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Anatomy > Lab Final Muscles > Flashcards

Lab Final Muscles Flashcards

1
Q

Gluteus maximus

A

ori: iliac crest, posterior gluteal line, and lateral surface of ilium; sacrum, coccyx and thoracolumbar fascia
ins: iliotibial tract and gluteal tuberosity of femur
act: extension and lateral rotation at hip (helps stabilize extended knee) abduction at the hip-superior fibres only

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2
Q

Gluteus medius

A

ori: anterior iliac crest lateral surface of ilium between posterior and anterior gluteal lines
ins: greater trochanter of femur
act: abduction and medial rotation at hip

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3
Q

Gluteus minimus

A

ori: lateral surface of ilium between inferior and anterior gluteal lines
ins: greater trochanter of femur
act: abduction and medial rotation at hip

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4
Q

Tensor fasciae latae

A

ori: iliac crest and lateral surface of anterior superior iliac spine
ins: iliotibial tract
act: abduction and medial rotation at hip; extension and lateral rotation at knee; tenses fasciae late, which laterally supports the knee

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5
Q

Obturator externus

A

ori: lateral and medial margins of obturator foramen
ins: trochanteric fossa of femur
act: lateral rotation and abduction of hip; help maintain stability and integrity of the hip

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6
Q

Obturator internus

A

ori: lateral and medial margins of obturator foramen
ins: medial surface of greater trochanter
act: lateral rotation and abduction of hip; help maintain stability and integrity of the hip

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7
Q

Piriformis

A

ori: anterolateral surface of sacrum
ins: greater trochanter of femur
act: lateral rotation and abduction of hip; help maintain stability and integrity of the hip

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8
Q

Superior gemellus

A

ori: ischial spine
ins: medial surface of greater trochanter vie tendon of obturator internus
act: lateral rotation and abduction of hip; help maintain stability and integrity of the hip

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9
Q

Inferior gemellus

A

ori: ischial tuberosity
ins: medial surface of greater trochanter vie tendon of obturator internus
act: lateral rotation and abduction of hip; help maintain stability and integrity of the hip

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10
Q

Quadratus femoris

A

ori: lateral border of ischial tuberosity
ins: intertrochanteric crest of femur
act: lateral rotation of hip

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11
Q

Adductor brevis

A

ori: inferior ramus of pubis
ins: linea aspera of femur
act: adduction and flexion at hip

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12
Q

Adductor longus

A

ori: inferior ramus of pubis, anterior to brevis
ins: linea aspera of femur
act: adduction, flexion, and medial rotation at hip

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13
Q

Adductor magnus

A

ori: inferior ramus of pubis posterior to adductor braves and ischial tuberosity
ins: linea aspera and adductor tubercle of femur
act: whole muscle produces adduction at the hip; anterior part produces flexion and medial rotation; posterior part produces extension

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14
Q

Pectineus

A

ori: superior ramus of pubis
ins: pectineal line inferior to lesser trochanter of femur
act: flexion and adduction at hip

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15
Q

Gracilis

A

ori: inferior ramus of pubis
ins: medial surface of tibia inferior to medial condyle
act: flexion and medial rotation at knee; adduction and medial rotation at hip

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16
Q

Iliacus

A

ori: iliac fossa
ins: femur distal to lesser trochanter; tendon fused with that of psoas major
act: flexion at hip and/or lumbar intervertebral joints

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17
Q

Psoas major

A

ori: anterior surfaces and transverse processes ov vertebrae
ins: lesser trochanter
act: flexion at hip and/or lumbar intervertebral joints

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18
Q

Biceps femoris

A

ori: ischial tuberosity and linea aspera of femur
ins: head of fibula, lateral condyle of tibia
act: flexion at knee; extension and rotation at hip

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19
Q

Semimembranosus

A

ori: ischial tuberosity
ins: posterior surface of medial condyle of tibia
act: flexion at knee; extension and medial rotation at hip

20
Q

Semitendinosus

A

ori: ischial tuberosity
ins: proximal, medial surface of tibia
act: flexion at knee; extension and medial rotation at hip

21
Q

Sartorius

A

ori: anterior superior iliac spine
ins: medial surface of tibia near tibial tuberosity
act: flexion at knee; abduction, flexion, and lateral rotation at hip

