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Anatomy > OINA for test 4 > Flashcards

OINA for test 4 Flashcards

1
Q

Tibialis anterior

A
  • O: superior 2/3 lateral surface of the tibia
  • I: medial cuneiform and base of first metatarsal
  • N: deep peroneal/ fibular nerve
  • A: dorsiflexion and inversion of foot
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2
Q

Extensor digitorum longus

A
  • O: superior 2/3 of the fibula
  • I: middle and distal phalanges of the lateral four toes (via extensor expansor hood)
  • N: deep peroneal/ fibular
  • A: dorsiflexion of the foot and extension of the toes
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3
Q

Extensor hallicus longus

A
  • O: middle 1/3 fibula
  • I: base of distal phalanx of hallux
  • N: deep peroneal
  • A: dorsiflexion of the foot and extension of the hallux
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4
Q

Peroneus tertius

A
  • O: distal end of the fibula
  • I: base of the 5th metatarsal
  • N: deep peroneal
  • A: dorsiflexion of the foot and eversion of the foot
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5
Q

Extensor digitorum brevis (dorsum of foot)

A
  • O: calcaneus (anterior surface)
  • I: long extensor tendons of digits 2-4 (distal attachment)
  • N: deep peroneal
  • A: extension of digits 2-4
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6
Q

Extensor hallucis brevis (dorsum of foot)

A
  • O: calcaneus (antrior surface, medial to the extensor digitorum brevis)
  • I: base of proximal phalanx of hallux
  • N: deep peroneal
  • A: extension of the big toe
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7
Q

Peroneus (fibularis) longus

A
  • O: superior 2/3 of the fibula
  • I: base of the 1st metatarsal
    and medial cuneiform
  • N: superficial peroneal
  • A: eversion and plantarflexion
    of the foot
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8
Q

Peroneus (fibularis) brevis

A
  • O: distal end of the fibula
  • I: base of the 5th metatarsal
  • N: superficial peroneal
  • A: eversion and plantarflexion
    of the foot
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9
Q

Gastrocnemius

A

• O -lateral head from lateral
condyle of femur(posterior surface of the femur), medial head from medial condyle of femur
• I - calcaneus (by the achiles tendon into the calcaneus)
• N - tibial nerve
• A - plantarflexion of foot, flexion of leg (knee)

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10
Q

Soleus

A 
• O - posterior surface of fibula
and tibia (around the soleal line)
• I - calcaneus (by the achilles tendon)
• N - tibial nerve
• A - plantarflexion of the foot
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11
Q

Plantaris

A 
• O - lateral condyle of femur
• I - calcaneus or calcaneal tendon
• N - tibial nerve
• A - plantarflexion of the foot,
flexion of leg (does both weakly)
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12
Q

Flexor digitorum longus

A 
• O - posterior surface of the tibia
• I - distal phalanx of lateral four
digits
• N - tibial nerve
• A - flexion of digits 2-5 and
plantarflexion of the foot
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13
Q

Flexor hallicus longus

A 
• O - distal end of the fibula
• I - distal phalanx of big toe
• N - tibial nerve
• A - flexion of hallux and
plantarflexion of the foot
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14
Q

Tibilias posterior

A 
• O - tibia, fibula and interosseous membrane
• I - navicular, cuneiform, cuboid
and base of the 2nd, 3rd, and
4th metatarsal
• N - tibial nerve
• A -inversion and plantarflexion
of the foot
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15
Q

Popliteus

A
  • O - posterior surface of the upper end of tibia
  • I - lateral condyle of femur
  • N - tibial
  • A - rotation of knee joint, (main action), knee flexion (weak)
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16
Q

Abductor hallicus

A 
- O: medial calcaneus and
plantar aponeurosis
- I: proximal phalanx of
hallux
- N: medial plantar nerve
- A: abduct and flex hallux
at MTP(metatarsal phalangeal) joint
17
Q

Flexor digitorum

A 
- O: medial calcaneus and
plantar aponeurosis
- I: middle phalanges of
lateral four toes
- N: medial plantar nerve
- A: flexes toes 2 – 5 at
MTP (metatarsal phalangeal)  & PIP (proximal interphalangeal) joints
18
Q

Abductor digiti (minimi) quinti

A 
-O: lateral calcaneus and
plantar aponeurosis
- I: proximal phalanx of 5th
digit
- N: Lateral plantar nerve
- A: abduct and flex little toe
at MTP (metatarsal phalangeal)
19
Q

Flexor digitorum longus tendon

A
  • O: tibia
  • I: distal phalanx of lateral four
    digits
  • N: tibial nerve (posterior leg)
  • A: flexion of digits 2-5 at MTP,
    PIP and DIP (distal interphalangeal) joints
20
Q

Flexor hallicus longus tendon

A
  • O: fibula
  • I: distal phalanx of big toe
  • N: tibial nerve (posterior
    leg)
  • A: flexion of hallux at MTP
    & IP joints
21
Q

Quadratus plantae

A 
- O: plantar surface of
calcaneus
- I: tendon of the flexor
digitorum longus
- N: lateral plantar nerve
- A: redirect the line of pull of
the tendons of the flexor
digitorum longus
22
Q

Lumbricals (4)

A
  • O: medial borders of tendons of the FDL
  • I: bases of proximal phalanx 2– 5 and dorsal digital expansions
  • N: medial one by the medial plantar nerve, lateral three by the lateral plantar nerve
  • A: flexes the MTP and extends the PIP & DIP of the lateral four toes
23
Q

Flexor hallucis brevis

A 
- O: plantar surface of
cuboid and lateral cuneiform
- I: medial and lateral proximal phalanx of the big toe (sesamoids in tendons)
- N: medial plantar nerve
- A: flexes the great toe
24
Q

Flexor digiti quinti

A 
-O: base of the 5th
metatarsal
- I: proximal phalanx of
the 5th toe
- N: lateral plantar nerve
- A: flex the little toe
25
Q

Adductor hallucis

A
  • O: oblique head: base of the 2nd, 3rd, and 4th metatarsals
    Transverse head: plantar ligaments of the lateral four MTP joints
  • I: lateral base proximal phalanx of hallux
  • N: lateral plantar nerve
  • A: adducts the great toe, assists in maintaining the transverse arch of the foot
26
Q

Plantar interossei (3)

A
  • O: medial sides of the 3rd, 4th, and 5th metatarsals
    -I: medial sides of the proximal
    phalanges of the 3rd, 4th, and 5th digits and extensor expansions
  • N: lateral plantar nerve
  • A: adduct to the line of the second toe
27
Q

Dorsal interossei (4)

A 
- O: adjacent sides of the two
metatarsals
- I: #1 to medial side of the 2nd digit
#2 to lateral side of the 2nd digit
#3 to lateral side of the 3rd digit
#4 to lateral side of the 4th digit
- N: lateral plantar nerve
- A: abducts from line of the 2nd toe

Anatomy (9 decks)

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