What is NOT true regarding increasing force production by a muscle Almost all motor units in the extensor digitorum communis are recruited starting at 8 Hz motor units recruited at low forces tend to drop out when force output becomes higher twitch contraction time progressively gets slower with greater force production in order to increase force from 0 to 100\% MVC, small muscles recruit new motor units up to 50\% MVC, whereas large muscles recruit new motor units up to 80\% MVC
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Which of the following is a way in which the body can increase force production ? None of the above All of the above Increased rate of motor unit firing Increasing the number of active motor units Increasing the size of the muscle
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