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. Author manuscript; available in PMC: 2017 Oct 3.
Published in final edited form as: J Biomech. 2016 Aug 6;49(14):3244–3251. doi: 10.1016/j.jbiomech.2016.08.004

Table 1.

Muscle group definitions and abbreviations. Muscles for which EMG was measured experimentally are denoted by ‘E’, and muscles in the group which were constrained based on EMG are denoted by ‘C’.

Abbreviation Muscles in group
SOL SoleusEC
GAS Lateral gastrocnemiusEC
Medial gastrocnemiusC
TA Tibialis anteriorEC
Extensor digitorum longus
Extensor hallucis longus
Peroneus tertius
VAS Vastus lateralisEC
Vastus medialisC
Vastus intermediusC
RF Rectus femorisEC
HAMS Biceps femoris long headEC
Gracilis
Semimembranosus
Semitendinosus
GMAX Gluteus maximus (superior, middle, and inferior compartments)EC
IL Iliacus
Psoas
GMED Gluteus medius (anterior, middle, and posterior compartments)EC
Gluteus minimus (anterior, middle, and posterior compartments)
Piriformis