Abstract: An exercise apparatus comprises: a frame having a base portion and having first and second right support elements and first and second left support elements; a crank system comprising first and second crank coupling locations, the crank system being supported by the frame; a right foot support member; a left foot support member; a right guide element coupled to the right foot support member and; a left guide element coupled to the left foot support member; a first flexible support system comprising a first flexible element, the first flexible element coupled to the first and second right support elements and the right guide element and coupled to the first crank coupling location; and a second flexible support system comprising a second flexible element, the second flexible element coupled to the first and second left support elements and the left guide element and coupled to the second crank coupling location, wherein alternating motion of the right and left foot support members causes the first and second c

Abstract: A stair climbing device, adapted for a wheel chair, including at least one climbing element which is adapted to be moved on a circular path so that it can get in contact with the next step of a stair and lift or lower the stair climbing device on the next step. The stair climbing device includes a drive motor for providing a driving force for moving the at least one climbing element on the circular path, wherein the movement of the at least one climbing element on the circular path is carried out with a non-constant rotational speed. A gear transmission assembly is provided between the drive motor and the at least one climbing element which gear transmission assembly is adapted to cyclically vary the rotational speed of the at least one climbing element with respect to the rotational speed of the drive motor.

Abstract: An elliptical exercise machine with adjustable foot motion is provided. The elliptical exercise machine, which is adjustable to yield different elliptical paths selectable by a user, comprises a frame, a drive assembly situated on the frame, first and second link arms, the first end of each link arm being rotatably connected to the drive assembly, first and second reciprocating foot supports, the first end of each foot support being pivotally interconnected to the frame, and first and second brackets, wherein the first bracket adjustably connects the first link arm to the first foot support, and wherein the second bracket adjustably connects the second link arm to the second foot support.

Abstract: A pace-adjusting mechanism of an elliptical cross trainer having an electric adjusting motor installed at the bottom of a flywheel transmission unit for driving a telescopic tube in displacement. Meanwhile, a w-shaped driven connecting rod and two L-shaped connecting elements are employed to adjust the vertical position of two treadle planks, thereby achieving different exercise paces.

Abstract: An elliptical machine has a frame and an operating linkage between the frame and foot supports. Each side of the operating linkage comprises five links that are connected with five pin joints. A foot support is connected to each side of the operating linkage with each of the five pin joints being positioned forward of the foot support.

Abstract: An exercise apparatus includes a frame configured to rest on a floor surface; left and right cranks rotatably mounted on the frame; left and right drive links having forward ends rotatably coupled to respective cranks, and rearward ends constrained to move in reciprocal fashion relative to the frame; left and right rocker links rotatably mounted on the frame at a common pivot axis; left and right drawbar links rotatably interconnected between respective rocker links and respective drive links; and left and right foot links having forward ends rotatably coupled to respective rocker links, and rearward, foot supporting ends constrained to move in reciprocal fashion relative to respective drawbar links or respective drive links. The resulting linkage assemblies constrain the foot supporting ends to move through elliptical paths, and the paths may be altered by adjusting various components of the linkage assemblies relative to one another and/or the frame.

Abstract: A pedal adjustable device includes a case fixed to an end of a link and a first member and a second member are connected between two sidewalls of the case respectively. The first part includes a polygonal hole and the second part includes a circular hole. The polygonal hole is larger than the circular hole. A support plate has one end pivotably connected to the case and an extension extends from an underside of the other end of the support plate. A pedal is fixed on the support plate. The extension includes an elongate hole and a plurality pairs of protrusions extend from two insides of the elongate hole to define a space between each pair of the protrusion. An operation member includes a polygonal section and a circular rod. The polygonal section is engaged with the polygonal hole and set on one of pairs of the protrusions.

Abstract: An elliptical exercise machine features a pair of translating members to which a pair of foot members is axially secured. The foot members each pivots with respect to the associated translating member. The generated motion allows a user to lock a knee before beginning downward movement and allows a user to bend the same knee before beginning forward movement such that the motion is more natural for the user.

Abstract: Disclosed herein is a portable apparatus for training a user in in increasing levels of skill, control and maneuverability of a board for a board sport. The portable apparatus comprises a foot placement mat and a support unit. The foot placement mat comprises multiple placement zones for indicating a first location for positioning a support unit and second locations for placing the user's feet. The support unit comprises laterally opposite support members and hand placement platforms. Each of the laterally opposite support members comprises an elongated section and a lower protruding section. The hand placement platforms are detachably attached to the elongated section or the lower protruding section of the laterally opposite support members for enabling placement of the user's hands in an elevated position or a lower position respectively.

