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Flashcards in Gluteal Region And Hip Joint Deck (47):
1

Greater Sciatic Foramen

Passageway for structures entering or leaving PELVIS

2

Posterior gluteal muscles

1. Gluteus Maximus

2. Gluteus Medius

3

Ligaments of the articulated pelvis

1. Obturator Membrane

2. Sacro-Tuberous

3. Sacro-Spinous

4. Sacro-Iliac

5. Ilio-Lumbar

4

Characteristics of the Acetabular Fossa

- Socket Portion for the Femoral head

- Formed by FUSION of all three Pelvic Bones

- Covered in Hyaline Cartilage

- Deeper Central part consist of Fat pad

5

T/F: Gluteus Medius and Minimus are 2 muscles separated by the Gluteal Nerve

False

They are the SAME muscle separated by the Gluteal Nerve

6

Actions of the Gluteus MAXIMUS

- Extent thigh

- Externally rotate thigh

- Extend PELVIS when lower limbs are flexed

- Necessary for rising from seated position, running and jumping

7

Cutaneous innervation to the Buttock

Upper Lateral Quadrant

1. Ilio-Hypo-Gastric
- L1

2. Anterior Rami
- T12

8

Origin and Insertion of Gluteus MAXIMUS

Origin
- Post Gluteal Line of Ilium

- Surfaces of Sacrum

- Coccyx

- Sacrotuberous ligament


Insertion
- Gluteal tuberosity

- Iliac-tibial tract

9

What portion of the Acetabular fossa participates in the articulation?

The Outer HORSE-SHOE shaped potion

10

Origin and Insertion of the Gluteus Minimus

Origin
- Ilium b/w Ant. And Inf. Gluteal Lines

Insertion
- Ant border of the Greater TROCHANTER
- Same as Gluteus Medius

11

Fxn of the Greater Sciatic Foramen

Main door for passage of structures from Pelvis to Thigh

12

Q-Angle

Created by the Intersection of:

- Long axes of the Tibia

- Femur

13

Trendelenburg Test

- Evaluates strength of Gluteal MEDIUS

- Pt stands up and raises one foot of the ground

- Contralateral gluteus Med should lower CL hip and raise IL Hip

- Needed to clear foot from the ground during swing phase of walking

14

Innervation of the Gluteus Maximus

Inferior GLUTEAL Nerve
-> L5
-> S1-S2

15

Innervation to the Acetabulum

1. Femoral Nerve

2. Obturator Nerve

16

Lesser Sciatic Foramen

Passageway for structures entering or leaving PERINEUM

17

*Blood Supply to the Hip Bone*

Three total Arteries
1. Gluteal (Sup/Inf)

2. FEMORAL Circumflex (MedLat)

3. Obturator

18

Vascular Supply to the Gluteus Maximus

Inferior Gluteal Artery
- From Internal Iliac

19

The 4 muscles of the Gluteal Group are _____.

AB-ductors

20

Bursae of the Gluteal Compartments

1. Trocanhteric

2. Gluteo-Femoral

3. Ischial (Sciatic)

21

Nerves passing through the Greater Sciatic Foramen

- Sciatic Nerve

- Pudendal Nerve

- Post. Femoral Cutaneous Nerve

- Nerves to Quadratus Femoris

- Nerves to Obturator Internus

22

Vessels passing through the Greater Sciatic Foramen

- Sup/Inf Gluteal

- Internal Pudendal Artery

- Internal Pudendal Vein

23

Fxn of the 6 Deep External Rotators

Rotate unsupported side of Pelvis forward to Increase Stride

24

Structures passing through the Lesser Sciatic Foramen

- Tendon of Obturator Internus

- Pudendal Nerve

- Internal Pudendal Vessel

- Nerve to Obturator Internus

T. PIN

25

Innervation to the LATERAL Gluteal compartment

SUPERIOR Gluteal Nerve
- L5
- S1

26

Vascular Supply to the LATERAL Gluteal compartment

SUPERIOR Gluteal Artery

27

Origin and Insertion of the Gluteus Medius

Origin
- Ilium b/w ANT and POST gluteal lines

- Gluteal aponeurosis

Insertion
- Ant. Border of Greater TROCHANTER

28

Fxn of the Angle of inclination?

AD-Ducts Distal end of the Femur

- So the Tibia are Parallel to each other

29

What separates the Sciatic notches?

The Ischial Spine

30

Attachments of the Deep Fascia of the buttock

1. Iliac Crest Tubercle SUP.

2. Lateral Condyle INF.

3. Forms sheath for Tensor Fascia Latae

4. Receives greater part of insertion of Gluteus Maximus

31

Fxn of the Gluteal muscles

Prevent Pelvis and Body from Falling to the unsupported side when one foot is off the ground

- Walking

32

What converts Notches into Foramina?

Ligaments

33

Angle Values

- Infant

- 3yr

- Adult

- Elderly

- 150

- 135

- 125

- 120

34

Characteristics of the SUPERFICIAL Fascia of the Gluteal Region

- Tied Down to BOTTOM of Buttock

- Forms GLUTEAL (natal) fold

35

Action of the LATERAL Gluteal compartment

- Hip AB-Duction

- Medial Rotators

36

What are the 6 deep ext rotators

1. Piriformis

2. Sup Gemellus

3. Inf Gemellus

4. Obt. Internus

5. Obt. Externus

6. Quadratus Femoris

37

Lateral Gluteal Muscles

1. Gluteus Minimus

2. Tensor Fascia Latae

38

Muscles passing through the Greater Sciatic Foramen

Piriformis Muscle

39

Where does the Piriformis leave? Where does it travel to?

- Leaves the PELVIS

- Through the Greater Sciatic FORAMEN

40

Characteristics of the DEEP Fascia of the Gluteal Region

- Continuous with deep Fascia of the THIGH
(Fascia lata)

- Single layer attached to iliac crest

- Covers gluteus Medius

- Splits to enclose gluteus Maximus muscle

- Continues to Iliac-Tibial tract on Lateral Surface of Thigh

41

Cutaneous innervation to the Buttock

Lower Lateral Quadrant

1. Branches of Anterior Rami from Lateral Femoral Cutaneous
-> S2-S3

42

Cutaneous innervation to the Buttock

Upper Medial Quadrant

1. Posterior Rami of L1-L3

2. S1-S3

43

What is the Gluteus Maximus NOT required for?

Normal Walking

44

What is the Strongest and Most important ligament of the Hip Joint?

Ilio-Femoral Ligament

- Called the Y ligament

45

Cutaneous innervation to the Buttock

Lower Medial Quadrant

1. Branches from the Posterior Femoral Nerves

2. Anterior Rami S1-S3

46

The 4 Muscles of the Gluteals are:

1. Maximus

2. Medius

3. Minimus

4. Tensor Fascia Latae

47

Origin and Insertion of the Tensor Fascia Lata

Origin
- Outer Lips of the Iliac
Crest
- ASIS


Insertion
- Ilio-TIBIAL Tract (IT)