22
Q

Popliteus

A

ori: lateral condyle of femur
ins: posterior surface of proximal tibial shaft
act: medial rotation of tibia (or lateral rotation of femur) at knee; flexion at knee

23
Q

Rectus femoris

A

ori: anterior inferior iliac spine and superior acetabular rim of ilium
ins: tibial tuberosity via quadriceps tendon, patella, and patellar ligament
act: extension at knee; flexion at hip

24
Q

Vastus intermedius

A

ori: anterolateral surface of femur and lines aspera (distal half)
ins: tibial tuberosity via quadriceps tendon, patella, and patellar ligament
act: extension at knee

25
Q

Vastus lateralis

A

ori: anterior and inferior to greater trochanter of femur and along linea aspera (proximal half)
ins: tibial tuberosity via quadriceps tendon, patella, and patellar ligament
act: extension at knee

26
Q

Vastus medialis

A

ori: entire length of linea aspera of femur
ins: tibial tuberosity via quadriceps tendon, patella, and patellar ligament
act: extension at knee

27
Q

Tibialis anterior

A

ori: lateral condyle and proximal shaft of tibia
ins: base of first metatarsal bone and medial cuneiform
act: dorsiflexion; inversion of foot

28
Q

Gastrocnemius

A

ori: femoral condyles
ins: calcaneus via calcaneal tendon
act: plantar flexion; flexion at knee

29
Q

Fibularis brevis

A

ori: midlateral margin of fibula
ins: base of fifth metatarsal bone
act: eversion of foot and plantar flexion

30
Q

Fibularis longus

A

ori: head and proximal shaft of fibula
ins: base of first metatarsal bone and medial cuneiform
act: eversion of foot and plantar flexion; supports ankle; supports longitudinal and transverse arches

31
Q

Plantaris

A

ori: lateral supracondylar ridge
ins: posterior portion of calcaneus
act: plantar flexion; flexion at knee

32
Q

Soleus

A

ori: head and proximal shaft of fibula, and adjacent posteromedial shaft of tibia
ins: calcaneus via tendon
act: plantar flexion, postural muscle when standing

33
Q

Tibialis posterior

A

ori: interosseous membrane and adjacent shafts of tibia and fibula
ins: navicular, cuneiforms, cuboid, second third fourth metatarsal bones
act: inversion of foot; plantar flexion

34
Q

Flexor digitorum longus

A

ori: posteromedial surface of tibia
ins: inferior surface of diesel changes, toes 2-5
act: flexion of toes 2-5, plantar flexion

35
Q

Flexor hallucis longus

A

ori: posterior surface of fibula
ins: inferior surface, distal phalanx of great toe
act: flexion at joints of great toe, plantar flexion

36
Q

Extensor digitorum longus

A

ori: lateral condyle of tibia; anterior surface of fibula
ins: superior surfaces of phalanges toes 2-5
act: extension at toes 2-5, dorsiflexion

37
Q

Extensor hallucis longus

A

ori: anterior surface of fibula
ins: superior surface, distal phalanx of great toe
act: extension at joints of great toe, dorsiflexion

38
Q

What muscles attach on the anterior side of the ox coxae?

A

oris: iliacus, sartorius, rectus femoris, pectineus, gracilis, adductor longus

39
Q

What muscles attach on the anterior side of the femur?

A

oris: vastus medialis, vastus lateralis, vastus intermedius
ins: iliopsoas

40
Q

What muscles attach on the anterior side of the tibia?

A

oris: tibialis anterior
ins: iliotibial tract, patellar ligament, gracilis, sartorius, semitendinosus

41
Q

What muscles attach on the posterior side of the ox coxae?

A

oris: soleus, tibialis posterior
ins: TFL, sartorius, rectus femoris

42
Q

What muscles attach on the posterior side of the femur?

A

oris: vastus lateralis, vastur intermedius, biceps femoris, vastus medialis, gastrocnemius, plantaris
ins: psoas major, pectineus, iliac, adductor longus, adductor magnus

43
Q

What muscles attach on the posterior side of the tibia?

A

ins: popliteus

44
Q

What muscles attach on the anterior side of the fibula?

A

oris: fibularis longus, fibularis brevis, extensor digitorum longus, extensor hallucis longus

45
Q

What muscles attach on the posterior side of the fibula?

A

oris: soleus, tibialis posterios, flexor hallucis longus, fibula’s brevis

Anatomy (3 decks)

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