Abstract: Disclosed is an exercise machine, and particularly a front or rear mount elliptical or elliptical-type machine, comprising: (a) a support structure; (b) a drive component pivotally coupled to the support structure and configured to rotate about a first pivot axis; (c) a reciprocating foot support configured to travel about a closed path having a stride length upon rotation of the drive component; (d) a coupling configuration configured to support the reciprocating foot support about the drive component at a position radially offset from the first pivot axis, the coupling configuration pivotally coupled to the drive component about a second pivot axis; and (e) an adjustment mechanism configured to enable the coupling configuration to pivot about the second pivot axis between at least two adjustment positions to vary the radial offset of the reciprocating foot support with respect to the first pivot axis.

Abstract: An exercise apparatus has a linkage assembly which links rotation of a crank to generally elliptical movement of a force receiving member. The linkage assembly includes a flexible drawbar interconnected between the crank and frame of the exercise apparatus.

Abstract: A non-impact exercise device comprising a framework, at least one ramp assembly, a pair of foot support assemblies, a foot location control assembly, and means for adjusting the maximum stride length of the foot support assemblies. The foot support assemblies may advantageously be coupled to the foot location control assembly by a flexible cable linkage. The foot support assemblies each include a foot platform for the user to stand on. The foot support assemblies are coupled to the one or more ramp assemblies of the exercise device. The user exercises by putting force into the device through the foot platforms and/or handles. This causes the foot platforms to roll along the ramps while the user is standing upon the foot platforms. The user may readily vary the length and frequency of the reciprocating stride.

Abstract: An air step board for health is disclosed. The step board has an upper plate on the upper surface of a board frame, and a shock absorbing leg on a corner of an underside of the board frame. The board frame is formed using a synthetic resin material through injection molding such that a seating part is provided on the upper surface of the board frame, and a reinforcing rib is provided in the seating part to reduce a weight of the board frame and impart sufficient strength. A handle is provided on at least one side of the board frame. In this invention, the board frame having the reinforcing rib is manufactured through injection molding, thus enhancing the durability of the board frame, permitting mass production, and ensuring easy workability, and a reinforcing plate is provided between the reinforcing ribs and the upper plate, thus reliably withstanding shocks.

Abstract: A stationary exercise device having variable footpaths is disclosed. The exercise device includes a frame, a pair of supporting members that have a first end to rotate about an axis and a second end to move along a reciprocating path, a pair of pedals joined to the supporting members, and a guider assembly for adjusting an incline angle of the reciprocating path.

Abstract: In an inertia load mechanism of a reciprocating exercise equipment, a pendulum load mechanism is installed to an exercise link rod of a reciprocating exercise equipment, such that the pendulum load mechanism forms an inertia link and gives an exercise resistance. If the moving link rod of the reciprocating exercise equipment is at a moment of changing its exercise direction, the speed of changing direction of the pendulum load mechanism will be slowed down by the gravitational force, so that an exerciser's muscle has sufficient response time for the change of the exercise direction to eliminate a possible sport injury.

Abstract: An exercise apparatus to simulate climbing is described that includes such features as arm handles that move in synchronism with the motion of foot pedals to provide a total body workout; side handrails; a mounting step; linear foot movement at a simulated climbing angle; a three point support structure using a vertical support column; pedal track covers; a mechanism to provide constant resistance to pedal motion; and pedal impact absorption.

Abstract: An auxiliary structure to improve efficacy of a fitness equipment includes a pair of swing bars pivoted to a pair of traction bars wherein in turn pivoted to a crank; the crank drives a sprocket and a resistance control wheel for both swing bars to drive both traction bars to travel up, down, back and forth; each pedal is disposed with a roller to travel in a slide attached to the traction bar and is pivoted to a pull-and-push connection bar, which in turn is pivoted to a transmission connection bar; each transmission connection bar is pivoted to a support; each mid section of the transmission connection bar is pivoted to an active connection bar, which in turn is pivoted to the swing bar; and each pedal is dragged by the push-and-pull connection bar driven by the transmission connection bar when both swing bars alternatively swing to drive the transmission connecting bar to increase longitudinal travel ranges of both pedals for providing adequate exercise amount for waist and legs of a user to improve exerci

Abstract: The present invention relates to a core exercise apparatus that combines lower arm movements with knee movements to exercise the core muscles of an operator in a cyclic manner. More particularly, the present invention is associated with an exercise apparatus having a separately supported knee platform for a portion of an operator coordinated with the motion of a lower arm platform. Further, the knees of the operator follow an elliptical curve path in concert with the up and down movements of the lower arm platform to drive a flywheel for cardio core exercise of the abdominal, lower and upper back muscles. The obliques may also be exercised by a reposition of the lower legs on the knee platform.

