips at multiple elevations for the attachment of the exercise cord. Each spring clip has a central curved portion that extends through a slot formed in the wall mount to provide an attachment point to which the exercise cords can be clipped with a caribiner. The wall mount is secured to the wall with a material-specific anchor. The cords may be quickly and easily attached and reattached to the spring clips at plural elevations for a large number of resistive exercise options.

Abstract: A doorway mounted body exercise apparatus has upper and lower horizontal bars bridging the doorway and carrying respective pulleys and, a rearwardly protruding weight set supporting arm which can be swung between either lateral side to the rear of the doorway to accommodate left and right hand hinged doors and can be retracted into the doorway to permit the door to be completely closed while still mounted. Different cabling arrangements enable the weight set to be used as a counter weight for body weight assistance or additional resistance. An upper frame carrying the upper bar is collapsible for removal and storage or to enable a person to walk through the doorway. The lower bar is hinged at one end to the jamb for swinging up against the jamb so as not to obstruct the doorway when not in use. Footpads on the upper frame enable exercising while hanging upside down.

Abstract: An improved wheelchair trainer with independent flywheel resistance for each wheelchair rear wheel. A lever-operated cam raises the wheelchair rear axle by pushing an inclined block against the axle and forces the rear wheels against wheel engagement means. As one or both rear wheels are turned, each wheel engagement means turns a flywheel in proportion to the speed of the wheel. Force and work may be calculated from the measured rotational speed of the flywheels. A hand-cycle attachment may drive the flywheel resistance.

Abstract: The equipment is considered in paired aspect, one construction for each of the exerciser's hands. In one arrangement, a strapping loop for each is respectively run through both of two tunneled components—a handhold and tethering anchor. To use it, the anchor is positioned on the opposing side at the top of a closed door so as to become trapped in place against the door and its frame. The exerciser grabs the handhold and performs chin-ups or other body suspension exercises by pulling upward along the door's face. A hand bracing assembly is optionally included to cushion the hands from excessive pressure against the door. If desired, the operator may also temporarily adapt the assembly to pull-type exercises.

Abstract: A portable weightlifting device having a segmented, separable, tubular housing that can be quickly and easily assembled and disassembled by a single user. The housing contains a movable weight that is coupled to a user interface outside of the housing by a cable that traverses two pulleys. One of the pulleys can be adjustably positioned for allowing a user to perform a multitude of exercises.

Abstract: A hand-weight cradle apparatus includes a first cradle/base module which includes a base portion, a cradle portion, and base-to-cradle connection means connected between the base portion and the cradle portion. A second cradle/base module includes a base portion and a cradle portion, and base-to-cradle connection means connected between the base portion and the cradle portion, and a first bridge member is connected between the first cradle/base module and the second cradle/base module. A third cradle/base module can be provided which includes a base portion, a cradle portion, and base-to-cradle connection means connected between the base portion and the cradle portion. Also, a second bridge member is connected between the second cradle/base module and the third cradle/base module. The hand-weight cradle apparatus of the invention is especially useful for a person who is sitting on the seat of a wheelchair.

Abstract: An exercise assembly for performing a wide array of exercises including pull-ups and chin-ups is provided which includes a bar connected between rotatable swing arm assemblies. The swing arm assemblies extend along vertical faces of a frame and are adapted to rotate the bar from one position between the vertical faces to another position. The exercise assembly includes at least one handle assembly removably grasping the central bar and having a handle adapted to rotate 360 degrees during exercise.

Abstract: An exercise apparatus is provided having a mobile desk chair including a seat with at least two arm attachment members. A back rest is provided pivotally attached to the seat. A base is provided connected to the seat, the base including a center post and a plurality of chair supports, wherein at least one of the back rest, seat, arm attachment members and chair supports includes at least one attachment point.

Abstract: The method of human body suspension, that includes providing an upright door, and a support body clamped to the door; straddling the door by extending human legs generally transversely at opposite sides of the door; providing grips operatively connected to the support body to project outwardly at opposite sides of the door, and manually grasping the grips to exert force acting to suspend the human torso and legs which remain straddling the door and extending transversely during suspending of the torso and legs.

Abstract: An exercising apparatus designed to fit around a seat is provided. The exercising apparatus includes a frame that is adapted to be secured to the support. The frame is a U-shaped configuration with a lateral open area to receive the seat into the frame. One or more arms are coupled to the frame about one or more pivots. Further, the pivots allow a pivotal motion of each of the arms when a force is exerted thereto by a user. One or more first resistance devices coupled to the frame and the arms, which provide resistance to the pivotal motion of each of the arms.

