Abstract: A handheld weight exercise system includes a plurality of plates of varying weights. Each plate includes at least one connector assembly for detachably connecting the plate to another adjacent plate. Each plate includes a handhold aperture, which is alignable with a handhold aperture of an adjacent plate when the two are connected to one another, for grasping and moving the one or more plates.

Abstract: A dumbbell with a quick release structure contains: a handling assembly, two engagement assemblies, multiple counterweights, and two locking elements. The handling assembly includes a handle. A respective one engagement assembly is connected each of two ends of the handle and includes a retainer driven to move toward an engaging position and a disengaging position from the two ends of the handle. A respective one counterweight includes a connection orifice. A respective one locking element includes a screw column and a head disc. When the retainer of the respective one engagement assembly is located at the engaging position, the screw column is screwed with the retainer; when the retainer of the respective one engagement assembly is located at the disengaging position, the screw column is removed from the retainer.

Abstract: The present invention relates to a system (S) for monitoring the weight adjustment of a dumbbell, which can be used by a user to perform a gymnastic exercise, comprising: a dumbbell (2), provided with a handle (21), having an axial development along an axis (R), able to rotate around said axis (R), clockwise and counterclockwise, and provided with a first end (211) and a second end (212), a first plurality of weights (P1), wherein each weight can be individually coupled to said first end (211), when said handle (21) rotates in one direction, and decoupled from said first end (211), when said handle (21) rotates in the opposite direction, a second plurality of weights (P2), wherein each weight can be individually coupled to said second end (212), when said handle (21) rotates in one direction, and decoupled from said second end (212), when said handle (21) rotates in the opposite direction, wherein said system (S) is characterised in that it comprises an element provided with a plurality of reflective portions

Abstract: Described herein is multi-purpose exercise equipment. The first element of the inventive concept is equipped with adjustable bands coupled to a concave portion designed to fit the ball and toes of a user's foot and designed with a smooth outer face to slide on a surface. The second element of the inventive concept includes lockable handles, ergonomic grips, and rollable wheel members on each of two ends. The inventive concept may include a smartphone exercise app.

Abstract: The present invention relates to a novel fitness weight device designed to allow users to customize dumbbell weights by filling the air chambers with air. The device comprises a dumbbell-styled weight with an inflatable air chamber. The devices can be inflated via a push button. Users can inflate the dumbbell devices to a desired weight for customized workouts. Once finished, the user can activate the air release valve to compact or retract the dumbbell for storage.

Abstract: A portable dumbbell includes a handle connection rod, a balance weight seat, a balance weight lock structure and a balance weight, where the handle connection rod includes a handle and a connection rod, the handle being fixedly or detachably mounted on the connection rod, the balance weight seat is fixedly or detachably mounted at two ends of the connection rod, at least one assembly hole is provided on the balance weight seat and used for assembling the balance weight, and the balance weight lock structure is fixedly or detachably mounted at the two ends of the connection rod, is partially accommodated inside the balance weight seat, and is used for controlling the balance weight to be rapidly mounted and locked and unlocked and taken out. According to the portable dumbbell, the balance weight seat and the balance weight lock structure are arranged to match each other.

Abstract: An adjustable dumbbell device includes a dumbbell having two weight ring supported on a receptacle, a handle having two end housings to be coupled to the weight rings, two weight members engageable into the housing, two spring biased catches engaged in the weight member, two arms coupled to the spring biased catches for moving the spring biased catches into and out of the weight members, a carrier slidably engaged in the receptacle and having a pole and a stud of different height for engaging with the arms and for actuating the arms to disengage the spring biased catches from the weight members, and an actuator moves the carrier relative to the receptacle to control an engagement of the pole and the stud with the arms.

Abstract: An exercise apparatus for strengthening muscles. The exercise apparatus includes a body having a holding portion that extends between a first distal region and second distal region thereof. The holding portion forms a continuous surface that is curved such that a diameter of the holding portion is narrowest at a proximal point of the holding portion and widest at a first radial edge and an opposing second radial edge. The first and second distal regions are each dome shaped and extend from the first radial edge and the second radial edge, respectively. The holding portion can be received between the inner thighs of a user to add resistance when performing various exercises, such as leg lifts, planks, pull-ups, dips, and the like. In some embodiments, the body includes a weight receiving channel extending therethrough, wherein an elongated weight is positioned within the weight receiving channel.

