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DPT Anatomy Test 2 > Leg > Flashcards

Leg Flashcards

(83 cards)

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1
Q

O of extensor hallucis longus

A

middle part of ant. surface of fibula and interosseus membrane

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2
Q

O of Extensor Digitorum longus

A

lateral condyle of tibia & interosseus membrane

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3
Q

O of peroneus (fibular) tertius

A
  • inferior 1/3 of ant. surface of fibula

- interosseus membrane

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4
Q

I of Tibalis anterior

A

medial and inferior surfaces of medial cuneiform and 1st metatarsal

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5
Q

O of tibialis anterior

A

lateral condyle & superior 1/2 of lateral tibia

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6
Q

I for Extensor Hallucis longus

A

dorsal aspect of base of distal phananx of hallux

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7
Q

I for extensor Digitorum longus

A

middle and distal phalanges of lateral 4 digits

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8
Q

I of peroneus tertius

A

dorsum of base of 5th metatarsal

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9
Q

a of tibialis anterior

A

dorsiflex and invert foot

supports the medial longitudinal arch

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10
Q

a of extensor hallucis longus

A

extends hallux and dorsiflexes foot

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11
Q

a of extensor digitorum longus

A

extends lateral 4 digits and dorsiflexes foot

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12
Q

a of peroneus tertius

A

dorsiflex foot and aides in eversion

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13
Q

Innervation of all four anterior compartment muscles (tibialis anterior, extensor hallucis longus, extensor digitorum longus, peroneus tertius)

A

Deep fibular nerve (L4-L5)

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14
Q

extension of the hallux is used to indicate the integrity of ____spinal segment

A

L5

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15
Q

_____ of the hallux is used to indicate the integrity of L5 spinal segment

A

extension

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16
Q

O peroneus longus

A

head & sup. 2/3 of lateral surface of fibula

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17
Q

O peroneus brevis

A

Inferior 2/3 of lateral surface of fibula

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18
Q

i of peroneus longus

A

base of first metatarsal & medial cuneiform

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19
Q

i of peroneus brevis

A

dorsal surface of tuberosity on lateral side of base of 5th metatarsal

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20
Q

a of peroneus longus

A

everts foot & weakly plantarflexes

tendon supports all the arches (transverse and both medial and lateral longitudinal)

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21
Q

a of peroneus brevis

A

everts foot and weakly plantarflexes

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22
Q

Innervation of peroneus longus and brevis

A

superficial fibular nerve (L5-S2)

