Anatomy - Knee/ankle/foot Flashcards
What muscles insert at the Pes Anserinus?
What is their innervation?
Sartorius - Femoral Nerve
Gracilis - Obturator nerve
Semitendinosis - Sciatic Nerve
What muscles flex the knee? (7)
Semimembranosis Semitenonosis Biceps femoris Gastrocnemius Gracilis Sartorius Popliteus
What muscles extend the knee? (2)
Quadriceps femoris
Tensor fascia lata
Popliteal Fossa contents? (5)
Tibial nerve, common fibular nerve, popliteal artery and vein, lesser saphenous vein.
Borders of the popliteal fossa?
Semiteninosis and semimembranosis medially
Biceps femoris laterally
Gastrocnemius inferiorly
The patella is a ____ bone
Sesamoid
What tendon sheath is the patella within?
Quadriceps femoris tendon
Functions of the muscles in the lateral compartment of the leg?
Eversion of the foot
What nerves innervate the lateral compartment of the leg?
Superficial fibular nerve
peroneal nerve
Anterior compartment of the leg does what functions? (3)
Dorsiflexion of the foot, inversion of the foot, extension of the toes
What nerves innervate the anterior compartment of the leg?
Deep fibular and peroneal nerves
4 muscles of the anterior compartment of the leg?
Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus
Fibularis tertius
Functions of the posterior compartment of the leg?
Plantar flexion, inversion of the foot, flexion of the toes
The posterior compartment of the leg in innervated by what nerve?
Tibial nerve
Superficial muscles of the posterior compartment of the leg? (3)
Gastrocnemius
Plantaris
Soleus
Deep muscles of the posterior compartment? (4)
Popliteus
Tibialis posterior
Flexor digtorum longus
Flexor hallucis longus
What is the tibial plafond?
Ceiling of the ankle joint, the distal tibial articular surface
Arteries of the foot?
Posterior tibial artery
Dorsalis pedis artery
The ankle joint is most stable in what position?
Dorsiflexion
The ankle is supported medially by what ligaments? (3)
Deltoid ligament, plantar calcaneonavicular ligament, medial talocalcaneal ligament.
What are the 4 parts of the deltoid ligament?
Posterior tibiotalar part
tibiocalcaneal part
Tibionavicular part
Anterior tibiotalar part
What structures pass through the tarsal tunnel?
Tibialis posterior, flexor digitorum longus, posterior tibial artery and vein, tibial nerve, extensor hallucis longus
What ligaments support the ankle laterally?
Posterior talofibular ligament
Calcaneofibular ligament
Talofibular ligament
Anterior talofibular ligament
Fractures of what bone of the foot are prone to AVN?
talus
What are the two types of bunions?
Hallux valgus
Metatarsis Primus varus deformity