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RIZZO A&P 8.1
Chapter 8.1 Movements of the Synovial Joints
| Question | Answer |
|---|---|
| Flexion | decreases the angle between bones |
| Extension | increases the angle between bones |
| Hyperextension | increases the joint angle beyond the anatomic position |
| Dorsiflexion | raises the foot upward at the ankle joint |
| Plantar | pushes the foot down at the ankle joint |
| Abduction | moves a bone away from the midline |
| Adduction | moves a bone toward the midline |
| Rotation | moves a bone around a central axis, perpendicular to the axis |
| Rotation | moves a bone around a central axis, perpendicular to the axis |
| Circumductiom | moves a bone so the end of it describes a circle and the sides of it describe a cone |
| Supination | moves the palm of the hand to an upright position or from a posterior to an anterior position of at the side of the body |
| Pronation | moves the palm of the hand to a downward position or from an anterior position to a posterior position if at the side of the body |
| Eversion | moves the sole of the foot outward at the ankle |
| Inversion | moves the sole of the foot inward at the ankle |
| Protraction | moves a part of the body forward on a plane parallel to the ground |
| Retraction | moves a part of body backward on a plane parallel to the ground |
| Elevation | raises a part of the body |
| Depression | lowers a part of the body |
| Opposition | allows the tip of the thumb and the fingers to be brought together (a mitten) |
| Reposition | spread the fingers and the thumb away from each other (a glove) |