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Skeletal Muscle Act.
Skeletal Muscle Actions
| Question | Answer |
|---|---|
| Flexion | Decreasing the angle between two bones; bending a limb |
| Extension | Increasing the angle between two bones; straightening out a limb |
| Abduction | Movement away from the midline of the body |
| Rotation | Circular movement around an axis (central point). Internal rotation is toward the midline and external rotation is away from the midline. |
| Dorsiflexion | Decreasing the angle of the ankle joint so that the foot bends backwards (upwards). This is the opposite movement of stepping on the gas pedal when driving a car. |
| Plantar Flexion | Motion that extends the foot downward toward the ground as when pointing the toes or stepping on the gas pedal. Plant/o means sole of the foot. |
| Supination | As applied to the hand and forearm, the act of turning the palm up. As applied to the foot, it is outward roll of the foot during normal motion. |
| Pronation | As applied to the hand and forearm, the act of turning the palm down. As applied to the foot, it is inward roll of the foot during normal motion. |
Created by:
xocheronnieox