Table 1. Muscles included in this study and their abbreviations.

Muscles are loosely ordered proximally-distally.

Abbreviation	Muscle name	Abbreviation	Muscle name
AB	Adductor brevis	BFL	Biceps femoris (long head)
AL	Adductor longus	BFS	Biceps femoris (short head)
AM	Adductor magnus	VI	Vastus intermedius
GemInf	Gemellus inferior	VL	Vastus lateralis
GemSup	Gemellus superior	VM	Vastus medialis
ObtExt	Obturator externus	MG	Medial gastrocnemius
QF	Quadratus femoris	LG	Lateral gastrocnemius
TFL	Tensor fasciae latae	PB	Peroneus brevis
GMax	Gluteus maximus	PL	Peroneus longus
GRA	Gracilis	SOL	Soleus
GMed	Gluteus medius	TA	Tibialis anterior
GMin	Gluteus minimus	TP	Tibialis posterior
ILI	Iliacus	PECT	Pectineus
PIRI	Piriformis	POP	Popliteus
RF	Rectus femoris	EHL	Extensor hallucis longus
SAR	Sartorius	FHL	Flexor hallucis longus
SM	Semimembranosus	EDL_DIGITS I-IV	Extensor digitorum longus
ST	Semitendinosus	FDL_DIGITS I-IV	Flexor digitorum longus