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Pelvis Flashcards

1
Q

What joins the pelvic girdle anteriorly?

A

Pubic symphysis

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2
Q

What three bones comprise the hip (all are fused together)?

A

Ilium
Ishium
Pubis

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3
Q

What is the acetabulum?

A

Composition of the three bones of the hip

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4
Q

How many bones do newborns have? Adults?

A

270 for infants,

206 for adults

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5
Q

True or false: newborn bones are soft and pliable

A

True

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6
Q

True or false: chidlhood is when ossification takes place in the remaining portions of the pelvis

A

False-puberty

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7
Q

When does the ossification of the pelvic bones complete?

A

Between 20-25 y.o.

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8
Q

What are the three joints of the pelvis?

A

Sacroiliac
Hip joint
Pubic symphysis

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9
Q

The hip joint joins what two bones?

A

Femur and ilium

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10
Q

What is the hip socket called?

A

Acetabulum

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11
Q

What insert into the acetabulum?

A

Head of the femur

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12
Q

What are the ligaments that stabilize the hip joint?

A

iliofemoral
Pubofemoral
Ischiofemoral

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13
Q

What sits around the head of the femur?

A

Capsule

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14
Q

Which ligaments covers the hip joint anteriorly?

A

iliofemoral ligament

Pubofemoral ligament

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15
Q

What are the attachements for the iliofemoral ligament?

A

Arises from AIIS

Inserts in intertrochanteric line

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16
Q

What are the attachments for the pubofemoral ligament?

A

Arises from the pubic bone and margin of obturator foramen

Inserts into femoral neck

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17
Q

The pubofemoral ligament is superficial or deep to the iliofemoral ligament?

A

Deep

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18
Q

What is the ligament that covers the hip joint posteriorly?

A

ishiofemoral ligament

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19
Q

What are the attachments of the ishiofemoral ligament?

A

Arises from the ischium

Inserts into the greater trochaneter of the femur

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20
Q

What is the fibrocartilagenous labrum?

A

The space between the head of the femur, and the acetabulum

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21
Q

Which socket is deeper: the hip socket, or the shoulder socket?

A

Hip

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22
Q

True or false: you should treat hip dislocations with OMM

A

False–this is an orthopedic emergency

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23
Q

What are the 7 motions of the hip joint (hint” 3 paired movements)?

A 
Flexion
Extension
Abduction
Adduction
External rotation
Internal rotation
circumduction
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24
Q

What muscles comprise the hip flexors?

A

Rectus femoris
Iliacus
Psoas major

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25
What is the rectus femoris also known as?
Rectus femoris
26
Where is the origin and insertion of the Iliacus?
Origin: iliac fossa Insertion: lesser trochanter of the femur
27
What is the origin and insertion of the rectus femoris?
origin: AIIS and acetabulum Insertion: patella and tibial tuberosity
28
What is the origin and insertion of the psoas major?
O: vertebral bodies, transverse process and discs of L1-L5 I: Lesser trochanter of femur
29
What is the RIP mnemonic?
Rectus femoris iliacus Psoas major
30
Which muscles comprise the hip extensors?
Gluteus maxiumus | Hamstrings (biceps femoris, semitendinosus, and semimembranosus(
31
What is the origin and insertion of the gluteus maximumus?
O: lateral ilium, dorsal sacrum I:iliotibial tract, gluteal tuberosity of femur
32
What are the three muscles that comprise the hamstrings?
Biceps femoris Semitendinosus Semimembranosus
33
What is the origin and insertion of the biceps femoris?
O: ischial tuberosity I: fibular head
34
What is the origin and insertion of the semitendinosus
I: proximal medial tibia
35
What is the BITE ME mnemonic used for?
Hamstrings BIceps femoris semiTEndinosus semiMEmbranosus
36
What are the muscles involved in hip adduction?
``` Gracilis longus magnus brevis pectineus ```
37
What is the origin and insertion of the pectineus?
O: superior ramus of pubis I: Just distal to the lesser trochanter of the femur
38
What is the origin and insertion of the Gracilis?
O: Inferior ramus of pubis I: Proximal and medial surface of tibia
39
What is the common origin and insertion of the adductors (longus, magnus, and brevis)?
Body and inferior ramus of pubis
40
What is the insertion of the adductor longus?
Middle 1/3 of femoral linea aspera
41
What is the insertion of the adductor magnus?
Linea aspera and adductor tubercle of the femur
42
What is the insertion of the adductor brevis?
Proximal part of femoral linea aspera
43
What are the muscles that are involved in abduction and in internal rotation?
Gluteus medius Gluteus minimum Tensor fascia lata (TFL)
44
What is the origin and insertion of the gluteus medius and minimus?
O: lateral surface of ilium I: greater trochanter of the femur
45
What is the origin and insertion of the tensor fascia lata?
O: iliac crest just posterior to the ASIS I: iliotibial tract and proximal, lateral tibia
46
What are the external rotators of the hip?
``` Piriformis Gluteus maximus Obturator internus Obturator externus Gemellus superior Gemellus inferior Quadratus ```
47
What is the chief external rotator?
Piriformis
48
What is the origin and insertion of the piriformis?
O: anterior portion of the sacrum I: greater trochanter of the femur
49
What is the origin and insertion of the obturator internus?
O: ischial tuberosity I: greater trochanter
50
What is the origin and insertion of the gemellus superior/inferior
O: upper aspect of IT I: medial side of greater trochanter
51
What is the origin and insertion of the quadratus femoris?
O: lateral ischium I: intertrochanteric crest
52
What is the origin and insertion of the obturator externus?
O: obturator foramen I: Greater trochanter
53
What is circumduction?
The combination of all elementary movement simultaneously, moveing the hip through all three axes
54
What are the two motions of the knee?
flexion and extension
55
What are the knee flexors?
Hamstrings: Biceps femoris Semitendinosus Semimembranosus
56
What are the knee extensor muslces?
Vastus lateralus Vastus medialis Vastus intermedius retus femoris
57
What is the origin and insertion of the vastus lateralis?
O: greater trochanter I: patella and tibial tub
58
What is the origin and insertion of the vastus medialis?
O: intertrochanteric line I: patella and tibial tuberosity
59
What is the origin and insertion of the vastus inermedius?
O: anterior/lateral surface of femoral shaft I: patella and tibial tuberosity
60
What is the origin and insertion of the rectus femoris?
O: AIIS acetabulum I: patella and tibial tuberosity
61
Is muscle energy moving toward or against a barrier?
Toward
62
Is S/CS moving toward or against a barrier?
Against

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