A nurse at a health care facility is suggesting the use of isometric exercise to a client. What is the major purpose of isometric exercise?
A) To prevent ankylosis
B) To promote cardiorespiratory conditioning
C) To increase lean muscle mass
D) To maintain flexible joints
C
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Isometric exercise consists of stationary exercises generally performed against a resistive force. Isometric exercises increase muscle mass, strength, and tone and define muscle groups. Although they improve blood circulation, they do not promote cardiorespiratory function. The nurse should suggest isotonic exercises in order to maintain cardiorespiratory conditioning and increase lean muscle mass. Passive exercises help to maintain flexible joints. Isometric exercise is not primarily intended to prevent ankylosis.
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