Table 4.

Mean ± S.D. relative surface area (RSA) of the reachable workspace surface envelope from FSHD subjects by quadrant and total area by FSHD Evaluation Subscale II & III combined.

		Quad 1	Quad 2	Quad 3	Quad 4	TOTAL
		Contralateral Quadrant		Ipsilateral Quadrant
FSHD Evaluation Subscale II & III combined score (n)	Mean Age	Upper	Lower	Upper	Lower
1 (2)	72.79	0.152 ± 0.013	0.079 ± 0.019	0.220 ± 0.012	0.227 ± 0.003	0.678 ± 0.018
2 (14)	48.12	0.114 ± 0.072	0.102 ± 0.061	0.166 ± 0.061	0.222 ± 0.015	0.605 ± 0.150
3 (18)	52.57	0.058 ± 0.065	0.093 ± 0.040	0.084 ± 0.065	0.215 ± 0.028	0.449 ± 0.146
4 (4)	58.77	0.014 ± 0.017	0.064 ± 0.032	0.001 ± 0.002	0.194 ± 0.025	0.273 ± 0.067
5 (4)	51.39	0.001 ± 0.002	0.027 ± 0.028	0.017 ± 0.035	0.167 ± 0.029	0.213 ± 0.067

Means ± SD and sample size (n) are presented as the average for dominant and non-dominant sides (there were no significant side to side differences, see Table 3