Lecture 9.2 Flashcards Preview

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Flashcards in Lecture 9.2 Deck (55):
1

Lumbar plexus are contributed to by ventral rami of

T12 + L1-4

2

The plexus of ventral rami L1-4 occur with _____ major

Psoas major

3

T12 and L1 go on to supply the ..

anterior abdominal wall

4

L2/3/4 go on to supply the nerve of the ____ -___

lower limb

5

From the lateral border of psoas major, 4 branches originate, what are they?

ilioinguinal and iliohypogastric nerves (L1)

Lateral cutaneous nerve of thigh (L2,3)

Femoral nerve L,2,3,4

6

The one anterior branch from Psoas major is

Genitofemoral nerve (L1,2)

7

The one medial branch from Psoas major is

obturator nerve (L2,3,4)

8

True or false

Psoas major attaches to the vertebral bodies (transverse process) and the vertebral discs

true

9

IlioHypogastric nerve is ___ than ilioInguinal nerve

higher (in alphabet as well)


(going to anterior abdominal wall- above quadratus lumborum)

10

The lateral femoral cuntaneous nerve of thigh tucks under the ____ _____ immediately adjacent to its attachment to ASIS

inguinal ligament

Then runs down the lateral thigh

11

Pins and Needles in pregnancy down the lateral side of the thigh can be caused by

The lateral cutanous nerve of thigh being trapped against the ASIS and the inguinal ligament

12

The femoral nerve is the ____ of the 4 branches from psoas

lowest

13

The femoral nerve passes under what going into the thigh

inguinal ligament

14

The Genitofemoral nerve branches into the .

genital branch

femoral branch - continues under the inguinal ligament

15

Obturator nerve is for the _____ muscles

adductor

(derived from flexor musculature - therefore has anterior fibres)

16

the Obturator nerve enters the addctor compartment through the ______ ___

obturator canal

17

The lumbosacral truck (leftover branches from L4,5) joints S1-4 on ______ (muscle) to form the ____ ___

The lumbosacral truck (leftover branches from L4,5) joints S1-4 on piriformus to form the

sacral plexus

18

The femoral nerve is motor to

Quads
Sartorius
Pectineus

19

The femoral nerve divides into its terminal branches just ____ to the ____ ______

distal to the inguinal ligament

(motor, sensory and articular)

20

The femoral nerve is sensory to the

anteromedial thigh and medial side of knee leg and anke

Anterior cutaneous branches

Saphenous nerve

Also braches to the joints they pass

21

What nerves come off the femoral nerve to supply skin on thigh (on medial side)

Medial and intermediate cutaneous nerves of thigh

22

What nerves come off the femoral nerve to supply skin on the medial side of the leg and foot?

the saphenous nerve

23

the pectineus has two actions and therefore ____ _____ ______ (same as adductor magnus)

two nerve supplies

24

once the obturator nerve is in the adductor compartment it splits...

into anterior and posterior branches

25

The skin of the medial side of the thigh, just above the knee is supplied by what nerve?

obturator nerve

26

Compressions of the obturator nerve (i.e from ovary) can be reffered to the ...

The skin of the medial side of the thigh, just above the knee

27

The sciatic nerve contains anterior and posterior fibres of ...

L4-5, S1-3

28

The sciatic nerve

emerges _____ piriformis

______ to hip joint

Passes ___ biceps femoris


emerges beneath piriformis

posteriorto hip joint

Passes under biceps femoris

29

The sciatic nerve divides at the apex of the _______ ____

popliteal fossa (most commonly)

30

Before it divides, the sciatic nerve supplies ONLY the ______ muscles

hamstring

31

The hamstring are supplied by the tibial component of Sciatic EXCEPT for short head of Biceps femoris which is by the ______ _______ component

common fibular component

32

The tibial nerve is the nerve of the ____ compartment of the leg and the ____ of the foot

The tibial nerve is the nerve of the posterior compartment of the leg and the sole of the foot

33

The tibial nerve is in _____ muscle territory so takes _____ division fibres of the ventral rami

The tibial nerve is in flexor muscle territory so takes anterior division fibres of the ventral rami

34

S4 is special - it's all about the pelvic ___ and _______

S4 is special - all about the pelvic floor and perineum

(not in the tibial and common fibula nerve)

35

Tibial nerve is the "____" of Tom, Dick & Very Naughty Harr

Structures passing under the flexor retinaculum of the foot


Tom - Tibialis Posterior
Dick - Flexor digitorum longus
And -Posterior tibial artery
Very -Posterior tibial vein
Naughty - Tibial Nerve
Harry -Flexor hallicus longus

36

Tibial nerve is _____to muscles of the posterior leg and sole of foot

Tibial nerve is motor to muscles of the posterior leg and sole of foot

37

Tibial nerve is sensory to...

posterolateral leg

lateral side of foot

sole of foot

38

The sural nerve can be seen as a branch from the tibial nerve, but gets a branch from the ______ _____ nerve as well

The sural nerve can be seen as a branch from the tibial nerve, but gets a branch from the common fibula nerve as well

39

The sural nerve is sensory to the ______ leg and _____ side of foot

The sural nerve is sensory to the posterolateral leg and lateral side of foot

40

true or False

The common fibular nerve contains L4,5 S1-3 posterior divisions

False

does not contain S3

- L4,5 S1,2

41

The common fibular nerve is adjacent and ____ to the biceps femoris (most lateral structure look at back of knee)

The common fibular nerve is adjacent and medial to the biceps femoris (most lateral structure look at back of knee)

42

The Common fibular nerve winds around the neck of the _____

and sinks in to _____ ____

fibula

and sinks in to fiblaris longus

43

The deep fibuar nerve is motor to the ____ compartment of leg and sensory to ....

The deep fibuar nerve is motor to the anterior compartment of leg and sensroy to 1st toe cleft

44

Superficial fibular nerve is motor to ______ compartment of leg and sensory to lateral leg and dorsum of foot

Superficial fibular nerve is motor to lateral compartment of leg and sensory to _____ leg and _____of foot


Kind of like musculo-cutaneous - gets its motor innveration done quickly (fibuaris longus & brevis) then goes to cutaneous innervation

45

The common fibular nerve itself has no _____ branches

no motor banches

46

The common fibular nerve emerges at the proximal fibula next to

tendon of biceps

47

Foot drop is associated with laceration of what nerve?

common fibula nerve

(deep fibula nerve does anterior compartment)

48

What is special about fibularis longus?

It is where common fibula n. splits

49

Large muscles in the gluteal region are supplied by the ...

superior and inferior gluteal nerves

50

Posterior compartment f thigh and leg and sole of foot are supplied by ___ part of sciatic nerve (except....._

tibial part of sciatic nerve (except short head of biceps)

51

The femoral nerve innervates skin on the ...

anterior and medial thigh and medial side of leg and foot (via saphenous nerve)

52

True or False

The obtrator doesn't innervate skin

False

small area medially just above knee

53

The tibial part of the sciatic nerve innervates:

The posterior leg
Lateral side of ankle and foot

via the ____ branch

and Sole of foot

via the ____ branch

via the sural branch

sole of foot v

54

The lateral cutaneous nerve of thigh comes from the _____ plexus

lumbar plexus

lateral-lumbar

55

The posterior cutaneous nerve of thigh comes from the _____ plexus

sacral plexus