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Lecture 12 - Kin 110-Lecture#12 February 22nd 2010 No...

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Kin 110-Lecture #12 February 22 nd , 2010 No question that increasing dietary CHO will increase muscle glycogen Less EVIDENCE that increasing dietary CHO enhances performance Are there alternatives to starting with high glycogen? Consuming carbohydrate DURING exercise 30 years of studies on CHO intake and performance Majority of the studies target endurance performance . 1. What is a general definition of “endurance” exercise? Any exercise task that involves continuous (nearly continuous) activity and lasts for more than 10 minutes o >3000m run o X-country ski o Speed Skate >1500m o >500m swim o 2000m row o o 2. What is “maximal aerobic capacity (VO2max)? o “Aerobic capacity” or “cardio respiratory fitness” depends on the ability of the heart to DELIVER oxygen and muscles to USE it. Maximum volume consumed-VO 2 max Endurance athletes have high VO 2 max. There is a large capacity to deliver blood and the muscles have many mitochondria .
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