Abstract: A convertible push and pull exercise machine capable of providing a user with a total body workout using resistance in two lines of motion. The exercise machine can include a base, an adjustable secured seat positioned on the base, and an arm assembly including opposed first and second arm members each having a first end and a second end. The first end of each of the opposed first and second arm members can pivotally be attached to the base. Additionally, the exercise machine can include a resistance arrangement capable of providing a resistance to each of the opposed first and second arm members in at least two lines of motion.

Abstract: The present invention is a progressive multi-purpose exercise device, which can be configured as 1) an exercise ball (no handles), 2) kettle bell (1-handle), 3) medicine ball (2-opposing handles), 4) a kettle bell-2 (2-handles at 90-degrees) and/or 5) a rope-attached ball with stretch cord and/or rope. For illustration purpose, it may be comprised of a series of elements and systems including, but not limited to a Connection System, Attachment Technology System, Progressive Weight System and a Retainment System with a top hemisphere, a bottom hemisphere, a series of circular weighted discs, a variety of single-slot handle(s) and/or double-slot handle(s) and an alignment shaft. The user friendly systems allow any user to easily add/change handle configurations and add/change weights for a wide variety of over sixty (60) different combinations of fitness equipment described herein.

Abstract: An exercise weight includes a weight member, a handle member spaced apart from and substantially surrounding the weight member, and at least one attachment member joining the weight member to the handle member so that the weight member is located inside the handle member. The exercise weight has a relatively narrow profile, or width, to avoid contact with the body during exercise.

Abstract: A respiratory muscle endurance training device (RMET) includes a chamber and a patient interface. In one implementation, one or both of a CO2 sensor or a temperature sensor can be coupled to the chamber or patient interface to provide the user or caregiver with indicia about the CO2 level in, or the temperature of, the chamber or patient interface, and/or the duration of use of the device. In another implementation, the RMET may have a fixed volume portion adjustable to contain a measured portion of a specific patient's inspiratory volume capacity. Methods of using the device are also provided.

Abstract: A training and exercise device is provided to aid in proper positioning, technique, and muscle memory for different sports and exercise related activities. The training device includes a cylindrical barrel member. A sled or sleds are connected to the barrel member such that rotation and movement of the barrel member will in turn move the sled or sleds. The sleds are bi-directional such that they are able to move in both forward and rear directions, which will allow the training device to be used in multiple directions without having to reorient the entire device between exercises. The barrel device, sled or sleds may also be configured to adjust the weights thereof to increase or decrease the resistance of the movement of the training device to accommodate for different user's size, abilities, and intended outcome.

Abstract: A core muscle exercising and resistance training device includes a weighted bar having opposed bar ends adapted to removably mount at least one weight or other force generating element. A pad element is removably and frictionally mounted on the bar, the pad element being constructed from a lightweight foam material having a density within a specific range. The pad has an outer surface with a radius of curvature substantially the same as a normal cervical curvature. In use, the outer pad surface is placed adjacent a user's cervical curve and the weighted bar, the additional isometric resistance generating elements and the pad element act in combination to apply a force upon the user's core cervical curve muscles for improving the user's cervical curve posture by gradually modifying the cervical curvature to conform with clinically desirable curvature.

Abstract: A system and method for covering weight plates is disclosed herein. Specifically, a system for covering weight plates can comprise a top sleeve comprising a first center orifice and a bottom sleeve comprising a second center orifice aligned parallel to the first center orifice. Additionally, the bottom sleeve can be connectable with the top sleeve.

Abstract: The present invention relates to a portable strength training device which can be adapted to various sports and can be utilized in almost any location. More, specifically present invention is a weighted elongated tubular member which includes connectors for attachment of various balls and/or sporting equipment. The training device is adjustable through the use of various sized hollow tubes of different lengths and/or diameters which allow for the addition of one or more types of weight material within the hollow lumen. Various different sports objects, such as balls, golf club handles, tennis racket handles, baseball bats and the like can be secured to one of the distal ends of the hollow tubes. Clips hooks or the like may be secured to the opposite distal end of the tube for anchoring the device.

