| Term | Definition |
| synarthroses | No ROM |
| amphiathroses | limited ROM |
| diathroses | Full ROM |
| synovial joints | free moving joints |
| muscles | allows skeleton to move, responsible for movement of organs, and to pump blood to the circulatory system. |
| extension | to increase the angle of a joint |
| flexion | to decrease the angle of a joint |
| abduction | movement away from the midline |
| adduction | movement towards the midline |
| supination | turning the palm or foot upward |
| pronation | turning the palm or foot downward |
| dorsiflexion | raising the foot, pulling the toes toward the shin |
| plantar flexion | lowering the foot, pointing the toes away from the shin |
| eversion | turning outward |
| inversion | turning inward |
| protraction | moving a part of the body forward |
| retraction | moving part of the body backward |
| rotation | revolving a bone around its axis |
| simple fracture | does not rupture the skin |
| compound fracture | splits open the skin |
| comminuted fracture | the bone is crushed and or shattered |
| compression fracture | the fractured area of the bone collapses on itself |
| colles fracture | the break of the distal end of the radius at the epiphysis often occurs when patient has attempted to break his or her fall. |
| complicated fracture | the bone is broken and pierces an internal organ. |
| impacted fracture | the bone is broken and the ends are driven into each other. |
| hairline fracture | a minor fracture appears as a thin line on x-ray and may not extend completely through the bone |
| greenstick fracture | the bone is partially bent and partially broken; this is a common fracture in children because their bones are still soft. |
| pathologic fracture | any fracture occurring spontaneously as a result of disease |
| Salter-Harris fracture | a fracture of the epiphyseal plate in children |
| sprain | a traumatic injury to a joint involving the soft tissue.the soft tissue includes, the muscles, ligaments, and tendons. |
| strain | is a result of overuse or overstretching |
| dislocation | when the bone is completely out of place |
| subluxation | partially out of joint |