Abstract: A physical fitness and rehabilitation apparatus is provided for use in combination with an inflatable exercise ball. The apparatus may include a plurality of handles. In use, a user may rest against the ball and the platform while gripping the plurality of handles to improve the user's strength, balance, flexibility, and/or joint stabilization.

Abstract: Exercise devices for exercising the abdominal muscles and other muscle groups are disclosed. Each of the exercise devices has a housing from which opposing interconnected ends of an axle extend and a support ball that is captured within and partially extends from the housing. The housing has a cavity defining a partial sphere for receiving the support ball. Each of the exercise devices also comprises a plurality of strips which are attached to the surface of the cavity. Each of the strips includes a plurality of bearings each of which is captured within a bearing race. The strips are positioned upon the cavity surface so as to engage the support ball surface and to provide free-rolling support of the housing on the support ball in any direction when the exercise device is in use. Methods of using the exercise devices are also disclosed.

Abstract: The invention relates to an exercise device for use by a user on a selected surface material comprising a grasping member having a first end and a second end, a first tool head mounted to the first end of the grasping member and a second tool head mounted to the second end of the grasping member. Each of the first tool head and the second tool head has sufficient structural rigidity to be interacted with the surface material without significant deformation whereby a user can perform exercises upon the selected surface material by physically interacting the first tool head and second tool head with the surface material.

Abstract: An abdominal exercise device is disclosed. The exercise device can include a flexible substrate having a first end and a second end. At least one of the first end and the second end can be configured to move with respect to each other. The exercise device can also include a curved portion between the first end and the second end. The curved portion can be configured to flex upon application of a force to the flexible substrate.

Abstract: An exercise apparatus includes a U-bar the ends of which are pivotally coupled to two L-bars by rotatable hinge assemblies containing a torsion spring. The rotatable hinge assemblies have a torsion spring tension setting means configured to vary the tension of the torsion spring and to secure the torsion spring at two or more distinct tensions settings without disassembly of the apparatus thus providing two or more distinct levels of resistance to the relative rotation of each L-bar independently with respect to the U-bar. Additionally, in certain embodiments of the apparatus each hinge assembly has an operation setting means that functions to control the allowable independent rotation of each L-bar relative to the U-bar end sections.

Abstract: An exemplary embodiment relates to an exercise machine, comprising a generally horizontal platform having an upper surface adapted for a user to recline thereon, a foot support pivotably attached to the platform with a mechanism for securing the user's feet to the platform, at least one pair of resistance straps attachable to the exercise machine at one or more locations on the platform, and at least one pair of routers adapted to interact with resistance straps.

Abstract: A device for exercising the abdominal and other core muscles of a user comprises a rotatable base having a central opening therein, and a bar removably insertable into the opening. The bar may comprise two or more separable segments and may have provide for the attachment and removal of weights to provide resistance to a user. Also disclosed is a method of exercising using such a device.

Abstract: The present invention is a bed sit-up apparatus that allows a user to perform sit-up exercises and other related exercises comfortably on a well-cushioned mat such as a mattress of a bed without the need of an individual restraining the feet of the user throughout the exercise maneuver. The present invention comprises a board, a strap, a sleeve and a tri-glide slide. The strap is attached to the board by traversing therethrough via a first strap slot and a second strap slot. The two ends of the strap are subsequently united and attached to each other via the tri-glide slide. The length and the circumference of the strap are adjustable to fit the width of both feet. The present invention also comprises the method of use of the bed sit-up apparatus. The method not only includes the traditional sit-up maneuver, but also side sit-up and leg maneuvers.

Abstract: An exercise wheel is provided. The exercise wheel includes a wheel, a first support bar, and a second support bar, wherein a support portion is formed inside the wheel, and the support portion includes a first surface and a second surface opposite to the first surface; an end of the first support bar is connected to the support portion, and the other end vertically extends outwardly in a direction away from the first surface; the second support bar and the first support bar are symmetrical about a center of the wheel, an end of the second bar is connected to the support portion, and the other end vertically extends outwardly in a direction away from the second surface; therefore, when holding the first and second support bars with two hands, a user can drive the wheel in a mode of riding a bicycle, so a body of the user moves forward and backward, so as to work muscles of an upper part of the body.

