Question

5. What is Muscle Contraction ?​

Answer 1

Answer:

Contractions can have causes that aren't due to underlying disease. Examples include normal pregnancy, natural labour, orgasm or menstruation.

Answer 2

Explanation:

Muscle contraction is the activation of tension-generating sites within muscle fibers. ... A muscle contraction is described as isometric if the muscle tension changes but the muscle length remains the same. In contrast, a muscle contraction is isotonic if muscle tension remains the same throughout the contraction.