Anterior & Lateral Muscles of the Leg Flashcards
What is contained within the popliteal fossa?
popliteal vessels
common peroneal and tibial nerves
small saphenous vein
What is the Pes Anserinus?
combined tendinous expansion of the sartorius, gracilis, and semitendinous muscles at the medial border of the tibial tuberosity
What is the Pes Anserinus used for?
surgical repair of the anterior cruciate ligament of the knee joint
What is the blood supply, innervation, and action of the Tibialis anterior muscle? (Ant muscle)
anterior tibial artery
Deep peroneal nerve (fibular)
dorsiflexes and inverts the foot
Where does the tibialis anterior insert?
first cuneiform, first metatarsal
What is the blood supply, innervation, and action of the Extensor Hallucis Longus muscle (Ant muscle)?
anterior tibial artery
Deep peroneal nerve (fibular)
extends big toe, dorsiflexes and inverts foot
Where does the extensor hallucis longus insert?
base of distal phalanx of big toe
What is the blood supply, innervation, and action of the Extensor digitorum longus muscle (ant muscle)?
anterior tibial artery
deep peroneal nerve (fibular)
extends toes, dorsiflexes and everts foot
Where does the extensor digitorum longus insert?
bases of middle and distal phalanges
What is the blood supply, innervation, and action of the Peroneus (fibularis) tertius muscle (ant muscle)?
anterior tibial artery
deep peroneal nerve (fibular)
dorsiflexes and everts foot
Where does the peroneus (fibularis) tertius insert?
base of 5th metatarsal
What is the blood supply, innervation, and action of the peroneus (fibularis) longus muscle (lateral muscle)?
fibular artery
superficial peroneal nerve (fibular)
everts and plantar flexes foot
Where does the peroneus longus insert?
base of first metatarsal, medial cuneiform
What is the blood supply, innervation, and action of the peroneus (fibular) brevis muscle (lateral muscle)?
fibular artery
superficial peroneal nerve (fibular)
everts and plantar flexes the foot
