Circular muscles that surround openings and function to close them upon contraction are:
A. multipennate.
B. radiate.
C. sphincter.
D. unipennate.
C. sphincter.
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Which of the following assessment techniques is considered the most accurate?
A. skinfold thickness B. hydrostatic weighing C. girth measurements D. bioelectric impedance E. air displacement
Johan decides to stop eating at fast food restaurants at lunchtime and to pack a healthy lunch instead. This behavior change is an example of __________.
Fill in the blank(s) with the appropriate word(s).
Regular exercise
A) reduces the flow of oxygen to the brain. B) deprives the brain of nutrients. C) improves concentration. D) increases stress.
Isometric contractions increase strength throughout the full range of motion of any given joint.
Answer the following statement true (T) or false (F)