Anatomy 3: Ankle
What makes up Tom, Dick, and Very Nervous, Harry? Where can it be found?
tibialis anterior, FDL, post Tib Ant. Tib Artery, Tibial nerve, post tibial vein, and FHL
What ligaments make up the deltoid ligament? What does this resist?
tibionavicular, tibiocalcaneal, & ant/post tibiotalar...resist excessive eversion
Where are the cuneiforms located? What direction do they point?
1st cuneiform medial side, 2nd middle wedge-shaped points downward, and 3rd lateral most upward
True/False: the lateral malleolus restricts excessive inversion
False (eversion)
What is so signficant about the sustenaculum tali?
TOM, DICK, AND NERVOUS HARRY run under here
What ankle bone is responsible for bearing the weight of the body?
Talus
Sciatic nerve in the posterior compartment turns into the_______ & also turns into the____________ which breaks down into the _________ (lateral compart) & ________(anterior compart)
Tibial....common fibular....superficial fibular....deep fibular
True/False: the ankle joint is relatively unstable during plantarflexion.
True
True/False: there are 3 calcaneal tuberosity.
True
What actions are involved supination?
adduction, plantarflexion, & inversion
What structures make up the tibio-fibular syndesmosis?
anterior & posterior interosseous membranes & posterior tibiofibular ligaments at distal extremities
What ligaments are damaged in a high ankle sprain?
anterior & posterior tibiofibular
Why does the posterior talofibular resist excessive stress?
b/c this ligament wraps from lateral mallei around to talus
The spring ligament is AKA ____________ & runs from ________ to ________ & is responsible for...
calcaneaonavicular ligament running from sustenaculum cali to navicular bone....helps to form one of the foot arches
What is the heel bone?
calcaneus
What is a thrombosis?
clot formation
What ligament is damaged during an eversion ankle sprain?
deltoid ligament
What is another name for a moving clot?
embolism
Where is the fibular notch?
flat surface on lateral distal portion of tibia
The talocrural joint is a _______ joint & responsible for most what actions?
hinge joint & dorsi & plantarflexion
What is the function of the retinaculum?
keeps all tendons in place so pulley systems work correctly
What structures are damaged inversion ankle sprain?
lateral structures/ligaments are torn or over-stretched anterior tibio-fibular ligament
Where is the soleal line of the tibia?
posterior border of tibia
What is the function of the peroneal (fibular) tubercle?
pully system for fibular tendons
Where does the calcaneal fibular ligament run?
run lateral malleoi to calcaneal
Where is the anterior talofibular ligament?
runs lateral malleoli distal to talus
What is another name for the ankle joint? What does it connect?
talocrural joint...tibia & fibula
The ________ is the smooth top surface of the talus & the head communicates with?
trochlear surface & communicates directly with the navicular
Where is the subtalar joint located? What action is done at this joint?
undersurface of talus & articulates calcaneus.... inversion & eversion
What occurs during varicose veins?
veins have valves are longer working properly causing backflow of blood also causing twisted & convoluted
