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ACTM Myology > Leg & Foot > Flashcards

Leg & Foot Flashcards

Muscle Attachments

1
Q

Tibialis Anterior

A

O - Lateral condyle of tibia, upper-half of tibial shaft, and interosseous membrane
I - Medial and inferior surfaces of medial cuneiform and base of first metatarsal bone

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2
Q

Extensor Digitorum Longus

A

O - Lateral condyle of tibia, superior 3/4 surface of fibula, and interosseus membrane
I - Middle and distal phalanges of toes 2-5

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3
Q

Fibularis (Peroneus) Tertius

A

O - Inferior-third of anterior surface of fibula, and interosseus membrane
I - Dorsum of base of fifth metatarsal

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4
Q

Extensor Hallucis Longus

A

O - Anteromedial fibula shaft, and interosseus membrane

I - Dorsal aspect of base of distal phalanx of great toe

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5
Q

Fibularis (Peroneus) Longus

A

O - Head and superior two-thirds of lateral surface of fibula
I - Base of first metatarsal, and medial cuneiform

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6
Q

Fibularis (Peroneus) Brevis

A

O - Inferior two-thirds of lateral surface of fibula

I - Dorsal surface of tuberosity on lateral side of base of 5th metatarsal

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7
Q

Gastrocnemius

A

O - (Lateral Head) Lateral aspect of lateral condyle of femur; (Medial Head) Popliteal surface of femur, and superior to medial condyle
I - Posterior surface of calcaneus via calcaneal tendon

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8
Q

Soleus

A

O - Soleal line and middle-third of medial border of tibia, posterior aspect of head and superior-quarter of posterior surface of fibula, and tendinous arch coming from between bony attachments
I - Posterior surface of calcaneus via calcaneal tendon

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9
Q

Plantaris

A

O - Inferior end of lateral supracondylar line of femur, and oblique popliteal ligament
I - Posterior surface of calcaneus via calcaneal tendon

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10
Q

Popliteus

A

O - Lateral surface of lateral condyle of femur, and lateral meniscus
I - Posterior surface of tibia (proximal, or superior to soleal line)

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11
Q

Flexor Digitorum Longus

A

O - Medial part of posterior surface of tibia inferior to soleal line, and fibula in proximity to that region
I - Base of distal phalanges of toes 2-5

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12
Q

Flexor Hallucis Longus

A

O - Inferior two-thirds of posterior surface of fibula, and inferior portion of interosseus membrane
I - Base of distal phalanx of great toe (hallux)

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13
Q

Tibialis Posterior

A

O - Posterior surface (inferior to soleal line) of tibia, posterior surface of fibula, and interosseus membrane
I - Tuberosities of navicular, cuneiforms, cuboid, and sustentaculum tali of calcaneus, and bases of 2nd-4th metatarsal

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14
Q

Extensor Digitorum Brevis

A

O - Calcaneus (floor of tarsal sinus), interosseus talocalcaneal ligament, stem of inferior extensor retinaculum
I - Long extensor tendons of toes 2-4

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15
Q

Flexor Digitorum Brevis

A

O - Medial tubercle of tuberosity of calcaneus, plantar aponeurosis, and intermuscular septa
I - Both sides of middle phalanges of toes 2-5

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16
Q

Abductor Hallucis

A

O - Medial tubercle of tuberosity of calcaneus, flexor retinaculum, and plantar aponeurosis
I - Medial side of base of proximal phalanx of great toe

17
Q

Abductor Digiti Minimi

A

O - Medial and lateral tubercles of tuberosity of calcaneus, plantar aponeurosis, and intermuscular septa
I - Lateral side of base of proximal phalanx of 5th digit

18
Q

Quadratus Plantae (Flexor Accessorius)

A

O - Medial and lateral sides of plantar surface of calcaneus

I - Posterolateral margin of flexor digitorum longus tendon

19
Q

Lumbricals

A

O - From each tendon of flexor digitorum longus

I - Medial side of extensor expansion on proximal phalanx of toes 2-5

20
Q

Flexor Hallucis Brevis

A

O - Plantar surfaces of cuboid and lateral cuneiforms

I - Both sides of base of proximal phalanx of great toe

21
Q

Adductor Hallucis

A

O - Bases of metatarsals 2-4, from fibularis longus tendon sheath (oblique head), and from plantar ligaments across metatarsophalangeal joints (transverse head)
I - Lateral side on base of proximal phalanx of great toe

22
Q

Flexor Digiti Minimi Brevis

A

O - Base of fifth metatarsal

I - Base of proximal phalanx of fifth digit

23
Q

Plantar Interossei

A

O - Bases and medial sides of metatarsals 3-5

I - Medial sides of bases of phalanges of 3rd-5th digits

24
Q

Dorsal Interossei

A

O - Adjacent sides of metatarsals 1-5

I - (First Muscle) Medial side of proximal phalanx of 2nd digit; (2nd-4th Muscles) Lateral sides of 2nd-4th digits

25
Q

Extensor Hallucis Brevis

A

O - Calcaneus (floor of tarsal sinus), interosseus talocalcaneal ligament, stem of inferior extensor retinaculum
I - Dorsal aspect of base of proximal phalanx of great toe

26
Q

What are the compartments on the (lower) leg, and effector category?

A 
Anterior compartment (dorsiflexor)
Lateral compartment (evertor)
Posterior (superficial and deep/medial) compartment (plantarflexor)

ACTM Myology (14 decks)

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