Abstract: A swing lag training device having a collar for reversible attachment to a shaft near a golf club head; an arm band for attachment above an elbow of an arm of a user; a spooling device attached to the arm band with a cord that connects the spooling device to an attachment port near the golf club head; the spooling device adapted to: 1) retract cord into the spooling device during a back swing; and 2) provide a set of audible sounds as cord is unwound as the golf club head is moved in a forward swing so that a user can train to concentrate the set of audible sounds in a late portion of in the forward swing and thus maintain swing lag during an early portion of the forward swing. The training device can be adapted for training to swing other implements beyond golf clubs.

Abstract: A putting training device includes a fixing hub including a shaft retainer combined with a putter shaft; a first rotary support and a second rotary support coupled to the block part at both sides of the putter shaft, respectively; a first support bar having an upper end supposed to be held in an underarm of a user and the other end rotatably coupled to the first rotary support; a second support bar having an upper end supposed to be held in the underarm of the user and the other end rotatably coupled to the second rotary support; and an angle adjuster coupled to the first support bar and the second support bar over the first rotary support and the second rotary support to be able to adjust an angle between the first support bar and the second support bar.

Abstract: The present invention relates to a golf swing training aid rod for teaching a golfer the proper golf swing and arm control for execution a golf stroke. In particular, the golf swing training aid rod includes an elongated shaft having a reference tip located at a first end of the elongated shaft and an attachment member located at a second end of the elongated shaft, and an axilla support member having an axilla side, an inner bicep side, and an attachment receiving member, the attachment receiving member is coupled to the attachment member of the elongated shaft, the axilla support member is configured to be inserted and held in place between an inner bicep and an axilla member of the golfer, and the golf swing training aid rod provides the visual and tactile feedback to the golfer while executing the golf stroke.

Abstract: A golf swing improvement tool is provide that attaches to a golf club, and includes a guide arm contacting the leading forearm of a golfer. An offset arm allows the guide arm to be offset laterally from the longitudinal axis of the golf club. The user adjusts the offset distance to give a specific leading arm-to-club relationship. If the club moves ahead of the desired relationship with the leading arm during the swing, the user will be alerted to this error by the guide arm loosing contact with the forearm.

Abstract: A sequence training bat that separates a pair of hands of a batter when training so that the batter feels the proper sequence of hand and arm movements. The training bat has a barrel connecting through a crosspiece to a handle for a bottom hand to grip and parallel to the bat handle, a rod for a top hand to grip. The rod connects to the bat by the crosspiece. Vibrations resulting from hitting a ball are minimized when they travel down the barrel to the crosspiece where they are horizontally dispersed, allowing better and instant feedback to the batter without any confusion caused by vibrations. Each hand grips a different part of the training bat so that the sequence training bat can provide immediate and separate feedback to each hand. The sequence training maintains a balanced feel.

Abstract: A putting trainer that teaches a golfer to practice a repetitive putting stroke while maintaining the golfer's hands and arms connected to the golfer's core torso body portion. The trainer teaches the golfer to eliminate excessive use of the hands and arms by synchronizing the movement of the putter with the golfer's spine and core body structure. The trainer uses a core attached yoke, a connector coupling the yoke to a putter and a visual indicator for the golfer to determine the relationship of the putter to the golfer's core.

Abstract: An exercise bar for use when exercising, such as while walking, running, jogging, stretching, or the like. The exercise bar device includes a U-shaped frame having a pair of handles extending from opposing sides thereof. The user can position his or her body in the opening defined by the U-shaped frame while holding the frame in various positions with the handles located on side of the user. Each handle is further configured to removably receive a weighted plate thereon for providing additional resistance. In some embodiments, the exercise bar includes an audio unit adapted to allow the user to play music or other audio while exercising. The U-shaped frame further includes a storage compartment, one or more lights, a panic alarm, and a pedometer, depending upon the embodiment.

Abstract: A golf swing training aid having opposing concave pads suitable for being positioned between the legs of a user and comprising an attachment mechanism attached to the training aid that secures an alignment apparatus.