Abstract: A new weighted ball exercise device is disclosed. The ball has handles connected to covers located on opposite sides of the ball. The handles rotate 360 degrees clockwise or counterclockwise. The handles alleviate stress on the user's wrists and provide a firm grip. The ball has an internal weight storage compartment or weight drawer that may be opened to permit adding or removing weights of various sizes and weights. The compartment can be axially located between the covers, and be locked and unlocked by action of spring-loaded button mechanism. In another embodiment, the ball has opposing rotatable covers with handles and grips. Weights are removably insertable into one or more recessed compartments located about the ball's outer surface, and may be radially spaced apart. A kettle bell handle attachment can be inserted into the outer surface to permit conversion of the ball to a kettle ball device.

Abstract: The present invention provides an armband designed for wearing by a person who uses a hand prosthesis or a person with impaired hand function. The armband both stabilizes the attachment of the prosthesis thereby allowing pulling exercises that would otherwise be impossible and provides connection to exercise machines allowing the wearer to carry out exercises that would otherwise require the wearer to grasp an operational portion of the exercise machine. The armband is constructed from a sheet of flexible material that is sized to be wrapped around a wearer's arm enclosing substantially all of the arm and the wrist or base portion of any hand prosthesis. The wrapped armband is tightened by attached cinching straps and D-rings are provided attached to the surface of the armband for attachment of portions of exercise machines. An optional shoulder harness can be attached to the armband for additional stability.

Abstract: A weight training device comprising a hollow tubular body. A plurality of handle wells disposed in the hollow tubular body. A plurality of handles disposed in the handle wells, wherein the plurality of handles comprise axially-oriented handles and circumferentially-oriented handles, and wherein the axially-oriented handles are diametrically opposed to the circumferentially-oriented handles. A fill cap well disposed in the hollow tubular body. A fill cap disposed in the fill cap well and removably attached to the hollow tubular body, wherein the fill cap is threaded and is attached to a threaded extrusion of the hollow tubular body. A plurality of baffles disposed within the hollow tubular body, wherein the hollow tubular body is configured to be used partially filled with a fill material so as to create a randomly variable weight distribution. Two diametrically-opposed end caps are attached to the axial ends of the hollow tubular body.

Abstract: A counterbalance device for weight training includes a brake unit and a control unit. The brake unit includes an outer cylinder, a resistant spring received in the outer cylinder, and a screw rod extending through the outer cylinder and the resistant spring. The screw rod is connected with a steel cable of a weight training apparatus. An adjusting member is coupled around the screw rod and movably threaded into the resistant spring. A gear is provided at a front end of the resistant spring. The control unit includes a transmission gear which can be driven by a motor and is engaged with the gear. When the motor is actuated, a position of the adjusting member relative to the resistant spring can be changed, so that a number of spring coils of the resistant spring for compressing are changed, therefore a counterbalance of the weight training apparatus can be adjusted.

Abstract: Embodiments of a user-adjustable resistance mechanism, and embodiments of an exercise apparatus employing such a user-adjustable resistance mechanism, are provided. In one embodiment, the exercise apparatus includes a support structure, a user-manipulated element movably coupled to the support structure and configured to be moved by a user during the performance of an exercise in opposition to an output resistance, and a user-adjustable resistance mechanism. The user-adjustable resistance mechanism includes, in turn, an input resistance assembly and a lever assembly comprising a first plurality of levers rotatably coupled in series between the user-manipulated element and the support structure. The input resistance assembly is configured to be selectively coupled by a user to the lever assembly at any one of a plurality of locations to determine the cumulative load arm length of the first plurality of levers and the output resistance opposing movement of the user-manipulated element.

Abstract: A compact portable exercise machine includes elastic resistance members which are distended or compressed by only a limited amount in order to extend the operational life of the resistance members. Although the elastic resistance members are distended only a relatively short distance during an exercise, the pulled system utilized to distend the elastic members permits a comparatively large range of motion by the individual performing the exercise. The portability of the exercise machine permits it to be readily positioned to perform a relatively large range of exercise.

Abstract: A non-covered and a covered heavy training rope has a flexible, non-slip, foam grip handle and a steel retaining collar that secures the handles to the rope. The grip handles can be applied to the ends of the rope using a lubricating adhesive/epoxy to create a form fitting, flexible, non-slip gripping surface that secures the rope ends while allowing for more natural motion of the wrist while absorbing sweat from the hands, decreasing slipping, improving the grip and extending the overall training time, intensity and conditioning benefits. The retaining collar (ferrule) can be placed over the open end of the foam grip handle and mechanically crimped onto the grip and rope, securing the handle to the rope. The foam grip handle, adhesive and retaining collar greatly improve the overall durability, functionality, professional appearance and marketability, thereby creating the first commercial quality heavy training rope with a handle.

