The obturator nerve in human anatomy arises from the ventral divisions of the second, third, and fourth lumbar nerves in the lumbar plexus; the branch from the third is the largest, while that from the second is often very small.
Obturator nerve
Obturator nerve
Lumbar and sacral plexus. Deep dissection.Anterior view.
Lumbar and sacral plexus. Deep dissection.Anterior view.
The adductor magnus is a large triangular muscle, situated on the medial side of the thigh.
Adductor magnus muscle
Adductor magnus muscle
Muscles of thigh. Anterior views.
Muscles of thigh. Anterior views.