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