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Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of posterior aspect of left thigh

Biceps femoris muscle

Image #183-6

KEYWORDS: Muscles and tendons, Peripheral nervous system, Thigh, Vasculature.

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Dissection of posterior aspect of left thigh
Biceps femoris muscle
The long head of the biceps (8) has been detached from its origin and has been rotated medially to expose the nerve and blood vessels that enter the belly of the muscle.
1 . Greater trochanter
2 . Quadratus femoris muscle
3 . Gluteus maximus muscle (cut across near insertion)
4 . Sciatic nerve
5 . Perforating artery
6 . Adductor magnus muscle
7 . Muscular branch of sciatic nerve (branch of common peroneal nerve to short head of biceps femoris)
8 . Biceps femoris muscle (upper pointer, long head; lower pointer, short head)
9 . Vastus lateralis muscle (covered by iliotibial tract)
10 . Common peroneal nerve
11 . Tibial nerve
12 . Popliteal fossa
13 . Gastrocnemius muscle
14 . Ischial tuberosity
15 . Muscular branch of sciatic nerve (to long head of biceps femoris)
16 . Gracilis muscle
17 . Semitendinosus muscle (retracted)
18 . Semimembranosus muscle
19 . Popliteal artery
20 . Sartorius muscle (passing across medial epicondyle of femur)