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2 Structural Kinesiology > Pelvic Girdle and Hip Bones > Flashcards

Pelvic Girdle and Hip Bones Flashcards

1
Q

Name 3 joints of the Pelvis

A

Acetabularfemoral joint, Sacroiliac joint, Pubic symphyses

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2
Q

What does ASIS and AIIS stand for and which muscles attach?

A

Anterior Superior Iliac Spine and Anterior Inferior Iliac Spine.
Hip flexors-
Rectus Femoris (AIIS) , Sartorius (ASIS) , TFL (ASIS)

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3
Q

What type of joint is the SacroIliac Joint and what are the functions of it?

A

Sliding Joint.

Allows shock absorption, transmission of force up the spine, ant and post. pelvic rotation

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4
Q

What bones are involved in the lumbosacral joint?

A

L5 vertebra and sacrum.

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5
Q

What type of joint is the Pubic Symphyses and what are the functions of it?

A

Amphiarthrosis- slightly moveable.

Allows shock absorption and freedom of gliding as less torsion on pelvis halves so can move independently

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6
Q

Name the primary hip flexors

A

Rectus Femoris, Iliopsoas, Sartorius, Tensor Fascia Latae, Pectineus

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7
Q

Name the primary hip extensors

A

Gluteus Maximus, hamstrings

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8
Q

Where does the Iliacus originate?

A

Iliac fossa. off ilium, inner upper surface

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9
Q

Where does the psoas originate?

A

T12-L5 and sacrum. note- att T12 side of vertabral body to L5. Att on transverse process of Lumbar region.

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10
Q

Insertion of Iliopsoas muscle

A

Lesser Trochanter of femur

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11
Q

Origin of Rectus Femoris

A

AIIS anterior inferior iliac spine

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12
Q

Insertion of R Femoris

A

Tibial Tuberosity

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13
Q

Origin of Sartorius

A

ASIS upper iliac spine

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14
Q

Insertion of Sartorius

A

Anteromedial Tibia

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15
Q

Origin of TFL

A

ASIS and assoc with IT band

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16
Q

Insertion of TFL

A

IT band onto lateral tibial condyle

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17
Q

What is the function of the Iliotibial band?

A

Transmit force of TFL

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18
Q

Origin and insertion points of the Pectineus

A

O: Pubis
I: Medial Femur

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19
Q

Where does the Gluteus Maximus originate?

A

Posterior quarter of Iliac crest, posterior coccyx and sacrum near ilium, fascia of lumbar area

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20
Q

Insertion of G.Max

A

Oblique ridge lateral greater trochanter and IT band

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21
Q

What movement does the LoP of G.Max allow?

A

Hip extension- moves femur back and up

External rotation at hip.

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22
Q

Name the muscles that make up the hamstrings

A

Biceps Femoris
Semitendinosus
Smeimembranous

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23
Q

What is the origin of Biceps Femoris long head?

A

Ischial Tuberosity

24
Q

What is the origin of B Femoris Short head?

A

Linea Aspera

25
Q

Where does B Femoris insert?

A

Lateral aspect of head of fibula

26
Q

Why does the B Femoris short head not contribute to hip extension?

A

It is not biarticular

27
Q

Origin and Insertion of Semitendinosus

A

O: Ischial Tuberosity
I: Tibial Tuberosity

28
Q

Origin and Insertion of Semimembranosus

A

O: Ischial Tuberosity
I: Medial tibial condyle

29
Q

Where is the Semimembranosus positioned?

A

deep to semitendinosus

30
Q

What actions occur at the hip?

A

Abduction/ Adduction and Rotation

31
Q

In what plane and axis does ABD/ADD take place?

A

Frontal plane, sagittal axis

32
Q

In what plane and axis does rotation take place?

A

Transverse plane, longitudinal axis

33
Q

Name the muscles that contribute to hip adduction

A

Adductor Brevis, Adductor Longus, Adductor Magnus, Pectineus, Gracilis.

34
Q

Where do adductor muscles orginate?

A

Pubis

35
Q

Which adductors insert onto the Linea Aspera?

A

Add. Longus (proximal LA) , Magnus (distal LA) and Brevis (Med 1/3 LA)

36
Q

Attachment points of Add. Magnus

A

O: Ischial Tub and pubis
I: distal LA and medial condyle of femur

37
Q

What is the Linea Aspera?

A

Longitudinal ridge on posterior middle femur bone creating a medial and lateral lip for attachment.

38
Q

Origin and insertion of pectineus

A

O: anterior pubis
I: inferior to lesser trochanter

39
Q

What movements does the Pectineus allow due to the position of its attachment points?

A

Attachment points create a slight forward angle therefore allowing flexion and adduction

40
Q

Gracilis insertion

A

Anteromedial tibia

41
Q

Which muscles allow hip abduction?

A

G.Medius, G.Minimus

42
Q

Where do Gmin and Gmed insert?

A

Greater trochanter of femur

43
Q

Where does G.Med originate?

A

Lateral ilium below crest

44
Q

Where does G.Min originate?

A

Lateral ilium below G.Med

45
Q

How do these muscles allow hip abduction?

A

Positioned on lateral hip, LoP upwards.

46
Q

Which muscles allow external rotation of the hip?

A

6 deep external rotator muscles and G.Max

47
Q

Hip Internal rotators

A

no primary muscles, LoP of muscles all contribute

48
Q

What issue is presented in Lombard’s Paradox?

A

Sitting down involves hip and knee extension. R. Femoris is agonist for knee extension but antagonist for hip flexion.

49
Q

When lumbar flexion occurs, ____ also occurs

A

Anterior pelvic rotation

50
Q

When lumbar extension occurs, ___ also occurs

A

Posterior pelvic rotation

51
Q

When anterior pelvic rotation occurs, ____ also occurs

A

Lumbar extension

52
Q

When posterior pelvic rotation occurs, ____ also occurs

A

Lumbar flexion

53
Q

Characteristics of Femoroacetabular Impingement

A

abnormal growth/ deformation of acetabulum or femur.
Causes butting together of the bones at end range, damaging cartilage.
May lead to osteoarthiritus
Common in younge people and athletic groups

54
Q

Characteristics of IT band syndrome

A

Tightness caused by inflammation on lateral aspect of the knee or friction between IT band and lateral condyles of femur

55
Q

Possible causes of IT syndrome

A

Hill running, breaststroke swimming

56
Q

What muscle is commonly injured in hamstring strain

A

Biceps Femoris

57
Q

Causes of hamstring strain?

A

Fatigue, previous strains, strength imbalance, poor flexibility

2 Structural Kinesiology (3 decks)

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