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Ortho > Hip & Thigh > Flashcards

Hip & Thigh Flashcards

1
Q

Iliopsoas

A

made up of the psoas major and the iliacus

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2
Q

Rectus femoris

A

O: ant inf iliac spine
I: tibial tuberosity via patellar ligament
A: extend knee, flex hip
Inn: femoral nerve

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3
Q

Sartorius

A

O: ant sup iliac spine
I: sup part of med surface of tibia
A: flex, abduct, lat rotate thigh, assist flex of knee
Inn: femoral nerve

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4
Q

Gluteus maximus

A

O: ilium, sacrum, sacrotuberous ligament
I: iliotibial tract, gluteal tuberosity of femur
A: extend thigh, lat rotation of thigh, antigravity
Inn: inferior gluteal

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5
Q

Gluteus medius

A

O: iliac wings superior to minimus
I: greater trochanter of femur
A: abduct and med rotate thigh
Inn: superior gluteal

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6
Q

Gluteus minimus

A

O: ilium-iliac wings
I: greater trochanter of femur
A: abduct and med rotate thigh
Inn: superior gluteal

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7
Q

Tensor fasciae latae

A

O: ant sup iliac spine and iliac crest
I: via iliotibial tract to lat condyle of tibia
A: abducts, med rotates, flexes hip, helps extends knee, steadies trunk on hip joint
Inn: superior gluteal

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8
Q

Adductor magnus

A

O: inf ramus of pubis, ramus and tuberosity of ischium
I: gluteal tuberosity, linea aspera, supracondylar line and adductor tubercle of femur
A: adductor part - adduct and flex thigh
A: hamstring part - adduct and extend thigh
Inn: adductor part - obturator
Inn: hamstring part - tibial division of sciatic

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9
Q

Adductor longus

A

O: body of pubis
I: middle 1/3 linea aspera of femur
A: adduct thigh
Inn: obturator

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10
Q

Adductor brevis

A

O: body and inferior ramus of pubis
I: pectineal line and linea aspera of femur
A: adduct thigh, slight flexor of thigh
Inn: obturator

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11
Q

Piriformis

A

O: ant surface sacrum, sacrotuberus ligament
I: through greater sciatic foramen to insert on greater trochanter
A: abduct and lat rotate femur
Inn: piriformis (from ventral rami S1 and S2)

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12
Q

Quadratus femoris

A

O: ischial tuberosity
I: intertrochanteric crest and inf to it
A: lat rotate thigh
Inn: quadratus femoris (from ventral rami of L5 and S1)

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13
Q

Superior gemellus

A

O: ischium, blend w/ obturator internus tendon
I: greater trochanter w/ obturator internus
A: lat rotate thigh
Inn: nerve to obturator internus

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14
Q

Inferior gemellus

A

O: ischium, blend w/ obturator internus tendon
I: greater trochanter w/ obturator internus
A: lat rotate thigh
Inn: nerve to quadratus femoris

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15
Q

Obturator internus

A

O: inner surface obturator membrane
I: greater trochanter
A: lat rotate thigh
Inn: obturator internus (from ventral rami L5 and S1)

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16
Q

Obturator externus

A

O: obturator membrane and margins of obturator foramen
I: trochanteric fossa of femur
A: lat rotate thigh, steady head of femur in acetabulum
Inn: obturator nerve

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17
Q

Psoas major

A

O: bodies and intervertebral discs T12-L5
I: via common tendon w/ iliacus on lesser trochanter of femur
A: flex hip, stabilize joint
Inn: ventral rami L1-L3

18
Q

Iliacus

A

O: iliac fossa and ala of sacrum
I: via common tendon w/ psoas major to lesser trochanter of femur
A: flex hip, stabilize joint
Inn: femoral

19
Q

Muscles that make up quadriceps femoris

A

rectus femoris
vastus lateralis
vastus medialis
vastus intermedius

20
Q

Vastus lateralis

A

O: greater trochanter and linea aspera of femur
I: tibial tuberosity via patellar ligament
A: extend knee
Inn: femoral nerve

21
Q

Vastus medialis

A

O: intertrochanteric line and linea aspera of femur
I: tibial tuberosity via patellar ligament
A: extend knee
Inn: femoral nerve

22
Q

Vastus intermedius

A

O: ant and lat surfaces of femur
I: tibial tuberosity via patellar ligament
A: extend knee
Inn: femoral nerve

23
Q

Pectineus

A

O: pectin of pubis
I: pectineal line of femur
A: adduct and flex thigh
Inn: femoral and obturator

24
Q

Gracilis

A

O: body and inf ramus of pubis
I: med sup surface of tibia
A: adduct thigh, flex and medially rotate leg
Inn: obturator

25
Q

Muscles that make up the hamstrings

A

biceps femoris
semimembranosus
semitendinosus

26
Q

Biceps femoris

A

O: long head - ischial tuberosity
O: short head - linea aspera and supracondylar line of femur
I: lat side of head of fibula
A: knee - flex leg and lat rotation
A: hip - extend thigh
Inn: long head - tibial division of sciatic nerve
Inn: short head - common peroneal division of sciatic

27
Q

Semimembranosus

A 
O: ischial tuberosity
I: med condyle of tibia
A: knee - flex leg and med rotation
A: hip - extend thigh
Inn: tibial division of sciatic
28
Q

Semitendinosus

A 
O: ischial tuberosity
I: med condyle of tibia and med surface inf to condyle
A: knee - flex leg and med rotation
A: hip - extend thigh
Inn: tibial division of sciatic
29
Q

Glutes insertions

A

All insert on greater trochanter

30
Q

Origins of hamstring muscles

A

All originate on ischial tuberosity

Insertions:
biceps femoris - head of fibula
semitendinosus - pes anserine
semimembranosus - medial tibia

All extend hip and flex knee
All tibial nerve (short head of b.f. is also common peroneal)

31
Q

Insertions of quad muscles

A

All insert on tibial tuberosity via patellar ligament and extend the knee.

Rectus femoris - only quad that cross the hip, flexes hip; originates on AIIS

32
Q

Deep 6 lateral rotators of hip

A 
piriformis
quadratus femoris
obturator internus
obturator externus
superior gemelli
inferior gemelli

all laterally rotate thigh
all insert on or near greater trochanter

33
Q

Muscles inserting on lesser trochanter

A

iliacus
psoas major

Both flex hip

34
Q

What originates on the ASIS

A

inguinal ligament
tensor fascia latae
sartorius

35
Q

What muscles are innervated by the superior gluteal nerve

A

tensor fasciae latae
gluteus medius
gluteus minimus

36
Q

What muscles are innervated by the inferior gluteal nerve

A

gluteus maximus

37
Q

What muscles are innervated by the femoral nerve

A

pectineus
sartorius

quadriceps (rectus femoris, vastus muscles)

38
Q

What muscles are innervated by the obturator nerve

A

gracilis
adductors longus, brevis, magnus
obturator externus

39
Q

What muscles are innervated by the sciatic nerve (tibial division)

A

popliteus
semitendinosus
semimembranosus
biceps femoris (long head)

tibialis posterior
gastrocnemius
plantaris
soleus
flexor digitorum longus
flexor hallicus longus

abductor hallicus
abductor digiti minimi
dorsal interossei

40
Q

What muscles are innervated by the sciatic nerve (fibular/peroneal division)

A

biceps femoris (short head)

Deep fibular:
tibialis anterior
extensor hallicus longus
extenosr digitorum longus
fibularis tertius

Superficial:
extensor digitorum brevis
fibularis longus
fibularis brevis

Ortho (13 decks)

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