Abstract: A method and apparatus for exercising the subtalar complex with controlled triplaner motion. The principal embodiment includes a standing platform and handrail in association with a rotatable foot plate. The foot plate is controllable and adjustable in three planes with fixed settings in all planes, including the oblique. The exerciser provides a method for isolating specific muscle groups involved with foot, ankle and calf extensions or where combinations of muscles are used, such as, with dorsiflexion-eversion or plantarflexion-inversion, while preventing tibial rotation of the foot. A second embodiment provides a more portable exercise apparatus utilizing the concepts employed with the principal embodiment wherein a rocker member is provided, attached to a support member. A foot plate attaches to the support member opposite the rocker and is pivotal in the transverse and frontal planes.

Abstract: A rotary torso comprises: a frame with a base, several supporting columns vertically installed on the base, a U shape railing installed a little bit above the supporting columns, and a U shape handle installed at the top of the supporting columns; a hollow box shape rotating arm, with one rotatable end pivot installed by a shaft bearing at the central bottom of a fixed shaft; a rotating plate, with a rotatable central hub, supported at the rotating shaft at the free end of the rotating arm; and a driving structure installed inside the hollow part of the rotating arm.

Abstract: A step exercising machine including a pivotable mounting rack turned around an axial tube on an arched bar of a base frame and a transverse retaining rod disposed on the arched bar, two transverse mounting shafts bilaterally disposed to the pivotable rack, two pedals respectively turned about two opposite ends of a first mounting shaft and supported on a respective hydraulic cylinder and respectively pushed against the retaining rod by a respective downward driving rod, wherein the pivotable rack is turned around the axial tube of the arched bar forwards and backwards alternatively when the pedals are alternatively moved up and down, causing the pedals to oscillate leftwards and rightwards alternatively.

Abstract: A leg exerciser includes two turning disks removable united with the base plate and supplied with adjustable resistance elements, electronic module to measure weight distribution, and stabilizing elements. The base plate furnishes a plurality of horizontal, vertical, and angular positions of each disk providing symmetrical weight bearing of the user imparting rotary movements of each leg independently against resistance.

Abstract: An exercise machine providing selectively variable rhythmic audible accompaniment for torso twisting and arm thrusting motions. The machine has three rotatably mounted foot platforms and two upwardly projecting, pivotable hand levers. Two of the three foot platforms are located proximate to and equidistant from the hand levers and the remaining foot platform is located distally from the hand levers. The hand levers are adjustable as to resistance to pivoting, and alternatively may be fixed in place if arm motions are not desired. A music synthesizer controls tempo of exercises. Tempo, beat, volume, and other characteristics of the music may be controlled by the user. A microprocessor sums the number and frequency of body motions and calculates energy expended while exercising. This information is transmitted to a display visible to the user.

Abstract: An exercise apparatus including a platform for a user to stand or sit upon, mounted on a body formed of two wedge-shaped parts which are turned relative to each other so that the platform is inclined relative to a base. The platform is coupled to the top of the body via a first bearing, and the body is coupled to the base by a second bearing: the platform is prevented from rotating relative to the base by a gimbal arrangement. A motor coupled to a shaft rotates the body so that the direction of tilt of the platform sweeps around in a corresponding circular manner.

Abstract: A balancing apparatus emulating the acrobatics associated with skate boards etc. having a elongated platform, one or more hemispherical, pivotal fulcrums, rotational with respect to a elongated platform, and a foot plate, attached to the fulcrum member. A single fulcrum may be used in conjunction with a truncated, conical, stationary member for encouraging parallel orientation of the platform. A detachable, restricting ring is also provided for reducing the angulation of the platform with the supporting surface during use. The user stands on one foot plate and attempts to maintain balance on the fulcrum member while manipulating the platform with the other foot, at the opposite end of the apparatus, which may also contain a fulcrum member or a stationary truncated, conical member.

Abstract: An exerciser includes a pivot shaft disposed in a base. A lever has one end rotatably secured to the pivot shaft for allowing the lever to be rotated about the pivot shaft. The lever has a pivot axle disposed to the other end. A foot support is rotatably secured to the pivot axle for allowing the foot support to be rotated about the pivot axle. The foot support includes a block secured to the pivot axle and a cover rotatably supported on the block by a number of balls such that the cover is rotatable about the block.