Abstract: An elliptical trainer has a base, a flywheel, two four-bar linkages and two handles. The base has a bottom frame and a support mounted on the bottom frame. The four-bar linkages are mounted pivotally on the support and each four-bar linkage has a front link, a rear link, an upper coupler and a lower link. The handle assemblies are mounted pivotally on the support and pivotally connected respectively to the four-bar linkages. Because the four-bar linkages and the handle assemblies are structured compact and simple, fabrication, carrying and maintenance of the elliptical trainer are convenient.

Abstract: Exercise apparatus (11) has a platform (12) divided into a back-rest element (18) and a seat portion (19). The back-rest element (18) is pivotably mounted in the platform (12) about a pivot point (21). The platform (12) has legs (13, 14) at each end thereof, each said leg (13, 14) having an upper part (22) and a lower part (23) pivotably connected thereto about a further pivot point (25). By varying the position of the back-rest element (18) relative to the platform (12), and the position of the lower leg portions (23) relative to the upper leg portions (22), the exercise apparatus (11) can be made to assume each of a range of configurations comprising bench, step, intermediate incline, high and low seated incline and chair configurations.

Abstract: The leg exercise device of the present invention is provided a base assembly for supporting an adjustable handle assembly and a footplate support assembly. The handle assembly has a pair of tubular support members secured at a lower end adjacent the center of the base assembly at an angle between 45 degrees and 90 degrees. The handle assembly also includes a U-shaped handle bar having a pair of arms that are telescopically received within the tubular support members, and locking for adjustably securing the handle bar to the tubular support members. A footplate support assembly is secured to the tubular support members for rotatably supporting two footplates for independent pivotal movement on an axis above the center of the base assembly.

Abstract: An elliptical exercise apparatus includes a body having a base frame and two supporting frames uprighted at two opposite sides of the base frame; a pair of lead swing arms each having an upper end pivotally coupled with the corresponding supporting frame wherein a sliding treadle assembly having a lower end provided with a treadle portion is axially slidably attached to the lead swing arm; a pair of subsidiary swing arms each having one end pivotally coupled with the base frame wherein a subsidiary sliding sleeve pivotally coupled with the sliding treadle assembly via a pivot is axially slidably attached to the subsidiary swing arm; and a rotational shaft transversely and pivotally coupled with the base frame, wherein at each of two ends of the rotational shaft, a vertical rotational link has one end coupled with the rotational shaft and an opposite end pivotally coupled with the sliding sleeve.

Abstract: An exercise device including a first monoarm treadle assembly supporting a first tread belt and a second monoarm treadle assembly supporting a second belt. The tread belt is supported on a tread deck between a front roller on each treadle assembly, and a rear roller, which may be a distinct rear roller on each treadle assembly or a single rear roller for both treadle assemblies. The monoarm structure of each treadle assembly supports a plurality of deck supports in a cantilever fashion. The treadmill deck and the belt are supported on the deck supports. Further, the treadles are coupled with one or more hydraulic resistance structures, which may also function as an interconnect structure to coordinate pivotal movement of the treadle assemblies.

Abstract: An exercise device upon which a user generally standing upright supported by foot platforms suspended from a frame via linkages in which the linkage lengths and pivot points correspond generally to the users upper and lower legs and hip and knee joints. This device not only allows natural free and spontaneous leg movement, able to simulate such exercises as walking, jogging, running, stepping, skiing or gliding, bicycling, climbing, reverse action and various isolated leg exercises, where the exercises can be performed at random generally without the need to reconfigure the device. This device preferably includes an isolation system capable of simulating natural forces throughout the entire range of movement in the horizontal and/or vertical plane. A safety/suspension system can be provided, alone or in combination with the isolation system, to resist sudden foot movement in the same direction, yet allows a slow and controlled tilting of the linkages whereby the user may simulate uphill and downhill travel.