Abstract: An article (101) is provided which comprises a body (103) having an interior volume (113), and a collapsible inlet (105) which is in open communication with said interior volume and which is movable from a first position in which it extends from said body, to a second position in which it extends into said internal volume.

Abstract: The nature of this invention is that it is an exercise ring and accessory wand that is twirled by the wrist, ankle or with wand to strengthen various body parts. The ring weighs one to twenty pounds, has an inside diameter of 8-18 inches, an outside diameter of 10-20 inches and is one to two inches thick depending on design and materials. The wand has two knobs for retaining the ring as it is twirled by hand and is one inch thick and 12 to 18 inches long.

Abstract: An exercise device with a frame which may include a longitudinal center section, defining a first end and a second end, and two substantially equal end sections, one of each of the end sections may be coupled to the first end and the second end of the center section substantially at a midpoint with respect to the width and the height of the end sections. One or more pins may be coupled to the frame between the first end and the second end, the pins adapted to receive weight plates. A bumper may be coupled to the top and bottom of the end sections. A sled frame may be added to the device to convert the device to a functional sled with different configurations. The sled skids may be removable to be easily repositioned, removed or replaced when worn.

Abstract: An adjustable weight training device includes a handle having at two sides. Each side of the handle is provided with a selector unit, an adjustment unit and a plurality of weight discs. The adjustment unit is operated to change the connection of the selector unit and the plurality of weight discs so as to change the weight of the weight training device as desired.

Abstract: Devices, apparatuses, systems and/or methods related to weight plates. Specifically, the disclosed devices, apparatuses, systems and/or methods relate to nested weight plates including a first weight plate increment and a second weight plate increment configured to receive the first weight plate increment. The nested weight plates may include a turning mechanism including a turning circle and/or a screw. The screw may be received by the first weight plate increment such that rotation of the turning circle engages and/or disengages the second weight plate increment. In this manner, a user may select to total weight desired.

Abstract: The present invention relates to an exercise machine for setting exercise in six degrees of motion. In particular, it exercises the shoulder more thoroughly and quickly than previously available.

Abstract: The present invention teaches a kettlebell-type device adapted for use in an aquatic environment, wherein a hollow body is made of a material that cannot damage the lining of a swimming pool; a handle of sufficient length as to allow a user to grip said handle with two hands; and weights permanently or removably affixed to the device, wherein the weights comprise containers for water or other non-toxic filler that may be filled to a user-defined level. In addition, the device may comprise one or more optional additional weights.

Abstract: A weight sled provides a frame with runners and reconfigurable handles to provide use of the sled as a wheelbarrow apparatus.

Abstract: An add-on weight kit for a selectorized dumbbell comprises a second set of nested weights that are similar in shape and structure to a first set of nested weights originally provided on the dumbbell. The second set of weights has a plurality of overlying rails that will underlie an array of similar rails carried on the first set of nested weights. The kit includes a second handle having vertically spaced openings with the second handle being used in place of a first handle originally provided on the dumbbell. The openings on the second handle are arranged relative to the rails on the second set of weights such that the same connecting pin as used on the dumbbell to couple the first set of weights to the first handle can be used to additionally couple a selected number of the add-on weights to the second handle.

Abstract: The present invention concerns exercise apparatus. More particularly, but not exclusively, this invention concerns an exercise device for weight training. The invention also concerns adjusting the weight of an exercise device. The invention provides an exercise device comprising a resiliently deformable tube and a removable weight. The removable weight is removably engaged with an inner surface of the resiliently deformable tube by one or more formations.

Abstract: An exercise weight comprises a plate having a width, a length and a thickness. The length is substantially greater than the width, and the width is substantially greater than the thickness. The plate has opposed longitudinal edges and opposed end edges, and has opposed lengthwise grip apertures adjacent respective longitudinal edges and opposed end grip apertures adjacent respective end edges. The grip apertures cooperate with their respective edges to form lengthwise handgrips and end handgrips. A barbell comprises a main support portion for receiving exercise weights and which includes at least one mounting projection adapted to be received in a corresponding aperture in one of the exercise weights to support the exercise weight on the barbell. Opposed lifting handles extend outwardly from opposite ends of the main support portion and an elongated lifting bar is carried by and spaced from the main support portion.