Abstract: A physical fitness and rehabilitation apparatus is provided for use in combination with an inflatable exercise ball. The apparatus may include a plurality of handles. In use, a user may rest against the ball and the platform while gripping the plurality of handles to improve the user's strength, balance, flexibility, and/or joint stabilization.

Abstract: An abdominal training apparatus provides focused training on the abdominal muscles using a resistance provided by a resistance device. The user may be supported in an elevated position by a seat support. A cable may transfer the resistance from the resistance device to the user. One or more pulleys may guide the resistance such to the user such that a force vector below and away from the user is provided to the user. In use, the user may perform abdominal training by engaging or grasping the cable to engage the resistance. The user may also support or secure one or both legs using a leg support of the apparatus. The force vector of the resistance is highly beneficial in that it allows the resistance to target and strengthen the abdominal muscles.

Abstract: A multipurpose exercise device has a portable construction, and is geometrically optimized with arcuate and planar surfaces to allow a safe and effective workout of the abdominal muscles when attached to the feet of a user. Furthermore, the device enables a user to efficiently transition from an oblique abdominal exercise to a core abdominal exercise in a highly efficient, hassle-free manner.

Abstract: An abdominal exercise device has a base, a seat mounted on the base, a front frame rotatably on a front of the base, a rear frame rotatably mounted on a rear of the base, a connecter connected pivotally to the front frame and the rear frame, an adjusting assembly mounted on the base and at least one resilient element connected to the rear frame and adjusting assembly. The at least one resilient element pulls the rear frame along with the connecter and the front frame to assist in performing sit-ups so abdominal muscles of a user using the abdominal exercise device is trained.

Abstract: An exercise machine suitable for exercising a person's muscles contains a frame (100), a seat (102) situated over the frame, a seatback (104), a connection mechanism (106) for flexibly and adjustably connecting the seatback to the frame or/and the seat, and a pedaling mechanism (112) connectable to the frame. The pedaling mechanism has a pair of movable pedals (140) that revolve generally around a pedaling axis. The seatback is capable of swiveling.

Abstract: One embodiment of a portable acrobatic training apparatus (I) with which to support and instruct athletes learning back handsprings having opposing flat vertical ends (16), a resilient arcuate uppermost surface (10), a flat horizontal base (12), and a convex near surface (14). Said trainer apparatus is of approximate elliptical shape, rests on its base until intentionally activated by user, is self-limiting rotationally, and returns to start position automatically following each usage.

Abstract: The invention is an exercise equipment apparatus. More specifically, the invention is for an exercise equipment apparatus that facilitates performance of variations of a boxer crunch stand. An exercise equipment apparatus in accordance with the present invention comprises a frame, a substantially rectangular pad coupled to the frame, a first pair of substantially cylindrical pads coupled to the frame, and a second pair of substantially cylindrical pads coupled to the frame, and situated between the rectangular pad and the first pair of cylindrical pads, wherein the cylindrical pads height level may be adjustable for users of various heights.

Abstract: Some embodiments provide an abdominal training machine that uses an adapted reverse crunching motion to minimize stress to the knees, back, shoulders, and neck when training the abdominal muscles. The machine combines weight resistance training with a replicated natural motion of each leg to produce the adapted reverse crunching motion. The adapted reverse crunching motion is performed using a section of the lower part of the body closest to the abdominal muscles while the upper body or torso remains stationary. In some embodiments, the abdominal training machine includes a frame, a body support member, and two individually rotating resistance members. Each resistance member includes a weight assembly for providing a user adjustable amount of resistance.

Abstract: Apparatus for gymnastic abdominal exercise comprising a base (1) and supporting means (2) for the user's legs. Base (1) comprises at least one suction cup (3) for attaching said apparatus to a smooth surface and supporting means (2) comprise holding elements (4) for firmly holding the user's legs.

