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Clinical Anatomy I > Leg > Flashcards

Leg Flashcards

1
Q

Explain organization of crural fascia

A

Anterior crural intermuscular septum
Posterior crural intermuscular septum
Transverse intermuscular septum

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2
Q

Superior extensor retinaculum attachments

A

extends from distal tibia to distal fibula

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3
Q

Inferior extensor retinaculum attachments

A

extends from the calcaneus to the navicular and medial malleolus

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4
Q

Superior fibular retinaculum attachments

A

extends from the lateral malleolus to the calcaneus

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5
Q

Inferior fibular retinaculum attachments

A

extends from the inferior extensor retinaculum to the calcaneus

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6
Q

Flexor retinaculum attachments

A

extends from the medial malleolus to the calcaneus, forming tarsal tunnel

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7
Q

Anterior compartment of the leg contents

A

Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus
Fibularis tertius

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8
Q

Anterior compartment of the leg actions

A

Ankle dorsiflexion
Inversion
Toe extension
Ankle eversion if peroneus tertius could be isolated

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9
Q

Anterior compartment of the leg innervation

A

deep fibular nerve

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10
Q

Anterior compartment of the leg blood supply

A

anterior tibial artery

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11
Q

Lateral compartment of the leg contents

A

Fibularis longus
Fibularis brevis

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12
Q

Lateral compartment of the leg actions

A

Eversion
Plantar flexion

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13
Q

Lateral compartment of the leg innervation

A

Superficial fibular nerve

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14
Q

Lateral compartment of the leg blood supply

A

Fibular artery

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15
Q

Superficial posterior compartment of the leg components

A

Gastrocnemius
Soleus
Plantaris

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16
Q

Superficial posterior compartment of the leg actions

A

Ankle plantar flexion
Knee flexion

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17
Q

Superficial posterior compartment of the leg innervation

A

Tibial nerve

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18
Q

Superficial posterior compartment of the leg blood supply

A

Posterior tibial artery

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19
Q

Deep posterior compartment of the leg components

A

Popliteus
Flexor digitorum longus
Flexor hallucis longus
Tibialis posterior

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20
Q

Deep posterior compartment of the leg actions

A

Ankle plantar flexion
Inversion
Toe flexion
Knee flexion

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21
Q

Deep posterior compartment of the leg innervations

A

Tibial nerve

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22
Q

Deep posterior compartment of the leg blood supply

A

Posterior tibial artery

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23
Q

Extensor digitorum longus attachments

A

from… the lateral tibial condyle, proximal 3/4th of the fibula and crural interosseous membrane
to… the dorsal digital expansions of toes 2-5

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24
Q

Extensor digitorum longus actions

A

Dorsiflexes ankle
Extends digits 2-5 (IP & MP)

