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Muscle Anatomy > LOWER LIMB: Leg muscles > Flashcards

LOWER LIMB: Leg muscles Flashcards

(53 cards)

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1
Q

ANTERIOR LEG MUSCLES

Tibialis anterior - origin

A

Lateral tibial condyle, proximal half of lateral surface of tibia, Interosseous membrane

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2
Q

ANTERIOR LEG MUSCLES

Tibialis anterior - insertion

A

Medial cuneiform bone, Base of metatarsal bone 1

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3
Q

ANTERIOR LEG MUSCLES

Tibialis anterior - innervation

A

Deep fibular nerve (L4, L5)

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4
Q

ANTERIOR LEG MUSCLES

Tibialis anterior - function

A

Talocrural Joint: Foot dorsiflexion; Subtalar joint: Foot inversion; Supports medial longitudinal arch of foot

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5
Q

ANTERIOR LEG MUSCLES

Extensor hallucis longus - origin

A

(Middle third of ) Medial surface of fibula, Interosseous membrane

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6
Q

ANTERIOR LEG MUSCLES

Extensor hallucis longus - insertion

A

Base of distal phalanx of great toe

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7
Q

ANTERIOR LEG MUSCLES

Extensor hallucis longus - innervation

A

Deep fibular nerve (L5, S1)

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8
Q

ANTERIOR LEG MUSCLES

Extensor hallucis longus - function

A

MTP and IP joint 1: Toe extension; Talocrural joint: Foot dorsiflexion

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9
Q

ANTERIOR LEG MUSCLES

Extensor digitorum longus - origin

A

(Proximal half of) Medial surface of fibula, Lateral tibial condyle, Interosseus membrane

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10
Q

ANTERIOR LEG MUSCLES

Extensor digitorum longus - insertion

A

Distal and middle phalanges of digits 2-5

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11
Q

ANTERIOR LEG MUSCLES

Extensor digitorum longus - innervation

A

Deep fibular nerve (L5, S1)

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12
Q

ANTERIOR LEG MUSCLES

Extensor digitorum longus - function

A

MTP and IP joints 2-5: Toe extension; Talocrural joint: Foot dorsiflexion; Subtalar joint: Foot eversion

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13
Q

ANTERIOR LEG MUSCLES

Fibularis tertius - origin

A

(Distal third of) Medial surface of fibula, Anterior intermuscular septum

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14
Q

ANTERIOR LEG MUSCLES

Fibularis tertius - insertion

A

Dorsal surface of base of
metatarsal bone 5

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15
Q

ANTERIOR LEG MUSCLES

Fibularis tertius - innervation

A

Deep fibular nerve (L5, S1)

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16
Q

ANTERIOR LEG MUSCLES

Fibularis tertius - function

A

Talocrural joint: Foot dorsiflexion; Subtalar joint: Foot eversion

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17
Q

LATERAL LEG MUSCLES

Fibularis longus - origin

A

Head of fibula, Proximal 2/3 of lateral surface of fibula, Anterior and posterior intermuscular septa

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18
Q

LATERAL LEG MUSCLES

Fibularis longus - insertion

A

Medial cuneiform bone, Metatarsal bone 1

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19
Q

LATERAL LEG MUSCLES

Fibularis longus - innervation

A

Superficial fibular nerve (L5, S1)

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20
Q

LATERAL LEG MUSCLES

Fibularis longus - function

A

Talocrural joint: Foot plantar flexion; Subtalar joint: Foot eversion; Supports longitudinal and transverse arches of foot

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21
Q

LATERAL LEG MUSCLES

Fibularis brevis - origin

A

Distal 2/3 of lateral surface of fibula, Anterior intermuscular septum

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22
Q

LATERAL LEG MUSCLES

Fibularis brevis - insertion

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A

Tuberosity of metatarsal bone 5

23
Q

LATERAL LEG MUSCLES

Fibularis brevis - innervation

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A

Superficial fibular nerve (L5, S1)