Abstract: A step exercising machine including a base frame having an upright support, a T-shaped steering rod mounted in the upright support, a first steering gear mounted on the upright support around the vertical rod section of the T-shaped steering rod, two pedals respectively turned about the two opposite ends of the T-shaped steering rod, a second steering gear and a third steering gear respectively mounted around the two opposite ends of the transverse top of T-shaped steering rod and meshed with the first steering gear at two opposite sides, a locating rod transversely coupled to the T-shaped steering rod at the bottom, and two hydraulic cylinders respectively coupled between the pedals and the two opposite ends of the locating rod, wherein the second steering gear and the third steering gear are alternatively turned relative to the first steering gear when the pedals are alternatively stepped up and down, thereby causing the pedals to oscillate leftwards and rightwards alternatively.

Abstract: An improved twister includes a base frame, a rocker, a hydraulic cylinder, a link and a rotatable disk. The base frame is provided with a pivot seat and two upright bars, the pivot seat being pivotally mounted on the rotatable disk and the upright bars being pivotally connected to the rocker. The rocker is connected to a grip link at a top end and two substantially C-shaped frame at a bottom side. The hydraulic cylinder is pivotally mounted on the base frame and has a shaft with a pivot head pivotally connected to one of the C-shaped frames. The link has one end pivotally connected to the other of the C-shaped frames and the other end coupled to a pivot shaft of the rotatable disk. To operate, the user stands on the rotatable disk with both hands holding the grip link and pulling the rocker so as to cause the link to rotate the rotatable disk. Working in conjunction with the hydraulic cylinder which provides a damping force, the twister permits the user to exercise various parts of the body.

Abstract: A body twist exerciser, including a base, a guardrail mounted on the base, a rotatable hollow box-type rotating arm having one end pivoted to a fixed shaft in the center of the base, and a rotary disc rotatably supported by the center part thereof on the free end shaft of the rotating arm. A transmission mechanism is located in the hollow interior of the rotating arm. The transmission mechanism includes a drive sprocket fixed to the free end shaft of the rotating arm and located below the rotary disc. A driven sprocket is spaced-apart from and mounted side by side with this drive sprocket on a revolving shaft approximating the base end inside the rotating arm. A loop-like transmission chain is wound between the drive and driven sprockets and a transmission gear is mounted on the revolving shaft below the driven sprocket. An intermediate gear is rotatably disposed on an intermediate shaft between the fixed shaft and the revolving shaft to be engaged with the transmission gear.

Abstract: A balancing apparatus emulating the acrobatics associated with skate boards etc. having a rectangular platform, one or more hemispherical, pivotal fulcrums, rotational with respect to a rectangular platform, and a foot plate, attached to the fulcrum member. A single fulcrum may be used in conjunction with a truncated, conical, stationary member for encouraging parallel orientation of the platform. A detachable, restricting ring is also provided for reducing the angulation of the platform with the supporting surface during use. The user stands on one foot plate and attempts to maintain balance on the fulcrum member while manipulating the platform with the other foot, at the opposite end of the apparatus, which may also contain a fulcrum member or a stationary, conical member.

Abstract: A boxing and martial arts training device including a punching bag and a rotatable foot platform. The foot platform includes a treadmill. Rotation of the foot platform and operation of the treadmill are independently controlled from a hand held switch wired to motors located below the foot platform. The punching bag is supported on a frustoconical backboard. Height of the punching bag and its proximity to the center of the foot platform are manually adjustable. The training device simultaneously promotes strength, balance, coordination, and physical conditioning.

Abstract: An exercising apparatus including an elongated base supported on two stands and having two foot plates with bottom pulleys at two opposite ends. Each stand consists of a top section fixed to the base, a fiat bottom section rotatable about a bolt affixed to the top section, and a plurality of bearings supported between the top section and the bottom section. The apparatus moves when the user twists his body thereon.

Abstract: A stepping machine including a base frame having an upright stub tube and an upright shaft, the upright stub tube having two horizontal axles and two connecting plates respectively turned about the horizontal axles, an upright post revolvably mounted on the upright stub tube and having a transverse handlebar at the top, a pedal support revolvably mounted on the upright shaft and coupled to the upright support in a parallel relation, two pedals respectively turned about a respective horizontal axle on the pedal support, and two hydraulic cylinders bilaterally connected between the pedal support and the free ends of the pedals, each pedal having a downward rod at the fixed end and coupled to one connecting plate.

