13.06 · Énergie du mouvement

Energy of movement

SMB4 Systèmes physiologiques 2 Locomotion, activité physique · 66 pages

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Energy of Movement

1Energy of Movement 2Teaching Schedule 3Links with Other Courses 4Learning Objectives 5Programme Overview

Molecular Energy Consumption

6Muscle Fiber Structure 7Excitation-Contraction Coupling 8Muscle Force Determinants 9Force–Velocity Relationship 10Fatigue and Potentiation 11ATP as Usable Energy

Metabolism of Movement and Exercise

34Section Transition 35Cellular–Pulmonary Respiration Coupling 36Measuring Energy: VO₂ as ATP Estimate

37First Law of Thermodynamics 38Direct Calorimetry 39Indirect Calorimetry Introduction 40VO₂ and VCO₂ Formulas 41Respiratory Exchange Ratio (RER)

Cardiopulmonary Exercise Testing

42CPET Components 43CPET Protocol 44CPET Lab Setup 45CPET Video Example

Exercise Transitions

46Rest-to-Exercise Transition 47Oxygen Deficit

Aerobic vs Anaerobic ATP

48Shifting Contributions over Time 49Anaerobic Sources at Exercise Onset 50% Aerobic/Anaerobic by Sport

Exercise Transitions

51EPOC (Excess Post-Exercise O₂)

Mechanical Quantities

52Force and Work 53Force, Work, and Power 54Power = Force × Speed

VO₂ Max and Efficiency

55VO₂ Max Definition 56Mechanical Efficiency (η ≈ 25%)

Energy Cost of Walking

57Energy Cost Formula 58Optimal Walking Speed (~5 km/h)

Lactate Metabolism

59Lactate Dehydrogenase (LDH)60Lactate Destinations 61Lactate Threshold

62Fuel Choice by Intensity 63Fuel Choice by Duration 64Fuel Sources over Hours

Energy of Movement

65References 66Closing Slide

13.06Page 1Energy of Movement

Énergie du mouvement page 1

13.06Page 2Energy of MovementTeaching Schedule

Énergie du mouvement page 2

13.06Page 3Energy of MovementLinks with Other Courses

Énergie du mouvement page 3

13.06Page 4Energy of MovementLearning Objectives

Énergie du mouvement page 4

13.06Page 5Energy of MovementProgramme Overview

Énergie du mouvement page 5

13.06Page 6Molecular Energy ConsumptionMuscle Fiber Structure

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13.06Page 7Molecular Energy ConsumptionExcitation-Contraction Coupling

Énergie du mouvement page 7

13.06Page 8Molecular Energy ConsumptionMuscle Force Determinants

Énergie du mouvement page 8

13.06Page 9Molecular Energy ConsumptionForce–Velocity Relationship

Énergie du mouvement page 9

13.06Page 10Molecular Energy ConsumptionFatigue and Potentiation

Énergie du mouvement page 10

13.06Page 11Molecular Energy ConsumptionATP as Usable Energy

Énergie du mouvement page 11

13.06Page 12Cellular Bioenergetics (ATP Production)Section Transition

Énergie du mouvement page 12

13.06Page 13Cellular Bioenergetics (ATP Production)Mitochondria in MuscleTwo Mitochondrial Populations

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13.06Page 14Cellular Bioenergetics (ATP Production)Mitochondria in MuscleMitochondrial Functions

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13.06Page 15Cellular Bioenergetics (ATP Production)Cellular Respiration Overview

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13.06Page 16Cellular Bioenergetics (ATP Production)Energy Supply–Demand Regulation

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13.06Page 17Cellular Bioenergetics (ATP Production)Redox Reactions and CarriersOxidation-Reduction Basics

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13.06Page 18Cellular Bioenergetics (ATP Production)Redox Reactions and CarriersNAD⁺/NADH and FAD/FADH₂

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13.06Page 19Cellular Bioenergetics (ATP Production)Fuels for MovementThree Energy Substrates Overview

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13.06Page 20Cellular Bioenergetics (ATP Production)Fuels for MovementCarbohydrates and Glycogen

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13.06Page 21Cellular Bioenergetics (ATP Production)Fuels for MovementLipids and Triglycerides

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13.06Page 22Cellular Bioenergetics (ATP Production)Fuels for MovementProteins

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13.06Page 23Cellular Bioenergetics (ATP Production)ATP Production PathwaysThree ATP Sources Overview

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13.06Page 24Cellular Bioenergetics (ATP Production)ATP Production PathwaysPhosphocreatine System

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13.06Page 25Cellular Bioenergetics (ATP Production)ATP Production PathwaysPhosphocreatine Depletion

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13.06Page 26Cellular Bioenergetics (ATP Production)ATP Production PathwaysGlycolysis Overview

