| A | B |
| amputation | the removal of all or part of an extremity |
| arthritis | joint inflammation |
| arthroplasty | the surgical replacement of a joint |
| closed fracture | the bone is broken but the skin is intact |
| fracture | a broken bone |
| gangrene | a condition in which there is death of tissue |
| hemiplegia | paralysis on one side of the body |
| open fracture | the broken bone has come through the skin; compound fracture |
| paralysis | los of motor function, loss of sensation or both |
| paraplegia | paralysis in the legs and trunk |
| quadriplegia | paralysis in the arms, legs and trunk |