Definitions

1. anatomical position - The erect position of the body with the face directed forward, the arms at the side, and the palms of the hands facing forward.
2. Hyperextension – the rotation beyond anatomical position in the direction opposite the direction of flexion.
3. Rotation - the act of rotating; a turning around as on an axis
4. Flexion - the act of bending a limb
5. Pronation - rotation of the hand or forearm so that the surface of the palm is facing downward or toward the back
6. biceps femoris - a hamstring a muscle of the posterior thigh
7. semimembranosus - a hamstring a muscle of the posterior thigh
8. semitendinosus - a hamstring a muscle of the posterior thigh
9. Posterior - pertaining to or toward the rear or caudal end of the body