Abstract: A combination twister and stepper device includes a stepper unit and a twister unit in combination with a common frame. The stepper unit has a pair of side by side steps, each of which is biased upwardly. The twister includes a turntable or disk on a pivotal mount. The stepper and twister are secured to a frame which includes a pair of pivotal poles. The stepper and twister may be used simultaneously while also using the poles or the stepper and twister may be selectively inactivated so that only one of the units could be used.

Abstract: The Roc-A-Way.TM. personal exercise device is designed for use by a single person to improve his or her balance and sense of well being. It consists of a solid elongated member having at each of its ends a horizontal upwardly facing flat rectangular foot platform. The two spaced apart foot platforms are connected by an elongated downwardly curved center portion of the device whose downwardly facing lower surface touches the floor in a horizontal plane substantially lower than the plane of the two foot platforms. A smoothly rounded pivot point on the lower surface of the device is located near each end of the device directly beneath one of the upwardly facing foot platforms.

Abstract: A twister exercise device includes a support assembly having a support bar which would be mounted on the frame of a main exercise device, such as a treadmill frame. A hollow adjusting bar is exposed parallel to the support bar. A twister disc is rotatably mounted across the support bar and adjusting bar. A hook shaped locking member is telescoped into each end of the adjusting bar for being hooked over frames of various widths.

Abstract: An exerciser includes a lower stationary support frame having an upright shaft fixed thereto. A stepper mechanism includes a base body mounted rotatably on the shaft and having a front portion and a rear portion, a pair of spaced pedal arms, each of which having a front end pivoted to the front portion and a rear end portion extending from the front end toward the rear portion, and a pair of resistance cylinders, each of which interconnecting the rear end portion of a respective one of pedal arms and the base body. A horizontal plate member is mounted to the shaft above the base body and has two opposite spaced rear portions on two sides of the shaft. A locking unit is provided to lock releasably the plate member on the shaft so as to prevent movement of the plate member relative to the stationary support frame.

Abstract: An exercise apparatus wherein a supporting base carries a rotatable platform oscillated by a drive from a hand held support that stabilizes the person exercising, characterized by an upstanding fence on the platform and over which the person jumps from side to side, the degree of rotation being variably controlled by the person.

Abstract: An exercising apparatus including a folding frame having two rectangular frames pivoted in the middle, a rotary seat hinged to one rectangular frame, and two elastic ropes having each one end respectively fastened to the folding frame at the bottom and an opposite end coupled with a respective handle, and wherein the folding frame can be alternatively set into the operative position to support the rotary seat for permitting the player to sit on the rotary seat and pull the handles, or the collapsed position closely attached to the rotary seat at the bottom for permitting the player to stand on the rotary seat and pull the handles.

Abstract: A combination treadmill/twister exercise device comprises a treadmill having a base frame and a pair of spaced shafts with an endless belt rotatably mounted over the shafts. The twister unit comprises a support frame having a rotatable platform mounted to the support frame. The twister unit is selectively in an operative location and in a storage location. The support frame is mounted to the base frame to dispose the rotatable platform above the endless belt when the twister unit is in the operative location.

Abstract: A rotary weighted exercising device having a base, and a rotary plate mounted on the base with upright guides for one's foot to rest therebetween. A weighted member is disposed on said base movable from a first position adjacent to the base to a second position extending away from the base. An elongated member is coupled at one end to the rotary plate and at the other end to the weighted member, the elongated member being guided between the rotary plate and the weighted member so that rotation of said rotary plate raises said weighted member.

Abstract: An improved twist disc structure having a base disc with an axle in the center thereof for pivotally fitted thereon a movable disc, the upper surface of the base disc being provided with a plurality of undulating tracks. The movable disc has multiple through holes provided therein, and each through hole accommodates a lifting element. The base of these through holes are supported on the tracks. When the movable disc rotates on the base disc, the lifting elements move up and down in the corresponding through holes to massage the points on the soles of the user.

Abstract: An improved exercise device is provided which consists of a hand engaging member, a base for supporting the hand engaging member on an underlying surface and a mechanism for rotating the hand engaging member about a vertical axis relative to the base, so that a user can develop a forearm/arm and upper body, while doing push-ups, so as to better execute karate punches and other sport motions of a like nature.

Abstract: The present invention provides an exercise apparatus 100 having a turntable 120 rotatably mounted proximate one end of a base 110, and right and left poles 130 and 140 pivotally mounted proximate an opposite end of the base 110. A person stands on the turntable 120, swivels the hips to rotate the turntable 120, and reciprocally pushes and pulls the poles 130 and 140 against resistance provided by an adjustable resistance mechanism 150.

