The speed of contraction of skeletal muscle is related to:
A) The oxidative capacity of the skeletal muscle fiber.
B) The myosin adenosine triphosphatase (ATPase) activity of the skeletal muscle fiber.
C) The level of β-adrenergic stimulation.
D) The rate of Ca++ extrusion from the skeletal muscle fiber.
E) The level of myosin light-chain phosphorylation within the muscle fiber.
Correct Answer:
Verified
Q1: Stretching a skeletal muscle beyond rest length
Q2: Relaxation of skeletal muscle after contraction requires:
A)Ca++
Q4: Malignant hyperthermia is a hereditary disorder that
Q5: The ability to develop increasing levels of
Q6: Endurance training typically increases:
A)Ca++ influx into the
Q7: The force of contraction of skeletal muscle
Q8: In the absence of extracellular Ca++,an action
Q9: During intense exercise,fatigue of skeletal muscle occurs
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