Abstract: An aspect of the invention relates to a golf swing analyzing apparatus, comprising: a first arithmetic section operating to use an output from a first inertial sensor and an output from a second inertial sensor to calculate a first energy amount, the first inertial sensor being attached to a portion of an upper body of a golfer, the second inertial sensor being attached to a golf club, the first energy amount being generated in the upper body of the golfer; a second arithmetic section operating to use the output from the first inertial sensor and the output from the second inertial sensor to calculate a second energy amount transferred to the golf club from the upper body of the golfer; and a processing section calculating an energy transferring ratio of an energy transferred from the upper body of the golfer to the golf club based on a ratio of the second energy amount to the first energy amount.

Abstract: A golf swing/putting trainer includes a support member including a body shaped like a plate or shaft and having a supporting wall for stopping against the user's body, and a handle including a shaft connected at one end thereof to the center of the body of the support member and having a handhold portion for holding by the user's both hands. Thus, the user can hold the handle with the two hands to abut the supporting wall of the support member against the abdomen, and then twist the waist to practice the backswing and swing actions. Alternatively, the user can hold the handle with the two hands and attach the two lower arms to the two bearing portions of the support member to practice the putting action.

Abstract: An impact training device for a sports device. The training device includes an elongate rod, a handle engagement element and a handle connector joining the handle engagement element to the elongate rod. The elongate rod is radially displaced from a handle of the sports device when the handle engagement element is engaged to the handle of the sports device.

Abstract: A knob simulating device that can be affixed to a sporting good, such as a baseball bat. The knob simulating device encircles the shaft of the baseball bat and is made up of a plurality of components that mate together to surround and encase the entire periphery of the bat shaft. Each of the component parts has a hard exterior portion and a resilient interior portion for contacting and conforming to the circular outer surface of the baseball bat. The resilient interior portion is generally cylindrical and may have one or more deformable projections that retain the device along the circular outer surface of the baseball bat. There may be a plurality of deformable projections in the form of annular rings that can be angled so as to securely retain the knob simulating device in the desired location along the shaft of the baseball bat.

Abstract: A golf swing training aid intended for practice use by a golfer as a removable attachment to a standard golf club. The training aid comprises a specially adapted clamp assembly for releasable attachment to the grip of the golf club, a handle member projecting rearward from the clamp assembly, and a bowed guide arm member extending forwardly from the clamp assembly and further engaging the grip so that the guide arm projects between the forearms of the golfer when his hands are positioned normally upon the grip. The clamp assembly comprises a deployable crown assembly of flexible finger members mounted in a radial configuration and fitted to move into and from within a collar housing in such a fashion as to selectively engage and release the grip end of the golf club.

Abstract: A golf training aid including a generally C-shaped base which snap-fits around the grip of a golf club. A single arm angles downwardly and forwardly away from a top end of the base. A contoured support is provided at the end of the arm which contacts the golfer's wrist and this support substantially prevents the golfer's wrist from breaking, i.e., bending, during the playing of a shot, particularly a chip shot. The arm is adjustable in length and is movable between retracted and extended positions to enable the golfer to customize the training aid to suit his or her body. The training aid assists in keeping the golfer's shoulders and arms in the correct orientation relative to each other to more effectively and consistently play chips shots.

Abstract: A golf-swing training device is provided which has a straight shaft with first and second ends and a central handle. The device further includes first and second heads secured to the first and second ends of the shaft, respectively. The first head has a front surface facing a first direction and an outer edge pointing in a direction 90° from the direction the first front surface of the first head faces. The second head has a front surface facing a second direction, opposite the first direction, and an outer edge pointing in a direction 90° from the direction the front surface of the second head of the second head faces and opposite the direction that the outer edge of the first head points.

Abstract: A golf swing instructional device for training a golfer comprises an attachment portion having a first portion adapted to be positioned at the shaft of a golf club and a second portion adapted to be connected to two guide supporting elements. The first and second supporting elements have each a contact surface to be in contact with one or the other forearm of the practicing golfer. The two supporting elements are extending from the club contacting portion, wherein the first portion comprises a reception to accommodate the shaft of a golf club and fixation means to fix the first portion around the shaft of the club. The two guide supporting elements each comprise a first straight portion, a second straight portion and a bent connecting portion in-between.

