Table 3.

Functional evolution

3a Lower limbs muscle testing (MRC scale)
Time after presentation (weeks)	1	4	6	8	10	12	33
Psoas
Right	3	3	3	4	5	5	5
Left	3	3	3	4	5	5	5
Quadriceps
Right	2	2	2	4	5	5	5
Left	1	1	1	3	5	5	5
Tibialis anterior
Right	1	1	2	2	2	2	2
Left	0	0	1	1	1	1	2
Tibialis posterior
Right	1	1			3	3	3
Left	0	0			2	2	5
Peroneus longus
Right	1	1			1	1	5
Left	0	0			1	1	5
Triceps surae
Right	4	4	4	4	4	4	5
Left	1	1	1	2	2	4	5
Extensor hallucis longus
Right	2	2	2	2
Left	0	0	1	1

3b Evolution of walking ability (FAC)
Time after presentation (weeks)	1	4	6	8	10	12	33
FAC	0	0	1	3	4	5	5

MRC scale: Medical Research Council scale

FAC: Functional Ambulation Categories