Branches of the Lumbar Plexus

Bio 243

Femoral

Skin of anterior and medial thigh via anterior femoral cutaneous branch; skin of medial leg and foot, hip and knee joints via saphenous branch; motor to anterior muscles (quadriceps and sartorius) of thigh and to pectineus iliacus

Obturator

Motor to adductor magnus (part), longus, and brevis muscles, gracilis muscle of medial thigh, obturator externus; sensory for skin and medial thigh and for hip and knee joints

Lateral Femoral Cutaneous

Skin of lateral thigh; some sensory branches to peritoneum

Illioinguinal

Skin of external genitalia and proximal medial aspect of the thigh; inferior abdominal muscles

Genitofemoral

Skin of scrotum in males, of labia majora in females, and of anterior thigh inferior to middle portion of inguinal region; cremaster muscle in males