ACSM Personal Trainer

Category - Exercise Programming and Implementation

Which of the following is not a physiologic effect of the warm-up stage of exercising?
  1. Increased muscle temperature
  2. Increased oxygen transfer from blood to working muscles
  3. Increased muscle viscosity
  4. Increased muscular enzyme activity
Explanation
Answer: C - Increased muscle viscosity is not a physiologic effect of a warm-up. Rather, muscle viscosity is decreased during the warm-up. The other choices are all effects of the warm-up and also increased elasticity of muscles and connective tissues.
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