NS 1 |
The hindlimb presents an abnormal splay, i.e., it is collapsed or partially collapsed towards lateral midline OR it trembles during tail suspension OR it is retracted/clasped. |
Normal OR slightly slower gait. |
NA |
NS 2 |
The hindlimb is partially OR completely collapsed, not extending much. There might still be joint movement. |
The hindlimb is used for forward motion however the toes curl downwards at least twice during a 75 cm walk OR any part of the foot is dragging along cage bottom/table. |
The mouse is able to right itself within 10 sec from BOTH sides. |
NS 3 |
Rigid paralysis in the hindlimb OR minimal joint movement. |
Forward motion however the hindlimb is NOT being used for forward motion. |
The mouse is able to right itself within 10 sec from BOTH sides. |
NS 4 |
Rigid paralysis in the hindlimbs. |
No forward motion. |
The mouse is NOT able to right itself within 10 sec from EITHER side. |