Abstract: In a preferred embodiment, an apparatus to assist in building stomach muscles by a user performing situps with the apparatus, the apparatus comprising first and second anchoring devices disposed on a horizontal surface, devices to position the first and second anchoring devices spaced apart a selected distance, and attaching devices to releasably attach first and second feet of a user to surfaces of the first and second anchoring devices, respectively, to hold the first and second feet of the user relatively immobile so as to assist the user in performing situps.

Abstract: A gymnastic apparatus comprised of a rectangular base having a recessed seat, a rotating table fastened to the recessed seat for twisting the body and alternatively retained between a fixed position and a rotating position, an ergonomically engineered head rest fastened to the base at one end and adjusted to the desired angular position, collapsible stands fastened to the base at the four corners thereof by stand holders and alternatively locked between the operative vertical position and the non-operative horizontal position, and two ski poles fastened to two cross tubes at one end of the base by clamping devices and locknut devices and fixed in position according to the desired pitch between the ski poles.

Abstract: A combination twister and stepper device includes a stepper unit and a twister unit in combination with a common frame. The stepper unit has a pair of side by side steps, each of which is biased upwardly. The twister includes a turntable or disk on a pivotal mount. The stepper and twister are secured to a frame which includes a pair of pivotal poles. The stepper and twister may be used simultaneously while also using the poles or the stepper and twister may be selectively inactivated so that only one of the units is used.

Abstract: A fitness accessory includes a seat, a rotary table retained to the seat by a base plate, and a ball bearing retained between the seat and the rotary table, and a back plate detachable fastened to one side of the seat by dovetail joints. The seat has a pair of opposing hand grips when the appliance is used for push ups or sit ups. The rotary table has external raised portions for rubbing and kneading the feet when as the appliance is turned upside-down on the ground and stepped on. Elastic cords may be fastened to the base plate by plug members for pulling exercises.

Abstract: An exercise apparatus for simulating stair climbing, stair hopping and downhill skiing is disclosed. The apparatus includes a base with a vertical support extending upwardly therefrom and a handrail supported by the vertical support. Two foot pedals are pivotally connected to the vertical support. Each foot pedal has a roller chain connected at one end to the foot pedal. A spring is connected between the other end of each roller chain and the foot pedal at a position spaced from the point of connection of the roller chain. The two roller chains are looped over drive chain sprockets which are rotatably mounted by clutch bearings on a shaft in spaced apart relation. The drive shaft extends through and is rigidly secured to a friction drum. A chord is looped around the drum between a spring bias and a length adjustable rod thereby forming a variable resistance mechanism. Depressing the foot pedals results in the clutch bearings engaging the shaft thereby rotating the friction drum.

Abstract: An apparatus for exercising and/or toning the muscles of the waist, hips and thighs of a user, comprises an e.g. circular support (1) for the user to sit upon, the support (1) resting at its center on a mount (2) which enables the support to tilt in selected radial directions relative to a vertical axis. The support (1) may be arranged so that its periphery rests on a base (3) and the point of contact between the support (1) and a base (3) moves in a circle around the base as the user causes the direction of tilt to progress around in a circle by a circular movement of the hips. In a modified apparatus a drive means is provided to cause the direction of tilt of the support to progress around in a circle.

Abstract: A device for exercising internal and external muscles of the leg is provided. The device includes a foot holder for pivotally supporting a user's foot. The foot holder is capable of pivoting around an axis which is substantially perpendicular to the foot, and near the front of the user's leg. The device also includes a tension control unit for providing constant resistance to pivoting of the foot holder. The device preferably has separate foot holders and hydraulic tension control units for each foot.

Abstract: The hula chair includes an upper base (23) and an intermediate base (21). The bases (21 and 23) are linked together by the specially designed oversized universal joint which is combined by two components: the ring (16) and the plate/spacer (17). The plate/spacer (17) is connected to the upper base (23). The ring (16) is connected to the intermediate base (21) by the stud (19). The upper base (23), can swivel-rock individually from the intermediate base (21), because of a universal joint (16, 17, 19). Two sets of three cams (10a, 10b, 10c and 20a, 20b, 20c) are placed under the plate-spacer (17) and on the intermediate base (21). A block (6), which is positioned at the center of the intermediate base (21), can slide inside a slot (7). The crankshaft (9) goes through the block (6) and the intermediate base (21 ). Three arms (11a, 11b, 11c), can vertically slide on the top end of the crankshaft (9).