LumboSacaral Plexus 허리엉치신경얼기 모식도로 지배근육 공부하기

허리엉치신경얼기 (L2-S3) 모식도그림

허리엉치신경얼기의 신경 별 지배근육을 모식도로 공부할 일이 생겨서 오늘은 Lumbosacral plexus의 신경 별 지배근육을 모식도를 보면서 공부한걸 정리해보겠다. 모식도 원본이 필요한 경우 댓글로 메일 남겨주시면 보내드리겠습니다.

lumboscaral plexus 허리엉치신경얼기 모식도

Lumbosacral Plexus 허리신경얼기 (L2-S3)

Branches to Psoas major (L2,L3)

Psoas major

(a) Inferior Gluteal nerve (L5,S1,2)

Gluteus maximus

(b) Nerve to Obturator internus and gemellus superior (L5,S1,2)

Obturator internus and Gemellus superior

(c) Branches to piriformis (S1,2)

Piriformis

(d) Nerve to Quadratus femoris and Gemellus inferior (L4,5,S1)

quadratus femoris and gemellus inferior

(e) Superior Gluteal (L4,5,S1)

Gluteus medius, Glueteus minimus, Tensor fascia lata

Dorsal Division (L2,3) Lateral Femoral cutaneous

Ventral division (L2,3,4) Obturator

-Anterior (L3,4) : adductor longus, Gracilis, adductor brevis

-Posterior (L3,4) : adductor magnus, Obturator externus

Dorsal Division (L2,3,4) Femoral

Iliacus(L2,3), Sartorius(L2,3), Quadriceps femoris(RF,VI,VM,VL), articularis genu

Ventral division (L3,4) Accessory obturator

Pectineus(L2,3,4)

Lumbosacral Trunk(L4,5)-Sciatic nerve

Tibial (L4,5,S1,2,3) from Sciatic nerve

-Biceps femoris(long head), semitendinosus, semimembranosus, Adducotr magnus

-Gastrocnemius, soleus, Tibialis posterior, plantaris, popliteus, semimembranosus, adductor magnus

-Medial Plantar : Flexor digitorum brevis, abductor hallucis, 1st lumbrical, Flexor hallucis brevis

-Lateral Plantar : Abductor digiti minimi, Quadratus platae, adductor hallucis, 2nd 3rd 4th lumbricals, plantar interossei, Dorsal interossei

 

Common peroneal (L4,5,S1,2) from sciatic nerve

-bicepsfemoris(short head)

-Superficial peroneal : Peroneus longus, peroneus brevis

-Deep peroneal : tibialis anterior, extensor digitorum longus, peroneus tertius, extensor hallucis longus, extensor digorum brevis