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23
Q

O of gastrocnemius lateral head

A

lateral aspect of lateral condyle of femur

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24
Q

O of gastrocnemius medial head

A

popliteal surface of femur, sup. to medial condyle

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25
O of soleus
post aspect of head of fibula sup 1/4 of fibula soleal line medial border of tibia
26
O of plantaris
inferior end of lateral supracondylar line of femur | oblique popliteal ligament
27
I of all superficial posterior compartment muscles (gastrocnemius, soleus, plantaris)
posterior surface of calcaneus via tendo calcaneus
28
Difference in action of gastrocnemius and soleus
They both plantar flex foot, raises heel during walking | The gastrocnemius also flexes knee joint
29
innervation of superficial posterior compartment muscles (gastrocnemius, soleus, plantaris)
tibial nerve (S1-S2)
30
Action of plantaris
weakly assists in plantarflexion and flexion of knee
31
O of popliteus
lateral surface of lateral condyle of femur | lateral meniscus
32
I of popliteus
posterior surface of tibia, sup. to soleal line
33
action of popliteus
weakly flexes knee and unlocks it
34
on a fixed tibia, how does popliteus act
laterally rotates femur to unlock
35
on a fixed femur, how does popliteus act
medially rotates tibia to unlock
36
Innervation of popliteus
Tibial nerve L4-S1
37
O of flexor hallucis longus
inferior 2/3 of posterior surface of fibula | inferior part of interosseus membrane
38
I of flexor hallucis longus
base of distal phalanx of hallux
39
A of flexor hallucis longus
flexes hallux at all joints plantar flexes foot supports longitudinal arch
40
innervation of flexor hallucis longus and flexor digitorum longus
tibial n S2-S3
41
O of flexor digitorum longus
medial part of posterior surface of tibia inferior to soleal line by broad aponeurosis to fibula
42
I of flexor digitorum longus
bases of distal phalanges of lateral 4 digits
43
action of flexor digitorum longus
flexes lateral 4 digits plantarflexes foot supports medial longitudinal arch of foot
44
O of tibialis posterior
interosseus membrane posterior surface of tibia inferior to soleal line posterior surface of fibula
45
I of tibialis posterior
tuberosity of navicular all three cuneiform bones and bases of 2,3,4 metatarsals
46
Action of tibalis posterior
plantarflexes foot inverts foot supports transverse and medial longitudinal arch
47
The tibialis posterior and anterior both do what?
invert foot | support medial longitudinal arch of foot
48
Innervation of tibialis posterior
Tibial nerve L4-L5
49
What nerve innervates all of the posterior leg
tibial
50
The deep fascia of the leg is continuous with the ____
fascia lata, deep fascia of the thigh
51
The crural facia surrounds the leg and is continuous with
the periosteum of the tibia on its anterior and medial surface (the surface you can palpate)
52
Near the distal end of the leg, the fascia is thickened as
superior and inferior extensor retinacula
53
these extend from the deep side of the fascia and attach to the lateral edge of the fibula to separate and divide the three compartments of the leg
anterior and posterior crural intermuscular septa
54
Nerves of the leg form from branches of
the sciatic nerve formed from the ventral rami of spinal nerves L4-S3
55
Which two main branches of the sciatic nerve are identified in the popliteal fossa (even though they may have branched in the gluteal region or thigh)
Tibial nerve and the common fibular nerve
56
tibial nerve is formed from the
ventral division (of the ventral rami) of L4-S3
57
The muscular branches of the tibial nerve innervate the muscles of the _____ compartment of the leg
posterior
58
What does the tibial nerve bifurcate into
medial and lateral plantar nerves of the foot
59
the sural nerve is made up of
medial sural cutaneous nerve (from tibial) and a branch from the common fibular
60
What is the sural nerve
a cutaneous nerve that innervates the inferior lateral posterior part of the leg and the sole of the foot
61
What does the common fibular nerve branch into
superficial and deep fibular
62
what does the common fibular nerve wrap laterally around?
the neck of the fibula and then divides deep to the peroneus longus
63
what innervates the muscles of the anterior crural compartment
deep fibular nerve
64
What nerve pierces the anterior crural intermuscular septum to descend on the anterior surface of the interosseus membrane?
deep fibular
65
T or F The deep fibular nerve remains deep to the extensor retinacula
T
66
What nerve innervates the muscles of the lateral crural compartment
superficial fibular nerve
67
What nerve descends posterolateral to the anterior crural intermuscular septum
superficial fibular
68
What are the muscular branches of the popliteal artery?
heads of the gastrocnemius
69
What are the terminal branches of the popliteal artery?
anterior and posterior tibial arteries
70
Which artery becomes dorsalis pedis artery and is a terminal branch of the popliteal artery
anterior tibial artery
71
Which artery supplies the anterior muscle compartment?
anterior tibial artery
72
What is the main branch of the posterior tibial artery?
fibular artery
73
Which artery runs posterior to interosseus membrane along with posterior tibial nerve?
posterior tibial artery
74
________ artery goes around medial malleolus to end on the plantar surface of the foot as medial and lateral plantar artery
posterior tibial artery
75
Which compartment has no major artery
lateral crural compartment
76
muscular branches of the fibular artery are responsible for the blood supply to the _____
lateral crural compartment
77
inflammation or swelling of tibialis anterior causing pressure on encasing crural fascia
shin splints
78
tearing of the origin of tibialis anterior is a cause for what
shin splints
79
tibialis posterior attached to interosseus membrane is irritated with excess/forceful dorsiflexion, consequently irritating the continuity to the periosteum of the tibia
hypothesis for shin splints
80
damage to ____, ____, or _____ n. will cause the loss of _______ causing foot drop
sciatic, common fibular, deep fibular, tibialis anterior
81
When is the common fibular n protected by the overlying musculature
after the deep branch has penetrated the anterior crural intermuscular septum
82
What type of joint is the proximal tibiofibular joint
synovial joint planar type, supported by fibrous capsule surrounding joint
83
what type of joint is the distal part of the tibiofibular joint
fibrous syndesmosis type anchored by an interosseous membrane

DPT Anatomy Test 2 (6 decks)

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