Muscles that move the foot Flashcards

1
Q

Origin of Soleus

A

Posterior surface of head and upper shaft of fibula
Soleal line of tibia

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2
Q

Insertion of soleus

A

Dorsum of calcaneous via the Achilles tendon

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3
Q

Action and plane of action of Soleus

A

Plantar flexion

Sagittal plane

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4
Q

Origin of gastrocnemius

A

Above condyles of femurs

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5
Q

Insertion of gastrocnemius

A

Dorsum of the calcaneus via the Achilles tendon

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6
Q

Action of Gastrocnemius

A

Flexes leg, plantar flexes foot

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7
Q

Origin of extensor digitorum longus

A

Lateral condyle of tibia
Anterior surface of fibula
Lateral portion of interosseous membrane

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8
Q

Insertion of Extensor Digitorum Longus

A

Dorsum of lateral 4 toes via extensor expansions

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9
Q

Action of Extensor Digitorum Longus

A

Extends the metatarsophalangeal, proximal & distal interphalangeal joints
2-5

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10
Q

Origin of Extensor Hallucis Longus

A

Middle 1/2 of anterior surface of fibula and interosseous membrane

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11
Q

Insertion of Extensor Hallucis Longus

A

Base of distal phalanx of big toe

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12
Q

Action of Extensor Hallucis Longus

A

Extends metatarsophalengeal, proximal & distal interphalengeal jouints of big toe

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13
Q

Origin of Fibularis Tertius

A

Distal part of anterior surface of fibula

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14
Q

Insertion of Fibularis Tertius

A

Dorsum of shaft of 5th metatarsal

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15
Q

Action of Fibularis Tertius

A

Everts foots

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16
Q

Origin of Tibialis Anterior

A

Lateral tibial condyle
Upper lateral surface of tibia

17
Q

Insertion of Tibialis Anterior

A

Medial surface of medial cuneiform
1st metatarsal

18
Q

Action of Tibialis Anterior

A

Dorsiflexes and inverts the foot

19
Q

Origin of Fibularis brevis

A

Lower 1/3 of lateral surface of fibula

20
Q

Insertion of Fibularis Brevis

A

Tuberosity of 5th metatarsal

21
Q

Action of FIbularis Brevis

A

Everts & plantarflexes foot

22
Q

Origin of Fibularis Longus

A

Upper 2/3 of lateral fibula

23
Q

Insertion of Fibularis Longus

A

Crosses plantar surface of foot deep to intrinsic foot muscles to
Insert on medial cuneiform and base of 1st metatarsal

24
Q

Action of Fibularis Longus

A

Plantarflexes and everts foot

25
Origin of Flexor digitorum Longus
Middle 1/2 of posterior surface of tibia
26
Insertion of Flexor Digitorum Longus
Dorsum of the shaft of the 5th metatarsal
27
Action of Flexor Digitorum Longus
Flexes the MTM, PIP & DIP joints of digits 2-5 Plantar flexes foot
28
Origin of Flexor Hallucis Longus
Lower 2/3 of posterior surface of fibula
29
Insertion of Flexor Hallucis Longus
Base of distal phalanx of big toe
30
Action of Flexor Hallucis Longus
Flexes the MTP, PIP & DIP joints of big toe Plantarflexes foot
31
Origin of Plantaris
Above the lateral femoral condyle (above lateral head of gastrocs)
32
Insertion of Plantaris
Dorsum of the Calcaneus medial to calcaneal tendon
33
Action of Plantaris
Flexes leg, plantarflexes foot
34
Origin of Popliteus
Lateral condyle of femur
35
Insertion of Popliteus
Posterior surface of tibia above soleal line
36
Action of Popliteus
Flexes and medially rotates leg
37
Action of popliteus if foot is planted
rotates the thigh laterally
38
Origin of Tibialis Posterior
Interosseous membrane Posteromedial surface of fibula Posterolateral surface of tibia
39
Insertion of Tibialis Posterior
Tuberosity of navicular and medial cuneiform, metatarsals 2-4