Abstract: Exercise apparatuses are described herein. An example embodiment of an exercise apparatus includes a first shaft, a first frame, a first handle, a second frame, a second handle, a second shaft, and a third shaft. The first frame is attached to the first shaft. The first handle is rotatably attached to the first frame such that the first handle can rotate relative to the first frame. The second frame is attached to the first shaft. The second handle is rotatably attached to the second frame such that the second handle can rotate relative to the second frame. The second shaft is attached to the first frame and the third shaft is attached to the second frame.

Abstract: A training device may include an outer layer; a first end and a second end located at opposing ends of the training device; an adjustable handle including a first piece, a second piece, and a fastener loop; and a contents disposed within a void defined by the outer layer and first and second ends. Each end may include a cuff. The fastener loop may be configured to accept the first piece and the second piece.

Abstract: An enclosing cup includes a base, an enclosing container for holding liquid, a handle and a mouth. The enclosing container is supported by the base. The mouth is supported by the enclosing container. The enclosing container incorporates a cavity for containing liquid, and an aperture. The mouth communicates with the cavity via the aperture. Liquid flows into and out of the cavity via the aperture and the mouth. The handle is disposed within the enclosing container. The liquid is disposed around the handle and a user's hand that holds the handle. The handle makes contact with the inner side of the enclosing container at one or more points. The handle allows a user to hold and operate the enclosing cup, while the mouth of the enclosing cup allows the user to drink the liquid out of the enclosing cup.

Abstract: Example travel exercise equipment includes a barbell including a first end portion and a second end portion and a pair of yokes. Each yoke includes a base and a pair spaced-apart yoke arms extending from the base. The bases being adapted to be coupled to a corresponding end portion of the barbell. The travel exercise equipment includes a pair of containers having handles adapted to be carried by a corresponding yoke.

Abstract: An exercise apparatus includes a frame with a pair of vertical guides. A carriage is slidably carried on each of the guides. Each of the carriages has a locking mechanism to lock the carriage at a selected vertical position and a release to disengage the locking mechanism. A horizontal exercise bar is slidably carried on guide rods. First and second cables are coupled to a selectable exercise resistance, each of the cables having an end selectively coupled to either the respective carriage or to a respective bracket at the end of the exercise bar. Secondary brackets on the exercise bar are configured to engage respective ones of the carriage releases and grab the carriage so as to selectively engage and disengage the locking mechanisms upon axial rotation of the exercise bar and raise and lower the carriages with the exercise bar.

Abstract: The present application discloses a dumbbell. The dumbbell includes: a hand-hold assembly, having a first channel and two opposite ends; two weight adjusting assemblies, rotatably connected with two ends of the hand-hold assembly respectively and rotated relative to the hand-hold assembly about a rotation axis; a plurality of weights, supported by the weight adjusting assembly; wherein, each weight adjusting assembly comprises a first cover connected with the end of the hand-hold assembly, a supporting base fixed to the first cover and having an upper sub-base and a lower sub-base spaced apart from the upper sub-base for forming a receiving space, and an engaging tube extending from the first channel into the receiving space and moved toward or away from the hand-hold assembly so that the engaging tube locks the weights or unlocks the weights.

Abstract: The present disclosure relates to a resistance training exercise device that includes a frame; a holder coupled to the frame, the holder defining a lever channel for receiving a forearm of a user; the holder and the frame configured to rotate with the forearm about an elbow relative to an upper arm when the user is performing a rotary resistance training exercise; and a weight support for receiving one or more weights thereon, the weight support fixed to the frame and spaced apart from the holder in a direction selected to maintain, throughout the resistance exercise, an angle between the upper arm and the weight support that is greater by a constant value than an angle between the upper arm and the lever channel.

Abstract: A kettlebell having a planar body. The kettlebell has a curved handle with an arched central portion connected to the body for gripping. A first edge and opposing second edge of the body positioned between two outward curved edges are linear and substantially parallel to form the body of the kettlebell with two opposing straight sides.

