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Today’s Topic: Physical Incapacitation. Physical incapacitation is when you’ve become physically helpless in the water because you can no longer control your arms, legs, hands and feet. This happens in 10 minutes in waters of 50 to 60 degrees.
When cold water cools your muscles and nerves:
What this means:
In these conditions, wearing a lift jacket will help you stay afloat until help arrives.