초록 ▼

An exercise machine (10) and method for testing and exercising the lumbar muscles of a user or patient (P) while in a secured seated position on a seat (20) by the user exerting a rearward force against a back pad (32) on a pivoted movement arm (30) is described. The user (P) is positioned on seat (

An exercise machine (10) and method for testing and exercising the lumbar muscles of a user or patient (P) while in a secured seated position on a seat (20) by the user exerting a rearward force against a back pad (32) on a pivoted movement arm (30) is described. The user (P) is positioned on seat (20) with feet on a horizontal plate (82) and tibias restrained against upward movement by thigh pads (72). Upward vertical movement of platform (80) relative to pads (72) secures the user (P) tightly on the machine (10) and permits a limited rocking movement of the pelvis during exercising as shown at (D) in FIG. 12. A strain gauge (172) anchored at one end (176, 178) to the fixed support frame (14) is mounted for connection to a pulley wheel (132) for static testing and for disconnection from pulley wheel (132) during the exercise mode.

대표청구항 ▼

An exercise machine (10) for exercising lumbar muscles of a seated user comprising: a seat (20) on which a user is seated for operation of the machine; a movement arm (30) mounted for pivotal movement with a horizontal shaft (38, 36) and having an upper back pad (32) thereon for contact with the bac

An exercise machine (10) for exercising lumbar muscles of a seated user comprising: a seat (20) on which a user is seated for operation of the machine; a movement arm (30) mounted for pivotal movement with a horizontal shaft (38, 36) and having an upper back pad (32) thereon for contact with the back of the user for pivoting of the movement arm in a rearward direction by the user exerting force against the back pad; means (131) operatively connected to said movement arm to provide a predetermined resistance against pivoting of said movement arm by said user in a rearward direction; a lower back pad (26) mounted for relative movement on said machine for contact with the lower back of the user adjacent the pelvis; a generally horizontally extending lower platform (80) for supporting the feet of the user with the tibias extending in a generally vertical direction; an adjustable leg restraint device (60, 72) positioned over the thighs adjacent the knees of the user and generally over said platform for restraining the knees and tibias against vertical movement with at least a portion of said leg restraint device extending forwardly beyond said seat; manually actuated means (74, 68, 62) operatively connected to said leg restraint device to permit selective vertical adjustment of said leg restraint device relative to said seat and the thighs of the user; means mounting said platform (90) for vertical movement relative to said leg restraint device after positioning of the feet of a user on the platform beneath said leg restraint device with the tibias being in a vertical position; and manually actuated means (122, 118, 116, 114, 112, 110) operatively connected to said mounting means to permit selective upward vertical movement of said platform relative to said leg restraint device for exerting a compressive force against the tibias between said platform and said leg restraint device while permitting movement of the pelvis and simultaneous movement of said lower back pad during exercising.