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Sartorius
Other Terms:
Musculus sartorius,
Muscle sartorius
Muscle parts
None
Latin name
Musculus sartorius
Latin muscle parts
None
Group
Thigh muscle – anterior compartment
Etymology
In English, this muscle’s name is the tailor’s muscle. The word sartorius comes from the Latin term sartor meaning “tailor.” The tailor’s of old use to sit cross-legged as they sewed clothing. This muscle is the main muscle in producing the actions of crossing the legs.
Origin
Anterior superior iliac spine and the upper part of the notch below this landmark
Insertion
Surface of the tibia medial to the tibial tuberosity and just below the medial condyle; sends a slip of tendon to the capsule of the knee joint; attaches just anterior to the gracilis and the semitendinosus
Action
Flexion and lateral rotation of the hip; flexion of the knee.
Nerve supply
Femoral nerve (L3 and L4)
Blood supply
From proximal to distal, the muscle is supplied by the superficial and deep circumflex iliac arteries and via direct muscular branches from the femoral artery, from the saphenous and other small branches from the descending genicular artery, and by the superior and inferior medial genicular arteries from the popliteal artery.
Latin
Musculus sartorius
French
Muscle sartorius