Abstract: A golf training aid including a generally C-shaped base which snap-fits around the grip of a golf club. A single arm angles downwardly and forwardly away from a top end of the base. A contoured support is provided at the end of the arm which contacts the golfer's wrist and this support substantially prevents the golfer's wrist from breaking, i.e., bending, during the playing of a shot, particularly a chip shot. The arm is adjustable in length and is movable between retracted and extended positions to enable the golfer to customize the training aid to suit his or her body. The training aid assists in keeping the golfer's shoulders and arms in the correct orientation relative to each other to more effectively and consistently play chips shots.

Abstract: A golf club grip extension and chipping training aid comprising a tubular grip extension having a central bore sized to accommodate the grip and shaft of a standard golf club such that said golf club can be inserted into said grip extension and secured. The grip extension can be removably attached by means of a slotted and threaded grommet that fits over the club shaft and screws into threading at the bottom of the grip extension. The club with the grip extension is a chipping training aid that allows a golfer to practice a chip shot with the grip extension pressed against the body to teach the chip shot without movement of the wrists.

Abstract: A golf swing training aid intended for practice use by a golfer as a removable attachment to a standard golf club. The training aid comprises a specially adapted clamp assembly for releasable attachment to the grip of the golf club, a handle member projecting rearward from the clamp assembly, and a bowed guide arm member extending forwardly from the clamp assembly and further engaging the grip so that the guide arm projects between the forearms of the golfer when his hands are positioned normally upon the grip. The clamp assembly comprises a deployable crown assembly of flexible finger members mounted in a radial configuration and fitted to move into and from within a collar housing in such a fashion as to selectively engage and release the grip end of the golf club.

Abstract: A golf swing training device for achieving a proper overall address position and for executing a proper golf swing, including setting the proper deviation of the wrists, setting the angular orientation between the shaft longitudinal axis and spine longitudinal axis as viewed from the side of the golfer, and for maintaining this deviation and angular orientation during the first part of the backswing. Held in fixed relation to the grip of the club is a member connected to a second flexible member that contacts the underside of the leading forearm when the golfer achieves a predetermined deviation of the wrist in the address position and during the first part of the backswing.

Abstract: A pendulum putting trainer, comprising: a main shaft provided with a handle at one end thereof and a putter head at the other end thereof, the putter head having a striking face and a non-striking face opposite to the striking face; and an auxiliary shaft having a first shaft portion provided with an abutting member at an upper end thereof and a second shaft portion provided with a joining member that connects with the non-striking side of the putter head of the main shaft at a lower end thereof, the auxiliary shaft being arranged obliquely such that it has an included angle with respect to the main shaft; wherein a connecting member is disposed at a location where the first shaft portion and the second shaft portion are connected; and wherein the first shaft portion is hollow and the second shaft portion can move relatively within the first shaft portion and the connecting element, so that a length of the auxiliary shaft can be adjusted to make the auxiliary shaft abut against the user and thereby to help th

Abstract: A training device properly develops a sports equipment swing, particularly for golf equipment, to counter an overpowered back-swing that results in an uncontrolled out-of-plane downswing. The device may comprise a strap having one end secured to a latch plate, and the other end securable to a latch that releasably receives a portion of the latch plate. At least one bungee cord may have one end attached to the strap at a position relative to the latch, being approximately 4-12 inches displaced therefrom. The other bungee cord end may have a cinching device located thereon to adjustably secure the bungee cord therein to engage a golf club shaft or shaft of a sports racquet, bat or stick. The bungee cord may comprise first and second cord portions being joined together, where the first cord portion has a low elastic modulus, and the second cord portion a high elastic modulus.

Abstract: A golf putting-training device attachable to a golf club having a deformable rod member that is be shaped into a triangular configuration with a rod insert end then placed into a rod receptacle affiliated with a golf club fastener element forming a spaced apart triangular guide from said golf club wherethen the user forms a similar triangle extending from their hands, through the arms and between the shoulders and uses the guide to identify unwanted joint flexure or rotation during a putt thereby enabling corrective action.

