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DPT Anatomy Test 2 > Foot > Flashcards

Foot Flashcards

1
Q

I of extensor digitorum brevis

A

lateral 3 tendons attach to tendons of Ext. Dig. Longus to digits 2-4

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2
Q

Action of Extensor Digitorum longus

A

extend toes 2-4 at metatarsal phalangeal joint

assist ext. dig. longus

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3
Q

Innervation of Extensor Digitorum brevis

A

Deep Fibular (L5-S1)

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4
Q

Origin of Extensor Hallucis Brevis

A

Same as Extensor digitorum brevis
anterior part of the dorsal surface of calcaneus
anterior and medial to the lateral malleolus
inferior extensor retinaculum

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5
Q

I of extensor hallucis brevis

A

medial tendon of 4 tendons to base of proximal phalanx of hallux

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6
Q

Action of extensor hallucis brevis

A

extend hallux at MTP jt.

assist ext hallucis longus

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7
Q

Innervation of extensor hallucis brevis

A

deep peroneal n L5-S1

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8
Q

O of abductor hallucis

A

medial process of tuber calcaneus
flexor retinaculum
planter aponeurosis

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9
Q

I of Abductor Hallucis

A

medial side of base of proximal phalanx of hallux

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10
Q

Action of abductor hallucis

A

abducts and flexes hallux

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11
Q

innervation of abductor hallucis

A

medial plantar n S1-S2

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12
Q

flexor digitorum brevis

A

medial process of tuber calcaneus
plantar aponeurosis
intermuscular septum

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13
Q

I of flexor digitorum brevis

A

both sides of middle phalanx of lateral four digits

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14
Q

Action of flexor digitorum brevis

A

flexes lateral 4 digitsproximal interphalangeal joint

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15
Q

innervation of flexor digitorum brevis

A

medial plantar n. (S1-S2)

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16
Q

O of abductor digiti minimi

A

medial and lateral processes of tuber calcanei
intermuscular septum
plantar aponeurosis

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17
Q

I of Abductor Digiti minimi

A

Lateral side of base of proximal phalance of 5th digit

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18
Q

Action of abductor digiti minimi

A

abducts and flexes 5th digit

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19
Q

Innervation of Abductor digiti minimi

A

lateral plantar n (S2-S3)

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20
Q

Quatdratus plantae origin

A

medial surface and lateral margin of plantar surface of calcaneus

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21
Q

I quadratus plantae

A

posterolateral margin of tendon of flex. dig. longus

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22
Q

action of quadratus plantae

A

assists flex. dig. longus in flexing lateral 4 digits

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23
Q

Innervation of Quadratus plantae

A

Lateral plantar n S2, S3

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24
Q

O of lumbricals

A

tendons of flex dig longus

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25
Q

I of lumbricals

A

medial sides of bases of proximal phalanges of lateral 4 digits
extensor expansions of tendons of ext. dig. longus

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26
Q

action of lumbricals

A

flex proximal phalanges

extend middle and distal phalanges of lateral 4 digits

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27
Q

innervation of lumbricals

A

medial lumbrical - medial plantar n (S2-S3)

lateral 3 lumbricals - lateral plantar n (S2-S3)

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28
Q

O of flexor hallucis brevis

A

plantar surfaces of cuboid and lateral cuneiform bones

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29
Q

I of flexor hallucis brevis

A

both sides of base of proximal phalanx of hallux

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30
Q

action of flexor hallucis brevis

A

flexes proximal phalanx of hallux

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31
Q

Innervation of Flexor hallucis brevis

A

medial plantar n. S1-S2

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32
Q

O of adductor hallucis

A

oblique head - bases of metatarsals 2-4

transverse head - plantar ligaments of metatarsal phalangeal joints

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33
Q

i of adductor hallucis

A

tendons of both heads attach to lateral side of base of proximal phalanx of hallux

34
Q

action of adductor hallucis

A

adducts hallux

assists in maintaining transverse arch

35
Q

innervation of adductor hallucis

A

lateral plantar n. S2-S3

36
Q

o of flexor digiti minimi brevis

A

base of 5th metatarsal bone

37
Q

i of flexor digiti minimi brevis

A

base of proximal phalanx of 5th digit

38
Q

action of flexor digiti minimi brevis

A

flexes proximal phalanx of 5th digit

39
Q

innervation of flexor digiti minimi brevis

A

lateral plantar n (S2-S3)

40
Q

origin of plantar interossei (3 muscles)

A

bases and medial sides of metatarsal bones 3-5

41
Q

i of plantar interossei (3 muscles)

A

medial side of bases of proximal phalnges of digits 3-5

42
Q

action of plantar interossei (3 mucsles)

A

adducts digits 3-5

flexes MTP jts.