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25
Extensor digitorum longus innervation
Deep fibular nerve (L4-5-S1)
26
Extensor hallucis longus attachments
from... the middle 1/2 of the fibular surface & crural interosseous membrane to... the distal phalangeal base of the 1st toe
27
Extensor hallucis longus actions
Dorsiflexes ankle Extends great toe (MP & IP)
28
Extensor hallucis longus innervation
deep fibular nerve (L4-5-S1)
29
Fibularis tertius attachments
from... the distal fibula and crural interosseous membrane to... the base of the 5th metatarsal
30
Fibularis tertius actions
Dorsiflexes ankle Everts foot
31
Fibularis tertius innervation
deep fibular nerve (L4-5-S1)
32
Tibialis anterior attachments
from... the lateral condyle and proximal 2/3rds of the tibia's lateral surface & crural interosseous membrane to... the medial cuneiform & adjacent 1st metatarsal
33
Tibialis anterior actions
Dorsiflexes ankle Inverts foot
34
Tibialis anterior innervation
deep fibular nerve (L4-5-S1)
35
Fibularis longus attachments
from... the head & proximal 2/3rds of the fibula to... the lateral aspects of the 1st metatarsal & adjacent medial cuneiform
36
Fibularis longus actions
Everts foot Plantar flexes ankle Depresses 1st metatarsal head
37
Fibularis longus innervation
superficial fibular nerve (L4-5-S1)
38
Fibularis brevis attachments
from... the distal 2/3rds of the fibula to... the lateral base of the 5th metatarsal
39
Fibularis brevis actions
Everts foot Plantar flexes ankle
40
Fibularis brevis innervation
Superficial fibular nerve (L4-5-S1)
41
Flexor digitorum longus attachments
from... the posterior tibia distal to the soleal line to... the plantar surface of the distal phalangeal bases
42
Flexor digitorum longus actions
Plantar flexes ankle Flexes digits 2-5 (MP & IP)
43
Flexor digitorum longus innervation
tibial nerve (L5-S1-2)
44
Flexor hallucis longus attachments
from... the distal 2/3rds of the posterior fibular surface & crural interosseous membrane to... the plantar aspect of the distal phalangeal base of the 1st toe
45
Flexor hallucis longus actions
Plantar flexes ankle Flexes great toe (MP & IP)
46
Flexor hallucis longus innervation
tibial nerve (L5-S1-2)
47
Gastrocnemius attachments
from... the posterior aspect of the femoral condyles and joint capsule to... the posterior calcaneal surface
48
Gastrocnemius actions
Flexes knee Plantar flexes ankle
49
Gastrocnemius innervation
tibial nerve (S1-2)
50
Plantaris attachments
from... the lateral supracondylar line to... the posterior calcaneal surface
51
Plantaris actions
Flexes knee Plantar flexes ankle
52
Plantaris innervation
tibial nerve (L4-5-S1)
53
Popliteus attachments
from... the lateral femoral condyle and oblique popliteal ligament to... the soleal line of the tibia
54
Popliteus actions
Non-weight bearing: Medial rotation of tibia and knee flexion Weight bearing: lateral rotation of femur and knee flexion (it unlocks the knee from extension into early flexion)
55
Popliteus innervation
tibial nerve (L4-5-S1)
56
Soleus attachments
from... the posterior aspect of the head & proximal 1/4th of the fibula & tibial soleal line to... the posterior calcaneal surface
57
Soleus actions
Plantar flexes the foot at the ankle joint
58
Soleus innervation
tibial nerve (L5-S1-2)
59
Tibialis posterior attachments
from... the crural interosseous membrane, lateral tibial surface & medial fibular surface to... the navicular, medial & intermediate cuneiforms and bases of metatarsals 2-4
60
Tibialis posterior actions
Inverts foot Plantar flexes ankle
61
Tibialis posterior innervation
tibial nerve (L4-5-S1)
62
Sciatic nerve - Tibial division - muscular branches axon function
sensory postganglionic sympathetic & motor innervation of the semimembranosus, semitendinosus, biceps femoris (long head) & adductor magnus m.
63
Sural n axon functions
Sensory Postganglionic sympathetic - innervation of the skin overlying the lateral aspect of the leg & foot
64
Sciatic nerve - Tibial nerve - Muscular branches axon functions
Sensory Postganglionic sympathetic Motor - innervation of gastrocnemius, soleus, plantaris, popliteus, tibialis posterior, flexor digitorum longus, & flexor hallucis longus muscles
65
Medial plantar nerve axon functions
Sensory Postganglionic sympathetic Motor - innervation of the medial muscles of the plantar surface of the foot
66
Lateral plantar nerve axon functions
Sensory Postganglionic sympathetic Motor - innervation of the lateral muscles of the plantar surface of the foot
67
Sciatic nerve - Fibular division - Muscular branch to short head of biceps femoris axon function
sensory postganglionic sympathetic & motor innervation of the short head of the biceps femoris
68
Lateral sural nerve axon functions
Sensory Postganglionic sympathetic - innervation of the skin overlying the lateral aspect of the leg
69
Deep fibular nerve axon functions
Sensory Postganglionic sympathetic Motor - innervation of the tibialis anterior, extensor hallucis longus, extensor digitorum longus, & fibularis tertius muscles
70
Superficial fibular nerve axon functions
Sensory Postganglionic sympathetic Motor - innervation of the fibularis longus & brevis muscles
71
dermatomes
72
Fibrous capsule of the knee attachments
from the margins of the femoral condyles to the margins of the tibial condyles
73
Tibial (Medial) collateral ligament attachments
from the medial epicondyle of the femur to the medial condyle & shaft of the tibia
74
Tibial (Medial) collateral ligament functions
stabilizes the medial aspect of the joint (prevents abduction of the tibia)
75
Fibular (Lateral) collateral ligament attachments
from the lateral epicondyle of the femur to the head of the fibula
76
Fibular (Lateral) collateral ligament functions
stabilizes the lateral aspect of the joint (prevents adduction of the tibia)
77
Anterior cruciate ligament attachments
From the medial part of the anterior intercondylar area of the tibia to the posterior part of the medial surface of the lateral condyle of the femur
78
Anterior cruciate ligament functions
prevents posterior displacement of the femur on the tibia, anterior tibia displacement, and hyperextension of the knnee
79
Posterior cruciate ligament attachments
from the posterior intercondylar area of the tibia to the lateral surface of the medial condyle of the femur
80
Posterior cruciate ligament functions
prevents the anterior displacement of the femur and posterior displacement of the tibia
81
Medial meniscus attachments
anterior & posterior regions of the intercondylar area of the tibia & fibrous capsule at the tibial (medial) collateral ligament
82
Lateral meniscus attachments
anterior & posterior regions of the intercondylar area of the tibia
83
Patellar ligament attachments
from the apex of the patella to the tibial tuberosity
84
Patellar ligament functions
resists knee flexion
85
Crural interosseous membrane attachments
from the interosseous border of the tibia to the interosseous border of the fibula
86
joint capsules
87
Distal tibiofibular synovial joint classification
syndesmosis
88
Talocrural synovial joint classification
hinge (ginglymus)
89
Subtalar synovial joint classification
plane
90
Tarsometatarsal synovial joint classification
plane
91
Metatarsophalangeal synovial joint classification
ellipsoid
92
Interphalangeal synovial joint classification
hinge (ginglymus)

Clinical Anatomy I (44 decks)

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