Lower Limb — Flashcards

Flashcard 71: The _____ nerve (L4-S3 (nerve roots)) provides: - motor innervation to the semitendinosus, semimembranosus, biceps femoris, and hamstring portion of the adductor magnus - sensory innervation to the leg and foot (via terminal branches)

Answer: sciatic

Extra: The **posterior femoral cutaneous nerve** (S1-S3) provides sensory innervation to the skin of the posterior thigh. The sciatic nerve provides sensory innervation to the skin of the leg and foot (except the medial side, which is supplied by the saphenous nerve).

Flashcard 72: The lateral surface of the fibula is related to _____ muscles, the anteromedial surface is related to extensors and the posterior surface is related to flexor muscles.

Answer: fibular

Flashcard 73: The saphenous nerve is the largest pure sensory branch of the _____ nerve and supplies the medial aspect of the leg

Answer: femoral

Flashcard 74: The iliotibial band is a fibrous band that originates from the _____ to the proximal tibia and provides lateral knee stability

Answer: iliac crest

Flashcard 75: Important ligaments of ankle present on the medial side, and therefore likely to be injured in _____ sprains include:1. Deltoid ligament (Medial collateral ligament)2. Spring ligament (calcaneonavicular ligament)

Answer: eversion

Flashcard 76: The main joint involved in _____ longitudinal arch is the Calcaneocuboid joint.

Answer: lateral

Flashcard 77: The structure related to the _____ surface of proximal femur is the intertrochanteric crest.

Answer: posterior

Flashcard 78: Peroneus tertius is supplied by _____ nerve

Answer: deep peroneal

Flashcard 79: The _____joint is predominantly involved in plantar flexion and dorsiflexion of the foot.

Answer: tibiotalar 

Flashcard 80: Metatarsophalangeal (MTP) joints supplied by the medial plantar nerve:

Answer: 1st, 2nd, and 3rd MTP joints