Nervus Plexus Flashcards
What does the femoral nerve innervate?
iliacus, pectineus, rectus femorus, sartorius, vastus intermedius, vastus lateralis, vastus medius
What makes up the femoral nerve?
L2, L3, L4
What does the obturator nerve innervate?
Adductor brevis, adductor longus, adductor magnus, gracilis, obturator externus (medial femoral muscles)
what makes up the obturator nerve?
L2, L3, L3
What nerve is only L1?
Iliohypogastric n., ilioinguina n.
what is L1,L2?
genitofemoral n.
what is L2, L3?
lateral femoral cutaneous n.
what division is the femoral nerve?
posterior
what does posterior division mean?
has the anterior portion of the femoral muscles
What division is obturator nerve?
Anterior
what regions of spinal cord are involved in the lumbar plexus?
L1-L4
What small nerve branches come off L1?
Psoas, quadratus lumborum
what small nerve branches come off l2?
iliacus, psoas, quadratus lumborum
what small nerve branches come off L3?
ilacus, quadratus lumborum
what small nerve branches come off L4?
quadratus lumborum
What regions of the spinal cord does the Sacral plexus use?
L4, L5, S1, S2, S3
what division Is the superior gluteal in?
Posterior
what division is the inferior gluteal in?
posterior
What does the superior gluteal innervate?
Gluteus medius, gluteus minimus, tensor fasiae latae
what regions of the spinal cord contribute to the superior gluteal n.?
L4, L5, S1
What division is the inferior gluteal nerve in?
Posterior
What does the inferior gluteal nerve innervate?
Gluteus maximus
What regions of the spinal cord does the inferior gluteal nerve originate from?
L4, L5, S1, S2
What does the Sciatic nerve represent on the spinal cord?
L4, L5, S1, S2, S3
What does the sciatic nerve innervate?
(common fibular division)
Biceps femoris long head
What does the superifical peroneal (fibular) N represent on spinal cord?
L4, L5, S1, S2, S3
What does the superficial peroneal nerve innervate?
peroneal longus, peroneal brevis
What does the deep fibular nerve innervate?
extensor digitorum longus, extensor digitorum brevis, extensor hallucis brevis, extensor hallucis longus, fibularis tertius, tibialis anterior
Sciatic Nerve
(tibial Division)
Semimembranosus, semitendinosus, biceps femoris long head
Tibial Nerve
gastrocnemius, soleus, plantaris, popliteus, tibialis posterior, flexor hallcuis longus, flexor digitorum longus
Medical plantar nerve
abductor hallucis, flexor hallucis brevis, medial lumbrical, flexor digitorum brevis.
Lateral plantar nerve
abductor digiti minimi, flexor digitorum accessorius, flexor digiti minimi, dorsal interossei, platnar interossi, lateral lumbricals, adductor hallucis.
What forms off of S1, S2, S3
Posterior Femoral Cutaneous Nerve.
