Muscle Movements Every muscle attached to AT LEAST two points Origin Attached to immovable or less movable bone Insertion Attached to movable bone When muscle contracts, insertion --> origin
Muscle Movements Flexion Decreases angle of the joint and brings two bones closer together Extension Opposite of flexion If greater than 180˚ hypertension
Muscle Movements Abduction Moving a limb away from midline Fanning of fingers or toes Adduction Toward midline
Muscle Movements Rotation Around longitudinal axis Circumduction Flexion, extension, abduction, and adduction
Muscle Movements Pronation Moving the palm from upward-facing to downward-facing Supination Opposite of pronation
Muscle Movements Inversion Turning sole of foot so it faces medially Eversion Turning sole of the foot laterally
Muscle Movements Dorsiflexion Standing on your heels Plantar flexion Standing on your toes