Chapter 23 Flashcards
The femoral nerve arises from the ventral rami of L2 and L3, and the ___________________ of the ventral ramus of L4. It is the _________________ of the lumbar plexus. It emerges _________ to the psoas major muscle in the abdomen. the nerve passes DEEP to the _______________________ and enters the FEMORAL TRIANGLE of the thigh. It gives off a cutaneous branch called the ___________________, which supplies the SKIN of the ANTERIOR and MEDIAL leg, as well as the MEDIAL FOOT
1) Upper division
2) largest branch
3) Lateral
4) inguinal ligament
5) saphenous nerve
The femoral nerve innervates _____ muscles in the THIGH:
1) 7
2) Iliacus
3) Satorius
4) Pectineus
5) Quadriceps femoris:
-Rectus femoris
- Vastus Lateralis
- Vastus Medialis
- Vastas intermedius
The obturator nerve arise from the ventral rami of L2 and L3, and the _________________ of the ventral ramus of L4. It emerges _________ to the psoas major muscle. It courses along the _______________ of the PELVIS towards the ____________________
1) Upper division
2) medial
3) lateral wall
4) Obturator foramen
Anterior branch of the obturator nerve courses THROUGH the _____________. It passes BETWEEN the adductor longus and ____________________ muscles.
1) obturator foramen
2) adductor brevis
the anterior branch of the oburator nerve innervates __ muscles in the MEDIAL THIGH:
1) 3
2) Adductor longus
3) Adductor brevis
4) Gracilis
the anterior branch of the obturator nerve cutaneous distribution supplies the
MEDIAL THIGH
The posterior branch of the obturator nerve course THROUGH the ___________________. It passes BETWEEN the adductor brevis and ______________ muscles
1) Obturator foramen
2) Adductor magnus
The posterior branch of the obturator nerve innervates _____ muscles of the LOWER LIMB:
1) 1.5
2) Adductor part of adductor magnus (0.5 muscles)
3) Obturator externus
The sciatic nerve arises from ____________ of the ventral ramus of L4, and the ventral rami _______________. It is the ___________ in the body. It leaves the pelvis and enters the gluteal region by passing THORUGH the ___________________, BELOW the piriformis muscle.
1) Lower division
2) L5, S1, S2, and S3
3) Largest nerve
4) Greater sciatic foramen
The sciatic nerve courses inferiorly, DEEP to the ___________________ muscle. It lies __________ to the superior gemellus, obturator internus, obturator externus, and quadratus femoris muscles.
1) Gluteus maximus
2) POSTERIOR
The sciatic nerve enters the THIGH by coursing BETWEEN the ____________________ muscle and the long head of the biceps femoris muscle. It courses distally BETWEEN the ________________ muscles.
1) adductor magnus
2) hamstring
The sciatic nerve is essentially a combination of ___ nerves wrapped up in the COMMON EPINEURIUM:
1) 2
2) Tibial part of the sciatic nerve
3) Common fibular (peroneal) part of the sciatic nerve
The tibial part of the sciatic nerve innervates ________ muscles and ______ muscles in the THIGH:
1) 2 full
2) 2 Half
3) Semitendinosus
4) Semumembransos
5) Long head of the biceps femoris (0.5 muscle)
6) Extensor part of the adductor magnus (0.5 muscle)
The common fibular (peroneal) part of the sciatic nerve innervates a ____ muscle of the THIGH:
1) Half
2) Short head of biceps femoris (0.5 muscle)
AT the LOWER ______ of the thigh, just PROXIMAL to the popliteal fossa, the sciatic nerve divides into its _____ terminal branches:
1) THIRD
2) 2
3) Tibial nerve
4) Common fibular (peroneal) nerve
The tibial nerve arises as a termianl branch of the _____________. It courses THROUGH the ___________________, POSTERIOR to the __________________. IN THE FOSSA, it gives off muscular branches to the gastrocnemius, soleus, plantaris, popliteus, and tibialis posterior muslces
1) Sciatic nerve
2) Popliteal fossa
3) popliteal vein
The tibial nerve courses through the leg, DEEP to the _________________ and _______________ muscles. It decends through the _______________________ of the LEG accompanied by the __________________________. The tibial nerve then passes deep to the flexor retinaculum and divides into its 2 terminal branches on the MEDIAL SIDE of the ankle:
1)
2)
1) gastrocnemius
2) Soleus
3) Deep posterior compartment
4) posterior tibial artery
1) Medial plantar nerve
2) Lateral plantar nerve
The tibial nerve innervates ____ muscles in the LEG:
1) 7
2) Gastrocnemius
3) soleus
4) Plantaris
5) Popliteus
6) Tibialis posterior
7) Flexor hallucis longus
8) Flexor digitorum longus
The common fibular nerve arises as a terminal branch of the ____________. It courses THROUGH the POPLITEAL FOSSA, where it is adjacent to the _____________ of the biceps femoris muscle. In the popliteal fossa, it provides ___ direct muscular branches. It crosses superficially to the ________________ of the gastrosnemius muscle. The common fibular nerve continues into the leg, coursing LATERALLY to the _____ of the fibula, where it terminates by dividing into its 2 terminal branches:
1)
2)
1) sciatic nerve
2) medial border
3) NO
4) Lateral head
5) Neck
1) Superficial fibular (peroneal) nerve
2) Deep fibular (peroneal) nerve
The superficial nerve originates as a terminal branch of the _____________________ at the ____ of the FIBULA. It is known as the ___________________ nerve of the leg. the nerve courses through the _________________ of the LEG, BETWEEN the fibularis (peroneus) longus and __________________. It pierces the ________________ of the leg and courses in the subcutaneous tissue.
1) Common fibular nerve
2) Neck
3) Musculocutaneous
4) lateral compartment
5) fibularis (peroneus) brevis
6) crural fascia
The superficial fibular (peroneal) nerve innervates 2 muscles in the LEG:
1)
2)
1) fibularis (peroneus) longus
2) FIbularis (peroneus) brevis
The superficial fibular nerve passes from the leg to the foot, ____________ to the extensor retinacula. It terminates as a CUTANEOUS nerve, supplying the SKIN of the __________________ and the ___________of the FOOT
1) superficial
2) anterior distal leg
3) dorsum
The deep fibular nerve originates as a terminal branch of the common fibular nerve at the _____ of the ______. it pierces the _______________, coursing from the LATERAL to the ANTERIOR COMPARTMENT of the ________. It courses inferiorly with the __________________ on the ANTERIOR SURFACE of the interosseous membrane
1) neck
2) Fibula
3) Anterior intermuscular septum ***
4) leg
5)anterior tibial artery
The deep fibular nerve innervates ______ in the LEG:
1) 4
2) Tibialis anterior
3) Extensor hallucis longus
4) Extensor digitorum longus
5) Fibularis (peroneus) tertius
