Pectineus
Pectineus
Pectineus (pronunciation: pek-tin-ee-us) is a flat, quadrangular muscle situated at the anterior (front) part of the upper and medial (inner) aspect of the thigh. The pectineus muscle is the most anterior adductor of the hip. The muscle does adduct and medially rotate the thigh but its primary function is hip flexion.
Etymology
The term "pectineus" is derived from the Latin word "pecten", which means comb, due to the comb-like appearance of the muscle.
Anatomy
The pectineus muscle originates from the pectineal line of the pubis and to a slight extent from the surface of bone in front of it, between the iliopectineal eminence and pubic tubercle, and from the fascia covering the anterior surface of the muscle. It inserts into the pectineal line of the femur, which leads to the lesser trochanter.
Function
The pectineus muscle is responsible for hip flexion and adduction, which means it helps to move the thigh toward the midline of the body and to bend the hip joint. It also helps in the medial rotation of the thigh.
Clinical Significance
Injury or strain to the pectineus muscle can result in groin pain and mobility issues. This is often seen in athletes who participate in sports that require a lot of running or jumping. Treatment typically involves rest, physical therapy, and in some cases, surgery.
Related Terms
External links
- Medical encyclopedia article on Pectineus
- Wikipedia's article - Pectineus
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