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Movements

Movements. Flexion-Extension. Flexion - reduces the angle between two bones at a joint. Usually a sagittal plane movement E.g., Biceps curl Lifting the weight reduces the angle at the joint = flexion Lowering the weight increases the angle at the join = extension.

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Movements

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  1. Movements

  2. Flexion-Extension Flexion - reduces the angle between two bones at a joint • Usually a sagittal plane movement • E.g., Biceps curl • Lifting the weight reduces the angle at the joint = flexion • Lowering the weight increases the angle at the join = extension Extension - increases the angle between two bones at a joint Flexion Extension

  3. Dorsiflexion-Plantar flexion • Modified flexion with respect to ankle joint • Dorsiflexion - bringing the top of the foot toward the lower leg or shin Dorsiflexion • Plantar flexion - “planting” the foot Plantar Flexion

  4. Abduction-Adduction • Abduction – moving a segment away from the midline • Frontal plane movement • E.g., The motions of the arms and legs during a jumping jack • Hint: • Abduct = “take away” from the midline • Adduct = “add” towards the midline • Adduction – moving segment towards the midline of the body Abduction Adduction

  5. Circumduction • A cone of movement that does not include any rotation • Occurs when flexion-extension movements are combined with abduction-adduction movements • E.g. Tracing an imaginary circle in the air with your index finger • The tip of your finger represents the base of the cone, while your knuckle forms the apex of this conical motion

  6. Rotation • Turning of a bone on its longitudinal axis • Medial rotation - rotation towards the midline • Lateral rotation - rotation away from the midline

  7. Pronation-supination • Movements relative to the forearm and hand • Pronation - when the palm is moved to face posteriorly • Supination - when the palm is moved to face anteriorly (hint: you can hold a bowl of soup) Pronation Supination

  8. Inversion-Eversion • Movements relative to the sole of the foot • Inversion - When the sole is turned inward (as when you "go over" on your ankle) Inversion • Eversion - When the sole is turned outward or away from the median plane of the body Eversion

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