Abstract: A system for selectively adjusting the fixed length of a single, retractable elastic body. The system enables control of the resistivity of the elastic body as well as a definitive determination of a level of force exerted against the single elastic body. The determined level of force is represented on an interface device embodied in a housing for the elastic body. The data associated with the determined level of force can be wirelessly communicated to other users' interface devices or smart devices for facilitating healthy competition between users.

Abstract: This disclosure relates to exercise weight plates that contain custom images such as color, lettering and/or logos, and more particularly to exercise weight plates having a removable ring that contains a custom image. The exercise weight plate may include a weight body having one or more recessed areas and one or more rings, each of which fits in one of the recessed areas. Each of the rings may be secured to the weight body so that it remains affixed during use.

Abstract: A training and conditioning system including: a training and conditioning system assembly including: a plurality of weights; and a training manual. The training and conditioning system has a training and conditioning assembly; wherein each of the weights are configured to be manipulated by a user-athlete according to the training manual. The plurality of weights are unmarked as to how much each weighs so as to train a user-athlete mentally and physically to accomplish training regardless of weight randomly lifted.

Abstract: A game kit for a multi-player or single player outdoor tossing game includes a set of at least two elongated rigid pitch sticks. The pitch sticks are adapted to be tossed from a pitch location towards a remote target location. A first pitch stick has first and second visually contrasted stick sections. The first stick section comprises a first color identifier and a first point-indicating marking. The second stick section comprises a second color identifier and a second point-indicating marking. A second pitch stick has first and second visually contrasted stick sections. The first stick section of the second stick comprises the first color identifier of the first stick, and a third point-indicating marking. The second stick section of the second stick comprises the second color identifier of the first stick, and a fourth point-indicating marking.

Abstract: An adjustable exercise device includes two weight members engageable to a receptacle, two pairs of weight elements engaged on the receptacle and engaged between the weight members, and a handle mechanism includes two housings disposed on the end portions of a handle bar, two actuators pivotally attached to the handle bar for engaging with the weight elements, the actuators each include one segment for engaging with one of the weight elements, and another segment for engaging with the other weight element and for detachably anchoring the weight elements to the housings and the handle bar and for micro-adjusting the weight of the adjustable exercise device.

Abstract: A kettlebell includes a base seat, a plurality of weight plates stacked on the base seat, and a lift seat separably disposed on the base seat. The base seat includes a base main body, an adjusting module mounted to the base main body for adjusting configuration of the lift seat and the weight plates, and a locking module mounted in the base main body. The locking module is operable to switch between a locking state in which the locking module engages the adjusting module such that the adjusting module is not operable, and an unlocking state in which the locking module disengages from the adjusting module such that the adjusting module is operable.

Abstract: An adjustable dumbbell device includes a handle bar, a housing attached to one end of the handle bar, one or more weight elements engageable into the housing, and a catch is slidably received and engaged in the housing and extendible out of the housing to engage with either the weight elements and to anchor either of the weight elements to the housing and the handle bar and for micro adjusting the weight of the dumbbell assembly. The housing includes a guide channel for slidably receiving the catch. The housing includes a chamber communicating with the guide channel of the housing for receiving and engaging with the weight elements.

Abstract: A fitness ball includes a ball portion having a generally spherical-shaped resilient shell, a pocket disposed in the ball portion and defining an opening in the ball portion, and a handle extending from a first point on an inner surface of the pocket to a second point on the inner surface of the pocket. In some embodiments, the fitness ball further includes an impact-absorbent filler material disposed in an inner cavity defined by the resilient shell and the pocket. In other embodiments, the fitness ball includes one or more gel inserts embedded in the pocket to cushion impact of a user's hand with the pocket. In other embodiments, the pocket is adhered to the resilient shell by an adhesive disposed between an interfacing portion of the resilient shell and a corresponding lip of the pocket which overlaps the interfacing portion of the resilient shell.

Abstract: A small golf swing training tool has the same weight balance as that of a golf club and can easily confirm the orientation of the club face during training. A golf swing training tool includes a grasping part made of a rod-shaped member, a weight part made of a plate-like (plate-shaped) member surrounding both ends of the grasping part, and an insertion hole required to allow to grasp the grasping part between the grasping part and the weight part. The grasping part is not arranged at the weight center of the weight part.