Abstract: A multi-exercise device including a device body including a first side and a second side disposed on opposite sides of the device body, at least one weight receiving area disposed on an interior of the device body, where the at least one weight receiving area is configured to secure at least one weight inside of the device body, at least one side handle including a first end and a second end, where the at least one side handle is coupled with the first side of the device body near the first end and the second end, two or more side grips disposed on the at least one side handle, and two extending handles, each including a proximal end and a distal end, where the two extending handles are coupled with the second side of the device body at the proximal end.

Abstract: An exercise device is provided, having a frame with a first end opposite to a second end and a top portion opposite to a bottom portion, thereby defining four opposing corners. One or more pins may be coupled to the frame between the first end and the second end, the pins adapted to receive weight plates. A bumper may be coupled to each of the four opposing corners. The bumper may be a substantially longitudinal hollow member which may include a plurality of treads on a side opposite to that coupled to the frame. The device may then be supported by two of the bumpers and flipped over to be supported by the other two bumpers. The lifting and flipping of the device provides an exercise which employs many of the major muscles groups of the body. Weight plates may be added or removed to accommodate different users.

Abstract: An article (101) is provided which may include a body (103) having an interior volume (113), and a collapsible inlet (105) which is in open communication with said interior volume and which is movable from a first position in which it extends from said body, to a second position in which it extends into said internal volume.

Abstract: A barbell assembly includes an axle having two connection holes respectively defined in two ends thereof and two outer tubes are respectively mounted to the two ends of the axle. Each outer tube has a space and two collars are respectively located in the two spaces of the two outer tubes. The two collars are respectively mounted to the two ends of the axle. Two locking units each include a control ring, a locking member and a cap. The control ring is located in the space of the outer tube corresponding thereto. Each locking member has an engaging portion which extends through the control ring and is connected with the connection hole of the axle. The cap is fixed to the outer tube and presses the control ring to contact against the collar and the axle.

Abstract: An exercise device is disclosed that provides users with a way to effectively exercise their core muscles without going to a gym. The exercise device comprises a round tube, a pair of handles secured to the round tube, and at least one sphere inserted into the round tube, wherein a user rotates the exercise device in a circular motion causing the sphere to travel around the round tube. The round tube comprises an interior cavity with an internal track system for the spheres to travel. Typically, the spheres are weighted, and the exercise device comprises a plurality of spheres each of a different weight. Furthermore, the round tube can comprise an access panel positioned on the exterior surface of the round tube for inserting a sphere, and a pair of handles that span an inner diameter of the round tube and are secured to opposing sides of the round tube.

Abstract: Adjustable-weight exercise devices are disclosed. An example adjustable-weight exercise device may include an exercise device body; a generally cylindrical cavity extending into the exercise device body and comprising at least one engagement feature; and a generally cylindrical weight insert configured to be slidably received the cavity and comprising a corresponding engagement feature. The engagement feature and the corresponding engagement feature may be configured to releasably engage each other to selectively retain the generally cylindrical weight insert within the generally cylindrical cavity.

Abstract: This invention discloses a composite chair storage device comprising a chair, a slide mechanism and an exercise module for storing a composite chair, and a first roller and a second roller are embedded into two slide rails for performing a linear displacement. With the assistance of a sliding third roller and a pressure element capable of turning over an exercise equipment of an exercise module, the exercise module can be stored into a containing space of the chair or unfolded from the containing space of the chair quickly and conveniently, so as to achieve the effect of folding and unfolding the composite chair effectively.

Abstract: A wrist strap for weight lifting and exercising is provided. The present invention relates to a wrist strap with automatic coiling features. The wrist strap of the present invention can be used to increase a person's lifting capacity. The wrist strap allows the user to more safely lift heavy loads without losing one's grip.

Abstract: A sled with tubular runners that have a square aft cross section from which fixable bayonet couplings having three sides of a square extend and can receive a pole support frame's side members which cover the bayonet extensions. The pole support frame supports opposed bearings that rotationally mount a pole axle from which an equipment support pole transversely extends. Two semi-circumferential arrays of holes interact with holes in a fixed angular adjuster, mounted to the pole support frame, to enable multiple discrete fixed angular positions for the pole. The sled can support weights, preferably in the form of containers of water, as well as exercise equipment. The pole can support pole extensions, exercise equipment, and pulleys for guiding cables that connect weight containers to exercise apparatus.

