Lower Limb — Flashcards

Flashcard 61: _____ is the point where the tendon of flexor hallucis longus passes deep to the tendon of flexor digitorum longus to reach the medial side of sole of foot.

Answer: Knot of Henry

Flashcard 62: Action of pyriformis is _____ of the thigh in extension and abduction of the thigh in the flexed position

Answer: Lateral rotation

Flashcard 63: _____ division of obturator nerve supplies pectineus (occasionally), adductor longus, adductor brevis, and gracilis

Answer: Anterior

Flashcard 64: The _____ layer of the sole consists of flexor accessorius and the four lumbrical muscles,the tendons of flexor hallucis longus and flexor digitorum longus

Answer: second

Flashcard 65: The _____ perforating branch of the profunda femoris artery is the nutrient artery to the femur.

Answer: second

Flashcard 66: _____ is the most commonly injured ligament of ankle on the lateral side seen in inversion sprains

Answer: ATFL

Flashcard 67: 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 68: The _____ artery (branch of the posterior tibial artery) is the nutrient artery to the fibula.

Answer: peroneal

Flashcard 69: The piriformis normally acts to:- _____ the thigh when extended - abduct the thigh when flexed

Answer: externally rotate

Flashcard 70: Inferior extensor retinaculum is a _____-shaped band, who's medial end is attached to the medial malleolus of the tibia and lateral end is attached to the calcaneus

Answer: Y