Abstract: The present disclosure provides a wrist training device. The wrist training device includes a handle, a central shaft, an adjusting device, and two counterweight wheels. The handle is sleeved on the central shaft. The central shaft includes a thick end and a thin end. One of the two counterweight wheels is fixedly connected to the thick end of the central shaft. Another one of the two counterweight wheels is rotatably connected to the thin end of the central shaft. A hollow groove is arranged on an end surface of the thin end of the central shaft. A plurality of limiting grooves are disposed on a circumferential surface of the thin end of the central shaft. Each counterweight wheels is of an eccentric structure. The adjusting device is arranged on the thin end of the central shaft and arranged in the other counterweight wheel.

Abstract: A exercise equipment includes a weight bar, a plurality of weight plates slidably coupled at two ends portions of the weight bar from two free ends thereof respectively, and a weight bar stopper built-in at each of the end portions of the weight bar to increase a peripheral size of the weight bar at the end portion thereof to block the weight plate being slid out of the free end of the weight bar. When the weight bar stopper is actuated to adjust the peripheral size of the weight bar back to its original size, the weight plate is allowed to be slid in and out the end portion of the weight bar.

Abstract: An adjustable dumbbell assembly includes a dumbbell mechanism having two or more weight members engaged in a receptacle, and a handle bar engaged between the weight members, two catches slidably engaged in the handle bar and extendible out and engageable with the weight members for detachably attaching the weight members to the handle bar, two followers slidably engaged in the receptacle and each having a protrusion for engaging with the catches and for moving the catches to engage with the weight members, and for detachably attaching the weight members to the handle bar, and an actuating member engaged with the followers for actuating the followers to move the catches to engage with the weight members.

Abstract: A multipurpose exercise device is provided. The device includes features which allow the device to exhibit self-stabilizing features. The device includes a weighted body characterized by at least three substantially-loop-shaped handles which have dimensions and arrangements that are effective to cooperatively urge the device into one of several predetermined self-stabilizing rest positions. The rest positions are characterized by engagement portions of two of the provided handles resting against a support surface, while an elongated device bore extending along a center axis of the device is maintained in a substantially-horizontal orientation. The device may be stored safely in a variety of arrangements, including on a rack typically used for dumbbell storage.

Abstract: A dumbbell assembly includes a base seat having two receiving areas, two weight units respectively received in the receiving areas, and a dumbbell. Each weight unit includes a plurality of weight blocks each having at least one engaging hole. The dumbbell includes a handle, and two weight adjustment modules each including an insertion base, and a plurality of engaging units each including a drive component mounted on the handle, and at least one insertion pin connected to the drive component. The handle is rotatable relative to the weight adjustment modules to drive each engaging unit to move between an engaging state and a disengaging state.

Abstract: An adjustable dumbbell device includes two weights engageable to a receptacle, and a handle mechanism includes a handle bar having two end housings, two tubular members are engaged between the housings and offset from each other and each include a bore for slidably receiving and engaging with a latch, the latches are extendible out of the tubular members for engaging with the weights and for retaining the weights to the housings, and two spring biased knobs are attached to the latches for actuating the latches to engage with the weights respectively. The tubular members each include a groove communicating with the bore of the tubular member for slidably engaging with the spring biased knob.

Abstract: Exercise device for a sporting device, including at least a fixed structure and a movable element and optionally a mass hanging from the movable element, wherein: a) the fixed structure, extending at least partially longitudinally along an axis X, is connectable by way of an end portion to a portion of a rod of the sporting device, this structure including at least one limit stop positioned at the free end or between the free end and the movable element, and b) a movable element connectable to the fixed structure and adapted to carry out at least a sliding translation movement with respect to the fixed structure along the axis X.

Abstract: Aspects of the present disclosure involve an attachment system that combines a fitness mat to another fitness related accessory. The accessory attachment attaches to a fitness mat but is not limited to such attachment. The fitness accessory attachment may include an apparatus with internal weights. The fitness accessory may have detachable and adjustable handles with a removably adjustable and slidable attachment mechanism. The provided handle caps can be removed for various reasons such as using connecting pieces or adding weight to the interior of the handles. Fitness bands or any training tools available can run through the fitness accessory apparatus' core and connect to the attachment mechanism provided on the handles for training use. This system also provides compaction for travel and ease of portability.