Abstract: The present invention includes an exercise apparatus adapted to exercise a user's gluteus muscles. The exercise apparatus and method of use allow the user to focus on and exercise gluteus muscles with specificity. Embodiments of the exercise apparatus include an upper body support, a foot support, and an exercise space. The exercise space is typically disposed substantially between an upper body support and a foot support, and permits substantial movement of a user's hips in both a forward direction and a rearward direction, substantially in or parallel to a user's sagittal plane. The exercise apparatus is adapted to load a user's gluteus muscles throughout a generally large range of gluteus muscle flexion and extension.

Abstract: An exercise machine has a user support movement arm rotatably mounted on a support frame for rotation about a first pivot axis, and a user support assembly pivotally connected to the movement arm for rotation about a second pivot axis so that the user support assembly rotates in two directions about different pivot axes. An exercise arm pivotally mounted on the frame is linked to the user support assembly or user support movement arm so that movement of the exercise arm automatically moves the user support assembly. Movement about one pivot axis may be a free pivoting, non-resisted movement while movement about the other pivot axis may be associated with a resistive load.

Abstract: An apparatus for an abdominal exerciser device in the general shape of an adult human cervical spine which acts to fix the position of the neck and cervical spine during a stomach crunch exercise movement is presented. The abdominal exerciser device comprises three major components: the device spine, the cushion assemblies, and the hand straps. The device spine is a bar or tube curved to follow the adult human cervical and upper thoracic spine and provides attachment points for the cushion assemblies and straps. The cushion assemblies are contact points for the exerciser's head and upper back, while the straps allow the exerciser to keep contact with the exerciser device during the exercise movement with minimal force.

Abstract: An abdominal exercising apparatus includes a frame with a first lateral member, a second lateral member, a first end member and a second end member attached together in a rectangular configuration. A pair of slides is provided. Each of the first and second lateral members has one of the slides attached thereto. The slides are slidable toward or away from the second end members and are engageable with a person's foot. A connecting assembly is coupled to each of the slides. The connecting assembly couples together the slides to cause a first one of the slides to move away from the second end member when a second one of the slides is moved toward the second end member. A person's feet are positionable on the slides while the person faces the upper surface of the frame. The person moves the slides back and forth to exercise the person's abdominal muscles.

Abstract: An abdominal exercise device has a base, a seat mounted on the base, a front frame rotatably on a front of the base, a rear frame rotatably mounted on a rear of the base, a connecter connected pivotally to the front frame and the rear frame, an adjusting assembly mounted on the base and at least one resilient element connected to the rear frame and adjusting assembly. The at least one resilient element pulls the rear frame along with the connecter and the front frame to assist in performing sit-ups so abdominal muscles of a user using the abdominal exercise device is trained.

Abstract: An apparatus for abdominal exercise comprises a pair of laterally spaced u-shaped support rails for rocking back and forth on a surface. A pair of arm rests are each connected to the inside u-shape portion of one of the support rails and extend rearwardly from the contact point to the surface to receive an elbow of a person disposed between said rails in a supine position. A first connecting portion connects the support rails above the contact point to the surface. A second connecting portion connects the support rails behind the contact point to the surface. A plunger is connected to said first connecting portion whereby a person disposed supinely on said support surface and between said support rails and with one of the hands or arms of the person engaging said first connecting portion is able to conduct a curling exercise to exercise the abdominal muscles of the person while rocking said device, and wherein said plunger is positioned to engage a user's abdomen to provide a kinetic and isometric force.

Abstract: An abdominal exerciser has base and back frames pivotally mounted for movement between upright and recumbent positions, and a seat frame with cushion rotatable on the base frame. A low friction journal between the base and seat frames supports a user's weight. The journal is about 30 to 42% the distance from a rear end of the cushion to its front end so the user's coccyx is vertically aligned with the journal. Arms at each side of the base frame have a pair of extensions connected to either the base or seat frame, each with a U-shaped handhold lying in a plane at an acute angle of about 30 to 80 degrees to the horizontal. A pair of single pulleys or a pair of tandem pulleys are mounted near the rear of the base frame and are engaged by sleeve-covered springs for biasing the back frame toward the upright position.