Abstract: An exercise bike and seat combination assembly includes a frame with an upper portion and a plurality of legs attached to the upper portion. The upper portion has a front end, a back end and a central member. The central member has an elongated opening therein. A backrest is pivotally coupled to the back end. An exercise bike is positioned beneath the frame and includes a housing having a wheel rotatably attached thereto. A pedal assembly is mechanically coupled to the wheel. A post is attached to and extends upwardly from the housing and a bike seat is attached to an upper end of the post. The bike seat is positionable in a stored position beneath the upper portion or in a deployed position extending through the elongated opening. A seat panel is removably positioned on the top portion.

Abstract: Devices, apparatus, systems and methods of providing therapy and exercise to the leg, ankle, and foot of a patient/occupant preferably laying down on a bed. The device can include a clamp that attaches about a footboard/headboard of a bed, with an elongated member extending out from the clamp. Pivotally attached to the end of the member can be a backward L-shaped bar, and a foot pad can be pivotally attached to the lower horizontal leg of the L-shaped bar. Springs can pull the top of the L-shaped bar toward the clamp. The user can push their foot and pivot the footpad so that the springably biased pivotally attached L-shaped bar constantly pushes back against the foot. The ankle can be rotated and the leg extended and the foot moved for therapy and exercise. An additional spring can hold the foot pad in a pivoted position so that an ankle can be further exercised.

Abstract: A portable exercise machine for performing upper extremity exercises including seated chest press, seated-row, seated triceps pull down, and modified seated abdominal crunches. It has two adjacent vertical pieces and one opposing taller vertical piece, each attached to a base member. It also has a pivoting member oriented in an operator-selected direction and an adjustable articulated arm bar with holes at various locations for handgrip attachment and adjustment according to operator stature for optimal user comfort during exercises. Mass resistance is secured by a filamentous member to the pivoting member and moved via pulley systems. The portable exercise machine provides functional body alignment and mimics the range of motion and type of movement needed for daily living, in activities such as but not limited to feeding and dressing. Most importantly, the present invention maximizes the productivity and efficiency of the user and the therapist in a rehabilitation setting.

Abstract: An exercise device, having a pair of handles—namely a first handle and second handle, and an elastic cord extending through the handles. The elastic cord has a fixed end, the first handle located adjacent to the fixed end. The second handle located along the elastic cord further away from the fixed end than the first handle. The second handle can selectively slide freely along the elastic cord toward and away from the first handle. A novel stopping device is attached to at least one of the first handle and second handle, which is capable of fixing the position of its associated handle along the elastic cord so that the elastic cord may then be tensioned to allow exercises to be performed. The novel stopping device includes a keyhole type slot for the cord terminating in a circular opening and forming a pair of pinch points with a tapering slot whereby the cord is securely held in the circular opening against slippage or accidental removal from the opening.

Abstract: An exercising device includes a first strap (1), loops (3, 7) attached to the first strap (1) and an anchorage element (11) that is intended to be fixed to a base, the anchorage element (11) being designed to receive the first strap (1) in such a way that the first strap (1) is displaceable in its longitudinal direction relative to the anchorage element (11). It is significant that at least one loop (3, 7) has such a length/circumference that it may be mounted around the body, e.g. the waist of the chest, of a user.

Abstract: A self-assisted shoulder passive range of motion (SA-PROM) apparatus. The apparatus includes a forearm support adapted to receive the forearm of the affected arm, a double pulley assembly, a single pulley connectable to an elevated support such as an upper door edge, and a main support rope, one end of which is attached to the double pulley, the other end having an enlarged handle. A central portion of the main support rope is engagable over the single pulley. A secondary rope arrangement which is preferably formed of a single length of rope, is attached to each of a plurality of holes formed through said forearm support in proximity to each end and each side margin of the forearm support and arranged over the secondary pulleys to self-regulate pitch and roll movement of the forearm support. The affected arm may be passively raised and lowered through a range of motion by pulling on the handle with the unaffected arm.

Abstract: It is the object of the current invention to provide a removable exercise pole with a base connected with a housing pole that is extended by means of a telescoping upper extension pole. The pole is held in place by a compressive tensioning mechanism that also allows for manual adjustment. The pole is held in constant tension so that horizontal forces may be resisted. A capture plug that may be selectively mounted on an overhead horizontal surface serves to locate the pole on the overhead surface.

Abstract: A portable exercise device includes a main tube having an adjustable length. The main tube includes a central tube and an outboard tube connected to opposite ends of the central tube. First and second door jamb gripping devices adapted to engage a door stop of a door jamb are secured to respective outermost ends of the outboard tubes. A handle is secured to each outboard tube and a pulley is mounted within a hollow interior of each outboard tube. A first resistance band has a first end engaged to a third handle, a second end engaged to a fourth handle, and a medial part positioned in a hollow interior of the main tube that engages the first and second pulleys.