Abstract: An exercise apparatus comprises: a frame; a crank system comprising first and second crank coupling locations, the crank system being supported by the frame; a right foot support member comprising a first right guide element; a left foot support member comprising a first left guide element; a right movable member comprising a second right guide element; a left movable member comprising a second left guide element; a first flexible support system comprising a first flexible element, the first flexible element coupled to the frame and the first and second right guide elements and operative to move the first crank coupling location when the right foot support member moves; and a second flexible support system comprising a second flexible element, the second flexible element coupled to the frame and the first and second left guide elements and operative to move the second crank coupling location when the left foot support member moves.

Abstract: A treadmill includes a base, two axle units, two pedal units and a coordinating unit. The base includes a post formed thereon. Each of the axle units includes an axle extended downwards from the post. Each of the pedal units includes a pedal pivotally connected to the axle of a related one of the axle units. The coordinating unit includes a pulley provided on the base and a rope wound round the pulley and formed with two ends each tied to a related one of the pedal units so that one of the pedal units is moved upwards and outwards while the other pedal unit is moved downwards and inwards.

Abstract: An exercise apparatus for simulating stepping or skiing motions includes a support frame, a wheel set, two link rod devices, two slide boards and two pedals. The wheel set is mounted onto the support frame. The two link rods are installed on corresponding sides of the support frame, such that the link rods can be driven by the wheel set. The two slide boards are installed on corresponding sides of the support frame. A hanging hook of each slide board is latched onto the erect stand. At least one roller is installed at bottom of the slide board to slide the slide board on the bottom frame. A pin is provided for securing the two slide boards onto the two second link rods. Users can switch the orbit of the pedals by changing the fixing position of the slide boards to select a stepping or skiing exercise.

Abstract: Provided are a gait trainer which provides exercise prescription and an exercise prescription system using the gait trainer. The gait trainer comprises a display, pedals on which user's feet are placed, a control unit which receives physical information about the physical condition of the user while the pedals are moving, defines an optimal exercise prescription based on the physical information, and provides the defined exercise prescription to the display. The control unit accesses a server belonging to a health-related organization through a predetermined network, and defines the exercise prescription with the aid of the health expertise received from the server. Since the exercise prescription suitable for the user is provided, exercise efficiency is maximized and possible dangerous health situations can be prevented.

Abstract: The present invention relates to a stationary exercise apparatus having an adjustable assembly connected to the frame for changing the position of the console or the handles. The stationary exercise apparatus comprises a frame, an adjustable assembly which has part of the frame, a moving member pivoted to the frame, a guiding mechanism interconnected the moving member and the frame, and an upright post mounted on the guiding mechanism, a crank unit mounted on the moving member, left and right supporting members respectively connected to the crank unit, left and right swing members respectively connected to the left and right supporting members, and left and right pedals respectively coupled to the left and right supporting members.

Abstract: An elliptical exercise machine includes a frame pivotally attached to a base, a pivotal coupling device pivotally coupling the base and the frame together, a retractable device having an outer tube pivotally coupled to the base, and an inner shaft slidably engaged in the outer tube and pivotally coupled to the pivotal coupling device for allowing the inner shaft to be moved into the outer tube or to be moved out of the outer tube when the frame is pivoted to the base, and a latching device for latching the inner shaft to the outer tube at any selected position and for allowing the elliptical exercise machine to be easily adjusted to different moving strokes and to be easily operated by the user.

Abstract: An exercise device providing a fore and aft horizontal component of striding motion that is dynamically user-defined, while providing a vertical component of the motion that is maintained on a predetermined vertically reciprocating path in some embodiments. The exercise device guides the user's foot in a pseudo-elliptical stride path, while providing a dynamically variable stride length that allows the user to move with a natural stride length. The exercise device allows tall and short users to extend or curtail the stride length to match their natural stride lengths. The length of the reciprocating path is dynamically adjusted during the exercise operation without equipment adjustments by changes in the length of the stride input by the user at a pair of foot engagement pads disposed on laterally spaced apart foot support members.

Abstract: An exercise apparatus is disclosed herein, including a frame, a rotating assembly, two supporting rods, two swing arms, two links, and two pedals. The front ends of the supporting rods are connected respectively to two pivotal ends of the rotating assembly, and the rear end of each supporting rods moves back and forth along a corresponding track. The front ends of the links are connected respectively at two swing ends of the swing arms. Each pedal has a step surface and is coupled to the rear portion of the corresponding link. The distance between the bottom of a circular path of the pivotal ends and the tracks is smaller than 10 cm. The length of the supporting rod is smaller than two times diameter of the circular path. The longitudinal horizontal distance between the front edge of the closed path and the rear edge of the circular path is smaller than 20 cm. The rear ends of the supporting rods are located between the front ends and rear ends of the pedals.

