Occupational Health And Injury Prevention Practice Exam

Cold water immersion aids recovery mainly through vasoconstriction. When you sit in ice-cold water for a short period, blood vessels constrict, which reduces blood flow to the injured area, helps limit swelling and edema, and lowers metabolic demand in the tissues. This combination can lessen inflammation and soreness and can speed up the return toward normal function. The statement that describes sitting in ice-cold water for about 5-10 minutes, causing vasoconstriction, reducing swelling, and aiding recovery, best captures how this method works in practice. Warm water would have the opposite effect, promoting vasodilation and potentially increasing swelling rather than reducing it. Saying ice baths increase swelling or tissue breakdown isn’t consistent with how cooling is used for recovery, and claiming there’s no effect on recovery ignores the physiological reasons cold immersion is used to manage inflammation and discomfort.