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13.06Page 27Cellular Bioenergetics (ATP Production)ATP Production PathwaysMuscle Glucose Sources

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13.06Page 28Cellular Bioenergetics (ATP Production)ATP Production PathwaysGlycolysis Steps in Detail

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13.06Page 29Cellular Bioenergetics (ATP Production)Oxidative SystemGlycolysis → Krebs → ETC

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13.06Page 30Cellular Bioenergetics (ATP Production)Oxidative SystemATP Yield per Glucose

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13.06Page 31Cellular Bioenergetics (ATP Production)Oxidative EfficiencyGlucose Efficiency Formula

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13.06Page 32Cellular Bioenergetics (ATP Production)Oxidative EfficiencyGlucose Efficiency ≈ 40%

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13.06Page 33Cellular Bioenergetics (ATP Production)Oxidative EfficiencyPalmitate Efficiency ≈ 40%

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13.06Page 34Metabolism of Movement and ExerciseSection Transition

Énergie du mouvement page 34

13.06Page 35Metabolism of Movement and ExerciseCellular–Pulmonary Respiration Coupling

Énergie du mouvement page 35

13.06Page 36Metabolism of Movement and ExerciseMeasuring Energy: VO₂ as ATP Estimate

Énergie du mouvement page 36

13.06Page 37Metabolism of Movement and ExerciseCalorimetryFirst Law of Thermodynamics

Énergie du mouvement page 37

13.06Page 38Metabolism of Movement and ExerciseCalorimetryDirect Calorimetry

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13.06Page 39Metabolism of Movement and ExerciseCalorimetryIndirect Calorimetry Introduction

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13.06Page 40Metabolism of Movement and ExerciseCalorimetryVO₂ and VCO₂ Formulas

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13.06Page 41Metabolism of Movement and ExerciseCalorimetryRespiratory Exchange Ratio (RER)

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13.06Page 42Metabolism of Movement and ExerciseCardiopulmonary Exercise TestingCPET Components

Énergie du mouvement page 42

13.06Page 43Metabolism of Movement and ExerciseCardiopulmonary Exercise TestingCPET Protocol

Énergie du mouvement page 43

13.06Page 44Metabolism of Movement and ExerciseCardiopulmonary Exercise TestingCPET Lab Setup

Énergie du mouvement page 44

13.06Page 45Metabolism of Movement and ExerciseCardiopulmonary Exercise TestingCPET Video Example

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13.06Page 46Metabolism of Movement and ExerciseExercise TransitionsRest-to-Exercise Transition

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13.06Page 47Metabolism of Movement and ExerciseExercise TransitionsOxygen Deficit

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13.06Page 48Metabolism of Movement and ExerciseAerobic vs Anaerobic ATPShifting Contributions over Time

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13.06Page 49Metabolism of Movement and ExerciseAerobic vs Anaerobic ATPAnaerobic Sources at Exercise Onset

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13.06Page 50Metabolism of Movement and ExerciseAerobic vs Anaerobic ATP% Aerobic/Anaerobic by Sport

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13.06Page 51Metabolism of Movement and ExerciseExercise TransitionsEPOC (Excess Post-Exercise O₂)

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13.06Page 52Metabolism of Movement and ExerciseMechanical QuantitiesForce and Work

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13.06Page 53Metabolism of Movement and ExerciseMechanical QuantitiesForce, Work, and Power

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13.06Page 54Metabolism of Movement and ExerciseMechanical QuantitiesPower = Force × Speed

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13.06Page 55Metabolism of Movement and ExerciseVO₂ Max and EfficiencyVO₂ Max Definition

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13.06Page 56Metabolism of Movement and ExerciseVO₂ Max and EfficiencyMechanical Efficiency (η ≈ 25%)

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13.06Page 57Metabolism of Movement and ExerciseEnergy Cost of WalkingEnergy Cost Formula

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13.06Page 58Metabolism of Movement and ExerciseEnergy Cost of WalkingOptimal Walking Speed (~5 km/h)

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13.06Page 59Metabolism of Movement and ExerciseLactate MetabolismLactate Dehydrogenase (LDH)

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13.06Page 60Metabolism of Movement and ExerciseLactate MetabolismLactate Destinations

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13.06Page 61Metabolism of Movement and ExerciseLactate MetabolismLactate Threshold

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13.06Page 62Metabolism of Movement and ExerciseFuel SelectionFuel Choice by Intensity

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13.06Page 63Metabolism of Movement and ExerciseFuel SelectionFuel Choice by Duration

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13.06Page 64Metabolism of Movement and ExerciseFuel SelectionFuel Sources over Hours

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13.06Page 65Energy of MovementReferences

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13.06Page 66Energy of MovementClosing Slide

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