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
The deep fibular (peroneal) nerve passes _____ to the extensor retinacula and enters the foot, coursing with the __________________. the nerve innervates ___ muscle on the DORSUM of the FOOT:
1) DEEP**
2) Dorsalis pedis artery
3) 1
4) extensor digitorum brevis
The medial plantar nerve arises as a terminal branch of the tibial nerve on the ______________ of the ANKLE, DEEP to the flexor retinaculum. The nerve courses with the _____________. It courses deep to the ____________________ muscle. The nerve then travels BETWEEN the abductor hallucis and __________________ muscles. The medial plantar nerve innervates _____ muscles in the foot:
1) MEDIAL SIDE
2) medial plantar artery
3) abductor hallucis
4) flexor digitorum brevis
5) 4
1) Abductor hallucis
2) Flexor digitorum brevis
3) First Lumbrical
4) Flexor Hallucis brevis
The lateral plantar nerve arises as a terminal branch of the tibial nerve on the _____________ of the ANKLE, DEEP to the flexor retinaculum. The nerve courses with the _________________. It courses DEEP to the __________________ muscle. The nerve crosses the foot from ___________ to ___________, coursing BETWEEEN the flexor digitorum brevis and ____________________muscles. It continues coursing laterally between the flexor digitorum brevis and abductor digiti minimi muscles. The lateral plantar nerve innervates __________ muscles in the FOOT:
1) Medial side
2) lateral plantar artery
3) abductor hallucis
4) Medial
5) lateral
6) quadratus plantae
7) 14
- Abductor digiti minimi
- Quadratus plantae
- Lumbricals 2,3, and 4
- Adductor hallucis
- Flexor digiti minimi brevis
- Plantar interossei (1-3)
- Dorsal interossei (1-4)
1) Which statement regarding the femoral nerve is INCORRECT?
a. It passes deep to the inguinal ligament before entering the femoral triangle
b. It gives off a nerve that supplies the skin of the anterior and medial leg
c. It emerges medial to the psoas major muscle in the abdomen
d. Innervates a total of 7 muscles in the thigh
c. It emerges medial to the psoas major muscle in the abdomen
2) Match the correct muscle to its corresponding nerve?
a. Adductor part of adductor magnus:
b. Pectineus:
c. Gracilis:
1) Posterior branch of the obturator nerve
2) Femoral nerve
3) Anterior branch of the obturator nerve
3) Which statement regarding the obturator nerve is CORRECT?
a. The anterior branch innervates 1.5 muscles of the lower limb
b. The posterior branch passes between the adductor longus and adductor brevis muscles
c. Both the anterior and posterior branches course through the obturator foramen
d. It emerges lateral to the psoas major muscle
c. Both the anterior and posterior branches course through the obturator foramen
4) Which statement regarding the sciatic nerve is INCORRECT?
a. It enters the thigh by coursing between the adductor magnus muscle and the short head of the biceps femoris muscle
b. It courses deep to the gluteus maximus muscle
c. It lies posterior to the superior and inferior gemellus muscles
d. It leaves the pelvis and enters the gluteal region by passing through the greater sciatic foramen, below the piriformis muscle
a. It enters the thigh by coursing between the adductor magnus muscle and the short head of the biceps femoris muscle
5) Which of the following statements is INCORRECT?
a. The tibial part of the sciatic nerve innervates 2 full muscles and 2 half muscles in the thigh
b. At the lower third of the thigh, the sciatic nerve divides into its 2 terminal branches
c. The long head of biceps femoris (0.5 muscle) is innervated by the tibial part of the sciatic nerve
d. The extensor part of the adductor magnus (0.5 muscle) is innervated by the common fibular (peroneal) part of the sciatic nerve
d. The extensor part of the adductor magnus (0.5 muscle) is innervated by the common fibular (peroneal) part of the sciatic nerve
6) Which statement regarding the tibial nerve is CORRECT?
a. It courses through the popliteal fossa, anterior to the popliteal vein
b. It innervates a total of 7 muscles in the leg
c. It is accompanied by the posterior fibular artery in the deep posterior compartment of the leg (wrong answer)
d. This nerve passes deep to the flexor retinaculum and divides into its 2 terminal branches on the lateral side of the ankle
b. It innervates a total of 7 muscles in the leg
7) Which of the following statements is INCORRECT?
a. In the leg, the common fibular (peroneal) nerve courses lateral to the neck of the fibula, where it divides into its 2 terminal branches
b. The common fibular (peroneal) nerve courses through the popliteal fossa, where it is adjacent to the lateral border of the biceps femoris muscle
c. The deep fibular (peroneal) nerve pierces the anterior intermuscular septum as it courses from the lateral to the anterior compartment of the leg
d. The superficial fibular (peroneal) nerve is also known as the musculocutaneous nerve of the leg
b. The common fibular (peroneal) nerve courses through the popliteal fossa, where it is adjacent to the lateral border of the biceps femoris muscle
8) Which of the following statements is CORRECT?
a. The deep fibular (peroneal) nerve passes deep to the extensor retinacula and enters the foot, coursing with the tibial artery
b. The superficial fibular (peroneal) nerve courses between the fibularis (peroneus) longus and fibularis (peroneus) brevis muscles
c. The deep fibular (peroneal) nerve innervates the fibularis (peroneus) longus muscle in the leg
d. The superficial fibular (peroneal) nerve terminates as a cutaneous nerve that supplies the skin of the anterior proximal leg and the dorsum of the foot
b. The superficial fibular (peroneal) nerve courses between the fibularis (peroneus) longus and fibularis (peroneus) brevis muscles
9) Which of the following is INCORRECT?
a. Lumbricals 2,3, and 4 are supplied by the lateral plantar nerve
b. The lateral plantar nerve crosses the foot from the medial to lateral coursing between the flexor digitorum brevis and quadratus plantae muscles
c. The medial plantar nerve travels between the abductor hallucis and flexor digitorum brevis muscles
d. The medial plantar nerve innervates 14 muscles in the foot
d. The medial plantar nerve innervates 14 muscles in the foot
10) Match the correct muscle to its corresponding nerve?
a. Tibialis anterior:
b. Flexor digiti minimi brevis:
c. Extensor digitorum brevis:
d. Flexor hallucis longus:
1) Deep fibular (peroneal) nerve
2) Lateral plantar nerve
3) Deep fibular nerve (peroneal) nerve
4) Tibial nerve
