
Science of Survival: Frozen Alive
Outside Podcast
00:00
The Pre-Shivering Response to Cold
The lack of insulating fat over your muscles allows the cold to creep that much closer to your warm blood. At 95 degrees, you've entered the zone of mild hypothermia. You're now trembling violently as your body attains its maximum shivering response. By the time you push off downhill, your muscles have cooled and tightened so dramatically they no longer contract easily. And once contracted, they won't relax.
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