Muscle Name: adductor longus

AKA:  

Abbreviation: AL

Spinal Nerve Roots:
    L2
    L3
    L4
Plexus:
    lumbar plexus

Named Nerves:
    obturator nerve

Proximal Attachment:  pubic crest

Distal Attachment:  into the mid lenea aspera between the adductor magnus and the vastus medialis

Action: Adducts the thight

Needle Insertion: Approximtaely four centimeters distal to the pubic bone in the supine patient with the legs slightly abducted .

Activation for EMG:  The patient is asked to close their legs.

Pitfalls: 

Notes: 

• Should be normal in a pure femoral mononeuropathy.
• We feel the muscle is more easily palpated when the leg is slightly externally rotated.