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Human Anatomy & Kinanthropometry > Week 2 - Hip Joint > Flashcards

Week 2 - Hip Joint Flashcards

1
Q

Define the hip joint

A

Joint between the acetabulum of the hip bone + proximal end of femur.

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2
Q

Define the articular capsule of the hip joint

A

Very dense + strong

Extends from acetabulum to neck of femur

Consists of circular + longitudinal fibres

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3
Q

Circular fibres of the articular capsule

A

Zona orbicularis

Forms a collar around neck of femur

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4
Q

Longitudinal fibres of the articular capsule

A

Reinforces by the accessory ligaments:

  • Iliofemoral
  • Pubofemoral
  • Ischiofemoral
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5
Q

ACCESSORY LIGAMENTS

Define the iliofemoral ligament

A

Thickened portion

Strongest ligament

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6
Q

ACCESSORY LIGAMENTS

Define the pubofemoral + ischiofemoral ligaments

A

Thickened portion

Strengthens articular capsule.

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7
Q

Describe the ligament of the femoral head

A

Flat + triangular band

Usually contains small artery supplying femoral head.

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8
Q

Define the acetabular labrum

A

Fibrocartilage rim attached to acetabulum.

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9
Q

What does the acetabular labrum do

A

Enhances depth of the acetabulum making dislocation of the femur rare.

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10
Q

Define the transverse ligament of the acetabulum

A

Strong ligament crossing over the acetabular notch.

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11
Q

Whats the function of the transverse ligament of the acetabulum

A

To support acetabular labrum

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12
Q

What are the movements the hip joint allow?

A

Flexion + Extension

Abduction + Adduction

Lateral + medial rotation

Circumduction of the thigh.

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13
Q

What is the reason for the stability of the hip joint?

A

Very strong articular capsule + its accessory ligaments

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14
Q

MOVEMENT OF THE HIP JOINT

What is flexion limited by

A

Anterior surface of thigh when coming into contact w. anterior abdominal wall when knee is flexed.

+

Tension of hamstring muscles when knee is extended.

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15
Q

MOVEMENT OF THE HIP JOINT

What is extension limited by

A

Tension of iliofemoral, pubofemoral + ischiofemoral ligaments

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16
Q

MOVEMENT OF THE HIP JOINT

What is abduction limited by

A

Tension of pubofemoral ligament

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17
Q

MOVEMENT OF THE HIP JOINT

What is adduction limited by

A

Contact w. opp. limb

+

tension in ligament of femoral head

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18
Q

MOVEMENT OF THE HIP JOINT

What is lateral rotation limited by

A

Tension in iliofemoral + pubofemoral ligaments

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19
Q

MOVEMENT OF THE HIP JOINT

What is medial rotation limited by

A

Tension in ischiofemoral ligament

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20
Q

What are the sagittal plane motions of the hip joint

A

Hyperextension

Flexion

Extension

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21
Q

What are the frontal plane motions of the hip joint

A

Abduction

Adduction

22
Q

What are the transverse plane motions of the hip joint

A

Lateral + medial rotation

23
Q

Define gliding

A

Simple movement

Nearly flat bone surfaces move back + forth + side to side.

24
Q

Give examples of gliding joints

A

Intercarpal

Intertarsal

25
Q

How is the gliding joint limited in range of movement

A

Due to structure of articular capsule + associated ligaments + bones.

26
Q

Define rotation

A

When bone revolves around its own longitudinal axis

27
Q

Define medial (internal) rotation

A

Anterior surface of bone of a limb is turned TOWARDS the midline.

28
Q

Give an example of medial (internal) rotation

A

Medially rotate femur at hip by lying on back, bending knee, moving leg + foot laterally.

29
Q

Define lateral (external) rotation

A

When anterior surface of bone of a limb is turned away from the midline.

30
Q

SPECIAL MOVEMENTS

Define elevation

A

Superior movement of a body part.

i.e closing the mouth at a temporomandibular joint to elevate scapula + clavicle.

31
Q

SPECIAL MOVEMENTS

Define depression

A

Inferior movement of a body part.

i.e opening mouth to depress the mandible

32
Q

SPECIAL MOVEMENTS

Define protraction

A

Movement of body part anteriorly in the transverse plane

33
Q

SPECIAL MOVEMENTS

Define retraction

A

Movement of a protracted part of the body back to anatomical position.

34
Q

SPECIAL MOVEMENTS

Define inversion

A

Movement of sole medially at inter tarsal joints

35
Q

SPECIAL MOVEMENTS

Define eversion

A

Movement of sole laterally at inter tarsal joints

36
Q

SPECIAL MOVEMENTS

Define supination

A

Movement of forearm at proximal + distal radioulnar joints

Palm turned ANTERIORLY.

37
Q

SPECIAL MOVEMENTS

Define opposition

A

Movement of thumb at carpometacarpal joint in which thumb moves across palm to touch tips of fingers on same hand.

38
Q

What muscles flex the hip joint

A

Iliac

Psoas Major

Rectus Femoris

Sartorius

39
Q

What muscles extend the hip joint

A

Gluteus maximus, minimus + medius

Biceps femoris

Semitendinosus

Semimembranosus

40
Q

What muscles primarily adduct the hip joint

A

Adductor Magnus

Adductor Longus

Adductor brevis

Pectineus

41
Q

Origin + insertion points of the Adductor Magnus, longus + brevis

A

Origin = Pubis

Insertion = Medial Femur

42
Q

Origin + insertion point of the Pectineus

A

Origin = Pubis (Pectineal line)

Insertion = Medial Femur

43
Q

Origin, insertion + primary action of the gracilis muscle

A

Origin = Pubis (inferior ramus)

Insertion = Medial Tibia

Primary action = Medial rotation of hip.

44
Q

ACCESSORY LIGAMENTS

Where does the iliofemoral ligament extend FROM and TO?

A

From anterior inferior iliac spine

To intertrochanteric line of femur.

45
Q

ACCESSORY LIGAMENTS

Where do the pubofemoral and ischiofemoral ligament extend FROM and TO?

A

Ischial wall bordering acetabulum

To neck of femur.

46
Q

What motion of the pelvis occurs in the sagittal plane?

A

Pelvis tilt

47
Q

What does the iliofemoral ligament prevent?

A

Hyperextension of femur at hip joint when standing

48
Q

What does the pubofemoral ligament prevent?

A

Overabduction of femur at hip joint.

49
Q

What happens to the ischiofemoral ligament when adducting and abducting?

A

Slackens during adduction

Tenses during abduction

50
Q

Where does the ligament of the femoral head extend from and to?

A

From fossa of acetabulum

To fovea capitis of femoral head.

51
Q

Transverse ligament of the acetabulum

What is it connected with?

A

Ligament of femoral head

+

articular capsule.

Human Anatomy & Kinanthropometry (27 decks)

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