Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Principles I* > E4- Regional Neuroanatomy : Lower > Flashcards

E4- Regional Neuroanatomy : Lower Flashcards

1
Q

What provides motor and sensory innervation for the pelvis and lower limbs?

A
  • Lumbosacral plexus
  • Lumbar plexus (superior)
  • Sacral plexus (inferior)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What spinal nerves contribute to the lumbosacral plexus?

A
  • Spinal Nerves L1 to S4.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What spinal nerves contribute to the lumbar plexus?

A
  • Spinal Nerves L1 to L4

**sometimes connecting point from T12 - not significant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What spinal nerves contribute to the sacral plexus?

A
  • Spinal Nerves L4 to S4.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the 6 nerves + their levels that make up the lumbar plexus?
Mneumonic?

A
  • Iliohypogastric nerve = L1
  • Ilioinguinal nerve = L1
  • Genitofemoral nerve = L1-L2
  • Lateral cutaneous nerve of the thigh = L2-L3
  • Obturator nerve = L2-L4
  • Femoral nerve = L2-L4

I, I Get Laid On Fridays

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the largest diameter nerve in the lumbar plexus?

A
  • Femoral nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the 3 superior pelvic nerves?

A
  • Iliohypogastric nerve
  • Ilioinguinal nerve
  • Genitofemoral nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What muscle do the 3 superior pelvic nerves originate from?

A
  • Psoas major muscle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The Iliolhypogastric nerve will provide sensory innervation to what parts of the body? 2 Branches?

A
  • Small part of the lateral pelvis/hip = lateral cutaneous branch
  • Anterior portion of the reproductive system = anterior cutaneous branch
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What muscles will have motor innervation through the iliohypogastric nerve?

A
  • Transverse abdominis = breathing under labor/stress
  • Internal abdominis muscles
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The Ilioinguinal nerve will provide sensory innervation to what parts of the body? 2 branches?

A
  • Inferior branch = Medial upper quadricep muscle
  • Right above reproductive organs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What muscles will have motor innervation through the ilioinguinal nerve?

A
  • Internal oblique muscle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The genitofemoral nerve branches off into what two nerves? Sensory?

A
  • Femoral branch - upper middle thigh
  • Genital branch - reproductive organs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What muscles in men will have motor innervation through the genitofemoral nerve?

A
  • Cremaster muscle/ Reflex
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What ligament is attached to the pubic tubercle?

A
  • Inguinal Ligament
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are two attachment points for the inguinal ligament?

A
  • Anterior Superior Iliac Spine (ASIS)
  • Pubic Tubercle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

A horizontal line across the iliac crest will indicate what landmark on the spine?

A
  • The border of L4 and L5
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the muscles that inferior border the femoral triangle?
Superior border?

A
  • Iliopsoas
  • Sartorius
  • Pectineus
  • Adductor Longus

Inguinal ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Describe the position of the femoral nerve, femoral artery, and femoral vein in the femoral triangle.

A
  • Femoral Nerve: Lateral
  • Femoral Artery: Middle
  • Femoral Vein: Medial

NAV = mneumonic

These structures are about 1 cm apart from each other.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What wraps around the femoral nerve, artery, and vein?

A
  • Femoral sheath
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What does femoral nerve branch into?

A
  • many branches = motor for upper leg sk muscles
  • saphenous nerve - entire sensory lower leg
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What nerve is responsible for the sensory innervation of the lower leg?

A
  • Saphenous Nerve

Saphenous Nerve is branched off the femoral nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The adductor canal is between what two muscles?

A
  • Anterior and medial thigh muscles
  • The adductor canal is also inferior to the femoral triangle.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What are the three muscles that surround the adductor canal?

A
  • Sartorius Muscle
  • Adductor Longus
  • Vastus Medialis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What does the adductor canal provide a pathway for?

A
  • Pathway for the saphenous nerve to pass through.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What is sensory and motor for lateral cutaneous nerve (LCA)?

A
  • sensory information to the lateral anterior thigh
  • NO MOTOR

passes under inguinal ligament

27
Q

What foramen does the obturator nerve pass through?

A
  • Obturator Foramen at the base of the pelvis
28
Q

The obturator nerve serves primarily as a motor neuron. What muscles does the obturator nerve innervate?

A
  • Obturator externus
  • Adductor longus
  • Adductor brevis
  • Gracilis
  • Pectineus
  • Adductor magnus
29
Q

Where would the obturator nerve provide sensory innervation?

A
  • There is a small cutaneous branch on the medial thigh just above the knee.
30
Q

What ligament will the femoral nerve sit right under?

A
  • Inguinal Ligament
31
Q

The femoral nerve will innervate what four muscles in the leg?

A
  • Iliopsoas
  • Pectineus
  • Sartorius
  • Quadricep femoris

Runs under inguinal ligamenet bw pelvis

32
Q

What are the sensory branches of the femoral nerve?

