| CPC A63B 21/0058 (2013.01) [A63B 21/4035 (2015.10); A63B 21/4047 (2015.10); A63B 2225/09 (2013.01)] | 14 Claims |

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1. A weight training machine, comprising:
a central console including a motor;
an arm having a length attached on either side of the central console by a joint that allows rotation of the arm in a substantially vertical plane; and
a cable routed from the motor through the arm to a distal end of the arm wherein the cable terminates at an attachment point;
wherein the arm comprises an outer section and an inner section arranged to telescope in a manner that changes the length of the arm; and
wherein the arm includes a control for unlocking telescoping, wherein telescoping of the arm is locked when a component coupled to the control is in a hole in the inner section, wherein in response to activation of the control by a user, the component is lifted from the hole in the inner section, unlocking the outer section from the inner section, wherein the component comprises a wheel, and wherein the wheel rolls along a track of the inner section when telescoping the arm.
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