Abstract: Various embodiments of the present invention are directed to a multi-grip dumbbell. In one embodiment of the present invention, a multi-grip dumbbell includes a central handle, a first weighted head interconnected to the central handle in proximity to a first end of the central handle, and a second weighted head interconnected to the central handle in proximity to a second end of the central handle. The first weighted head is approximately evenly weighted with the second weighted head. The first weighted head includes a first weighted end handle and two weighted side handles. Similarly, the second weighted head includes a second weighted end handle and two weighted side handles.

Abstract: A weight stack assembly for an exercise machine includes: a plurality of weights arranged in a vertical stack; a post extending through the weights, and a selector unit. Each of the weights includes an open-ended, forwardly facing slot, wherein the slots of each of a first set of the weights form a first column, and wherein the slots of each of a second set of the weights form a second column that is parallel to but non-coincident with the first column. The vertical stack is formed by alternating first and second weight. The post is configured to connect with a movement arm of an exercise machine and includes a first column of apertures that align with the slots of the first set of weights and a second column of apertures that align with the second set of weights. The selector unit is configured to be inserted into one of the slots and one of the apertures to select a portion of the weights to provide resistance for exercise.

Abstract: A system is described that simultaneously (1) provides for at least 10 different height adjustments for assisted pushups; (2) provides an adjustable ankle-holding situp bar to accommodate differently-sized feet; (3) can compensate for an uneven exercise surface; (4) requires no permanent mounting or any installation; (5) does not require use of a doorway; (6) is highly compact for storage; (7) can be disassembled for storage using a trivial procedure that is already well-known by most gym users; (8) leverages existing, widely-used and inexpensive home gym equipment to provide some portions of the system, thereby reducing expense; and (9) can be used as a weight for some barbell exercises, thereby stretching the home gym user's money; and (10) can be used as a weight plate on a weight bar for weightlifting exercises, thereby further stretching the home gym user's money. Alternative systems are also described.

Abstract: An apparatus is disclosed for enabling an operator to exercise comprising a frame having a body, a base and a top. A load is positioned on the frame for providing a resistive force. A press is positioned on the frame for displacement by the operator. A linkage joins the load with the press for displacing the load upon displacement of the press by the operator. An arm extends between a support end and a user end. A support pivot secures the support end of the arm to the top of the frame for pivoting the arm about the frame. A user interface inputs and outputs data. A user pivot securing the user interface to the user end of the arm for pivoting the user interface about the arm.

Abstract: The present invention is a separable weight adjustable medicine ball, which can be used in a variety of exercise routines. The present invention is primarily comprised of two pieces, which can either be separated to perform exercises that involve dumbbells or push-up handles or be combined to perform exercises that involve a medicine ball. The present invention allows a user to incrementally increase the exercising load with a plurality of weights. The plurality of weights is separated between the two pieces and held in place with a pair of weight supports. The plurality of weights is secured on the pair of weight supports with a pair of collar clamps. The collar clamp is an user-friendly device that can be opened by squeezing the sides of the collar clamp and can be closed by releasing the sides of the collar clamp.

Abstract: An engagement interface for an exercise machine for selectively engaging a carriage with one or more resisting elements may include one or more engagement devices arranged on the carriage. An engagement device may include a reaching or first portion and a flange or second portion. An engagement feature may be positioned on the one or more resisting elements and configured for engagement by at least one of the one or more engagement devices. The engagement feature may include a body, at least one wall extending generally perpendicular to the body, a first tab extending from the at least one wall in a first direction, and a second tab extending from the at least one wall in a second direction opposite the first direction. The first and second tabs may be configured for engagement by at least a portion of an engagement device.

Abstract: In-field kits and systems for self-directed therapeutic pulley-based muscle rehabilitation methods. The in-field kit and system comprises ring-shaped fasteners that can be removably coupled to preselected locations on a stationary structure, such as a chain link fence. Pulleys are coupled to the ring-shaped fasteners and an inelastic tether spans the pulleys. The tether has a proximal end portion to which a handle is coupled and a distal end portion to which a weight is coupled. The weight and pulleys provide resistance when a person uses the handle to perform any one of a multiplicity of exercise routines. Use of the invention obviates a need to have a physical therapist present at all times during rehabilitation of an injured user because the invention is a pulley-based system usable at home or at an athletic field.

