ANSC 330 Exercise Physiology I

Water or recycled to glucose in liver kidney and

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Unformatted text preview: 70 60 50 40 30 20 10 0 400m QH Race 1000m 1600m TB Race 3200m 1600m 3200m SB Race Day 2 80 km Ride 3 DE Endurance 17 Time to Exhaust Fuel Stores VO2max: max. capacity of body to transport and use oxygen during exercise, reflects physical fitness • 60% = endurance • 90% = four-star three day event steeplechase speed • 120% = flat race Marlin and Nankervis, 2002 Generating Energy for Work ATP required for muscle contraction Carbohydrates and fat primary fuel sources Aerobic metabolism of carbs and fats requires O2 Anaerobic metabolism of carbs occurs in the absence of O2 Contribution of ATP generated from aerobic vs anaerobic depends on level of exercise and training 18...
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