Till-: l.r.MHA/; AM) SACHAL 



955 



TAIILK SIKI\\I\<; OHIMNAHY KKI.ATIONS OK LI.MBAR AND SACRAL XKHVMS TO 

 BRANCHES OK LTMIIAK AND SACHAI, PLKXTSKS AND TO TMK Pumc NEKVI. 



.NKKVKS CONTKIHUTINO. NKKVI.S. 



j L r Ilio-hypogastric 



\ Ilio-inguinal 

 1 and 2 L ( lenito-femoral 



1 , 2, and 3 L Lateral cutaneous 



2, 3, and 4 L . ( Amoral 



I Obturator 



4, 5 L., and 1 S / Superior gluteal 



l Nerve to quadratus femoris 



4, 5 L., 1 and 2 S Sciatic (peroneal part) 



4, 5 L., 1, 2, and 3 S Sciatic (tibial part) 



5 L., 1 and 2 S / Inferior gluteal 



I Nerve to obturator internus 



1 and 2 S Nerve to piriformis 



2 and 3 S Medial inferior clunial 



1 , 2, and i 5 Posterior femoral cutaneous 



2, 3, and 4 S Pudic 



TABLE SHOWING RELATIONS OF MUSCLES OF LOWER EXTREMITY TO NERVES OK 



LUMBAR AND SACRAL PLEXUSES 



NERVES CONTRIBUTING. MUSCLES. NERVES 



Ilio-psoas Femoral 



2and3L Sartorius 



Pectmeus " 



Adductor longus Obturator 



2,3, and 4 L... . ( Gracilis 



I Adductor brevis " 



3 and 4 L. . . ( Quadriceps femoris Femoral 



I Obturator externus Obturator 



3. 4, and 5 L Adductor magnus Obturator and sciatic 



Gluteus medius Superior gluteal 



minimus " " 



Tensor fasc. latsc " " 



4 5 L and 1 S i Semimembranosus Sciatic 



Plantaris Tibial 

 Popliteus " 



Quadratus femoris Nerve to quad. fern. 

 Inferior gemellus " " " 



' Flex, digit, long. Tibial 



Tibialis poster!, ir 1 '< .sterior medial 



5 L and 1 S Flexor digit, brcv. Plantar 



hallucis brev. " 



Abductor hallucis " 



First lumbrical " 



Superior gemellus Nerve to obt. int. 

 Obturator internus " " 



5L.,land2S.. . Oluteus maximus Inferior gluteal 



Semitendinosus Sciatic 



Soleus Tibial 

 Flex, hallucis long. " 



Piriformis 



( instrocnemius Tibial 



Flexor quadratus plantae Lateral plantar 



land2S . J Abd> ( l uinti (li - ifi 



Plantar interoeoei " ' 



Dorsal " " ' 



Add. hallucis trans. " ' 

 " obliq. 



1, 2, and 3 S Long head of biceps femoris Sciatic 



