Apparatus and method for testing and exercising lumbar muscles

Details Apparatus and method for testing and exercising lumbar muscles Apparatus and method for testing and exercising lumbar muscles

1992-03-19

1993-12-14

Bahr, Robert

Exercise devices

User manipulated force resisting apparatus, component...

Having common force transmitting support frame for user and...

482100, 482137, 482908, A63B 2100

Patent

active

052697380

ABSTRACT:
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.

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