Basic Biomechanics
Basic Biomechanics
7th Edition
ISBN: 9780073522760
Author: Susan J Hall
Publisher: McGraw-Hill Education
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Chapter 6, Problem 9IP
Summary Introduction

To determine: The force exerted by biceps.

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ney: Load (L) = 5 kgs = Effort E = Fulcrum Weight of forearm = 1.8 kgs L = Load Biceps brachii muscle Distance of load from elbow joint = 35 cm %3D Effort (E) = contraction of biceps brachii Distance of center of mass of forearm from elbow = 17 cm Distance of tendon from elbow = 4 cm A) Draw the free-body diagram to represent the forces and moments Load (L) = weight of object plus forearm B) Write the torque equation for static equilibrium Fulcrum (F) = elbow joint
If the muscle fiber is stretched to 150% of muscle length and thentechnically stimulated, what would be the total force measured?
Hill's equation gives a relation between muscle contraction rates νν and muscle tension TT (T+α)(ν+β)=(T0+α)β(T+α)(ν+β)=(T0+α)β for positive parameters αα and ββ and resting tension T0T0. Rewrite the equation so that the contraction rate is a function of tension.
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