Muscles of med thigh

• Muscles of the medial compartment of the thigh

  • Adductor longus
  • Adductor brevis
  • Adductor magnus
  • Gracilis
  • Obturator externus
• All adductor muscles, except the "hamstring part" of the adductor magnus and part of the pectineus, are supplied by the obturator nerve
• Muscles of medial thigh: adductors of thigh


  • Adductor longus
  • Adductor brevis
  • Adductor magnus
  • Gracilis
  • Obturator externus
  • Pectineus
• Adductor longus


  Large, fan-shaped muscle, the most anteriorly placed of the adductor group
• Adductor brevis


  Short adductor, lies deep to the pectineus and adductor longus
• Adductor magnus


  Largest, most powerful, and most posterior muscle in the adductor group, a composite, triangular muscle with an adductor part and a hamstring part
• Injury to Adductor Longus

  Muscle strains of the adductor longus may occur in horseback riders and produce pain (rider's strain)
• Obturator externus


  • Located posterior to the pectineus and superior ends of the adductor muscles
  • Functions as a lateral rotator of the thigh
• Obturator externus


  • Located posterior to the pectineus and the superior ends of the adductor muscles
  • Innervated by the obturator nerve
  • Functions as a lateral rotator of the thigh
  • Distal attachment is visible only during dissection of the gluteal region or hip joint