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BI341 FINAL EXAM > Muscles Of The Lower Limb > Flashcards

Muscles Of The Lower Limb Flashcards

1
Q

Gluteus Maximus

A

O: ilium, sacrum, coccyx
I: gluteal tuberosity of femur, iliotibial band
A: thigh extension, abduction, lateral (external) rotation at hip

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2
Q

Piriformis

A

O: sacrum
I: greater trochanter of femur
A: thigh lateral rotation at hip

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3
Q

Gluteus medius

A

O: ilium
I: greater trochanter of the femur
A: thigh abduction, medial rotation at hip

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4
Q

Gluteus minimus

A

O: ilium
I: greater trochanter of femur
A: abduction of thigh, medial rotation at thigh

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5
Q

Semimembranosus

A

O: ischial tuberosity of ischium
I: medial condyle of tibia
A: thigh extension, internal rotation, leg flexion at knee

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6
Q

Semitendinosus

A

O: ischial tuberosity of ischium
I: medial condyle of tibia
A: thigh extension, medial rotation, leg flexion at knee

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7
Q

Biceps femoris

A

O: ischial tuberosity of ischium (long head), linea aspera of femur (short head)
I: head of fibula, lateral condyle of tibia
A: thigh extension, lateral rotation at hip, leg flexion at knee

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8
Q

Adductor brevis

A

O: pubis
I: linea aspera and posterior femur
A: thigh adduction at hip

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9
Q

Adductor longus

A

O: pubis
I: linea aspera and posterior femur
A: thigh addiction at hip

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10
Q

Adductor magnus

A

O: pubis
I: linea aspera and posterior femur
A: thigh adduction at hip

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11
Q

Pectinius

A

O: pubis
I: linea aspera and posterior femur
A: thigh adduction at hip

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12
Q

Gracilis

A

O: pubis
I: proximal, medial tibia
A: thigh adduction at hip, medial rotation at hip, weakly supports leg flexion at knee

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13
Q

Iliopsoas

A

O: ilium (iliacus), lower vertebrae (psoas major)
I: letter trochanter of femur
A: thigh flexion at hip, trunk flexion at hip, psoas only: lateral flexion of vertebral column at intervertebral joints

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14
Q

Sartorius

A

O: anterior superior iliac spine of ilium
I: proximal medial tibia
A: thigh flexion, abduction, lateral rotation at hip, weakly supports leg flexion at knee

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15
Q

Tensor fasciae latae

A

O: iliac crest, anterior superior iliac spine
I: iliotibial tract
A: thigh flexion, medial rotation and abduction at hip

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16
Q

Rectus femoris

A

O: anterior inferior iliac spine of ilium, acetabulum of os coxa
I: tibial tuberosity of tibia via patellar ligament
A: thigh flexion at hip and leg flexion at knee

17
Q

Vastus lateralis

A

O:proximal femur
I: tibial tuberosity of tibia via patellar ligament
A: leg extension at knee

18
Q

Vastus intermedius

A

O: proximal femur
I: tibial tuberosity of tibia via patellar ligament
A: leg extension at knee

19
Q

Vastus medialis

A

O: proximal femur
I: tibial tuberosity of tibia via patellar ligament
A: leg extension at knee

20
Q

Tibialis anterior

A

O: proximal anterior tibia
I: medial foot
A: foot dorsiflexion, inversion at ankle

21
Q

Extensor digitorum longus

A

O: lateral tibia/fibula
I: phalanges
A: toe extension, foot dorsiflexion

22
Q

Extensor hallucis longus

A

O: fibula
I: first digit distal phalanx
A: extension of big toe, foot dorsiflexion

23
Q

Fibularis (peroneus) longus

A

O: fibula
I: medial foot
A: foot plantar flexion, eversion at ankle

24
Q

Fibularis (peroneus) brevis

A

O: Fibula
I: bottom of lateral foot
A: foot eversion and plantar flexion at ankle

25
Q

Tibialis posterior

A

O: proximal posterior tibia and fibula
I: tarsals and metatarsals
A: foot inversion and plantar flexion at ankle

26
Q

Flexor digitorum longus

A

O: posterior tibia
I: phalanges
A: toe flexion at several joints, weak plantar flexion, inversion at ankle

27
Q

Flexor hallucis longus

A

O: fibula
I: distal phalanx of great toe
A: great toe flexion at several joints, foot plantar flexion, inversion at ankle

28
Q

Plantaris

A

O: distal femur
I: calcaneus
A: foot plantar flexion at ankle (weak), weak leg flexion at knee

29
Q

Gastrocnemius

A

O: distal femur
I: calcaneus
A: Foot plantar flexion at ankle, leg flexion at knee

30
Q

Soleus

A

O: proximal tibia and fibula
I: calcaneus
A: foot plantar flexion at ankle

BI341 FINAL EXAM (4 decks)

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