Which of the Following Statements Is True Regarding Pre-Competition Warm-Up

Multiple Choice

Which of the following statements is true regarding pre-competition warm-up?

A) Benefits of warm-up include elevated body temperature,which increases muscle pH.
B) Benefits of warm-up include elevated body temperature,which decreases enzymatic reactions.
C) Warm-up causes both physiological and psychological changes that are beneficial to performance.
D) To be effective,warm-up activities must be identical to the performance.