A 45-year-old man goes to the local gym to lift weights. He begins by bench-pressing 130 pounds as a warm-up procedure and then gradually increases the weight. Which of the following sets of changes occurs as he adds more weight?
$\begin{array} { l l l } & \underline{\text { Activation of Motor Units } }&\underline{ \text { Frequency of Motor Nerve Action Potentials} } \ \text { A. } & \text { Decreased } & \text { Decreased } \ \text { B. } & \text { Decreased } & \text { Increased } \ \text { C. } & \text { Decreased } & \text { No change } \ \text { D. } & \text { Increased } & \text { Decreased } \ \text { E. } & \text { Increased } & \text { Increased } \ \text { F. } & \text { Increased } & \text { No change } \end{array}$

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The Answer of A 45-year-old man goes to the local gym to lift weights. He begins by bench-pressing 130 pounds as a warm-up procedure and then gradually increases the weight. Which of the following sets of changes occurs as he adds more weight?
$\begin{array} { l l l } & \underline{\text { Activation of Motor Units } }&\underline{ \text { Frequency of Motor Nerve Action Potentials} } \ \text { A. } & \text { Decreased } & \text { Decreased } \ \text { B. } & \text { Decreased } & \text { Increased } \ \text { C. } & \text { Decreased } & \text { No change } \ \text { D. } & \text { Increased } & \text { Decreased } \ \text { E. } & \text { Increased } & \text { Increased } \ \text { F. } & \text { Increased } & \text { No change } \end{array}$

A 45-Year-Old Man Goes to the Local Gym to Lift