DSA 3: Innominate SD Flashcards

1
Q

What are 2 significant structures influencing LE circulation?

A

Pelvic diaphragm

Inguinal area

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2
Q

What do “true” ligaments attach?

A

Bone to bone

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3
Q

What do “accessory” ligaments attach?

A

Attachment at another ligament, tendon, or fascia

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4
Q

During R heel strike, what innominate is rotating posteriorly? What hip muscles are being contracted?

A

R innominate

Iliopsoas and quadriceps femoris

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5
Q

During R toe off, which innominate is being rotated anteriorly? Which muscles are being contracted?

A

L innominate rotating forward

Contraction of gluteus maximus M. and Hamstrings

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6
Q

What is the attachment of the sacrospinous L.?

A

Sacrum to spine of the ischium

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7
Q

What is the attachment of the Iliolumbar L?

A

Ilium to the 5th Lumbar vertebrae?

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8
Q

What are the anterior pelvic ligaments?

A

Sacrospinous L.

Iliolumbar L.

Anterior Sacroiliac L.

Inguinal L.

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9
Q

What is the attachment of the anterior sacroiliac L.?

A

Most of the sacroiliac joint

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10
Q

What is the attachment of the Inguinal L.?

A

ASIS to the superior pubic rami/pubic tubercle

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11
Q

What are the major posterior pelvic ligaments?

A

Sacrotuberous L.

Posterior Sacroiliac L.

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12
Q

What is the attachment of the sacrotuberous L.?

A

Sacrum to ischial tuberosity

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13
Q

What is the attachment of the posterior sacroiliac L.?

A

Most of the sacroiliac joint

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14
Q

What is the action of the iliolumbar L.?

A

Stabilize the L5

Restrict anterior and rotation of L5

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15
Q

What are the major hip flexor muscles?

A

Iliacus + Psoas = Iliopsoas M.

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16
Q

What are the minor hip flexor muscles?

A

Rectus Femoris M.

Sartorius M.

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17
Q

What is the origin and insertion of the Iliacus M.?

A

Iliac fossa to the lesser trochanter of the femur

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18
Q

What is the origin and insertion of the Psoas Major and Psoas Minor Ms.?

A

L5 to lesser trochanter of the femur

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19
Q

What is the origin and insertion of the Rectus Femoris M.?

A

AIIS to patella

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20
Q

What is the origin and insertion of the Rectus Femoris M.?

A

ASIS to medial tibia

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21
Q

What muscles comprise the hip extensors?

A

Gluteus maximus m.

Hamstrings - biceps femoris, semitendonosis

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22
Q

What is the origin and insertion of the gluteus maximus m.?

A

Posterior iliac fossa to posterosuperior aspect of greater trochanter of femur

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23
Q

What is the origin and insertion of the semimembranosus m.?

A

Ischial tuberosity to medial tibia

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24
Q

What is the origin and insertion of the semitendonosus m.?

A

Ischial tuberosity to medial tibia

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25
Q

What is the origin and insertion of the biceps femoris m.?

A

Ischial tuberosity and sacrotuberous L. to lateral fibula and tibial plateau

26
Q

Hamstring tension may cause what to happen to the innominate?

A

Posterior rotation

27
Q

Tension of the hip flexors may cause what to happen to the innominate?

A

Anterior rotation

28
Q

Tension of the hip flexors may cause what to happen to the pubic bones?

A

Inferior shear

29
Q

What are the major hip adductor muscles?

A

Adductor Magnus M.

Adductor Brevis M.

Adductor Longus M.

30
Q

What are the minor hip adductor ms.?

A

Gracilis M.

Pectineus M.

31
Q

What is the origin and insertion of the pectineus M.?

A

Pectineal Line on pubic bone to the pectineal line of the femur

32
Q

What is the origin and insertion of the gracilis M.?

A

The inferior ramus of the pubis to the medial aspect of the proximal femur and tibial plateau

33
Q

What is the origin and insertion of the adductor brevis?

A

Body and inferior ramus of the pubis to the pectineal line and proximal linea aspera of the femur

34
Q

What is the origin and insertion of the adductor magnus m.?

A

Body and inferior ramus of the pubis to the pectineal line and proximal linea aspera of the femur

35
Q

What is the origin and insertion of the adductor longus m.?

A

Body and inferior ramus of the pubis to the superomedial surface of the distal femur

36
Q

What muscles comprise the hip abductors?

A

Gluteus medius m.

Gluteus minimus m.

Tensor Fascia Lata

37
Q

What is the origin and insertion of the Gluteus Medius M.?

A

Posterior ischial fossa to superior greater trochanter

38
Q

What is the origin and insertion of the Gluteus minimus M.?

A

Posterior ischial fossa to superior greater trochanter

39
Q

What is the origin and insertion of the tensor fascia lata?

A

Anterior part of the external lip of iliac crest/lateral surface of ASIS to the iliotibial band which eventually inserts onto lateral condyle of the tibia

40
Q

If a patient has positive Trendelenburg sign, what muscle group has failed to contract?

A

Hip Abductors of the side opposite to the hip drop

41
Q

What muscles comprise the hip external rotators?

A

Piriformis M.

Obturator (internus/externus)

Gemelli (Superior/inferior)

Quadratus femoris

42
Q

What is the origin and insertion of the piriformis m.?

A

Anterior sacrum to superior greater trochanter

43
Q

What is the origin and insertion of the superior and inferior gemelli ms.?

A

Ischial spine to greater trochanter

44
Q

What is the origin and insertion of the obturator internus and externus ms.?

A

Obturator membrane to the greater trochanter

45
Q

What is the origin and insertion of the quadratus femoris m.?

A

Ischial tuberosity to greater trochanter

46
Q

What muscle is the only hip rotator that connects directly to the sacrum?

A

Piriformis M.

47
Q

What muscle is responsible for sciatic pain?

A

Piriformis M.

48
Q

In what hip position will the piriformis m. act as an abductor?

A

Hip flexed

49
Q

In what hip position will the piriformis m. act as an external rotator?

A

Hip extended

50
Q

What are the levels of the lumbar plexus?

A

L1-L4

51
Q

What are the levels of the sacral plexus?

A

L5-S4 (This is different from the levels in Dr. Olinger’s lecture which say L4-S4)

52
Q

What nerves is the coccygeal plexus comprised of?

A

Anterior rami of S5 and coccygeal N.

53
Q

What nerves will be irritated by dysfunction of the Quadratus Lumborum M.? What sx will arise as a result?

A

Ilioinguinal and iliohypogastric Ns. (L1)

Sx similar to groin pull or hernia

54
Q

What vessels travel through the greater sciatic foramen?

A

Superior gluteal N. and A.

Inferior Gluteal N. and A.

55
Q

What vessels travel through the lesser sciatic foramen?

A

Pudendal N.

Internal pudendal A.

N. to obturator internus m.

56
Q

What are the landmarks of the gravitational line?

A

Auditory meatus

Acromion process

Greater trochanter of the femur

Body of L3

Anterior 1/3 of sacrum

Lateral condyle of the knee

Lateral malleolus

57
Q

What structures of the pelvis are used to diagnose the innominate?

A
Iliac Crests
SIS
Pubic tubercles
Medial malleoli heights
PSIS
58
Q

When would ischial tuberosities be used to diagnose the pelvis?

A

For small hemipelvis - when one side of the pelvis is congenitally smaller than the other

59
Q

What are the three steps to pelvic SD diagnosis?

A

Lateralization test

Palpation of landmarks

Diagnosis

60
Q

What ligament inserts onto the iliac crest with the posterior sacroiliac ligament?

A

Sacrotuberous Ligament