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The Pectineus is a member of the Adductor Group, which is composed of (from lateral to medial) the:
- Adductor longus
- Gracilis (aka Adductor gracilis)
- Adductor brevis
- Adductor magnus
- The pectineus attaches from the pubic bone to the pectineal line of the femur
- Adducts the thigh at the hip joint.
- Flexes the thigh at the hip joint.
- Medially rotates the thigh at the hip joint.
- Anteriorly tilts the pelvis at the hip joint.
- Ipsilaterally elevates the pelvis at the hip joint.
- Ipsilaterally rotates the pelvis at the hip joint.
NOTE: The pectineus is a transitional muscle between the anteriorly-located flexor group and the medially-located adductor group. It is included in the “adductor group,” but it is innervated by the femoral nerve, as are the muscles of the flexor group.