Abstract: An exercise device for achieving desired abdominal contractions during exercise movement includes a back support and a pair of leg blades removably attached to the back support. The device includes a back blade attached to the back support and extending upward from the lower end along a centerline of the back support, and a neck support assembly attached to the back blade.

Abstract: An exercise apparatus designed to specifically target the abdominal muscles is described along with a method of using the apparatus. The apparatus generally comprises four parts: a base; a seat frame attached to the base; an upper portion having a back support and handles; and a lower portion to retain the legs of a user. The apparatus allows a user to complete a typical “crunching” motion and a twisting motion encompassing both the upper torso and the lower body simultaneously. In other words the lower portion and the upper portion of the device are capable of movement about at least two distinct axes simultaneously.

Abstract: A device and method are disclosed for training the abdominal muscles of a user in an upright position. The device and method are configured to lead the upper torso of the user while bending along a preferred path, so that the backbone is bent in a proper manner causing a proper training of the abdominal muscles.

Abstract: A free-standing exercise device is disclosed for exercising the abdominal muscles of a user being in a substantially upright position. The exercise device includes a base structure, an upper structure, two handles and a beam element. The beam element is suspended by tensioning means and is configured, positioned and sized to directly engage the abdomen when the user grasps the handles and pulls himself or herself forward and backward relative to the handles. The exercise device may further include a skateboard or roller device to facilitate the forward and backward movement by the user.

Abstract: The present invention relates to a an improved exercise apparatus and, in particular, a sit-up apparatus which is compact, light-weight, easily transportable, easily stored, and which is configured in a unique manner to reduce the risk of back injury during use.

Abstract: An apparatus for performing abdominal and squat exercises is provided with a frame having a support member, a first end and a second end that operate to provide horizontal stabilization, and at least two leg securing bars extending substantially transversely from the frame of the apparatus. A first leg securing bar may be disposed at a first location along the frame, and a second leg securing bar may be disposed at a second location along the frame such that the arrangement of the leg securing bars in the first and second locations permits the apparatus to operate as an exercise device for abdominal and squat exercises. A user of the apparatus may position one or more legs in between the leg securing bars and perform abdominal and squat exercises without having to readjust the leg securing bars and without having to move one or more feet thereof in between routines.

Abstract: An exercise apparatus includes a knee receiving unit comprising a stationary base, a rigid platform rotatable about the stationary base about an axis, at least one compliant member on a top surface of the rigid platform, the at least one compliant member including knee receiving portions. The knee receiving portions may be located on substantially diametrically opposite sides of the axis. The exercise apparatus may further include a hand grip unit. In a method for using such an exercise apparatus, a user positions both knees on the knee receiving portions, grips the hand grip unit and rotates the rigid platform relative to the stationary base.

Abstract: An exercise device for achieving desired abdominal contractions during exercise movement includes a back support and a pair of leg blades removably attached to the back support. The device includes an adjustable back blade attached to the back support and extending upward from the lower end along a centerline of the back support, and a neck support assembly attached to the back blade.

Abstract: A portable abdominal exercise mat apparatus is disclosed comprising, in one embodiment, an elongate, flexible mat having a relatively rigid elongate handle portion engaged at one end of the mat, the apparatus being sized and configured for providing adequate support for a user's back, neck and head while the user performs a wide range of abdominal exercises. In further embodiments, the handle portion is configured for removably accepting a variety of attachment accessories, some of which are designed to allow the user to selectively add resistance to their abdominal exercises. Other attachment accessories allow the user to perform various non-abdominal exercises using the apparatus. When the apparatus is not being used, it can be easily rolled up or laid flat for storage or transport with very little space or weight requirements.

Abstract: An exercise apparatus designed to specifically target the abdominal muscles is described along with a method of using the apparatus. The apparatus generally comprises four parts: a base; a seat frame attached to the base; an upper portion having a back support and handles; and a lower portion to retain the legs of a user. The apparatus allows a user to complete a typical “crunching” motion and a twisting motion encompassing both the upper torso and the lower body simultaneously. In other words the lower portion and the upper portion of the device are capable of movement about at least two distinct axes simultaneously.

