Posterior and Gluteal Region Flashcards

1
Q

High yield information about greater sciatic foramen

A

A portal into the gluteal region and posterior thigh. The sciatic nerve goes through here and is huge!

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

What innervates the gluteus medius, minimus and tensor fascia lata?

A

Superior gluteal nerve (L4-S1)

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

Injury to superior gluteal nerve results in…

A

Trendelenburg sign

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

What innervates the gluteus maximus?

A

Inferior gluteal nerve (L5-S2)

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

If injury occurs to inferior gluteal nerve, what happens?

A

Weakness rising from sitting position, going up stairs

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

The thigh has 3 muscle compartments, which ones?

A

Anterior, medial, and posterior

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

What innervates the anterior compartment of posterior thigh?

A

Femoral nerve (L2-4) + anterior rami from lumbar plexus (L1-4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What innervates the posterior thigh compartment?

A

Sciatic nerve (L5-S2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What innervates the medial compartment of posterior thigh?

A

Obturator nerve (L2-4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the primary hip extensor?

A

Gluteus maximus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the primary knee flexor?

A

Hamstrings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the best bony sites to find the femoral nerve?

A

PSIS, greater sciatic foramen, greater trochanter, and ischial tuberosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What innervates the gluteus maximus? What is its primary functions?

A

Innervation: inferior gluteal nerve
Function: Hip extension, lateral rotator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Attachment, insertion, innervation, and function of gluteus medius

A

Attachment: ala of ilium
Insertion: greater trochanter
Innervation: superior gluteal nerve
Function: abduction, medial rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Attachment, insertion, innervation, and function of gluteus minimus

A

Attachment: ala of ilium
Insertion: ~
Innervation: superior gluteal nerve
Function: medial rotators, abductors

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

Attachment, insertion, innervation, and function of tensor fascia lata

A

Attachment: ASIS
Insertion: IT Band
Innervation: superior gluteal nerve
Function: abductor, lateral rotator of tibia, locks knee

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What are the lateral rotators of the leg?

A

Obturator internus, gemelli brothers, quadratus femoris, piriformis, obturator externus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is innervated by nerve to obturator internus?

A

Obturator internus and gemellus superior

19
Q

What is innervated by the nerve to quadratus femoris?

A

Quadratus femoris and inferior gemellus

20
Q

What innervates piriformis?

A

Branches of ventral rami (S1, S2)

21
Q

Function of obturator externus

A

Lateral rotators

22
Q

What are the muscles of the posterior thigh?

A

Biceps femoris, semimembranosus, semitendinosus, popliteus

23
Q

What unlocks the knee?

A

Popliteus

24
Q

What is the attachment, function, and innervation of hamstrings?

A

Attachment: Ischial tuberosity
Function: flexes knee, extends hip
Innervation: sciatic nerve

25
Q

Pes anserinus is lovingly known as…

A

GOOOOOSE FOOT

26
Q

What three muscles make up pes anserinus?

A

Sartorius, gracilis, and semitendinosus

27
Q

What is the distal attachment of goose foot?

A

Medial tibia

28
Q

What are the common tendons used for ACL repair?

A

Semitendinosus and gracilis tendons

29
Q

What are components of the saphenous nerve?

A

GSA, GVA, GVE

30
Q

What is inside the greater sciatic foramen?

A

Superior gluteal VAN, inferior gluteal VAN and sciatic nerve

31
Q

What is the best artery for collateral support of geniculars?

A

Medial superior genicular artery

32
Q

What is the continuation of femoral artery?

A

Popliteal artery

33
Q

What are the components of the popliteal fossa?

A

Common fibular nerve, tibial nerve, sural nerve, popliteal artery, lesser saphenous vein, popliteal vein

34
Q

What is the deepest component of the right popliteal fossa?

A

Popliteal artery

35
Q

What is the most superficial component of the popliteal fossa?

A

Lesser saphenous vein and sural vein

36
Q

What is in the intermediate layer of the popliteal fossa?

A

Tibial nerve and popliteal vein

37
Q

What is the deepest component of the popliteal fossa?

A

Popliteal artery

38
Q

What forms the floor of the popliteal fossa?

A

Popliteus

39
Q

What is the muscle that prevents pelvis from tilting when walking?

A

Gluteus medius

40
Q

What extends the leg?

A

Quadriceps femoris

41
Q

What is the major artery of the femur?

A

Medial femoral circumflex artery

42
Q

What is the spinal level of the patellar reflex?

A

L4

43
Q

Innervation of adductor magnus

A

Obturator, tibial portion of sciatic