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Functional Anatomy > Hip Joint > Flashcards

Hip Joint Flashcards

1
Q

What type of joint is the hip joint?

A

Synovial ball and socket

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2
Q

What are the articular surfaces of the hip joint?

A

Head of femur with the acetabulum of the pelvis and labrum

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3
Q

Describe the capsule of the hip joint?

A

Strong fibrous capsule attaching to the margins of the acetabulum and intertrochanteric line (anterior) and neck of the femur (posterior)

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4
Q

What are the ligaments involved in the hip joint?

A

Iliofemoral, pubofemoral, Ischiofemoral, Ligametnum Teres and Transverse ligament of acetabulum

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5
Q

What helps the stability of the hip joint?

A

Shape of articular surfaces; associated muscles and ligaments within the joint capsule

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6
Q

What are the movements of the hip joint?

A

Flexion and extension
Abduction and Adduction
Medial and lateral rotation

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7
Q

What is known as the lunate surface?

A

Acetabulum

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8
Q

What forms the acetabulum?

A

Pubis, Ilium and Ischium

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9
Q

What is an incomplete ring of cartilage?

A

Acetabulum

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10
Q

What part of the acetabulum is non-articular?

A

Acetabular fossa

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11
Q

What is the labrum?

A

Fibrocartilaginous rim attached to the acetabular margin

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12
Q

What is the function of the labrum?

A

Deepens the acetabulum and bridges the acetabular notch by attaching to the peripheral edge of the transverse acetabular ligament.

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13
Q

Does the labrum contribute to joint stability?

A

Yes

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14
Q

What is the cartilage covering the head of the femur?

A

Hyaline cartilage

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15
Q

What part of the head of the femur is not covered in cartilage?

A

Fovea capitis

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16
Q

Where does ligamentum teres attach to?

A

Fovea capitis

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17
Q

What is a strong triangular shaped ligament?

A

Iliofemoral Ligament

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18
Q

What ligament attaches to the anterior surface of the joint?

A

Iliofemoral ligament

19
Q

What does the iliofemoral ligament limit?

A

Extension, lateral rotation, adduction and abduction

20
Q

What ligament strengthens anterior and inferior parts of the joint capsule?

A

Pubofemoral Ligament

21
Q

Where does the pubofemoral ligament attach?

A

From iliopubic eminence to inferior part of intertrochanteric line

22
Q

The thinnest region of what ligament is crossed by iliopsoas tendon to reinforce the joint?

A

Pubofemoral ligament

23
Q

What does the pubofemoral ligament limit?

A

Extension, lateral rotation and adduction

24
Q

What ligament is less well defined?

A

Ischiofemoral ligament

25
Q

What ligament spirals around joint capsule posteriorly and laterally?

A

Ischiofemoral ligament

26
Q

Where does the ischiofemoral ligament attach?

A

From posterior aspect of acetabulum to superior neck and root of greater trochanter

27
Q

What does the ischiofemoral ligament limit?

A

Extension, medial rotation and adduction

28
Q

What are the intracapsular ligaments?

A

Transverse ligament of the acetabulum and ligamentum teres

29
Q

What fills inferior absence of acetabular rim?

A

Transverse Ligament of acetabulum

30
Q

What forms foramen with notch for passage of nerve and vessels?

A

Transverse Ligament of acetabulum

31
Q

Ligamentum teres is the ligament that attaches what?

A

Head of the femur

32
Q

What is the angle between the acetabulum and femoral neck?

A

30-40 degrees

33
Q

Muscles affecting flexion?

A

Iliopsoas, rectus femoris, sartorial and pectineus

34
Q

Muscles affecting extension?

A

Biceps femoris, semimembranosus, semitendinosus, gluteus maximus and adductor magnus

35
Q

Muscles affecting abduction?

A

Gluteus medius, gluteus minimus, piriformis and sartorius

36
Q

Muscles affecting adduction?

A

Adductor magnus, adductor longus, adductor brevis, gracili, pectineus and quadratura femoris

37
Q

Muscles affecting medial rotation?

A

Gluteus minimus and medius

38
Q

Muscles affecting lateral rotation?

A

Obturator externes, gluteus maximus, gemelli, quadrature femoris and piriformis

39
Q

What is the angle of ROM when hip is active in flexion?

A

120 degrees

40
Q

What is the angle of ROM when hip is passive in flexion?

A

145 degrees

41
Q

What is the angle of ROM when hip is active in extension?

A

20 degrees

42
Q

What is the angle of ROM when hip is passive in extension?

A

30 degrees

43
Q

How can rotation ROM increase?

A

When the hip flexion occurs simultaneously

Functional Anatomy (13 decks)

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