| A | B |
| arthroscope | endoscope used to visually examine interior of joint |
| bursitis | inflammation of any of friction-causing sacs called bursae |
| fracture | a break in the bone |
| kyphosis | increased roundness in the thoracic |
| lordosis | exaggerated lumbar curve; swayback |
| osteoporosis | weakening of the bones |
| prothesis | articficial substitute for missing part of body |
| abduction | movement of a body part toward the midline |
| adduction | movement of a body part away from the midline |
| circumduction | cone-like movement of a body part |
| diarthrosis | freely moveable joint |
| extension | movement that increases the angle between parts of a joint |
| eversion | movement of foot where sole is turned outward |
| rotation | movement of bone along its longitudinal axis |
| flexion | bending at a joint so that the angle between the joints is decreased |
| pronation | rotation of a forearm so that the palm faces backward |