24
Q

LATERAL LEG MUSCLES

Fibularis brevis - function

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A

Talocrural joint: Foot plantar flexion; Subtalar joint: Foot eversion

25
POSTERIOR LEG MUSCLES Gastrocnemius [Lateral head] - origin
Posterolateral surface of lateral femoral condyle
26
POSTERIOR LEG MUSCLES Gastrocnemius [Medial head] - origin
Posterior surface of medial femoral condyle, Popliteal surface of femoral shaft
27
POSTERIOR LEG MUSCLES Gastrocnemius - insertion
Posterior surface of calcaneus (via calcaneal tendon)
28
POSTERIOR LEG MUSCLES Gastrocnemius - innervation
Tibial nerve (S1, S2)
29
POSTERIOR LEG MUSCLES Gastrocnemius - function
Talocrural joint: Foot plantar flexion; Knee joint: Leg flexion
30
POSTERIOR LEG MUSCLES Soleus - origin
Soleal line, Medial border of tibia, Head of fibula, Posterior border of fibula
31
POSTERIOR LEG MUSCLES Soleus - insertion
Posterior surface of calcaneus (via calcaneal tendon)
32
POSTERIOR LEG MUSCLES Soleus - innervation
Tibial nerve (S1, S2)
33
POSTERIOR LEG MUSCLES Soleus - function
Talocrural joint: Foot plantar flexion
34
POSTERIOR LEG MUSCLES Plantaris - origin
Lateral supracondylar line of femur, Oblique popliteal ligament of knee
35
POSTERIOR LEG MUSCLES Plantaris - insertion
Posterior surface of calcaneus (via calcaneal tendon)
36
POSTERIOR LEG MUSCLES Plantaris - innervation
Tibial nerve (S1, S2)
37
POSTERIOR LEG MUSCLES Plantaris - function
Talocrural joint: Foot plantar flexion; Knee joint: Knee flexion
38
POSTERIOR LEG MUSCLES Popliteus - origin
Lateral condyle of femur, Posterior horn of lateral meniscus of knee joint
39
POSTERIOR LEG MUSCLES Popliteus - insertion
Posterior surface of proximal tibia
40
POSTERIOR LEG MUSCLES Popliteus - innervation
Tibial nerve (L4-S1)
41
POSTERIOR LEG MUSCLES Popliteus - function
Unlocks knee joint; Knee joint stabilisation
42
POSTERIOR LEG MUSCLES Tibialis posterior - origin
Posterior surface of tibia, Posterior surface of fibula, Interosseous membrane
43
POSTERIOR LEG MUSCLES Tibialis posterior - insertion
Tuberosity of navicular bone, All cuneiform bones, bases of metatarsal bones 2-4 (Cuboid bone)
44
POSTERIOR LEG MUSCLES Tibialis posterior - innervation
Tibial nerve (L4, L5)
45
POSTERIOR LEG MUSCLES Tibialis posterior - function
Talocrural joint: Foot plantar flexion; Subtalar joint: Foot inversion; Supports medial longitudinal arch of foot
46
POSTERIOR LEG MUSCLES Flexor digitorum longus - origin
Posterior surface of tibia, (inferior to soleal line)
47
POSTERIOR LEG MUSCLES Flexor digitorum longus - insertion
Bases of distal phalanges of digits 2-5
48
POSTERIOR LEG MUSCLES Flexor digitorum longus - innervation
Tibial nerve (L5-S2)
49
POSTERIOR LEG MUSCLES Flexor digitorum longus - function
MTP and IP joints 2-5: Toe flexion; Talocrural joint: Foot plantar flexion; Subtalar joint: Foot inversion
50
POSTERIOR LEG MUSCLES Flexor hallucis longus - origin
(Distal 2/3 of) Posterior surface of fibula, Interosseous membrane, Posterior intermuscular septum, Fascia of tibialis posterior muscle
51
POSTERIOR LEG MUSCLES Flexor hallucis longus - insertion
Base of distal phalanx of great toe
52
POSTERIOR LEG MUSCLES Flexor hallucis longus - innervation
Tibial nerve (S2, S3)
53
POSTERIOR LEG MUSCLES Flexor hallucis longus - function
MTP and IP joint 1: Toe flexion; Talocrural joint: Foot plantar flexion; Subtalar joint: Foot inversion

Muscle Anatomy (19 decks)

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