Innervation Patterns

Femoral Nerve

Innervates the anterior thigh and quadriceps region, including Rectus Femoris, Vastus Lateralis, Vastus Medialis, Sartorius, and Pectineus.

Obturator Nerve

Innervates the medial/adductor region of the thigh, including Gracilis.

Superior Gluteal Nerve

Innervates Gluteus Medius and Gluteus Minimus.

Inferior Gluteal Nerve

Innervates Gluteus Maximus.

Sciatic Nerve Pattern

Supplies the hamstring region of the posterior thigh.

Tibial Portion of Sciatic Nerve

Innervates Semimembranosus, Semitendinosus, and Biceps Femoris Long Head.

Common Fibular Portion of Sciatic Nerve

Innervates Biceps Femoris Short Head.

Biceps Femoris Innervation Rule

Long head is innervated by the Tibial portion, while short head is innervated by the Common Fibular portion.

Tibial Nerve

Innervates the posterior lower leg (calf), including Gastrocnemius.

Nerve to Piriformis

Innervates the Piriformis muscle.

Psoas Major

Innervated by the Anterior Rami of Spinal Nerves.

Lower Limb Innervation Master Rule

FRONT = Femoral; MEDIAL = Obturator; BUTT = Gluteal; HAMSTRINGS = Sciatic; CALF = Tibial.