This preview shows page 1. Sign up to view the full content.
Unformatted text preview: (2) lactic acid type of fatigue Light submaximal exercise ATP source varies with exercise or activity duration (1) Sprinter (100-m dash) - anaerobic (a) + phosphogens (b) + O2 stores (c)- total ATP demand, very low b/c short duration (2) A mile race- ATP demand > a+b+c = 25~50% total ATP demand- aerobic metabolism (slow) b slower speed (3) Marathon- ATP demand very high (a+b+c = 2-3% total demand)- aerobic dependency, very high...
View Full Document
- Spring '09