Table 1.

List of muscles included in the simulation model and their parameters

Muscle name	Maximum muscle force (N)	Optimal fiber length (cm)	Tendon slack length (cm)	Pennation angle (degrees)
Medial gastrocnemius (MG)	1,113	4.5	40.8	17.0
Lateral gastrocnemius (LG)	488	6.4	38.5	8.0
Soleus (Sol)	2,839	3.0	26.8	25.0
Tibialis anterior (TA)	603	9.8	22.3	5.0
Tibialis posterior (TP)	1,270	3.1	31.0	12.0
Peroneus brevis (PB)	348	5.0	16.1	5.0
Peroneus longus (PL)	754	4.9	34.5	10.0
Pernoneus tertius (PT)	90	7.9	10.0	13.0