Reidar, I'm Almost Reaching Your Level |
Reidar, I'm Almost Reaching Your Level |
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#1
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![]() ٩(͡๏̯͡๏)۶ ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Staff Alumni Posts: 14,309 Joined: Nov 2004 Member No: 65,593 ![]() |
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#2
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![]() Vae Victis ![]() ![]() ![]() ![]() ![]() ![]() Group: Official Member Posts: 1,416 Joined: Sep 2006 Member No: 460,227 ![]() |
Machines are a waste.
"When the movement is constrained, the performer may exert force in a direction different from the direction of motion and still perform the task. The actual constraints - the tangible physical obstacles to movement - may completely change joint torques. Consequently, different muscle groups may act when body motion is free or is actually (physically) constrained. In particular, when working on strength exercise machines, the direction of the end-point force and the joint torques may be quite distinct from what is observed in lifting or holding free weights. This is detrimental for athletes whose immediate goal is performance improvement." -Vladimir Zatsiorsky |
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