click below
click below
Normal Size Small Size show me how
bones pt. 4
types of joint movement and joints
| Question | Answer |
|---|---|
| flexion | reduces angle, bending elbow |
| extension | increases angle, extending elbow |
| abduction | away from midline |
| adduction | towards midline |
| rotation | spins one bone relative to another |
| circumduction | moves distal end of bone in a circle while proximal end stays stable |
| synarthroses | no movement, fibrous connective tissue grows between articulating bones |
| amphiarthroses | slight movement, cartilage connects to articulating bones |
| diarthroses | free movement, most joints, allows diff kinds of movement determined by structure of each joint |
| functions of freely moveable joints | ball and socket, hinge, pivot, saddle, gliding and condyloid |