Adductor Longus is a triangular muscle which is located in the exact same plane as pectineus. It forms the floor and medial boundary of the femoral triangle.

INTERACTIVE ANATOMICAL INTERFACE

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Origin

It originates by a rounded tendon from the front of the body of pubis in the angle between the pubic crest and the pubic symphysis.

Insertion

The muscles slope downward, backward, and laterally as a broad fleshy abdomen to be added into the middle one-third of the linea aspera.

Nerve Supply

The Nerve Supply is through the anterior section of the obturator nerve.

Actions

  • It’s a strong adductor and medial rotator of the thigh in the hip joint.
  • In horse riders, the rounded tendon of adductor longus frequently gets calcified as a result of its friction together with the horseback. This calcified tendon is named rider’s bone. Some authorities are of view that rider’s bone is a sesamoid bone, which sometimes grows in the tendon of adductor longus.