Final answer:
A cool-down routine helps muscles return to their resting length and overcome soreness and stiffness.
Step-by-step explanation:
A cool-down routine helps overcome soreness and stiffness in muscles, allowing them to return to their resting length. It is an important part of any exercise session as it helps the body gradually transition from a state of exertion to a state of rest. During a cool-down, exercises that involve stretching and gentle movements can be performed to gradually lower heart rate and circulation while promoting muscle recovery.
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