CanFitPro Personal Training Specialist Practice Test

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How does stretching a tight muscle help its weak antagonist?

  1. By increasing its blood flow

  2. By reducing its size

  3. By allowing it to contract with more strength and power

  4. By decreasing its flexibility

The correct answer is: By allowing it to contract with more strength and power

Stretching a tight muscle helps its weak antagonist by allowing it to contract with more strength and power. When a muscle is tight, it means that it is shortened and cannot extend to its full length. This puts the antagonist muscle in a disadvantage, making it weaker. Stretching the tight muscle helps to lengthen it, allowing it to contract with more strength and power. Option A is incorrect because increasing blood flow is not directly related to the strength of a muscle. Option B is incorrect because reducing the size of a muscle would make it even weaker. Option D is incorrect because stretching actually increases flexibility, not decreases it.

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