Quiz 4: Lectures 12-14 Flashcards
Which of the following nerves does not originate from the sacral plexus?
Obturator nerve
Which nerves run below the piriformis in the greater sciatic foramen?
Sciatic nerve, inferior gluteal nerve, pudendal nerve
The femoral nerve originates from which nerve roots?
L2-L4
Which of the following ligaments restrict hip extension?
- iliofemoral ligament
- pubofemoral ligament
- ischiofemoral ligament
All of them restrict hip extension
Which of the following arteries do not supply blood to the femoral head or neck?
- acetabular branch of the obturator artery
- perforating branches of the deep femoral artery
- lateral circumflex femoral artery
- medial circumflex femoral artery
Perforating branches of the deep femoral artery
The distal attachment of the glute med is the…?
Greater trochanter
Which of the following is not an action of the TFL?
- hip flexion
- hip abduction
- hip external rotation
- hip internal rotation
Hip external rotation
Where does the femoral nerve originate?
L2-L4 nerve roots of lumbar plexus
Which nerve provides motor innervation to the anterior compartment of the thigh?
Femoral nerve
What are the 6 major nerves of the lumbar plexus?
- iliohypogastric
- ilioinguinal
- genitofemoral
- lateral femoral cutaneous
- obturator
- femoral
Where does the iliohypogastric nerve originate in the lumbar plexus?
L1
Where does the ilioinguinal nerve originate in the lumbar plexus?
L1
Where does the genitofemoral nerve originate in the lumbar plexus?
L1-L2
Where does the lateral femoral cutaneous nerve originate in the lumbar plexus?
L2-L3
Where does the obturator nerve originate in the lumbar plexus?
L2-L4
Where does the femoral nerve originate in the lumbar plexus?
L2-L4
The iliohypogastric nerve provides motor innervation to which deep muscles?
Internal Oblique and Transverse Abdominis
Where does the iliohypogastric provide sensory innervation to?
Abdominal skin above the pubis and upper lateral thigh
Which muscles attach to the thoracolumbar fascia?
Internal oblique and transverse abdominis
The ilioinguinal nerve provides motor innervation to which deep muscles?
Internal oblique and transverse abdominis
Where does the ilioinguinal nerve provide sensory innervation to?
Upper medial thigh
T or F? The genitofemoral nerve provides sensory and motor innervation?
True
The femoral branch of the genitofemoral nerve provides sensory innervation to where?
Upper anterior thigh
The genital branch of the genitofemoral nerve provides motor innervation to _______________ and sensory innervation to _____________ and ______________
- cremaster muscle
- scrotum and mons pubis
The lateral femoral cutaneous nerve provides sensory innervation to…
Lateral thigh
T or F? The femoral nerve is the largest branch of the lumbar plexus?
True
The femoral nerve provides motor innervation to where?
anterior compartment of the thigh (hip flexors and knee extensors)
The obturator nerve provides motor innervation to where?
Medial compartment (hip adductors)
The femoral nerve provides sensory innervation to where?
anterior thigh and medial leg
The obturator nerve provides sensory innervation to where?
Medial lower thigh
Which nerve goes through the psoas major?
Genitofemoral nerve
What are the 4 primary nerves of the sacral plexus?
Superior gluteal nerve, inferior gluteal nerve, posterior femoral cutaneous nerve, pudendal nerve
Which sacral plexus nerve originates from L4-S1?
Superior gluteal nerve
Which sacral plexus nerve originates from L5-S2?
Inferior gluteal nerve
Which sacral plexus nerve originates from S1-S3?
posterior femoral cutaneous nerve
Which sacral plexus nerve originates from S2-S4?
Pudendal nerve
The superior gluteal nerve provides motor innervation to the?
Glute med, glute min, and TFL
The posterior femoral cutaneous nerve provides sensory innervation to the?
back and medial side of the thigh, popliteal fossa, and the upper part of the back of the leg
The inferior gluteal nerve provides motor innervation to the?
Glute max
Which nerve provides sensory and motor innervation to the perineum region?
Pudendal
Which nerve loops around the sacrospinous ligament and passes through both the greater and lesser sciatic foramen?
Pudendal nerve
The sciatic nerve branches off into which two nerves?
Tibial nerve (medial) and fibular/peroneal nerve (lateral)
The sciatic nerve provides motor innervation to the?
- posterior compartment of thigh (hamstrings)
Which nerve innervates the tibialis anterior?
deep peroneal nerve
Which nerve innervates the peroneus longus?
superficial peroneal nerve
Which nerve innervates the tibialis posterior?
tibial nerve
The sciatic nerve provides sensory innervation to the?
Foot and the lateral side of leg
Which nerve provides sensory innervation to the medial lower leg?
Saphenous nerve
What are the 6 hip external rotators?
(PGOGOQ)
- Piriformis
- Superior Gemellus
- Obturator Internus
- Inferior Gemellus
- Obturator Externus
- Quadratus Femoris
T or F? All of the sacral plexus nerves go through the greater sciatic foramen
True
What is the only sacral plexus nerve that goes superior to the piriformis?
superior gluteal nerve
Which nerve provides sensory innervation to the glutes?
Cluneal nerves (superior, medial, inferior)
- The internal iliac artery goes to the…
- The external iliac artery goes to the…
- pelvis
- down the lower extremity
The external iliac artery turns into the __________ artery after it passes the inguinal ligament
femoral