Multiple Choice
As you are lifting a box, someone places extra weight on top of it. For your muscle to continue contracting and lifting the box, the muscle must
A) recruit more muscle fibers.
B) lower its threshold.
C) reduce its wave summation.
D) shift from isometric to isotonic contraction.
E) shift from slow-twitch to fast-twitch mode.
Correct Answer:
Verified
Correct Answer:
Verified
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