LL - Ankle and Foot Flashcards
What forms the tenon of the talocrural mortise joint?
Talus
Name the plane and axis for the subtalar inversion and eversion
Frontal plane, antero-posterior axis
In open kinetic chain plantar- and dorsiflexion is the moving surface concave or convex?
Convex
Which ligaments control end of range plantarflexion?
Anterior tibiotalar ligament
Anterior talofibular ligament
What is the name of this mechanism in the foot?
Windlass mechanism
Which combination of movements produce pronation?
Eversion, Dorsiflexion, Foot abduction
What type of joint is the talocalcaneonavicular joint?
Synovial ball and socket joint
Which muscles are synergists to ankle dorsiflexion?
Extensor digitorum longus
Extensor halucis longus
Which muscles are agonists for subtalar inversion?
Tibialis anterior and tibialis posterior
Why is the ankle (talocrural) joint less stable in plantarflexion?
Talus is narrower posteriorly and wider anteriorly
Which bones articulate with the three cuneiforms?
1st to 3rd MT, Navicular, cuboid with 3rd cuneiform
Name this bone
Talus
To which two bones is the bifurcate ligament attached (Other than its origin on the calcaneus)?
Navicular and cuboid
Around which plane and axis does the transverse tarsal joint produce inversion and eversion?
Frontal plane / sagittal or antero-posterior axis
Which are the agonists for IP joint flexion?
Flexor digitorum longus (toes 2-5) and flexor hallucis longus (1st toe)
