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Unformatted text preview: of x from its equilibrium position, u ( x ) the population distrubution function for crossbridge displacements from equilibrium, v is the velocity of shortening of a half-sarcomere, V is the macroscopic velocity of shortening of the muscle, N is the number of sarcomeres along the length of the muscle, and P is the force at the end of the muscle. U = Z - u ( x ) dx < 1 P = n Z - p ( x ) u ( x ) dx v = V 2 N n (1-U ) = n Z A x u ( x ) dx + vn u ( x ) v du dx = u u ( x ) = e ( x-A v ) v ( + ) P = v ( + ) Z A- n p ( x ) e ( x-A v ) dx p ( x ) = p 1 ( e x-1 ) P = n p 1 + ( e A-1 )-( v ) 1 + v P = n X i =1 p ( x ( i ))...
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- Fall '07