Jorge tried to pick up his sofa but discover that it is much heavier than he expected. What must occur in the muscle to increase tension so he can pick up this heavy piece of furniture?

A) pliometric contraction B) isotonic eccentric contractions
C) recruitment of additional motor units D) tetanic spasm


Answer: C

Anatomy & Physiology

You might also like to view...

What is the main nutrient needed in order to synthesize thyroid hormone?

a. iodine b. iron c. glucose d. protein e. tyrosine

Anatomy & Physiology

Which of the following arteries is not a branch of the aortic arch?

A. Brachiocephalic trunk B. Left common carotid artery C. Right common carotid artery D. Left subclavian artery E. All of these are branches of the aortic arch.

Anatomy & Physiology

The skeletal muscle fiber type most resistant to fatigue is the slow ________ fiber.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Answer the following statements true (T) or false (F)

1. Somatic sensory receptors receive information from the skin about touch, pain, and temperature. 2. Visceral sensory receptors receive information from internal organs. 3. Special sensory receptors receive information in the eyes, ears, nose, and mouth. 4. A somatic motor neuron controls skeletal muscle. 5. A somatic motor neuron controls smooth and cardiac muscles.

Anatomy & Physiology