Abstract: An exercising apparatus which enables a user to perform stepping exercises and waist twisting exercises simultaneously. The apparatus is provided with an electric motor without an increase in its size and cost, and this enables the user to perform effective exercises. The exercising apparatus (1) has left and right footboards (2L, 2R); an oscillation mechanism (10) for making the left and right footboards (2L, 2R) oscillate vertically about an oscillating spindle (27) provided on the front side of the left and right footboards (2L, 2R); a swing mechanism (11) for making the left and right footboards (2L, 2R) swing in a reciprocating fashion in the left-right direction with the boards (2L, 2R) maintained adjacent to each other, the boards (2L, 2R) swinging about a swing spindle (15) having a vertical axis; and an electric motor (12) for driving the oscillating mechanism (10) and the swing mechanism (11) simultaneously.

Abstract: An exercise device as a member configured to be driven by one or more feet, a roller rotationally coupled to the first member and a first projection extending away from the first roller.

Abstract: Exercise apparatus is provided with a coupled mechanism providing coupled natural biomechanical three dimensional human motion.

Abstract: A pedal exercise machine with pedals and arm levers operated in conjunction with each other. A base, a front frame and a center frame are coupled to each other and a pair of pedals move upwards and downwards in alternating directions. Pedal links connect the pedals to the base, arm levers couple to the front frame, and lever link units include a first lever link coupled to the corresponding arm lever and a second lever link connecting the first lever link to the corresponding pedal. Subsidiary pedal links connect the pedals to the center frame, a resistance pulley is provided in the center frame, and a crank having crank arms is coupled to the resistance pulley. A first actuating link is coupled to each pedal link at a predetermined angle. A second actuating link is rotatably coupled at both ends to the first actuating link and the corresponding crank arm.

Abstract: A treadmill includes a base, two axles, two pedal units and a coordinating unit. The axles are provided on the base so that they point downwards as they extend away from each other. Two pedal units each pivotally connected to a related one of the axles. The coordinating unit includes a lever and two connectors. The lever is pivotally connected to the base. Each of the connectors is used to connect the lever to a related one of the pedal units.

Abstract: A treadmill includes a base, two axle units, two pedals and a coordinating unit. The base includes a post formed thereon. Each of the axle units includes an axle extended downwards from the post. Each of the pedals includes a pedal pivotally connected to the axle of a related one of the axle units. The coordinating unit includes a lever pivotally connected to the post and formed with two ends each in contact with a related one of the pedals so that one of the pedals is moved upwards and outwards while the other pedal is moved downwards and inwards.

Abstract: An improved step exercise platform is presented, that can be used to address specific muscle groups in the legs. The muscle groups can be exercised with a proper angle taken by the foot, which is held at said angle by means of angled steps on the front, back, and sides of the invention. Certain muscle conditions such as Piriformis Syndrome can be treated in physical therapy by means of this invention, and certain training goals can be reached as well.

Abstract: A stepper has a base, a treading device, a handle device and two elastic belts. The base has two guide rails. Each guide rail has a guiding wheel. The treading device is movably mounted on the base and has two pedals, two pulley wheels and a pedal cord. The pedals are movably mounted on the guide rails. The pulley wheels are rotatably formed on outer sides of the pedals. The pedal cord is connected to the pedals and mounted around the guiding wheels of the guide rail. The handle device is pivotally connected to the base and the treading device and has two operating bars. Each operating bar has a handle and a holding frame. The holding frame is formed on the operating bar and is mounted around a corresponding pulley wheel. The elastic belts are respectively connected to base and the operating bars of the handle device.

Abstract: Various exercise apparatus have respective linkage assemblies which are movably mounted on a frame and link rotation of left and right cranks to elliptical movement of left and right foot supporting members. The linkage assemblies include separate linkage arrangements for horizontal and vertical displacement of the foot supporting members, and the linkage assemblies accommodate travel of the foot supporting members to positions laterally adjacent the cranks.

