Adductor Longus Muscle
Origin: Anterior surface of the pubis, in the angle between the crest and pubic symphysis
Insertion: Lower two-thirds of the medial lip of the linea aspera on the posterior surface
Actions: Adduction of the thigh
Innervation: Anterior division of the obturator nerve (L2. L3)
Blood Supply: Femoral artery
Primary Actions of the Adduction Longus
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Secondary Actions of the Adductor Longus
1. Assists with internal rotation of the thigh at the hip
Agonists:
- Tensor fasciae latae
- Gluteus mimimus (anterior fibers)
- Gluteus medius (anterior fibers)
Antagonists:
- Obturator internus
- Obturator externus
- Gemellus superior
- Gemellus inferior
- Quadratus femoris
Adductor brevis and adductor magnus assist with internal rotation of the thigh at the hip.
2. Assists with flexion of the thigh at the hip
Agonists:
- Psoas major
- Iliacus
Antagonists:
- Gluteus maximus
- Semitendinosus
- Semimembranosus
- Biceps femoris (long head)
- Adductor magnus (posterior part)
Pectineus, rectus femoris, and sartorius also assist with flexion of the thigh at the hip.
Muscle Pain Information: The adductor longus muscle contributes to pain in the groin, hip joint, inner thigh and the inside of the knee

An excellent book for those beginning the study of anatomy. Coloring helps memory retention.
For intermediary anatomy students learning skeletal and muscle structure.
For beginning and intermediary anatomy . Muscle overlays on the human body. Excellent visuals!