Your athlete is working on core strength and is performing an exercise known as a plank. In this exercise, they are stabilized in a face down position where their weight is supported on their elbows and toes, and their body is in straight alignment like a plank of wood. Which type of muscle contraction is being performed in this position?

A. Isokinetic
B. Concentric
C. Eccentric
D. Isometric


Answer: D

Health & Biomechanics

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An abnormal tube-like passage is called a:

A) fistula. B) fissure. C) diverticulum. D) polyp.

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Which of the following is not true of the fibularis longus, brevis, or tertius?

A) innervated by deep fibular nerve B) resists inversion of the foot C) plantarflexes ankle D) attaches to the first metatarsal E) attaches to the calcaneus

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Avoiding extreme fatigue and warming up before exercise may help prevent strains

Indicate whether the statement is true or false

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Which of the following is a major problem that has hindered research into hypnosis?

a. The hypnotic state for one individual may be quite different from that of another individual. b. Some people can be put into a trance state more easily than others. c. Hypnosiscanresultinveryrealistichallucinations. d. There is no simple definition of exactly what it means to be hypnotized

Health & Biomechanics