Chapter 4: Movement Analysis
Understanding human movement involves the study of biomechanics, joint types and movements, motor units and muscle contraction, and the use of video analysis in sports. These concepts are essential for enhancing physical performance and preventing injuries. Knowledge of these principles allows for critical evaluation and improvement of human movement in various contexts.
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Sections
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What we have learnt
- Biomechanics analyzes mechanical principles affecting human movement.
- Different types of joints facilitate various movements in the body.
- Muscle contraction types and motor unit recruitment influence movement quality and strength.
Key Concepts
- -- Biomechanics
- The study of mechanical principles in living organisms and how they relate to human movement.
- -- Lever Systems
- A rigid bar that rotates around a fulcrum, pivotal for understanding dynamics in human movement.
- -- Synovial Joints
- Freely movable joints in the body, allowing a wide range of motion.
- -- Motor Unit
- The basic unit of movement, consisting of a motor neuron and the muscle fibers it controls.
- -- Neuromuscular Junction
- The site of communication between a motor neuron and muscle fiber, crucial for muscle contraction.
- -- Isotonic/Isometric Contractions
- Types of muscle contractions; isotonic involves movement while isometric involves tension without movement.
- -- Video Analysis
- The use of recorded footage to evaluate and improve performance in sports.
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