Table 1.

Muscle innervation charts. Data are adopted from Kendall et al. (1993)

	ILIO	GM	Gmed	TFL	SART	AL	RF	VL	BF	ST	MG	SOL	PL	TA
L1	x
L2	X				X	X	X	X
L3	X				X	X	X	X
L4	x		X	X		x	X	X		x			x	X
L5		X	X	X					x	X			X	X
S1		X	X	X					X	X	X	X	X	X
S2		X							X	X	X	X

The innervation level is expressed as X (high) and x (low). X and x are weighted with kij = 1 and kij = 0.5, respectively in equation (2).