Nerve Root Supply of Muscles - Lower Body

Given a muscle of the lower extremity, name the nerve roots (L1-S3) that supply it. Source: Gray's Anatomy for Students, 4th ed.

Enter answers as follows: L#-L# / L#-S# / or S#-S#

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Last updated: December 15, 2020

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Muscle	Nerve Root Supply
Gluteus Maximus	L5-S2
Gluteus Medius	L4-S1
Gluteus Minimus	L4-S1
Tensor Fascia Latae	L4-S1
Piriformis	S1-S2
Superior Gemellus	L5-S1
Obturator Internus	L5-S1
Inferior Gemellus	L5-S1
Quadratus Femoris	L5-S1
Obturator Externus	L3-L4
Iliacus	L2-L3
Psoas Major	L1-L3
Sartorius	L2-L3
Rectus Femoris	L2-L4
Vastus Lateralis	L2-L4
Vastus Medialis	L2-L4
Vastus Intermedius	L2-L4
Biceps Femoris Long Head	L5-S2
Biceps Femoris Short Head	L5-S2
Semimembranosus	L5-S2
Semitendinosus	L5-S2
Pectineus	L2-L3
Adductor Longus	L2-L4
Adductor Brevis	L2-L3
Adductor Magnus (Adductor Part)	L2-L4
Adductor Magnus (Hamstring Part)	L4
Gracilis	L2-L3
Gastrocnemius	S1-S2
Soleus	S1-S2
Plantaris	S1-S2
Popliteus	L4-S1
Tibialis Posterior	L4-L5
Flexor Digitorum Longus	S2-S3
Flexor Hallucis Longus	S2-S3
Tibialis Anterior	L4-L5
Extensor Digitorum Longus	L5-S1
Extensor Hallucis Longus	L5-S1
Peroneus Tertius	L5-S1
Peroneus Longus	L5-S2
Peroneus Brevis	L5-S2
Extensor Digitorum Brevis	S1-S2
Extensor Hallucis Brevis	S1-S2
Abductor Hallucis	S1-S3
Flexor Digitorum Brevis	S1-S3
Abductor Digiti Minimi	S1-S3
Quadratus Plantae	S1-S3
Lumbricals	S2-S3
Flexor Hallucis Brevis	S1-S2
Adductor Hallucis	S2-S3
Flexor Digiti Minimi Brevis	S2-S3
Plantar Interossei	S2-S3
Dorsal Interossei	S2-S3