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
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
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
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
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
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
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
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
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)
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
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)
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
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
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
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)
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