Abstract: A system includes a handle with a hinge mechanism at a first end, the hinge mechanism including a lower hinge portion and an upper hinge portion rotatably coupled together. The handle also includes a rotary mechanism positioned at the first end and coupled to the lower hinge portion to enable circumferential movement of the lower end portion about a longitudinal axis of the handle. Additionally, a sensor arrangement is positioned within a body of the handle, the sensor arrangement measuring a number of rotations of the rotary mechanism about the longitudinal axis of the handle.

Abstract: Example travel exercise equipment includes a barbell including a first end portion and a second end portion and a pair of yokes. Each yoke includes a base and a pair spaced-apart yoke arms extending from the base. The bases being adapted to be coupled to a corresponding end portion of the barbell. The travel exercise equipment includes a pair of containers having handles adapted to be carried by a corresponding yoke.

Abstract: Weight-adjustable dumbbell having a handle bar and two weight plate holders each connected to one end of the handle bar, and the dumbbell is capable of changing its weight by simply rotating the handle relative to the weight plate holders to one of the predetermined positions corresponding to various weights.

Abstract: Exercise devices, systems, and methods are disclosed. One exercise device includes weights, a shell assembly, and a base assembly. The shell assembly has a shell defining an interior sized to receive the weights. The shell assembly also has a shaft coupled for rotation relative to the shell. When the weights are received within the interior of the shell, rotation of the shaft relative to the shell selectively couples the shaft with one or more weights. The base assembly has a base configured to support the weights. The base assembly also has a driver configured to be coupled to the shaft when the shell assembly is supported by the base. The driver of the base assembly is configured to rotate the shaft relative to the shell when the driver is coupled to the shaft to selectively couple the shaft with the one or more weights.

Abstract: An ergonomic grip for strength conditioning has a grip body composed of three adjoined, progressively larger oblate spheroids. The major and minor diameters of the spheroids and their spacings combine to form invected surfaces at the junctions of first and second and second and third spheroids. These invected surfaces admit curved fingers of a grasping hand to provide a secure grip while eliminating a common problem of the little finger (4th finger) of the hand being crushed or discomforted. A central shaft passes through the grip body and includes an attachment affordance at one protruding end, and is coupled to a washer at the other end. A central cavity in the grip body allows the spheroids to compliantly conform to the inner concavities of an individual user's palm for increased comfort and positive grip. They eyebolt may also swivel to align itself to a connected cable during use.

Abstract: A barbell collar. The barbell collar may have a plate and at least two weight bars, a first weight bar and a second weight bar. The plate may comprise a barbell engagement portion, a heavy arm and a light arm. The heavy arm weighs more than said light arm. The barbell engagement portion is configured to engage with a barbell. Each of the at least two weight bars may be attached to each of the at least two arm portions of the plate. The at least two weight bars may be adapted to engage and hold one or more weights.

Abstract: A training aid for weighlifting includes a shaft, a first grip area extending from a left end of the shaft towards a midpoint of the shaft, a second grip area extending from a right end of the shaft towards the midpoint of the shaft, wherein the first and second grip areas include a non-slip material, one or more rings located at the midpoint of the shaft, and wherein the one or more rings generate an audible sound when rotated about the shaft, stoppers affixed to the shaft between the grip areas and the one or more rings, wherein the stoppers are configured to prevent the one or more rings from moving towards the grip areas, and wherein when a user lifts the training aid and the one or more rings graze the user, the one or more rings rotate about the shaft and generate the audible sound.

Abstract: Jump rope handles are described. In an embodiment, a speed rope includes a handle having a head rotationally coupled to a grip to rotate about a first axis, and a rope hinge rotationally coupled to the head. The rope hinge has a single degree of freedom relative to the head, and the single degree of freedom can be rotation of the rope hinge about a second axis. The rope hinge may include a cylindrical outer surface mounted in a pivot hole of the head to constrain movement of the rope hinge to rotation about the second axis. Accordingly, a rope held by the rope hinge can pivot about the second axis while simultaneously swinging around the first axis. Other embodiments are also described and claimed.

Abstract: The present disclosure relates to a resistance training exercise device that includes a frame; a holder coupled to the frame, the holder defining a lever channel for receiving a forearm of a user; the holder and the frame configured to rotate with the forearm about an elbow relative to an upper arm when the user is performing a rotary resistance training exercise; and a weight support for receiving one or more weights thereon, the weight support fixed to the frame and spaced apart from the holder in a direction selected to maintain, throughout the resistance exercise, an angle between the upper arm and the weight support that is greater by a constant value than an angle between the upper arm and the lever channel.

