Kin 121
Terms
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- Slow twitch____________________ to reach peak
- 110 millisec
- Slow twitch Innervates approx. _____ muscle fibers
- 100
- Fast twitch ______ milliseconds to reach peak
- 50 millisec
- Fast twitch Innervates approx. _____ muscle fibers
- 500
- fast / slow twitch fiber distribution: Non athletes ___ % of each
- 47 - 50%
- fast / slow twitch fiber distribution:Distance athletes ______ % slow twitch
- 70 - 80%
- fast / slow twitch fiber distribution: Sprinters ___% slow twitch fibers
- 30 - 35%
- Approximately _____ the human body is potential energy reserve.
- 1/2
- A 65 kg person with 13% body fat could endure forced starvation for_____ days resting quietly
- 40-50 days
- A 65 kg person with 13% body fat could endure forced starvation for _____ days of minimal activity
- 10 -12 days
- Stored phosphocreatine Lasts less than _____ seconds
- 10 sec
-
Stored phosphocreatine (PC)
______X as much stored in muscle as ATP - 3 X
- Stored phosphocreatine Recovery: ____ full
- 3 min
- Stored phosphocreatine Recovery: _____ 1/2 recovery
- 30 sec
- Anaerobic Glycolysis Provides energy as long as stores remain: _______
- 20 seconds to 3 minutes
- Anaerobic Glycolysis yields ___ ATP per glucose molecule.
- 2 ATP
- Oxidative (Aerobic) production of ATP: About _____ mitchondria per cell - increased with training
- 300 mitchondria
- _______ X more ATP per unit of glycogen as anaerobic (= _____ATP)
- 18 X = 36 ATP
- The 3 “energy systems†10s: Aerobic ____%, Anaerobic ____ %
- 10 %, 90%
- The 3 “energy systems†30s: Aerobic ____%, Anaerobic ____ %
- 20 %, 80%
- The 3 “energy systems†60s: Aerobic ____%, Anaerobic ____ %
- 30 %, 70%
- The 3 “energy systems†2m: Aerobic ____%, Anaerobic ____ %
- 40 %, 60%
- The 3 “energy systems†10m: Aerobic ____%, Anaerobic ____ %
- 85 %, 15%
- The 3 “energy systems†30m: Aerobic ____%, Anaerobic ____ %
- 95 %, 5%
- Increases in aerobic system due to: Number, size & efficiency of mitochondria increased: up to ________%)
- 250%
- Increases in aerobic system due to: Increase glycogen stores: up to ______%
- 200%
- Increases in aerobic system due to: Capillaries increase: _____%
- 5-15%
- Increases in aerobic system due to: Myoglobin increases: up to _______%
- 80%
- Increases in aerobic system due to: Increased triglyceride (fat) stored in muscle cells (up to _____%) & increased use of fat.
- 150%
- Products of Glycolysis: ____ ATP, ______ pyruvic acid, ______ lactic acid
- 2,2,2 molecules of each