Abstract: Wireless golf club shot count system configured to obtain spatial data from at least one sensor that is coupled with a microcontroller wherein the apparatus fits into a golf club handle or weight port or otherwise couples to a golf club. The apparatus may send a unique identifier and spatial data over a self-contained radio and antenna wirelessly to an external system that may analyze and display the spatial data in a user-friendly manner. The unique identifier and/or radio through use of non-interfering communications mechanisms allows for multiple clubs one or more players to be within range of a wireless receiver and not interfere. Adapters that may be specific to each golf club manufacture allow for coupling the apparatus to any type of golf club.

Abstract: A putting training apparatus having a frame, a handle on the frame to be gripped by a user to perform a putting stroke, a putter head on the frame for striking a golf ball, and a stabilizer assembly on the frame. The stabilizer assembly is engageable with a user's frontal region with the putting training apparatus operatively positioned to maintain a user's arms braced consistently relative to each other and the handle with the user's hands gripping the handle in a manner to perform a putting stroke.

Abstract: An instrumented golf club system and methods are disclosed. A variety of golf swing parameters are measured by the instrumented golf club and wirelessly transmitted to a portable computer device. The portable computer device generates a user interface that displays the golf swing parameters against preferred golf swing parameters. The instrumented golf club system allows a golfer to receive feedback in real time while playing golf.

Abstract: An instrumented golf club system and methods are disclosed. A variety of golf swing parameters are measured by the instrumented golf club and wirelessly transmitted to a portable computer device. The portable computer device generates a user interface that displays the golf swing parameters against preferred golf swing parameters. The instrumented golf club system allows a golfer to receive feedback in real time while playing golf.

Abstract: A dynamic swing-aid device used to improve the golfer's swing action. It also reduces potential risk of swing injuries to golfers. The upper portion of this device is the wrist channel that fits over the forearm and allows the swing correction to occur. The lower part of the device is the handle guide that keeps the shaft of the golf club in the proper position with the clubface square to the target. This wrist swing-aid device is constructed of rigid material, and shaped to fit and support the club handle and to help the golfer's grip and swing motion. Its shape has a locating feature to lock in the top of club's handle. The sponge padded wrist channel has a self-adjusting feature to accommodate player's forearm size. The wrist channel upper portion may rest against the leading forearm to maintain a consistent swing motion and prevent wrist-hinging action during the club swing.

Abstract: A golf club includes a shaft with a length, a distal end, and a proximal end separated from the distal end by the length. A hand grip is disposed along the length and an arm-securing attachment is coupled to the proximal end of the shaft and has a substantially spiral-shape with a spiral direction away from the proximal end of the shaft. A club face is coupled to the distal end of the shaft.

Abstract: A golf swing training device to aid a golfer in keeping their wrists in a proper position throughout a golf swing includes a golf club grip clip, an adjustable spacer rod, and a wrist strap. The wrist strap includes an adjustable and securable fabric strap which engages the golfer's wrist. The wrist strap is affixed to the length adjustable spacer rod which is in turn attached to the grip clip. The grip clip engages the grip end of the golf club such that the golfer's wrists are confined to a predetermined distance and angle during a golf swing for purposes of training. The device may be used singularly or as a pair, if desired, to allow for simultaneous training of both wrists.

Abstract: A T-shaped golf instructional tool adapted to fit over the grip end of a conventional or belly-type putter for the purpose of teaching a proper putting stroke and improving consistency. An attach bar is fixed to a putter grip using hook and loop fastened straps. The attach bar extends above the putter between the user's forearms, where two horizontal rods are fixed to the attach bar at a common junction. The horizontal rods provide feedback to the user and ensure his or her forearms, wrists and arms stay positioned together through the putting stroke. The horizontal rods align perpendicular to the putter face, allowing alignment of the shoulders and feet relative to the intended target. The attach bar can be adjusted out of plane relative to the putter swing path to accommodate different user geometry and proper posture over the ball.