Abstract: A therapeutic rehabilitative apparatus is provided. The therapeutic rehabilitative apparatus is adapted to be removably attached to a standard chair or standard wheelchair in order to provide user with a means for providing physical therapy to a medically afflicted knee. The apparatus includes a bracket adapted to engage the seat portion of the standard chair. The bracket includes a fulcrum pin connector to which a lever is rotationally mounted. A tightener mechanism tightly secures the bracket against the outer ledge portion of the standard chair. The lever includes a handle mounted to an upper end and a rotatable pedal mounted to a lower end.

Abstract: The present invention includes a detachable device for connection to a motorized vehicle. The detachable device may retain pieces of exercise equipment in a safe, effective, and secure manner in order to allow an individual to conduct desired physical activities in a wide variety of environments and/or locations.

Abstract: An exercise apparatus for use, especially by those suffering from joint deterioration due to arthritis or other joint-related disease, the handicapped or individuals with limited or no range of motion. The apparatus is used primarily to stimulate upper body movement and to exercise and tone arm, chest, hand, and other muscles that are frequently not used enough when a person has to remain in a sitting position for long periods of time in a wheelchair or regular chair. The apparatus weights very little and is used primarily for “resistance exercises.

Abstract: An improved wheelchair trainer with independent flywheel resistance for each wheelchair rear wheel. A lever-operated cam raises the wheelchair rear axle by pushing an inclined block against the axle and forces the rear wheels against wheel engagement means. As one or both rear wheels are turned, each wheel engagement means turns a flywheel in proportion to the speed of the wheel. Force and work may be calculated from the measured rotational speed of the flywheels. A hand-cycle attachment may drive the flywheel resistance.

Abstract: A doorway mounted body exercise apparatus has upper and lower horizontal bars bridging the doorway and carrying respective pulleys and, a rearwardly protruding weight set supporting arm which can be swung between either lateral side to the rear of the doorway to accommodate left and right hand hinged doors and can be retracted into the doorway to permit the door to be completely closed while still mounted. Different cabling arrangements enable the weight set to be used as a counter weight for body weight assistance or additional resistance. An upper frame carrying the upper bar is collapsible for removal and storage or to enable a person to walk through the doorway. The lower bar is hinged at one end to the jamb for swinging up against the jamb so as not to obstruct the doorway when not in use. Footpads on the upper frame enable exercising while hanging upside down.

Abstract: An exercise system for use in a vehicle includes a frame that has a pair of spaced apart base members. Support legs extend from each base member and a crossbeam is connected to and extends between each support leg. Mounting fixtures are positioned on each support leg and on each base member. Additionally, one or more exercise devices may be removably secured to each mounting fixture. In operation a user may attach an exercise device to the frame and undertake resistance exercises for the arms, legs and torso. Various sized individuals at various strength levels can be accommodated via altering the resistance of exercise device.

Abstract: An exercise device attachable to the chair is provided which comprises a generally “W”-shaped frame separately mounted on a post of a height-telescopic executive type chair, an elastic band disposed and extending through the W-shaped frame, and a tension adjusting mechanism mounted on the chair and connected to the elastic band. The adjusting mechanism is manipulated to adjust the tension of the elastic strap. The exercise device mounted on the executive chair creates a unique and most serious exercise-station at one's home or office. The tension adjusting mechanism slides up and down with the motion of the chair, and by this action the tension of the elastic band increase or decrease significantly, making the workout routine a challenge or pleasure as per one's choice.

Abstract: Accordingly to one embodiment, an exercise device comprising a T-shaped cylindrical member with an associated mounting assembly that permits the device to be removably mounted to the edge of a door and utilized when the door is closed is described. When an elongated rope with handles at its ends is wrapped around the T-shaped cylindrical member in the desired configuration, a significant amount of resistance to movement of the rope is provided. In one preferred form of exercising using the device, the exerciser provides a small counter force to the handle being held by the arm that is not being exercised and the resulting force necessary to move the handle and rope with the arm being exercised is a much greater than the small counter force as a result of the multiplier effect of the wrapping of the rope around the T-shaped cylindrical member.

Abstract: The inventive device comprises a shelf for inclining said device on the upper and lower footings thereof, and a facility for maintaining a trained person on the tilted shelf in a lying position. The keeping maintenance facilities is mounted on the shelf and embodied in such a way that the projection of the midbackbone of a trained person matches the middle of the spacing of the shelf. Said shelf is embodied in such a way that the shelf sags in the middle of the spacing thereof within a range of 0.5–5% of the spacing length, the trained person being placed in a required region and position. The inventive method for preventing and treating deformations and degenerative diseases of the backbone provides a backbone extension performed on a special device and a training of base muscles supporting the backbone. In accordance with the invention, while the backbone is extended short muscles thereof are also trained.