43
Q

innervation of plantar interossei

A

lateral plantar n S2-S3

44
Q

o of dorsal interossei (4 muscles)

A

adjacent sides of metatarsal bones 1-5

45
Q

i of dorsal interossei

A

1st - medial side of proximal phalanx of 2nd digit

2-4 - lateral sides of digits 2-4

46
Q

action of dorsal interossei

A

abducts digits 2-4

47
Q

innervation of dorsal interossei

A

lateral plantar n S2-S3

48
Q

the deep fascia of the foot- continuos with deep fascia around _____ joint. on the ____ surface it is ___ and continuous with the ______

A

talocrural, dorsal, thin, inferior extensor retinaculum

49
Q

greatly thickened dense connective tissue that spans the entire plantar surface of the foot

A

plantar aponeurosis

50
Q

the plantar aponeurosis helps in supporting the _____ arches

A

longitudinal

51
Q

where does the plantar aponeurosis start

A

on the tuber calcaneus

52
Q

where does the plantar aponeurosis fan into

A

encases the flexor tendons of digits (fans out into 4 separate bands distally toward the toes)

53
Q

________ from the deep side of the plantar aponeurosis divide the plantar side of foot into medial, central, and lateral longitudinal compartments

A

vertical septa

54
Q

What joint comprises the ankle, and what type

A

talocrural - hinge type synovial

55
Q

what type of joint is the interosseus membrane

A

syndesmosis joint

56
Q

not only are the tibia and fibula held together by the interosseus membrane, but also

A

ant & post inferior tibiofibular ligaments

57
Q

When is the ankle limited in inversion/eversion and rotation

A

dorsiflexion (closed-pack position)

58
Q

what does the deltoid ligament do

A

4 parts connecting tibia to navicular, talus (2-ant., post.), and calcaneus

59
Q

what are the lateral ligaments of the ankle?

A

ant., post. talofibular and calcanofibular

60
Q

what might the strength of the ancle ligaments result in

A

avulsion fractures of the lateral or medial malleolus during force inversion or eversion

61
Q

joint between talus and calcaneus

A

subtalar

62
Q

primary location of inversion and eversion

A

subtalar

63
Q

what comprises the transverse tarsal joint

A

combination of talocacanonavicular jt and calcaneocubiod joint

64
Q

what does the transverse tarsal joint facilitate

A

inversion/eversion, pronation/supination

65
Q

the medial and lateral longitudinal arch are supported by what 4 things

A 
plantar calcaneonavicular (spring) ligament
plantar aponeurosis
long plantar ligament
short plantar ligament
66
Q

transverse arch is supported by

A

tendon of the peroneus longus muscle

67
Q

what is the anterior tibial a. named once it passes deep to the inferior extensor retinaculum

A

dorsalis pedis

68
Q

lack of or diminished dorsalis pedis pulse is an indicator of

A

vascular insufficiency, possibly from atherosclerotic changes

69
Q

dorsalis pedis divides distally near the MTP joint into the

A

deep plantar a. and arcuate a.

70
Q

The deep plantar a. joins the ___________ by diving between the proximal phalanx bones of the hallux and second toe

A

deep plantar arterial arch

71
Q

What branches off the arcuate artery?

A

dorsal digital branches and perforating branches that reach the plantar surface of the foot

72
Q

extensions of the posterior tibial artery

A

medial and lateral plantar artery

73
Q

which artery has a less consistent superficial plantar arch? medial or lateral plantar

A

medial plantar a.

74
Q

tibial nerve divides posterior to _____ into medial and lateral plantar n.

A

medial malleolus

75
Q

which plantar n is larger?

A

medial

76
Q

medial plantar n is deep to

A

abductor hallucis

77
Q

What does the superficial branch of the lateral plantar n. innervate.

A

lateral muscles of foot and cutaneous branches to lateral two digits

78
Q

where does the sural n arise from?

A

branches of the tibial n and common fibular n at the level of the popliteal fossa

79
Q

what supplies the cutaneous innervation to posterior and lateral distal third of the leg, then the skin over the lateral margin of foot and 5th digit

A

sural n

80
Q

where does the saphenous n come from?

A

divided off the femoral n. in the femoral triangle and descended along with femoral .a. and v. through the adductor canal and popliteal fossa

81
Q

what supplies the cutaneous innervation over the anterior and medial parts of the leg and along the medial side of the foot

A

saphenous n.

82
Q

O of Extensor Digitorum Brevis

A

Anterior part of dorsal surface of calcaneus
anterior and medial to lateral malleolus
inferior extensor retinaculum

DPT Anatomy Test 2 (6 decks)

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