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Human Anatomy I > Exam 4 Lower Leg and Foot Muscles > Flashcards

Exam 4 Lower Leg and Foot Muscles Flashcards

1
Q

the anterior compartment muscles

A

tibialis anterior, extensor digitorum longus, extensor hallucis longus, peroneus Tertius.

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2
Q

what nerve and artery supply the anterior compartment

A

the anterior tibial artery

deep peroneal nerve

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3
Q

Tibialis anterior

A

O: superior 2/3 lateral surface of tibia
I: medial cuneiform and base first metatarsal
N: deep peroneal
A: DF and INV

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4
Q

Extensor Digitorum Longus

A

O: superior 2/3 fibula
I: middle and distal phalanges of the lateral four toes
N: deep peroneal
A: DF and extension of the toes.

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5
Q

Extensor Hallucis Longus

A

O: middle 1/3 fibula
I: base of the distal phalanx of hallux
N: deep peroneal
A: DF and extension of hallux

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6
Q

Peroneus Tertius

A

O: distal end of fibula
I: base of the 5th metatarsal
N: deep peroneal
A: DF and EVE

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7
Q

Extensor Digitorum Brevis

A 
DORSUM OF FOOT
O: calcaneus 
I: long extensor tendons of digits 2-4
N: deep peroneal 
A: extension of digits 2-4
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8
Q

Extensor Hallucis Brevis

A 
DORSUM
O: calcaneus 
I: base proximal phalanx of hallux 
N: deep peroneal 
A: extension of the big toe
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9
Q

Lateral compartment muscles

A

peroneus longus and peroneus brevis

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10
Q

what is the arterial and nerve supply of the lateral compartment

A

peroneal artery and superficial peroneal nerve

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11
Q

Peroneus (Fibularis) Longus

A

O: superior 2/3 fibula
I: base first metatarsal and medial cuneiform
N: superficial peroneal
A: EVE and PF

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12
Q

Peroneus (Fibularis) Brevis

A

O: distal end of the fibula
I: base of the 5th metatarsal
N: superficial peroneal
A: EVE and PF

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13
Q

posterior compartment muscles

A 
Gastroc
Soleus
Plantaris
Flexor Digitorum Longus
Flexor Hallucis Longus 
Tibialis Posterior 
Popliteus
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14
Q

Posterior compartment artery and nerve supply

A

posterior tibial artery, and tibial nerve

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15
Q

Gastroc

A

O: lateral head from lateral femur and medial head of femur
I: calcaneus
N: tibial nerve
A: PF and knee flexion

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16
Q

Soleus

A

O: posterior surface tibia and fibula
I: calcaneus
N: tibial nerve
A: PF

17
Q

Plantaris

A

O: lateral condyle of femur
I: calcaneus
N: tibial nerve
A: PL and leg flexion

18
Q

Flexor Digitorum Longus

A

O: tibia
I: distal phalanx of lateral four digits
N: tibial nerve
A: flexion of digits 2-5 and PF

19
Q

Flexor Hallucis Longus

A

O: fibula
I: distal phalanx of big toe
N: tibial nerve
A: flexion of hallux and PF

20
Q

Tibialis Posterior

A

O: tibia, fibula and interosseous membrane
I: navicular, cuboid, base 2-4 metatarsals
N: tibial nerve
A: INV and PF

21
Q

Popliteus

A

O: upper end of tibia
I: lateral condyle of femur
N: tibial nerve
A: rotation of knee joint and knee flexion

22
Q

First layer of the sole of the foot

A

abductor hallucis
flexor digitorum brevis
abductor digiti (minimi) quinti

23
Q

Abductor Hallucis

A

O: medial calcaneus and plantar aponeurosis
I: proximal phalanx of hallux
N: medial plantar nerve
A: ABD and flex hallux at MTP joint

24
Q

Flexor Digitorum brevis

A

O: medial calcaneus and planter aponeurosis
I: middle phalanx of lateral four toes
N: medial plantar nerve
A: flexes toes 2-5 at MTP and PIP joints

25
Q

abductor digiti (minimi) quinti

A

O: lateral calcaneus and plantar aponeurosis
I: proximal phalanx of 5th digit
N: lateral plantar nerve
A: ABD and flex the little toe at MTP

26
Q

Second layer

A

flexor digitorum longus tendon
flexor hallucis longus tendon
quadratus plantae
Lumbricals

27
Q

Flexor Digitorum Longus Tendon

A

O: tibia
I: distal phalanx of lateral four digits
N: tibial nerve
A: flexion of digits 2-5 at MTP, PIP and DIP joints

28
Q

Flexor Hallucis Longus Tendon

A

O: fibula
I: distal phalanx of big toe
N: tibial nerve
A: flexion of hallux at MTP and IP joint

29
Q

Quadratus Plantae

A

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

30
Q

Lumbricals

A

O: medial border of tendons of the FDL
I: bases of proximal phalanx 2-5 and dorsal digital expansions
N: the medial one by the medial plantar and the lateral three by the lateral plantar
A: flexes the MTP and extends the PIP and DIP of the lateral 4 toes

31
Q

Third Layer

A

Flexor Hallucis Brevis
Flexor Digiti Quinti
Adductor Hallucis

32
Q

Flexor Hallucis Brevis

A

HAS SEASOMOIDS
O: plantar surface of the cuboid and lateral cuneiform
I: medial and lateral proximal phalanx of the big toe
N: medial plantar
A: flexes the great toe

33
Q

Flexor Digiti Quinti

A

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

34
Q

Adductor Hallucis

A

O: Oblique head: base of 2-4 metatarsals
Transverse head: plantar lig. of the lateral 4 MTP
I: lateral base of the proximal phalanx of hallux
N: lateral plantar nerve
A: ADD the great toe, and maintaining transverse arch

35
Q

Fourth layer of sole of foot

A

Plantar interossei

Dorsal Interossei

36
Q

Plantar Interossei

A

O: medial side 3-5 metatarsals
I: medial sides of proximal phalanges 3-5 digits and extensor expansions
N: lateral plantar nerve
A: ADD to the line of the second toe

37
Q

Dorsal Interossei

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

Human Anatomy I (15 decks)

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