Ankle And Foot Flashcards
What is the plantigrade position?
Standing directly on the soles of the feet
Which bones form the ankle joint?
Tibia
Fibula
Talus
Which joint allows inversion and eversion?
Subtalar joint
What forms the transverse arch?
Cuneiforms - wedge shaped so they are thinner on the plantar surface
What forms the medial longitudinal arch?
Plantar fascia and plantarflexion muscles
What makes up the lateral longitudinal arch?
Dense CT of the sole
As a general rule, where do plantar flexors insert?
Posterior to malleoli
As a general rule, where do dorsiflexors insert?
Anterior to malleoli
As a general rule, where do invertors insert?
Medial aspect of foot
As a general rule, where do evertors insert?
Lateral aspect of foot
Why can we plantarflex more than dorsiflex?
The talus is wider anteriorly than posteriorly
During dorsiflexion the talus gets wedged between the malleoli so cannot go further
Name the ligaments of the medial side of the ankle
Posterior tibiotalar
Anterior tibiotalar
Deltoid (tibiocalcaneal and tibionavicular)
Name the ligaments of the lateral side of the ankle
Anterior talofibular
Posterior talofibular
Calcaneo-fibular
Which ligament is likely to tear during plantarflexion?
Anterior talofibular ligament (lateral side)
What are the 2 phases of the gait cycle?
Stance and swing