2019 MR max Determined by Physiological Limitations Time Energy ATP stores PCr

2019 mr max determined by physiological limitations

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© 2019 MR max Determined by Physiological Limitations Time Energy ATP stores PCr stores (phosphocreatine) Anaerobic glycolysis Aerobic metabolism
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© 2019 Recovery Time Energy
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© 2019 Measuring E of Activity We can measure metabolic rate in the lab for runners/swimmers/fliers
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© 2019 Measuring Locomotion 1. Mass-Specific Metabolic Rate Energy required to move 1 unit mass of an organism As velocity increases, how much energy does it take to move each gram? 2. Cost of Transport (CoT) Energy required to move 1 unit mass of an organism 1 unit distance As velocity increases how much energy does it take to move each gram one kilometer?
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© 2019 MR max Scales with Mass absolute mass-specific MRmax Mass Mass Scale Linear Log
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© 2019 Metabolic Scope Log MR Log Mass ectotherms and endotherms Metabolic scope: ratio between MRsust and RMR
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© 2019 Factors Affecting E Activity Inertial forces increase with mass Drag is the force generated in the opposite direction of an animal’s movement by the density/viscosity of the medium Drag forces increase with mass and velocity
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© 2019 Running
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© 2019 Mass Affects Runners Time Rate of E expenditure per unit mass Velocity
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© 2019 Velocity Affects Runners As velocity increases, limbs move faster
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  • Spring '14
  • Topic 10, Locomotion, Reid

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