Abstract: Some embodiments provide an abdominal training machine that uses an adapted reverse crunching motion to minimize stress to the knees, back, shoulders, and neck when training the abdominal muscles. The machine combines weight resistance training with a replicated natural motion of each leg to produce the adapted reverse crunching motion. The adapted reverse crunching motion is performed using a section of the lower part of the body closest to the abdominal muscles while the upper body or torso remains stationary. In some embodiments, the abdominal training machine includes a frame, a body support member, and two individually rotating resistance members. Each resistance member includes a weight assembly for providing a user adjustable amount of resistance.

Abstract: An abdominal exercise apparatus having a seat attached to a frame, a swing bar rotatably attached to the frame about a swing bar axis, a back rest rotatably attached to the swing bar about a back rest axis which is substantially perpendicular to the swing bar axis, and a handle bar rotatably attached to the swing bar about a handle bar axis which is substantially parallel to the back rest axis; and a method for performing an abdominal exercise includes sitting on the seat, laying one's back against the back rest and gripping the handle bar while twisting one's torso about one's hips to cause the swing bar to rotate relative to the frame about the swing bar axis and rotating the handle bar about the back rest axis to cause a rotation of the back rest about the back rest axis.

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 abdominal training device includes a stationary base with a user support surface and a hub connected to a track with a friction mitigation unit and a track anchor. A console is slidably mounted on the track and includes a hand support member and a console anchor. A bearing is fixedly mounted to the proximal end of the track and supports an elastic resistance element with one end attached to the track anchor and the other end attached to the console anchor. A beam rigidly connects the track to the hub of the stationary base so that the track is at least partially rotatable about the hub of the stationary base. The device may also include an electronic training program that directs a user to rotate the track to specified positions. The device may be part of an abdominal training kit.

Abstract: An exercise machine for providing a low impact workout that targets the core muscles. The exercise machine generally includes a lower frame adapted to rest upon a floor surface, an upper frame movably connected to the lower frame and movable between an upright in-use position and a folded compact position, an arced track supported in an inclined orientation by the upper frame, a pair of sway bars each pivotally connected adjacent an upper end of the upper frame, wherein the pair of sway bars are adapted for swinging movement along a length of the track and wherein the pair of sway bars move in unison, and a pair of knee retainers each movably connected to a respective sway bar, wherein the pair of knee retainers slidably and rotatably move independently of each other. Other components, such as handlebars, foot bars, seats, and elbow retainers are also utilized.

Abstract: A multi-function sit-up apparatus includes a frame, a seat and a back pad. The seat and the back pad are disposed on the frame. The back of the back pad is provided with a pair of arm pull devices. By the arm pull devices, the user sits on the seat and lies on the back pad with his/her hands to pull the pull handles to strengthen the abdominal muscles, arms and pectoral, providing a multi-function exercise effect.

Abstract: Disclosed is a mat for exercise. The mat comprises a main mat having a foot hanger for a sit-up at a top surface of one side thereof and a plurality of grooves at a bottom surface of both lateral sides thereof, a plurality of sub-mats coupled with the main mat in use, and a plurality of attachment plates installed at corners of a bottom surface of the main mat and corners of bottom surfaces of the sub-mats, wherein the main mat is provided with female fabric hook-and-loop fastener (e.g., Velcro) tapes mounted at the grooves thereof, and the sub-mat is provided with male fabric hook-and-loop fastener (e.g., Velcro) tapes that laterally protrude corresponding to the grooves of the main mat.

Abstract: Disclosed is a portable exercise device for enabling a user to perform sit-up exercises. Also disclosed is a portable exercise system that comprises the portable exercise device, and a mat for supporting a back portion of the user while performing the sit-up exercises. The portable exercise device comprises a base member having a pair of base portions foldably coupled to each other and a pair of pedal portions configured on the pair base portions, a pair of strap members coupled to the pair of pedal portions, a pair of support members removably coupled at end portions of the pair of pedal portions, and a counting unit movably mounted on the base member. The counting unit comprises a timer adapted to determine a period of the sit-up exercises, at least one pressure, and a counter operatively coupled to the at one pressure sensor to determine a number of the sit-up exercises.

