Origins and Insertions Flashcards

1
Q

Gluteus Maximus

A

Origin: ilium (posterior gluteal line and crest), sacrum, and coccyx, aponeurosis of erector spinae
Insertion: Iliotibial tract and gluteal tuberosity

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2
Q

Gluteus medius

A

O: Ilium between posterior and inferior anterior gluteal lines
I: Oblique ridge on lateral surface of greater trochanter

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3
Q

Gluteus minimus

A

O: Ilium between anterior and inferior gluteal lines and margin of greater sciatic notch
I: Anterior border of grater trochanter

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4
Q

Piriformis

A

O: pelvic surface of sacrum, capsule of SI joint
I: Superior border of greater trochanter

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5
Q

Obturator internus

A

O: pelvic surface of obturator membrane and margin of obturator foramen, pelvic surface of ischial ramus, inferior pubic ramus
I: Medial surface of greater trochanter

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6
Q

Superior gemellus

A

O: ischial spine
I: Medial surface of greater trochanter

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7
Q

Inferior gemellus

A

O: proximal part of ischial tuberosity
I: Medial surface of greater trochanter

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8
Q

Quadratus Femoris

A

O: proximal part of lateral border of ischial tuberosity
I: Quadrate tubercle

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9
Q

Pectineus

A

O: pectin pubis

I; Shaft of femur on line from lesser trochanter to linea aspera

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10
Q

TFL

A

O: outer lip of iliac crest, ASIS
I: Proximal medial surface of tibial shaft distal to tibial condyle

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11
Q

Rectus femoris

A

O: AIIS, acetabulum, and capsule of hip joint
I: base of patella

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12
Q

Adductor longus

A

O: pubis
I: middle 1/3 of medial lip of linea aspera

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13
Q

Adductor brevis

A

O: inferior ramus and body of pubis
I: along line from lesser trochanter to proximal 1/3 of medial lip of linea aspera

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14
Q

Adductor magnus

A

O: inferior pubic ramus, inferior ramus of ischium, ischial tuberosity
I: linea aspera, medial supracondylar line

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15
Q

Gracillis

A

O: Inferior pubic ramus
I: Medial surface of tibial shaft below tibial condyle

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16
Q

Obturator externus

A

O: pubic ramus, ischial ramus, margins of obturator foramen
I: Trochanteric fossa

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17
Q

Semitendinosus

A

O: ischial tuberosity
I: medial side of proximal tibial shaft

18
Q

Semimembranosus

A

O: Ischial tuberosity
I: medial condyle of tibia

19
Q

Biceps femoris

A

O: Ischial tuberosity, sacrotuberous ligament
I: fibular head, lateral tibial condyle

20
Q

Tibialis anterior

A

O: lateral tibial condyle, proximal 2/3 of lateral shaft of tibia
I: Medial cuneiform and base of 1st metatarsal

21
Q

Extensor hallucis longus

A

O: medial aspect of middle shaft of fibula
I: base of dorsal surface of distal phalanx of great toe, expansion to base of proximal phalanx of great toe

22
Q

Extensor digitorum longus

A

O: lateral condyle of tibia, upper 3/4 of medial shaft of fibula
I: four tendinous slips tot he dorsum of toes 2-5

23
Q

Fibularis tertius

A

O: distal 1/3 of medial fibula
I: dorsum of base of 5th metatarsal

24
Q

Fibularis longus

A

O: head and upper 2/3 of fibula
I: plantar aspect of base of 1st metatarsal, plantar aspect of medial cuneiform

25
Q

Fibularis brevis

A

O: distal 2/3 of fibula
I: tuberosity of 5th metatarsal

26
Q

Gastrocnemius

A

O: medial and lateral femoral condyle
I: calcaneus

27
Q

Soleus

A

O: fibular head and proximal 1/3 of posterior fibula, soleal line and middle 1/3 of medial tibial shaft
I: calcaneus

28
Q

Plantaris

A

O: lateral aspect of subrandcondylar line of femur
I: calcaneus

29
Q

Popliteus

A

O: lateral condyle of femur, capsule of knee joint, lateral meniscus
I: posterior surface of tibia above soleal line

30
Q

Flexor hallucis longus

A

O: Inferior 2/3 of posterior shaft of fibula
I: Plantar surface of base of the distal phalanx of great toe

31
Q

Flexor digitorum longus

A

O: Posterior surface of middle 2/3 of tibia
I: plantar surface of the base of the distal phalanx of toes 2/5

32
Q

Tibialis posterior

A

O: posterior tibia inferior to soleal line, proximal 2/3 of posterior fibula and fibular head
I: tuberosity of navicular bone, 3 cuneiform bones, cuboid, bases of metatarsals 2-4

33
Q

Abductor hallucis

A

O: medial process of tuberosity of calcaneus
I: medial side of base of proximal phalanx of great toe

34
Q

Flexor digitorum brevis

A

O: medial process of tuberosity of calcaneus
I: 4 digits- both sides of middle phalanges of toes 2-5

35
Q

Abductor digiti minimi

A

O: medial and lateral processes of tuberosity of calcaneus
I: lateral side of base of proximal phalanx of 5th toe

36
Q

Quadratus plantae

A

O: lateral border of plantar surface of calcaneus and lateral border of long plantar ligament (lateral) and medial border of calcaneus (medial)
I: lateral margin of tendon of flexor digitorum longus

37
Q

Lumbricals

A

O: first originates by a single head from the medial side of the tendon of the flex dig long bound for the 2nd toe. The 2-4 originate by double heads from the adjacent sides of flex dig long tendons bound for toes 3,4,5
I: proximal phalanges and dorsal expansions of the tendons of the ext dig longus for toes 2-5

38
Q

Flexor hallucis brevis

A

O: medial part of plantar surface of cuboid and cuneiform and tendon of tibialis posterior
I: both sides of base of proximal phalanx of great toe

39
Q

Adductor hallucis

A

O: bases of metatarsals 2-4 (oblique) and plantar metatarsophalangeal ligaments of toes 3-5 (transverse)
I:lateral side of base of proximal phalanx of 1st digit (oblique) and lateral sesamoid of hallus (transverse)

40
Q

Flexor digit minimi brevis

A

O: base of plantar surface of 5th metatarsal
I: Base of proximal phalanx of toe 5

41
Q

Plantar interossei (3)

A

O: bases and medial sides of metatarsal 3-5
I: medial sides of bases of proximal phalanges of same toes

42
Q

Dorsal interossei (4)

A

O: metatarsal bones
I: first into the medial side of proximal phalanx of 2nd digit, 2-4 into lateral side of proximal phalanges of toes 2-4. All insert into the tendons of the extensor digitorum longus