Answer:
Lateral.
Explanation:
Plantar flexion may be defined as the movement of the foot away from the body. Eversion is the movement process of turning the body inside and out by the help of specific muscles.
The flexion and eversion process is accompanied by the different muscles like gastrocnemius muscle, digiatlis. The lateral compartment muscles especially flexor longus, fibularis brevis are the muscles that evert the foot helps in the plantar flexion.
Thus, the correct answer is option (a).
