| Term | Definition |
| Dysdiadochokinesia = | Inability to complete RAPID. alternating Movements// Test = Alternating Finger to Nose, |
| Dysmetria = | Inabilty to Judge DISTANCE or range of movement, // Test = Heel to shin |
| Intention Tremor = | Tremor occuring during voluntary movement, Absent at Rest |
| Postural Tremor = | Tremor when limb is held or in standing posture |
| Gait disorders = | Ataxia, wide BOS, Instability, Test = walk line, sideways, backwards |
| Rebound Phenomenon = | Unable to stop forceful movements when resistance is removed. Test MMT |
| Asthenia = | Generalized Muscle Weakness, Test MMT |
| Rigidity = | Increased resistance to PROM ; Increases in flexors, Velocity Dependent |
| Akinesia = | Inability to initiate movement Test = MMT |
| Dystonia = | Involuntary contractions of antagonist that persist, Observe pt. |
| Hemiballismus = | Large amplitude Flailing Motions of UE and LE on one side, Teat Observe pt. |
| Athetosis | Slow, writhing, twisting movements- greatest in distal UE, Test = Observe pt. |
| Chorea = | Involuntary, Rapid, Jerky mavements in multiple Jts. usually in UE, Test = Finger to nose |