Table 1.

Subject characteristics

	Gender (Male/Female)	Age (years, months)	BMI	GMFCS	Walking aids
Subjects
S1	M	16 years, 7 months	22.3	III	Crutches
S2	M	19 years, 11 months	22.7	II	None
S3	F	19 years, 7 months	22.9	II	None
S4	M	19 years, 7 months	23	II	None
S5	M	16 years, 2 months	20.3	III	Crutches
S6	M	12 years, 8 months	15.2	II	None
mean ± (SD)		17.4 ± 2.6	21.1 ± 2.7

BMI, body mass index; GMFCS, gross motor function classification system; SD, standard deviation.