| A | B |
| PROM | Motion completed by family member |
| AROM | motion completed by patient |
| AAROM | motion assisted by pulley |
| CPM | machine that moves limb through set range |
| RROM | range of motion against a theraband |
| Contractures | shortening of tissue that prevents normal mobility |
| S-ROM | assisted range of motion completed by patient |
| Mobility – | ability of structures or segments to move or be moved to allow the presence of ROM for functional ROM |
| Hypo-mobility | Restricted motion |
| Hyper-mobility | Excessive motion |
| Stretching | activity to increase soft tissue mobolity |
| Flexibility | The ability of a muscle or soft tissue to yield to a stretch force |