Sartorius
Saddled muscle , m. Sartorius, has the appearance of a narrow ribbon and is the longest muscle of the human body. Located on the front surface of the thigh , the muscle spirals downwards, moving to its inner surface, and then, passing around from behind the medial epicondyle, passes to the anteromedial surface of the shin. The muscle starts from the superior anterior iliac spine and, moving obliquely downwards, passes into a flat tendon that attaches to the tuberosity of the tibia , and a number of bundles interweave in the fascia of the upper leg. At the place of attachment of the muscle, 2-3 subcutaneous bags of sartorius muscle are formed, bursae subtendineae m. Sartorii, which separate the tendon of the latter from the tendons of the thin and semitendinous muscles.
Function: flexes the hip and shin, rotating the hip outward, and the shin - inward, thereby taking part in tossing the leg behind the leg.
Innervation: n. Femoralis (plexus lumbalis) (LII-LIII).
Blood supply: aa. Circumflexa femoris lateralis, genus suprema, muscle branches a. Femoralis.
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