Abstract: The subject matter discloses a wobble system comprising a first wobbling weight, wherein the first wobbling weight is maneuvered rotationally; and wherein the first wobbling weight swings around a connection point when maneuvered rotationally. In some cases, the wobble system comprises a power unit and a first plate; wherein the first wobbling weight is connected to the first plate on a single point, such that the first wobbling weight swings around the single point; wherein the power unit generates rotational movement of the first plate. In some other cases, the wobble comprises two plates connected to opposite ends of the wobble system and rotate upon operation of the power unit.

Abstract: A micro-weight training apparatus can include one or more disc-shaped micro-weights. The micro-weight can include an annular body defining a substantially central aperture extending entirely through the annular body, wherein the annular body comprises first and second surfaces, with each surface terminating in a radiused edge. The micro-weight further includes a magnet disposed in the aperture. The micro-weight can have a mass in of about ¼ ounce to about 2 ounces.

Abstract: A liquid filled portable exercise apparatus consisting of a portable assembly that may be easily transportable in a suitcase for travel consisting of a single or multiple removable, resilient and liquid or water fillable bladder center section(s) within a closed form, nearly circular, or elliptical in shape, handle section allowing the user to use it in a similar manner as that of a Kettle Ball as well as a weighted exercise bar. Some implementations can include a handle as well as resilient and collapsible bladders that are designed, without liquid or water, to lay nearly flat in a suitcase and allow for easy attachment of one or more collapsible bladders that can be filled with various levels of liquid or water commensurate with the desired weight required by the user for a specific exercise routine. Typically, the user would completely fill the bladders.

Abstract: An athlete training apparatus includes a platform, a force redirecting device that is mounted on the platform, an elastic member, a first user coupler and a second user coupler. The elastic member has a first end and an opposite second end and is engaged with the force redirecting device. The first user coupler is coupled to the first end of the elastic member and is also configured to be worn by a first individual. The second user coupler is coupled to the second end of the elastic member and is configured to be worn by a second individual. When the first individual stands in the standing area and when the second individual applies a force to the elastic member, the force redirecting device redirects a portion of the force to the second user coupler so that a force having a downward vertical component is applied to the first individual.

Abstract: A multifunctional exercise apparatus includes a tether removeably affixed to a user and has at least two engagement points. The apparatus includes a base removeably affixed to the tether by at least one engagement point. A triangle is formed when the tether is affixed to the base at a first engagement point and at a second engagement point. The triangle has a first side of the triangle extending between the first engagement point and the second engagement point, a second side of the triangle extends away from the base at an angle from the first engagement point, and a third side of the triangle extends away from the base at a second angle from the second engagement point. A ratio of a length of the second side to a length of the third side varies is substantially proportional to a dragging resistance of the base along the ground.

Abstract: Devices, apparatuses, systems and/or methods related to weight plates. Specifically, the disclosed devices, apparatuses, systems and/or methods relate to nested weight plates including a first weight plate increment and a second weight plate increment configured to receive the first weight plate increment. The nested weight plates may include a turning mechanism including a turning circle and/or a screw. The screw may be received by the first weight plate increment such that rotation of the turning circle engages and/or disengages the second weight plate increment. In this manner, a user may select to total weight desired.

Abstract: A weight-lifting exercise machine enables an athlete to lift a mass from an initial resting position. After the athlete releases the mass, the machine cushions the fall of the mass, such that the mass returns to its resting position without assistance from the athlete. The movements of the athlete and the mass can be tracked, preferably by wireless accelerometers attached respectively to the athlete and the mass, and data on such movements can be stored and analyzed. The machine provides a monitor to enable the athlete to track the progress of the exercise, and to determine whether the exercise is being performed correctly.

Abstract: A dumbbell with a selectable number of weight disks includes a handle with projectable pins in opposing directions, with end surfaces, a base assembly for accommodating two sets of weight disks standing upright, the weight disks having central openings. The projection lengths of the pins are stepwise selectable by an indexing device in order thereby to permit selection of the number of weight disks supported on the handle. Neighboring weight disks and the handle have mutually engaging connecting arrangements which axially interconnect the weight disks and the handle but which permit radial separation. In order to prevent the set projection lengths of the pins from being unintentionally altered, when a dumbbell lifted up out of the base assembly is used, the handle has a locking arrangement which locks the pins in the set projection positions.