Table 1.
Points | |
---|---|
Motor tests | |
Raising rat by tail | 3 |
Flexion of forelimb | 1 |
Flexion of hindlimb | 1 |
Head moved > 10° to vertical axis within 30 s | 1 |
Placing rat on floor (normal = 0; maximum = 3) | 3 |
Normal walk | 0 |
Inability to walk straight | 1 |
Circling toward the paretic side | 2 |
Fall down to the paretic side | 3 |
Sensory tests | 2 |
Placing test (visual and tactile test) | 1 |
Proprioceptive test (deep sensation, pushing paw against table edge to stimulate limb muscles) | 1 |
Beam balance tests (normal = 0; maximum = 6) | 6 |
Balances with steady posture | 0 |
Grasps side of beam | 1 |
Hugs beam and 1 limb falls down from beam | 2 |
Hugs beam and 2 limbs fall down from beam, or spins on beam (å 60 s) | 3 |
Attempts to balance on beam but falls off (å 40 s) | 4 |
Attempts to balance on beam but falls off (å 20 s) | 5 |
Falls off; No attempt to balance or hang on to beam (20 s) | 6 |
Reflex absence and abnormal movements | 4 |
Pinna reflex (head shake when auditory meatus is touched) | 1 |
Corneal reflex (eye blink when cornea is lightly touched with cotton) | 1 |
Startle reflex (motor response to a brief noise from snapping a clipboard paper) | 1 |
Seizures, myoclonus, myodystony | 1 |
Maximum points | 18 |
One point is awarded for the inability to perform the tasks or for lack of a tested reflex, 13–18, severe injury; 7–12, moderate injury; 1–6, mild injury.