Answer:
Extension: Produced by the sartorius and quadriceps femoris group of muscles.
Flexion: Produced by the biceps femoris, semitendinosus, and semimembranosus muscles.
Explanation:
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These tests are listed in order of increasing rigor. The PAR-Q is a written assessment that predicts one's readiness for exercise. The other three require the help of a health professional to complete. ... Finally, the exercise stress test is designed to test the response of the body while exercising vigorously