Abstract: The method for engaging a person's sensorimotor complex includes providing a pair of lightweight sticks of equal length and weight; measuring a shoulder width from a first shoulder blade acromion of the person to a second shoulder blade acromion of the person; selecting from the plurality of devices a first lightweight stick and a second lightweight stick each having a length approximately equal to the width from the first shoulder blade acromion of the person to the second shoulder blade acromion of the person; grasping the first and second lightweight sticks with a respective first and second hands at a grasping position along the stick that is one shoulder width from a distal end of the stick; swinging the first and second hands back and forth between a first position and a second position; and walking while swinging the first and second hands back and forth.

Abstract: A running device and method of using the device are disclosed. The device may include a moveable material within an inner chamber of the running device's housing. In operation, a running device may be held in each hand and the runner may thrust both hands downward prior to landing and quickly bring the devices to a vertical stop after landing. Bringing the devices to a vertical stop may cause the moveable material to collide with the housing and increase the force exerted by the runner on the ground. A delay component may delay the peak force exerted by the material against the housing so that the translation of that force to the ground coincides with the peak force that the runner would have exerted against the ground in the absence of the devices.

Abstract: Exercise systems that include self-coupling weight pods that couple with one another to form weight clusters that a user can use in performing various body movements, such as exercise and conditioning movements. Each weight pod typically has a calibrated weight so that the user may know the amount of weight they are using. Each weight pod includes one or more coupling features that allow that weight pod to couple to one or more other weight pods and/or to an accessory, such as a strap. In some embodiments, each weight pod is soft so as to inhibit injury to a user of another close by the user. The weight pods can be used with one or more accessories, such as a strap, a bell bag that emulates a kettle bell, and a rucksack that can be configured to be a multifunctional component of an overall exercise system, among others.

Abstract: A sports dumbbell comprises a grip section (2), which runs along a grip shaft (L1), and a support shaft (L2) of a support section (3) spaced apart from the grip section (2) perpendicular to and running parallel to the grip shaft (L1). The support section is connected at at least one end to the grip section (2). The sports dumbbell has a center of gravity (S) which is arranged within the support section (3). A distance (d2) between the grip shaft (L1) and the support shaft (L2) is at least 11 cm, and an external shape of the sports dumbbell forms a closed annular body or open annular body.

Abstract: A system, and method, for training athletes to increase power is provided in a flexible barbell for enhancing weight lifting exercises. The flexible barbell has an elongated shape comprising ends. At least one flexible bar may be included when an elongated shape with a center is used. Weights are attached to the shape near the ends. The shape bends relative to a tangent to the center in response to the center of the flexible barbell being moved.

Abstract: An exercise device and methods for using the exercise device. The exercise device is a spherical structure having a rigid surface and an opening therein for the user's hand to grasp a handle affixed in the center of the spherical structure. A series of exercises may be performed with the exercise device, including push-ups, rows and swings.

Abstract: An aqua resistance dumbbell comprises a tubular wall that provides a bore for receiving a user's hand from each end of the bell. A rod is located within the bore and extending laterally across the bore to be gripped by a user with one or both hands from one or both ends of the bore. The dumbbell has a plurality of longitudinal fins extend along the tubular wall on an outer side of the tubular wall, and at least one lateral fin that extends laterally at least part way around the tubular wall. An aqua resistance fin assembly comprises two fin components and at least one fastening member for fitting the fin components to a user's limb in a side-by-side configuration around the limb. Each fin component comprises a base adapted to fit against a user's limb and adapted to be secured to the user's limb by the fastening member, and at least two longitudinal fins and at least one lateral fin on an outer side of the base.

Abstract: An exercise apparatus includes a pair of handle elements and a pair of housing elements. Each handle element includes a manually grippable bar and a base portion having a substantially spherical contact surface. Each housing element is substantially hemispherical and has a substantially central window. Each handle element is releasably locatable within a housing element to form a substantially hemispherical handle body in which the contact surface of the handle element is located within the window of the housing element and provides a contact point about which the housing body is rotatable when located on a support surface.