Abstract: An adjustable arching arm attaches to a top portion of a golf club such that the adjustable arching arm is generally in alignment with a club face. The adjustable arching arm is adjustable in a generally vertical plane to accommodate chip shots and full swings. In a chipping mode, the adjustable arching arm is in a lower position and is intended to maintain contact with an inside of the left forearm (of a right handed golfer) through a chip shot thereby training the golfer to hold his (or her) hands in the correct position through a chip shot. In a full swing mode, the adjustable arching arm is adjusted to an upper position such that the adjustable arching arm is able to move from inside of the left forearm to outside of the left forearm during the swing to indicate good hand position.

Abstract: A T-shaped golf instructional tool adapted to fit over the grip end of a conventional or belly-type putter for the purpose of teaching a proper putting stroke and improving consistency. An attach bar is fixed to a putter grip using hook and loop fastened straps. The attach bar extends above the putter between the user's forearms, where two horizontal rods are fixed to the attach bar at a common junction. The horizontal rods provide feedback to the user and ensure his or her forearms, wrists and arms stay positioned together through the putting stroke. The horizontal rods align perpendicular to the putter face, allowing alignment of the shoulders and feet relative to the intended target. The attach bar can be adjusted out of plane relative to the putter swing path to accommodate different user geometry and proper posture over the ball.

Abstract: The invention relates to a golf training aid comprising a frame, having retaining means, and a bar retained by the retaining means so that in use the bar can move only in a fixed plane. The bar is arranged to be coupled to a user in such a way that in use the user's shoulders are constrained to move in or parallel to the fixed plane. This allows a user to correctly learn a pendulum putting stroke.

Abstract: A golf putting trainer may be utilized in combination with a golf putter to: a) position the putter face perpendicular to the shoulder line; b) provide a visual aid to set the shoulders parallel to the perceived putt line; c) train a golfer to execute a putting stroke by moving the shoulders, arms, hands, and putter in a synchronized motion around the stroke axis or upper spine; d) provide a visual aid to monitor the motion of the shoulders on-plane. The golf putting trainer may include an adjustable clamp, which can slide up and down the putter shaft to accommodate golfers of various sizes, a main shaft attached to the adjustable clamp, and a shoulder alignment guide attached to the main shaft that allow equal pressure to be applied against both shoulders of a golfer.

Abstract: A putting training apparatus having a frame, a handle on the frame to be gripped by a user to perform a putting stroke, a putter head on the frame for striking a golf ball, and a stabilizer assembly on the frame. The stabilizer assembly is engageable with a user's frontal region with the putting training apparatus operatively positioned to maintain a user's arms braced consistently relative to each other and the handle with the user's hands gripping the handle in a manner to perform a putting stroke.

Abstract: A swing training device which positively prevents a player's wrists from uncocking until a desired point the swing is reached.

Abstract: A golf swing formation aid has a resilient cushion sandwiched between two additional resilient cushions, with sleeves to receive the arms of a golfer holding a golf club to provide between the arms a predetermined spacing during a swing of the golf club by the golfer. A differential in the resilience of the cushions allows for accommodation of the movement of the arms during the swing while maintaining the predetermined spacing. The cushions have different degrees of resilience.

Abstract: The invention relates to a golf training aid comprising a frame, having retaining means, and a bar retained by the retaining means so that in use the bar can move only in a fixed plane. The bar is arranged to be coupled to a user in such a way that in use the user's shoulders are constrained to move in or parallel to the fixed plane. This allows a user to correctly learn a pendulum putting stroke.

Abstract: One embodiment of a golf training aid that provides a visual and physical reference as to the correlational relationship between a golfers' hand-placement on a golf club and the face of the golf club at impact to provide means for the golfer to hit a straight golf shot or to shape a golf shot. Utilizing a rear sight guide (10) and a front sight (14) attached to an alignment guide rail (12) and a flexible joint or hinge (16), the gauging apparatus provides physical reference for the golfers' hand-placement and a visual reference to desired target lines. Other embodiments are described and shown.

Abstract: A golf training apparatus is used in combination with a golf putter to train a golfer to execute a putting stroke keeping the golfer's core in the same relative position to the golfer's hands. The apparatus includes a parabolic shaped yoke member having an arcuate inner edge for engagement across the lower torso of a golfer. An adjustable length connector member connects the yoke member to the golf putter.

