Scuba Diving International (SDI) AFS 270 Practice Test

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Which of the following is among the most effective means of relieving a leg cramp once it has occurred?

Grasp the fin tip of the affected leg and pull towards you while straightening the leg. This stretches the calf muscle.

When a leg cramp hits, the quickest way to relieve it is to stretch the muscle. For a calf cramp, lengthening the calf by straightening the knee and pulling the toes up toward the shin directly reduces the involuntary contraction. Grasping the fin tip of the affected leg and pulling toward you with the leg kept straight accomplishes this stretch, helping the muscle relax and the cramp subside. In the water, stop the current kicking motion, stay calm, and gradually apply the stretch; light massage can help after the cramp eases, and rehydration or electrolyte intake can prevent future occurrences. Changing kicks or being towed back don’t address the immediate spasm, so they aren’t as effective for relief.

Change to a different style of kick.

Have a buddy tow you back to the boat or shore.

None of the above.