Points^*

Motor tests

Raising rat by the tail

3

1 Flexion of forelimb

1 Flexion of hindlimb

1 Head moved > 10˚ to vertical axis within 30 s

Placing rat on the floor (normal = 0; maximum = 3)

3

0 Normal walk

1 Inability to walk straight

2 Circling toward the paretic side

3 Fall down to the paretic side

Sensory tests

2

1 Placing test (visual and tactile test)

2 Proprioceptive test (deep sensation, pushing the paw against the table edge to stimulate limb muscles)

Beam balance tests (normal = 0; maximum = 6)

6

0 Balances with steady posture

1 Grasps side of beam

2 Hugs the beam and one limb falls down from the beam

3 Hugs the beam and two limbs fall down from the beam, or spins on beam(>60 s)

4 Attempts to balance on the beam but falls off (>40 s)

5 Attempts to balance on the beam but falls off (>20 s)

6 Falls off: No attempt to balance or hang on to the beam (<20 s)

Reflexes absent and abnormal movements

4

1 Pinna reflex (head shake when touching the auditory meatus)

1 Corneal reflex (eye blink when lightly touching the cornea with cotton)

1 Startle reflex (motor response to a brief noise from snapping a clipboard paper)

Seizures, myoclonus, myodystony Maximum points

18