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Year : 2015  |  Volume : 15  |  Issue : 3  |  Page : 285-287

Unilateral accessory Sartorius muscle: A case report on its functional and clinical implications

Department of Anatomy, Melaka Manipal Medical College (Manipal Campus), Manipal University, Manipal, Karnataka, India

Correspondence Address:
Naveen Kumar
Department of Anatomy, Melaka Manipal Medical College (Manipal Campus), Manipal University, Manipal - 576 104, Karnataka
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DOI: 10.4103/1319-6308.164317

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Sartorius is a long strap muscle that originates from the anterior superior iliac spine and inserts on the upper medial surface of the tibia. It crosses the anterior thigh obliquely, and its medial edge forms the lateral boundary of the femoral triangle. Since it crosses two joints of the lower limb, it is also known as a bi-articulate muscle. It confers its action on both hip joint and knee joint. Its variations are extremely rare and seldom reported. We report here an exceptional variant accessory Sartorius muscle (SM) originating from the inguinal ligament, and joining the main SM eventually at the level of the junction between upper one-third and lower two-third of the thigh. In the present case, we discuss the clinical and functional implications of this exceptional case of accessory SM.

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