In the Exercise of Slow Leg Raising and Lowering in a Supine

question 13

Multiple Choice

In the exercise of slow leg raising and lowering in a supine lying position, what is the function of the abdominal muscles during the lowering phase and what type of contraction is involved?

• A) controlling extension of legs--eccentric contraction
• B) stabilizing the pelvis--static contraction
• C) tilting the pelvis backward--concentric contraction
• D) tilting the pelvis forward--concentric contraction

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Definitions:

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Construct Validity

The extent to which a test measures what it claims to be measuring, indicating the accuracy of the construct it represents.

Operational Definitions

Observable operations, procedures, and measurements that are based on the independent and dependent variables.