During progressive muscle relaxation, muscles should be tightened to about ____ percent of the total possible tension.

A. 20
B. 40
C. 60
D. 80
E. 100


Answer: C

Health & Biomechanics

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Select the key term most associated with the description below. Each term is used only once.

A. substances produced by the white blood cells in response to an invading agent B. negative or harmful stress under which health and performance begin to deteriorate C. positive stress D. a series of physical responses activated automatically in response to environmental stressors E. a theoretical model that explains the body's adaptation to sustained stress F. a natural state of equilibrium G. immune system cells responsible for waging war against disease or infection H. the instinctive set of psychological and physiological changes a body goes through to prepare a person to cope with a stressor I. a stress hormone also known as adrenaline J. a stress hormone that when produced steadily over time can lead to insomnia

Health & Biomechanics

Symptoms of an ear infection include __________.

a.  Complete loss of hearing b.  Mental confusion and headache c.  Slowed pulse and low blood pressure d.  Pain, tenderness, difficulty hearing, fever

Health & Biomechanics

Lice are commonly found exclusively in lower socioeconomic groups

Indicate whether the statement is true or false

Health & Biomechanics

Pertaining to above the kidneys: supra__________

Fill in the blank(s) with correct word

Health & Biomechanics