The laments overlap opbmally and the sarcomere

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Unformatted text preview: Cross SecGonal Area of muscle.  ­ Muscle tension is determined by frequency of acBon potenBals  ­ Muscle tension reaches a maximum at an opBmal middle length  ­Velocity and force are inversely proporGonal  ­ContracGons can be isometric, isotonic, eccentric or concentric Muscle tension Muscle tension can be split into two types: AcGve tension  ­ caused by muscles acGvely shortening Passive tension  ­ caused by stretching This experiment muscles were set to three different lengths The muscle was contracted and total tension was measured AcGve tension is highest at the resGng length Passive tension and total tension are highest at 1.5 resGng length. Total tension is lowest at .5 resGng length P0 Muscle tension Muscle tension changes as sarcomere length change...
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This note was uploaded on 01/19/2014 for the course PCB 3712 taught by Professor Leighty during the Winter '09 term at University of South Florida - Tampa.

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