Sitting or lying supine
Ask the patient to wear shorts and remove shoes and socks. Palpation on the skin is possible by lifting long pants above the knee.
Anterior to the patient.
Please sit. May I touch the front of your leg and inside of your foot? (or point to the demonstrated area). Please bring your foot up (or demonstrate) and then point your toes in. (If needed, hold this position while I try to push your foot down and out.)
Guide the patient to sit. With the patient relaxed and with permission, place your fingers on the anterior tibialis muscle belly on the proximal leg lateral to the tibial crest. Guide the patient to dorsiflex the ankle. With unclear muscle activity, increase the contraction of the anterior tibialis by asking the patient to dorsiflex the ankle while you provide a push on the foot in the direction of ankle plantarflexion.
The tendon of the tibialis anterior is prominent on the medial side of the ankle and foot and usually is made more prominent with inversion motion in combination with dorsiflexion. This tendon is covered and held in place by the superior and inferior extensor retinacula.
VH - Leg and foot skeleton with anterior tibialis muscle and tendon ñ add extensor digitorum longus, extensor hallucis longus and peroneus tertius muscles and tendons and superior and inferior retinacula on one side