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Anatomy II Exam 2 > Gluteal Region And Hip Joint > Flashcards

Gluteal Region And Hip Joint Flashcards

1
Q

Greater Sciatic Foramen

A

Passageway for structures entering or leaving PELVIS

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2
Q

Posterior gluteal muscles

A
  1. Gluteus Maximus

2. Gluteus Medius

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3
Q

Ligaments of the articulated pelvis

A
  1. Obturator Membrane
  2. Sacro-Tuberous
  3. Sacro-Spinous
  4. Sacro-Iliac
  5. Ilio-Lumbar
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4
Q

Characteristics of the Acetabular Fossa

A
  • 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
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5
Q

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

A

False

They are the SAME muscle separated by the Gluteal Nerve

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6
Q

Actions of the Gluteus MAXIMUS

A
  • Extent thigh
  • Externally rotate thigh
  • Extend PELVIS when lower limbs are flexed
  • Necessary for rising from seated position, running and jumping
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7
Q

Cutaneous innervation to the Buttock

Upper Lateral Quadrant

A
  1. Ilio-Hypo-Gastric
    - L1
  2. Anterior Rami
    - T12
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8
Q

Origin and Insertion of Gluteus MAXIMUS

A

Origin
- Post Gluteal Line of Ilium

  • Surfaces of Sacrum
  • Coccyx
  • Sacrotuberous ligament

Insertion
- Gluteal tuberosity

  • Iliac-tibial tract
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9
Q

What portion of the Acetabular fossa participates in the articulation?

A

The Outer HORSE-SHOE shaped potion

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10
Q

Origin and Insertion of the Gluteus Minimus

A

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

Insertion

  • Ant border of the Greater TROCHANTER
  • Same as Gluteus Medius
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11
Q

Fxn of the Greater Sciatic Foramen

A

Main door for passage of structures from Pelvis to Thigh

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12
Q

Q-Angle

A

Created by the Intersection of:

  • Long axes of the Tibia
  • Femur
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13
Q

Trendelenburg Test

A
  • 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
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14
Q

Innervation of the Gluteus Maximus

A

Inferior GLUTEAL Nerve

  • > L5
  • > S1-S2
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15
Q

Innervation to the Acetabulum

A
  1. Femoral Nerve

2. Obturator Nerve

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16
Q

Lesser Sciatic Foramen

A

Passageway for structures entering or leaving PERINEUM

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17
Q

Blood Supply to the Hip Bone

A

Three total Arteries
1. Gluteal (Sup/Inf)

  1. FEMORAL Circumflex (MedLat)
  2. Obturator
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18
Q

Vascular Supply to the Gluteus Maximus

A

Inferior Gluteal Artery

- From Internal Iliac

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19
Q

The 4 muscles of the Gluteal Group are _____.

A

AB-ductors

20
Q

Bursae of the Gluteal Compartments

A
  1. Trocanhteric
  2. Gluteo-Femoral
  3. Ischial (Sciatic)
21
Q

Nerves passing through the Greater Sciatic Foramen

A
  • Sciatic Nerve
  • Pudendal Nerve
  • Post. Femoral Cutaneous Nerve
  • Nerves to Quadratus Femoris
  • Nerves to Obturator Internus
22
Q

Vessels passing through the Greater Sciatic Foramen

A
  • Sup/Inf Gluteal
  • Internal Pudendal Artery
  • Internal Pudendal Vein
23
Q

Fxn of the 6 Deep External Rotators

A

Rotate unsupported side of Pelvis forward to Increase Stride

24
Q

Structures passing through the Lesser Sciatic Foramen

A
  • Tendon of Obturator Internus
  • Pudendal Nerve
  • Internal Pudendal Vessel
  • Nerve to Obturator Internus

T. PIN

25
Q

Innervation to the LATERAL Gluteal compartment

A

SUPERIOR Gluteal Nerve

  • L5
  • S1
26
Q

Vascular Supply to the LATERAL Gluteal compartment

A

SUPERIOR Gluteal Artery

27
Q

Origin and Insertion of the Gluteus Medius

A

Origin
- Ilium b/w ANT and POST gluteal lines

  • Gluteal aponeurosis

Insertion
- Ant. Border of Greater TROCHANTER

28
Q

Fxn of the Angle of inclination?

A

AD-Ducts Distal end of the Femur

  • So the Tibia are Parallel to each other
29
Q

What separates the Sciatic notches?

A

The Ischial Spine

30
Q

Attachments of the Deep Fascia of the buttock

A
  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
Q

Fxn of the Gluteal muscles

A

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

  • Walking
32
Q

What converts Notches into Foramina?

A

Ligaments

33
Q

Angle Values

  • Infant
  • 3yr
  • Adult
  • Elderly
A
  • 150
  • 135
  • 125
  • 120
34
Q

Characteristics of the SUPERFICIAL Fascia of the Gluteal Region

A
  • Tied Down to BOTTOM of Buttock

- Forms GLUTEAL (natal) fold

35
Q

Action of the LATERAL Gluteal compartment

A
  • Hip AB-Duction

- Medial Rotators

36
Q

What are the 6 deep ext rotators

A
  1. Piriformis
  2. Sup Gemellus
  3. Inf Gemellus
  4. Obt. Internus
  5. Obt. Externus
  6. Quadratus Femoris
37
Q

Lateral Gluteal Muscles

A
  1. Gluteus Minimus

2. Tensor Fascia Latae

38
Q

Muscles passing through the Greater Sciatic Foramen

A

Piriformis Muscle

39
Q

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

A
  • Leaves the PELVIS

- Through the Greater Sciatic FORAMEN

40
Q

Characteristics of the DEEP Fascia of the Gluteal Region

A
  • 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
Q

Cutaneous innervation to the Buttock

Lower Lateral Quadrant

A
  1. Branches of Anterior Rami from Lateral Femoral Cutaneous

- > S2-S3

42
Q

Cutaneous innervation to the Buttock

Upper Medial Quadrant

A
  1. Posterior Rami of L1-L3

2. S1-S3

43
Q

What is the Gluteus Maximus NOT required for?

A

Normal Walking

44
Q

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

A

Ilio-Femoral Ligament

  • Called the Y ligament
45
Q

Cutaneous innervation to the Buttock

Lower Medial Quadrant

A
  1. Branches from the Posterior Femoral Nerves

2. Anterior Rami S1-S3

46
Q

The 4 Muscles of the Gluteals are:

A
  1. Maximus
  2. Medius
  3. Minimus
  4. Tensor Fascia Latae
47
Q

Origin and Insertion of the Tensor Fascia Lata

A

Origin
- Outer Lips of the Iliac
Crest
- ASIS

Insertion
- Ilio-TIBIAL Tract (IT)

Anatomy II Exam 2 (5 decks)

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