A
  • Anterior cutaneous branch of the femoral nerve = medial thigh
  • Saphenous nerve = medial lower thigh
33
Q

What are the 7 nerves of the Sacral Plexus + their levels?

A
  • Superior Gluteal n. = L4-S1
  • Infeiror Gluteal n. = L5-S2
  • Posterior Cutaneous n. = S1-S3
  • Sciatic n.
  • Common fibular n. = L4-S2
  • Tibial n. = L4-S3
  • Pudendal n. = S2-S4
34
Q

What are the primary motor nerves of the sacral plexus?

A
  • Superior gluteal nerve = L4-S1
  • Inferior gluteal nerve = L5-S2
35
Q

What are the three gluteal muscles?

A
  • Gluteus Maximus
  • Gluteus Minimus
  • Gluteus Medius
36
Q

What muscles does the superior gluteal nerve innervate?

A
  • Gluteus Medius
  • Gluteus Minimus
  • Tensor Fasciae Latae
37
Q

What muscles does the inferior gluteal nerve innervate?

A
  • Gluteus Maximus
38
Q

What four main nerves provide sensory innervation to the gluteal region?

A
  • Superior Clunial Nerve
  • Middle Clunial Nerve
  • Inferior Clunial Nerve
  • Lateral Branch of Iliohypogastric Nerve
39
Q

The superior clunial nerve is formed by what spinal nerves?

A
  • Posterior Rami of L1 to L3
40
Q

The middle clunial nerve is formed by what spinal nerves?

A
  • Posterior Rami of S1 to S3
41
Q

The inferior clunial nerve arises from what nerve?

A
  • Posterior femoral cutaneous (branch of the sacral plexus)
42
Q

The sciatic nerve is a combo of what two nerves?

A
  • Tibial Nerve = L4 to S3
  • Common Fibular Nerve = L4 to S2
43
Q

The sciatic nerve is formed from what spinal nerve?

A
  • Spinal Nerve L4 to S3
44
Q

What is another term for the common fibular nerve?

A
  • Peroneal Nerve
45
Q

What is the largest nerve in the body in terms of diameter?

A
  • Sciatic Nerve
46
Q

Label 1

A
  • Sciatic nerve
47
Q

Label 2

A
  • Common fibular nerve (peroneal nerve)
48
Q

Label 3

A
  • Deep fibular nerve
49
Q

Label 4

A
  • Superficial fibular nerve
50
Q

Label 5

A
  • Superficial fibular nerve
51
Q

The common fibular nerve splits into what 3 divisions?

A
  • Lateral Sural Cutaneous Nerve
  • Superficial Fibular Nerve
  • Deep Fibular Nerve
52
Q

Where does the Lateral Sural Cutaneous nerve provide sensory innervation?

A
  • Lateral side of the calf
53
Q

Where does the Superficial Fibular Nerve provide sensory innervation?
2 branches?

A
  • Top of the foot
54
Q

What are the two branches of the superficial fibular nerve?

A
  • Medial dorsal cutaneous nerve
  • Intermediate dorsal cutaneous nerve
55
Q

Where does the Deep Fibular Nerve provide sensory innervation?

A
  • Between the Big Toe and 2nd Toe
56
Q

What are the branches of the Deep Fibular Nerve?

A
  • Lateral cutaneous nerve of the big toe
  • Medial cutaneous nerve of the 2nd toe
57
Q

Label 1, 2, and 3

A
  • 1: Sciatic Nerve
  • 2: Tibial Nerve (travels medially)
  • 3: Common Fibular Nerve (travels laterally)
58
Q

Is the tibial nerve medial or lateral ?

A
  • medial = tibial n.
  • lateral = fibular n.
59
Q

What are the 3 branches of the Tibial nerve?

A
  • large, direct cutaneous brances of TIBIAL NERVE
  • Medial Plantar nerve
  • Lateral Plantar nerve
60
Q

What are the four direct cutaneous branches of the tibial nerve?

A
  • Medial Sural Cutaneous Branch = back part of leg
  • Medial Calcaneal Branch
  • Lateral Calcaneal Branch
  • Lateral Dorsal Cutaneous Branch
61
Q

The tibial nerve will branch off to what two nerves at the foot? Sensory area?

A
  • Medial Plantar Nerve = medial bottom of foot
  • Lateral Plantar Nerve = lateral bottom of foot
62
Q

List the spinal nerve origins of the following:
-Superior gluteal nerve
-Inferior gluteal nerve
-Posterior cutaneous nerve of thigh
-Common fibular nerve
-Tibial nerve
- Pudendal nerve

A
63
Q

Name the function of the pudendal nerve. Why is it important?

A
  • Sensory innervation to the pelvis
  • Rectum and colon motility
  • Reproductive organ function - esp men

close to prostate during bph surgery!

64
Q

Where does the posterior cutaneous nerve of the thigh provide sensory innervation?

A
  • Hamstring
  • Lower Gluteal Region
  • This nerve is also the starting point of the inferior clunial nerve

Principles I* (20 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions