| A | B |
| feedback | sensory input utilized during a movement |
| feed forward | sensory information utilized from prior experience to influence a current movement |
| anticipatory adjustment | use of feed forward system to adjust posture prior to a movement |
| dermatome | area of sensation innervated by a specific spinal segment |
| myotome | muscle innervated by a specific spinal nerve segment |
| arousal | physiological readiness for activity |
| alert | person is awake & attentive |
| lethargic | person is drowsy and has difficulty focusing |
| obtund | person is difficult to arouse and is confused when awake |
| stupor | person responds only to strong noxious stimuli |
| coma | person cannot be aroused even by strong stimuli |
| attention | selective awareness of the environment (not distracted by other environmental factors) |
| orientation | awareness of time, person & place |
| cognition | process of knowing and includes awareness & judgment |
| Spasticity | velocity dependent increase in muscle tone with increased resistance to stretch |
| Rigidity | constant resistance throughout ROM |
| Decorticate rigidity | contraction & posturing of upper extremities in flexion and lower extremities in extension |
| Decerebrate rigidity | contraction & posturing of upper & lower extremities in extension |
| dystonia | involuntary movement disorder characterized by twisting & writhing |
| hypotonia | decreased muscle tone |
| flaccidity | absence of muscle tone |
| synergy patterns | functionally linked muscles that are constrained by the CNS |