Abstract: An exercise device for training abdominal muscles comprises a substantially flat lower side and an upper side opposite to the lower side. The upper side has a curved person-facing upper surface including a first sitting portion adjacent to a first back supporting portion having a steeper ascending inclination with respect to the lower side than the first sitting portion, as seen from the first sitting portion to the first back supporting portion, and at least a second sitting portion adjacent to a second back supporting portion having a steeper ascending inclination with respect to the lower side than the second sitting portion, as seen from the second sitting portion to the second back supporting portion. At least a part of the first sitting portion forms an edge portion of the device without having a further inclination or having an ascending inclination less steep than that of the first back supporting portion, as seen from the first back supporting portion to the first sitting portion.

Abstract: An apparatus for abdominal exercise comprises a pair of laterally spaced u-shaped support rails for rocking back and forth on a surface. A pair of arm rests are each connected to the inside u-shape portion of one of the support rails and extend rearwardly from the contact point to the surface to receive an elbow of a person disposed between said rails in a supine position. A first connecting portion connects the support rails above the contact point to the surface. A second connecting portion connects the support rails behind the contact point to the surface. A plunger is connected to said first connecting portion whereby a person disposed supinely on said support surface and between said support rails and with one of the hands or arms of the person engaging said first connecting portion is able to conduct a curling exercise to exercise the abdominal muscles of the person while rocking said device, and wherein said plunger is positioned to engage a user's abdomen to provide a kinetic and isometric force.

Abstract: An exercise chair for an exercise system. The exercise system is of a type that utilizes an exercise resistance cable apparatus of a type that includes an exercise resistance cable having a first end being connectable to an exercise chair, and; a handgrip connected to a second end of the exercise resistance cable.

Abstract: An apparatus for abdominal exercise comprises a pair of laterally spaced u-shaped support rails for rocking back and forth on a surface. A pair of arm rests are each connected to the inside u-shape portion of one of the support rails and extend rearwardly from the contact point to the surface to receive an elbow of a person disposed between said rails in a supine position. A first connecting portion connects the support rails above the contact point to the surface. A second connecting portion connects the support rails behind the contact point to the surface. A plunger is connected to said first connecting portion whereby a person disposed supinely on said support surface and between said support rails and with one of the hands or arms of the person engaging said first connecting portion is able to conduct a curling exercise to exercise the abdominal muscles of the person while rocking said device, and wherein said plunger is positioned to engage a user's abdomen to provide a kinetic and isometric force.

Abstract: The invention provides an exercise device (10) comprising an elongate member (20) and an engagement member (30) having an engagement region (40), the engagement member defining an aperture (35) therethrough, the elongate member extending through the aperture, such that when the engagement region is under substantially no load, the engagement member is slideable along the elongate member and when the engagement region is placed under load, the engagement member is substantially non-slideable along the elongate member. Also provided is a method of pelvic realignment involving use of said exercise device.

Abstract: The present invention provides for exercise apparatus comprising a backrest pivotally coupled in a region of a first end to a support frame and resiliently biased to extend in an at least partially upward direction therefrom, a legrest pivotally coupled in a region of a first end to the said support frame and resiliently biased to extend in an at least partially upward direction the said support being arranged for stable location of the apparatus on a floor, and the apparatus further being arranged to present a seat portion for a user in the region of the said first ends of the backrest and the legrest and so that, when sat on the apparatus, a user can exercise their legs and/or abdomen as required.

Abstract: The present invention provides, in at least one embodiment, an exercise device to satisfy the desire people have to achieve lean, sculpted abdominal muscles (“abs”). The device comprises a frame 110, a removable pneumatic exercise ball, and a plurality of exercise straps that allow for a series of specific limited and controlled bilateral movements. The user may position their body on the ball by sitting, leaning or laying on the ball (either on their back, stomach, or side) to perform a variety of exercises.