Abstract: A pedal exercise machine includes an arc trajectory with a length adjustment for adjusting the lengths of pedal trajectories and arm levers, an angle adjustment for adjusting the position of the pedal trajectory, and a displacement mechanism for adjusting the pedals' angles relative to the ground. The pedal exercise machine includes a base, a front frame and a center frame, coupled together, a pair of pedals, a pair of pedal links, and a pair of subsidiary pedal links, which are coupled to the respective pedals by shafts different from shafts which the respective pedal links are coupled to the corresponding pedals. The pedal exercise machine further includes a resistance pulley, a crank shaft, and a pair of crank link units. Each crank link unit has the angle adjustment mechanism configured to adjust the angle between the corresponding pedal link and the corresponding crank link unit.

Abstract: A stepping exercise apparatus includes a body, a crank pedal mechanism and a foot support device. The crank pedal mechanism is mounted in the body and includes a crank shaft and two pedals mounted respectively on two ends of the crank shaft. The foot support device is connected to the body to support and includes two feet, two positioning locks and two stabilizer bars. The feet are respectively and pivotally connected to body between a folded position and an unfolded position. The positioning locks are respectively mounted between the body and the feet to respectively lock the feet with the body when the feet are respectively kept in the unfolded position. The stabilizer bars are respectively and transversely connected to the feet.

Abstract: An elliptical exercise machine with adjustable ramp is provided and comprises a frame, first and second reciprocating foot supports, each foot support having a foot placement pad, first and second swing arms being pivotally connected to an upright support structure, first and second link arms being connected to a respective swing arm and a second end of each link arm being interconnected to a second end of a respective reciprocating foot support, a drive assembly positioned on the upright support structure, wherein a first end of each reciprocating foot support is movably linked to the drive assembly, and a ramp assembly adjustably linked to the frame by an adjustment mechanism coupled to the frame and the ramp assembly, the adjustment mechanism being configured to adjust the position of the ramp assembly and to thereby adjust stride movements of the respective foot placement pads.

Abstract: A treadmill includes a base, two axle units, two pedal units and a coordinating unit. The base includes a post formed thereon. Each of the axle units includes an axle extended downwards from the post. Each of the pedal units includes a pedal pivotally connected to the axle of a related one of the axle units. The coordinating unit includes a pulley provided on the base and a rope wound round the pulley and formed with two ends each tied to a related one of the pedal units so that one of the pedal units is moved upwards and outwards while the other pedal unit is moved downwards and inwards.

Abstract: An air spring is used as a resistance device in exercise equipment having a lever arm for exercising arms and legs. In one embodiment, the equipment can be adapted to be used as a stair stepper. In another, it can be adapted to be used on a table surface for exercising hands, wrists and forearms. In still another embodiment, it can incorporate a bike pedal assembly to simultaneously aerobically exercise the legs and arms. The equipment includes resistance level regulating components and a visual indicator using a gauge or similar device to monitor resistance levels.

Abstract: A treadmill system having a side work surface at a height convenient for a user access for working. The treadmill also has a safety rail that runs longitudinally. A safety belt that may be worn by a user is anchored to the side rail. In one embodiment, the side rail height and the belt are configured to support the weight of the user in case of a fall.

Abstract: An exercise device includes two cranks rotatably coupled to a rear portion of a upright support and each having a pivot rod, two handles having a middle portion pivoted to a front portion of the upright support with a spindle, two foot supports pivotally coupled to the handles and each having a middle portion pivotally coupled to the pivot rod of the cranks with a link, and two levers pivotally coupled to the pivot rod and the handle and spaced away from the spindle for forming a polygonal coupling structure and for allowing the foot supports to be moved elliptically relative to the upright support of the base. The levers may be adjustably coupled to the handles for adjusting the moving stroke of the foot supports.

Abstract: A treadmill includes a base, two axle units, two pedal units and a coordinating unit. The base includes a post formed thereon. Each of the axle units includes an axle extended downwards from the post. Each of the pedal units includes a pedal pivotally connected to the axle of a related one of the axle units. The coordinating unit is used to connect the pedals to each other so that one of the pedals is moved upwards and outwards while the other pedal is moved downwards and inwards.

Abstract: An exercise device includes two cranks rotatably coupled to a rear portion of a upright support and each having a pivot rod, two handles having a middle portion pivoted to a front portion of the upright support with a spindle, two foot supports pivotally coupled to the handles and each having a middle portion pivotally coupled to the pivot rod of the cranks with a link, the front portions of the foot supports may be controlled by the handles to allow the foot supports to be actuated as a stepping exerciser when the front portions of the foot supports are stably held in place by the handles, and to allow the foot supports to be actuated as an elliptical exerciser when the handles are swung by the user.