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ANAT 315 > Lower Limb O/I/A > Flashcards

Lower Limb O/I/A Flashcards

1
Q

Ischiococcygeus

A

O: sacrum
I: ischial spine
A: support pelvic viscera

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2
Q

Levator ani

A

O: pubis, superior pubic ramus
I: anococcygeal ligament, coccyx
A: support pelvic viscera

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3
Q

Gluteus maximus

A

O: sacrum, ilium, thoracolumbar fascia, sacrotuberous ligament
I: iliotibial tract, gluteal tuberosity
A: extension, adduction and lateral rotation of the hip

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4
Q

Gluteus medius

A

O: ilium
I: greater trochanter (femur)
A: abduct hip

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5
Q

Gluteus minimis

A

O: ilium
I: greater trochanter (femur)
A: abduct hip

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6
Q

Tensor fasciae latae

A

O: ASIS
I: iliotibial tract
A: tenses fascia lata, abduct, flex and medially rotate hip

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7
Q

Piriformis

A

O: sacrum (pelvic surface)
I: greater trochanter (femur)
A: laterally rotate, abduct and extend hip

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8
Q

Obturator internus

A

O: obturator inner membrane
I: greater trochanter (femur)
A: laterally rotate, adduct and extend hip

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9
Q

Obturator externus

A

O: obturator outer membrane
I: trochanteric fossa (femur)
A: laterally rotate and adduct hip

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10
Q

Gemellus superior

A

O: ischial spine
I: greater trochanter (femur)
A: laterally rotate, adduct and extend hip

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11
Q

Gemellus inferior

A

O: ischial tuberosity
I: greater trochanter (femur)
A: laterally rotate, adduct and extend hip

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12
Q

Quadratus femoris

A

O: ischial tuberostiy
I: intertrochanteric crest (femur)
A: laterally rotate and adduct hip

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13
Q

Psoas major

A

O: T12-L5
I: lesser trochanter (femur)
A: flexes thigh at hip joint

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14
Q

Iliacus

A

O: iliac fossa
I: lesser trochanter (femur)
A: flexes thigh at hip joint

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15
Q

Sartorius

A

O: ASIS
I: medial surface of tibia
A: flex thigh at hip joint, flex leg at knee joint

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16
Q

Rectus femoris

A

O: anterior iliac spine
I: quadriceps femoris tendon
A: flex thigh at hip joint, extend leg at knee joint

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17
Q

Vastus lateralis

A

O: lateral intertrochanteric line of femur
I: lateral patella via quadriceps femoris tendon
A: extend leg at knee joint

18
Q

Vastus medialis

A

O: medial intertrochanteric line of femur
I: medial patella via quadriceps femoris tendon
A: extend leg at knee joint

19
Q

Vastus intermedius

A

O: upper 2/3 of anterior and lateral femur
I: lateral patella via quadriceps femoris tendon
A: extend leg at knee joint

20
Q

Gracilis

A

O: inferior pubic ramus, ischial ramus
I: medial surface of tibia
A: adduct thigh at hip joint, flex leg at knee joint

21
Q

Pectineus

A

O: pectineal line
I: pectineal line of femur
A: adduct and flex thigh at hip joint

22
Q

Adductor longus

A

O: pubis (external surface)
I: linea aspera (femur)
A: adduct and medially rotate thigh at hip joint

23
Q

Adductor brevis

A

O: pubis (external surface), inferior pubic ramus
I: posterior femur, upper 1/3 linea aspera
A: adduct and medially rotate thigh at hip joint

24
Q

Adductor magnus: adductor part

A

O: ischiopubic ramus
I: posterior proximal femur, linea aspera, medial supracondylar line
A: adduct and medially rotate thigh at hip joint

25
Q

Adductor magnus: hamstring part

A

O: ischial tuberosity
I: supracondylar line
A: adduct and medially rotate thigh at hip joint

26
Q

Biceps femoris: long head

A

O: ischial tuberosity
I: lateral condyle of tibia, head of fibula
A: flex knee, laterally rotate tibia, extend hip
IN: sciatic nerve- tibial nerve

27
Q

Biceps femoris: short head

A

O: linea aspera
I: lateral condyle of tibia, head of fibula
A: flex knee, medially rotate tibia
IN: sciatic nerve- common fibular nerve

28
Q

Semitendinosous

A

O: ischial tuberosity
I: medial proximal tibia
A: flex knee, medially rotate tibia, extend hip
IN: sciatic nerve- tibial nerve

29
Q

Semimembranosus

A

O: ischial tuberosity
I: medial condyle of tibia
A: flex knee, medially rotate tibia, extend hip
IN: sciatic nerve- tibial nerve

30
Q

Tibialis anterior

A

O: upper 2/3 of lateral tibia and interosseous membrane
I: medial cuneiform and base of 1st metatarsal
A: dorsiflexion and inversion

31
Q

Extensor digitorum longus

A

O: lateral tibial condyle, head and medial surface of fibula, interosseous membrane
I: base of distal phalanx digits 2-5
A: dorsiflexion and extension of digits 2-5

32
Q

Extensor hallicus longus

A

O: middle 1/3 of medial fibula, interosseous membrane
I: base of distal phalanx of hallux
A: dorsiflexion and extension of hallux

33
Q

Peroneus tertius

A

O: anterior border of distal fibula
I: base of 5th metatarsal
A: dorsiflexion and eversion

34
Q

Peroneus longus

A

O: head and proximal 2/3 lateral fibula
I: medial cuneiform and base of 1st metatarsal
A: plantar flexion and eversion

35
Q

Peroneus brevis

A

O: distal 1/2 of lateral fibula
I: base of 5th metatarsal
A: plantar flexion and eversion

36
Q

Gastrocnemius (medial and lateral head)

A

O: medial and lateral epicondyle of femur
I: calcaneal tuberosity via calcaneal tendon
A: knee flexion and plantar flexion

37
Q

Soleus

A

O: posterior fibular head and neck, soleal line of tibia
I: calcaneal tuberosity via calcaneal tendon
A: plantar flexion

38
Q

Plantaris

A

O: lateral epicondyle of femur
I: calcaneal tuberosity via calcaneal tendon
A: knee flexion and plantar flexion

39
Q

Popliteus

A

O: lateral femoral condyle and lateral meniscus
I: posterior tibial surface
A: “unlocks” and stabilizes knee joint

40
Q

Tibialis posterior

A

O: interosseus membrane and borders of tibia and fibula
I: navicular, cuneiforms, base of 2-4th metatarsals
A: plantar flexion and inversion

41
Q

Flexor digitorum longus

A

O: middle 1/3 posterior tibia
I: base of 2-5th distal phalanges
A: plantar flexion, inversion and flexion of digits 2-5

42
Q

Flexor hallicus longus

A

O: distal 2/3 of posterior fibula, interosseus membrane
I: base of distal phalanx of hallux
A: plantar flexion, inversion and flexion of hallux

ANAT 315 (3 decks)

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