NBPTS AYA PE Practice Questions - NBPTS Physical Education Early Adolescence Through Young Adulthood (Component 1 Content Knowledge) Exam

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A student performs a plank and maintains a stable trunk without visible movement. What type of muscle action is most emphasized by the abdominal muscles?

Isometric contraction Concentric contraction Ballistic contraction Passive contraction

Correct Answer:

Isometric contraction

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