COLD WINTER TRAINING TIP. Energy to fuel your muscles for a workout comes from glycogen stores. During exercise in the cold, muscles may require more energy at a faster rate, leaving you vulnerable to fatiguing quicker. This is the case if you start shivering—involuntary muscle contractions—or if you exert yourself harder, perhaps by not resting or taking breaks. Both are forms of increased metabolic heat production and are meant to offset heat loss by generating heat, and the more muscles recruited the more glycogen stores diminish, all while your workout still requires and uses substantial glycogen stores. What this means to you: Glycogen stores come primarily from carbohydrate consumption, which means you need ample carbs before, during and after workouts in the cold or fatigue could hit faster than youd like. If enough energy is exerted, you could be more tired than usual for the rest of the day. Note: That roughly 30-minute window after training is especially important to refuel muscles, as it aids in a faster recovery. Also important: Dont allow shivering to get out of control. This is a sign of hypothermia setting in, and its best to stop training and get warm if thats the case.
Posted on: Tue, 03 Dec 2013 10:29:03 +0000
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