CPC A63B 21/15 (2013.01) [A63B 21/005 (2013.01); A63B 21/22 (2013.01); A63B 21/157 (2013.01); A63B 2220/833 (2013.01)] | 20 Claims |
1. An exercise machine, comprising:
a central unit having a gear; and
an arm, wherein the arm includes:
a female member that engages the gear at a proximal end of the arm, wherein advancing the female member along the gear enables rotation of the arm about an axis of freedom, and wherein the female member engages the gear to maintain the arm at a fixed angle; and
a locking mechanism that prevents the female member from disengaging from the gear.
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