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Anatomy > Appendicular Muscles - Lower Limb > Flashcards

Appendicular Muscles - Lower Limb Flashcards

1
Q

Tibialis anterior

A

Origin: lateral condyle & proximal shaft of tibia

Insertion: metatarsals

Action: dorsiflexion & inversion

Innervation: deep fibular nerve

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2
Q

Tibialis posterior

A

Origin: interosseus membrane & shafts of tibia and fibula

Insertion: metatarsals

Action: plantar flexion & inversion

Inneration: tibial branch of sciatic nerve

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3
Q

Gastrocnemius

A

Origin: femoral condyles

Insertion: calcaneus

Action: plantar flexion & flexion at knee

Innervation: tibial nerve

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4
Q

Soleus

A

Origin: head and shaft of fibula & shaft of tibia

Insertion: calcaneus

Action: plantar flexion

Innervation: tibial branch of sciatic nerve

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5
Q

Flexor digitorum longus

A

Action: flexion of joints of toes 2-5 & plantar flexion

Innervation: tibial branch

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6
Q

Flexor hallucis longus

A

Origin: flexion at joints of great toe & plantar flexion

Innervation: tibial branch

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7
Q

Extensor digitorum longus

A

Action: extension of toes 2-5 & dorsiflexion

Innervation: deep fibular nerve

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8
Q

Extensor hallucis longus

A

Action: extension at joints of great toe & dorsiflexion

Innervation: deep fibular nerve

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9
Q

Biceps femoris

A

Origin: ischial tuberosity & linea aspera

Insertion: head of fibula & lateral condyle of tibia

Action: flexion at knee & extension at hip

Innervation: sciatic nerve (tibial portion)

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10
Q

Semimembranosus

A

Origin: ischial tuberosity

Insertion: medial condyle of tibia

Action: flexion at knee & extension at hip

Innervation: sciatic nerve (tibial branch)

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11
Q

Semitendinosus

A

Origin: ischial tuberosity

Insertion: proximal and medial tibia

Action: flexion at knee & extension at hip

Innervation: sciatic nerve (tibial branch)

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12
Q

Sartorius

A

Origin: iliac spine

Insertion: tibia (near tibial tuberosity)

Action: flexion at knee & extension at hip

Innervation: femoral nerve

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13
Q

Popliteus

A

Origin: lateral condyle of femur

Insertion: tibial shaft

Action: medial rotation of tibia & flexion at knee

Innervation: tibial nerve

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14
Q

Rectus femoris

A

Origin: iliac spine & ilium

Insertion: tibial tuberosity

Action: extension at knee & flexion at hip

Innervation: femoral nerve

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15
Q

Vastus intermedius

A

Origin: anterolateral surface of femur & linea aspera

Insertion: tibial tuberosity

Action: extension at knee

Innervation: femoral nerve

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16
Q

Vastus lateralis

A

Origin: greater trochanter & linea aspera

Insertion: tibial tuberosity

Action: extension at knee

Innervation: femoral nerve

17
Q

Vastus medialis

A

Origin: linea aspera

Insertion: tibial tuberosity

Action: extension at knee

Innervation: femoral nerve

18
Q

Adductor brevis

A

Origin: ramus of pubis

Insertion: linea aspera

Action: medial rotator, adductor, & flexion

Insertion: obturator nerve

19
Q

Adductor longis

A

Origin: ramus of pubis

Insertion: linea aspera

Action: medial rotator, adductor, & flexion

Innervation: obturator nerve

20
Q

Adductor magnus

A

Origin: ramus of pubis

Insertion: linea aspera & adductor tubercle

Action: adductor & extension

Innervation: obturator nerve

21
Q

Pectineus

A

Origin: ramus of pubis

Insertion: linea aspera

Action: adductor

Insertion: obturator nerve & femoral nerve

22
Q

Gracilis

A

Origin: ramus of pubis

Insertion: tibia

Action: adductor

Insertion: obturator nerve

23
Q

Iliacus

A

Origin: iliac fossa

Insertion: distal to lesser trochanter & tendon

Action: flexion

Innervation: femoral nerve

24
Q

Psoas major

A

Origin: transverse processes of T12 to L5

Insertion: lesser trochanter

Action: flexion

Innervation: lumbar plexus

25
Q

Gluteus maximus

A

Origin: iliac crest, ilium, sacrum, coccyx, & thoracolumbar fascia

Insertion: iliotibial tract & gluteal tuberosity

Action: extensor & lateral rotator

Innervation: inferior gluteal nerve

26
Q

Gluteus medius

A

Origin: iliac crest & ilium

Insertion: greater trochanter

Action: abductor & medial rotator

Innervation: superior gluteal nerve

27
Q

Gluteus minimus

A

Origin: ilium

Insertion: greater trochanter

Action: abductor & medial rotator

Innervation: superior gluteal nerve

28
Q

Tensor fasciae latae

A

Origin: iliac crest & iliac spine

Insertion: iliotibial tract

Action: flexion, abduction, & medial rotation

Innervation: superior gluteal nerve

29
Q

Obturators

A

Origin: obturator foramen

Insertion: trochanteric fossa & greater trochanter

Action: lateral rotation

Innervation: sacral nerves

30
Q

Piriformis

A

Origin: sacrum

Insertion: greater trochanter

Action: lateral rotation

Innervation: sacral nerves

31
Q

Gemeli

A

Origin: ischial spine & ischial tuberosity

Insertion: greater trochanter

Action: lateral rotator

Innervation: sacral nerves

32
Q

Quadratus femoris

A

Origin: ischial tuberosity

Insertion: intertrochanteric crest

Action: lateral rotator

Anatomy (6 decks)

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