Force generation but the fiber lengthening is called: __________?
Correct answer: B. Ecentric contraction
- A. concentric contraction
- B. Ecentric contraction
- C. Isotonic contraction
- D. Isometric contraction
Explanation
An eccentric contraction produces force while the muscle is lengthening, such as the quadriceps controlling the lowering phase of a squat. A concentric contraction shortens the muscle, whereas an isometric contraction changes tension without changing length.
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