Abstract: A golf club includes a shaft with a length, a distal end, and a proximal end separated from the distal end by the length. A hand grip is disposed along the length and an arm-securing attachment is coupled to the proximal end of the shaft and has a substantially spiral-shape with a spiral direction away from the proximal end of the shaft. A club face is coupled to the distal end of the shaft.

Abstract: Golf club head 2 is provided including face member 4, crown member 6, sole member 8 and recessed part 10. The recessed part 10 is provided around the sole member 8. The recessed part 10 has a maximum height Hm of equal to or greater than 10 mm. The projected area S1 of the sole member 8 projected on the reference plane accounts for 40% or more and 65% or less of the projected area S2 of the crown member 6 projected on the reference plane. The head 2 is hollow. Preferably, the maximum angle ?m formed between the margin F1 of the recessed part 10 and the sole edge E1 in proximity thereto is equal to or greater than 45 degrees. Preferably, the curvature radius of the sole face in a toe-heel direction is 9.0 cm or greater and 11.5 cm or less. Preferably, the head 2 has a volume of 400 cc or more and 500 cc or less.

Abstract: A golf training apparatus is used in combination with a golf putter to train a golfer to execute a putting stroke keeping the golfer's core in the same relative position to the golfer's hands. The apparatus includes a parabolic shaped yoke member having an arcuate inner edge for engagement across the lower torso of a golfer. An adjustable length connector member connects the yoke member to the golf putter.

Abstract: A multi-functional golf swing training apparatus includes first and second arm braces that are adapted to be removably attached to user forearms respectively. A first mechanism is provided for pivotally mating the first arm brace to the second arm brace such that the first and second arm braces simultaneously pivot about a first axis. Such a first mechanism can be selectively toggled between unlocked and locked positions such that a desired angle is adjustably and fixedly defined between the first and second arm braces during the golf swing motion respectively. Further, a second mechanism may be provided for resiliently articulating the first and second arm braces about a second axis registered orthogonal to the first axis such that the first and second swivel mounts independently reciprocate along mutually exclusive arcuate paths adjoining the first and second arm braces respectively.

Abstract: A golf swing instruction aide adopted for attachment to the shaft of a golf club to measure or control the amount of wrist cock of the golfer during the golf swing. The aide includes first and second arcuate members one of which is adopted to be affixed to the shaft of a golf club and the other of which is movable to the first arcuate member and includes indicia to show the amount of relative movement and further includes apparatus to restrict relative movement to a desired amount.

Abstract: A golf training aid comprised of a telescopic rod mounted on an adjustable bracket and a generally spherical end member mounted on the rod. The bracket adjusts to fit over the end of the grip of a golf club and is held in place by a band around the bracket. The rod is adapted to be extended and shortened as a means to adjust the length of the device. The distance of the end member from the grip is adjusted so that the end member contacts the midsection of a golfer when he assumes his putting stance and is positioned outside the golfer's body when used for chipping. The portion of the end member which contacts a golfer's body has relatively low friction so that the end member moves relative to the body if the proper putting stroke is not used. The telescopic rod of the device is not meant to contact the golfer's body when used for chipping and will come in contact with the golfer's body when an improper chipping motion is used.

Abstract: A golf swing training apparatus. The apparatus includes a mounting bar with an extendable length arm stabilizer extending outwardly from the mounting bar and terminating in a headrest. A swing cam is rotatable around the arm stabilizer about an axis coaxial with the arm stabilizer. A guideline extends from the swing cam and terminates in a golf club connector so that the swing cam rotates with movement of the golf club. Additionally, a pair of adjustable length guide rods extends from the mounting bar.

Abstract: A swing training device which positively prevents a player's wrists from uncocking until a desired point the swing is reached.

Abstract: A method and apparatus for determining the efficiency of an athlete's body movement is disclosed. With particular reference to the sport of golf, the present invention relates to measuring the ground reaction forces of a golfer during a golf swing. The ground reaction forces may be resolved into a single value. At the same time, the dynamic characteristics of the golf club are also measured, including the golf club head velocity. Comparing the single value to the club head velocity allows the golfer's efficiency to be determined. The efficiency may be used for a wide variety of purposes, including fitting golf equipment, technique improvement, and fitness assessment.