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Unformatted text preview: joints to form a lever system. force is acting to rotate tle_bone around the joint. ,At aneles ffeater tla4 90 de.qrges. the magnitude of the rotatio-nal component of the muscle pull force deercases-while the magnitude of the slabjliz__rlgcomponent of the force .increases. . In summary,_fu-ee*&g are: . .4#$peed of shortening. A$The initial length of the muscle fibers. *"!. .The angle of pull of the muscle on the bony skeleton. Length - Tension Curve For An Isolated Muscle...
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- Fall '09