Anatomy Limbs 6 - Hip, Buttock and Thigh Flashcards

1
Q

What is dorsiflexion?

A

Raising the toes

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2
Q

What is plantar flexion?

A

Lowering the toes

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3
Q

What type of bone is the patella?

A

Sesamoid bone

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4
Q

What are 3 major compartments of the hip bone?

A

Ilium, Ischium and Pubis

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5
Q

What gap does the ilium, ischium and pubis form?

A

Obturator foramen

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6
Q

What are 2 major types of fracture to the hip/femur?

Which one is more common

A
  1. Fracture of femoral neck
  2. Intertrochanteric fracture

Fracture of femoral neck most common

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7
Q

What are 2 major ligaments in the pelvis?

A
  1. Sacrotuberous ligament

2. Sacrospinous ligament

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8
Q

What are the 2 foramina of the region?

A

Greater and lesser sciatic foramina

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9
Q

How many layers of fascia are there in the hip region?

What is the deep layer of fascia called?

A

2

Fascia lata = deep layer

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10
Q

What is the lateral thickened area of fascia on the thigh known as?

A

Iliotibial tract

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11
Q

Where are the extensors, abductors and external rotators of the hip?

A

Gluteal region

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12
Q

What are the 2 large groups of muscles in the gluteal region?

A
  1. Gluteal muscles

2. Short external (lateral) rotators of the hip

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13
Q

What muscles form the gluteal muscles?

A
  1. Gluteus maximus
  2. Gluteus medius
  3. Gluteus minimus
  4. Tensor fasciae latae
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14
Q

What muscles form the short external (lateral) rotators of the hip?

A
  1. Piriformis
  2. Obturator internus
  3. The gemelli (sup. and inf.)
  4. Quadratus femoris
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15
Q

Where are the 2 attachments of the gluteus Maximus?

A
  1. Gluteal tuberosity (25%)

2. Iliotibial tract (75%)

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16
Q

Where does the gluteus Maximus originate?

A

Posterior part of ilium, sacrum

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17
Q

What other muscle (aside from gluteus Maximus) attaches to the iliotibial tract

A

Tensor fasciae latae

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18
Q

Where does the tensor fasciae latee originate?

A

Anterior part of the iliac crest

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19
Q

What action does the gluteus medius and minimus act for?

A

Abduct and stabilise hip joint

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20
Q

Where does gluteus medius and minimus attach?

A

Greater trochanter of femur

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21
Q

What is the job of the obturator interns, sup/inf gemelli, piriformis etc

A

Stabilise the femur in the head of the acetabulum

and also lateral rotating activity

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22
Q

What is a bursa?

A

A sac of synovial fluid

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23
Q

Which 2 activities is the anterior compartment of the thigh responsible for

A

Hip flexion and knee extension

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24
Q

What are the anterior muscles of the thigh

A
  1. Pectineus
  2. Ilio-psoas
  3. (Tensor fasciae latae)
  4. Sartorius
  5. Quadriceps femoris:

Rectus femoris, vastus medialis, vastus intermedius, vastus lateralis

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25
The iliopsoas consists of 2 muscles which are
Psoas major and Iliacus
26
Proximally, where does sartorius attach?
ASIS
27
What action can the sartorius do?
Flex the knee and give external rotation
28
Which head is most superficial in quadriceps?
Rectus femoris
29
Where does the quadriceps attach to?
Patella
30
What action does the medial compartment of the thigh do?
Hip adductors
31
What muscles are in the medial compartment of the thigh?
Hip adductor muscles: 1. Adductor longus 2. Adductor brevis 3. Adductor magnus 4. Gracilis 5. Obturator externus
32
Where do the hip adductor muscles attach?
Pubic bone
33
What does the adductor Magnus have to allow structure to pass through?
Adductor hiatus - small gap
34
What is the action of the posterior compartment of the thigh
Knee flexors and hip extensors
35
What 3 muscles form the hamstrings
1. Semimembranosus 2. Semitendinosus 3. Biceps femoris
36
Where do the hamstrings attach proximally?
Ischial tuberosity
37
Biceps femurs goes from medial to lateral as it descends. Where is its distal attachment?
Head of the fibula
38
Which structures form the pes anserinus
Sartorius Gracilis Semitendinosus Semimembranosis
39
Where do semimembranosus and semitendinosus attach distally?
Medial condyle/shaft of tibia
40
What are the borders of the femoral triangle
Superiorly - inguinal ligament Medially - adductor longus Laterally - sartorius
41
What does the femoral triangle contain
Femoral Vein Femoral Artery Femoral Nerve (medial to lateral)
42
From where to where does the inguinal ligament run
ASIS to pubic tubercle
43
What is fascia holds down the femoral triangle?
Fascia lata
44
What is the opening called that gives rise to the great saphenous vein?
Saphenous opening
45
What does the saphenous vein drain Ito?
Femoral vein
46
The adductor canal runs along the medial aspect of the thigh. What are its borders
1. Vastus medialis (anteriorly) 2. Adductor longus and adductor Magnus posteriorly 3. Sartorius (medially)
47
What does the adductor canal contain
Femoral artery Femoral vein Saphenous nerve
48
How does the sciatic nerve pass from pelvis to buttock?
Via greater sciatic notch
49
Where does the sciatic nerve lie in the buttock
Inferior medial quadrant
50
Along what aspect of the thigh does the sciatic nerve pass?
Posterior
51
What does the sciatic nerve divide into?
Tibial nerve and common perineal nerve
52
What does the sciatic nerve supply
All hamstring muscles and all muscles below knee-level
53
Below which muscle does the sciatic nerve usually pass into the thigh?
Piriformis
54
Where is the safe area for i.m injection?
Upper lateral region (Avoids hitting sciatic nerve)
55
What does the acetabular labrum do?
Deepens the fossa
56
What is the acetabular fossa filled with?
Fibro-fatty tissue
57
To what structure does the ligament of the head of femur attach to?
Attaches to the head of the femur at the fovea
58
What ligament completes the socket for the femur to insert into?
Transverse acetabular ligament
59
What are the ligaments of the hip bone?
1. Iliofemoral ligament 2. Pubofemoral ligament 3. Ischio-femoral ligament 4. Ligament of the head of the femur
60
What are the capsular ligaments of the hip bone
1. Iliofemoral ligament 2. Pubofemoral ligament 3. Ischio-femoral ligament
61
What is the main artery branch that supplies the head of the femur?
Profunda femoris artery
62
What branches come off the profunda femuris artery
Lateral circumflex femoral artery and medial circumflex femoral artery
63
What is unusual about blood supply to the head of the femur
It goes distally to proximally - fracture at the neck of the femur can lead to avascular necrosis of the head of the femur
64
Describe the progression of arteries in the thigh region
Abdominal aorta splits into external and internal iliac - external iliac passes under inguinal ligament and becomes femoral artery - which then gives off a deep branch
65
How does the femoral artery and vein pass from the anterior compartment to the posterior compartment in the knee?
Via the hiatus of adductor Magnus muscle - they then become the POPLITEAL artery and vein
66
What are the superficial veins of the region?
1. Great saphenous vein - joins femoral artery at sapheno-femoral junction
67
What are the deep veins of the region
1. Popliteal vein 2. Femoral vein 3. External iliac vein
68
Explain lymph drainage of the region
Superficial and deep inguinal lymph nodes present - lots of nodes present
69
Which nerve supplies the anterior compartment of the thigh?
Femoral nerve
70
Which nerve supplies the medial compartment of the thigh?
Obturator nerve
71
Which nerve supplies the posterior compartment of the thigh?
Sciatic nerve - also everything below knee
72
Which roots supply hip flexors?
L2/3
73
Which roots supply hip extensors
L4/5
74
Which roots supply knee extensors
L3/4
75
Which roots supply knee flexors
l5/s1