Choose best answer 1. Over the entire range of joint motion during contraction,
ID: 300651 • Letter: C
Question
Choose best answer
1. Over the entire range of joint motion during contraction, isokinetic contractions involve constant:
a. speed
b. tension
c. muscle length
d. both a and b
2. Which of the following always occur(s) when a skeletal muscle contracts under physiological conditions?
a. The muscle develops tension.
b. The muscle changes in length.
c. ATP is broken down to make energy available.
d. Both a and c.
3. "Size of a motor unit" refers to the:
a. total cross-sectional area of muscle fibers in the motor unit
b. size of the alpha motor neuron
c. number of muscle fibers in the motor unit
d. average diameter of the muscle fibers in the motor unit
Explanation / Answer
1. Over the entire range of joint motion during contraction, isokinetic contractions involve constant:
a. speed
2. Which of the following always occur(s) when a skeletal muscle contracts under physiological conditions?
d. Both a and c.
3. "Size of a motor unit" refers to the:
c. number of muscle fibers in the motor unit