CONTRACTION Neuromuscular Junction Motor End Plate

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CONTRACTIONNeuromuscular Junction Motor End
Plate

• Motor neuron
• Neurotransmitter
• ACETYLCHOLINE
• Motor unit

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Excitation-Contraction CouplingSliding Filament
Theory

• T Tubules
• Calcium
• Myofilaments
• POWER STROKE
• Regulation

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ATP Sources

• Skeletal muscle
• Creatine Phosphate
• Aerobic Metabolism
• Anaerobic metabolism Lactic acid
• Muscle fatigue

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• Oxygen debt
• Glycogen debt