OINA for test 4 Flashcards Preview

Anatomy > OINA for test 4 > Flashcards

Flashcards in OINA for test 4 Deck (27)
Loading flashcards...
1

Tibialis anterior

- 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

2

Extensor digitorum longus

- 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

3

Extensor hallicus longus

- 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

4

Peroneus tertius

- 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

5

Extensor digitorum brevis (dorsum of foot)

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

6

Extensor hallucis brevis (dorsum of foot)

- 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

7

Peroneus (fibularis) longus

- 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

8

Peroneus (fibularis) brevis

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

9

Gastrocnemius

• 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)

10

Soleus

• 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

11

Plantaris

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

12

Flexor digitorum longus

• 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

13

Flexor hallicus longus

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

14

Tibilias posterior

• 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

15

Popliteus

• 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)

16

Abductor hallicus

- 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

Flexor digitorum

- 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

Abductor digiti (minimi) quinti

-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

Flexor digitorum longus tendon

- 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

Flexor hallicus longus tendon

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

21

Quadratus plantae

- 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

Lumbricals (4)

- 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

Flexor hallucis brevis

- 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

Flexor digiti quinti

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

25

Adductor hallucis

- 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

Plantar interossei (3)

- 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

Dorsal interossei (4)

- 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