sartorius

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sartorius

[sär′tȯr·ē·əs]
(anatomy)
A large muscle originating in the anterior superior iliac spine and inserting in the tibia; flexes the hip and knee joints, and rotates the femur laterally.
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As it leaves the inguinal region, the nerve enters the femoral triangle, limited superiorly by the inguinal ligament, laterally by the sartorius muscle and medially by the long adductor muscle.
12,13) Weakness of the quadriceps and sartorius muscles can culminate in reduced hip flexion and external rotation forces as well as diminished knee extension force.
We described the morphology of the gracilis muscle and sartorius muscle, obtained the average muscle morphometry values and studied, histologically, the union between these muscles.
The morphological and morphometric analysis allow us suggest descriptive parameters for these muscles the histological analysis allow us conclude the gracilis muscle and sartorius muscle fibers are not linked, but kept together by a conjunctive tissue, thus, being inserted into the medial side of the tibia.
Further, the activation of flexor muscles during walking in decerebrate cats has been associated with afferent drive from the sartorius muscle [30-31].
Although the biarticulate rectus femoris and sartorius muscles are critically important during the sit-to-stand transition and during stepping and walking [5-6], they have undesirable actions for standing [4,7], such as thigh flexion.