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PT 505 Anatomy Lab > Posterior Compartment & Plantar Surface of Foot > Flashcards

Posterior Compartment & Plantar Surface of Foot Flashcards

1
Q

Gastrocnemius Lateral Head Origin

A

Lateral aspect of lateral condyle of femur

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2
Q

Gastrocnemius Medial Head origin

A

Popliteal surface of femur superior to medial condyle

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3
Q

Gastrocnemius Insertion

A

Posterior surface of calcaneus via calcaneal tendon (Achilles)

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4
Q

Gastrocnemius Action

A

Plantarflexes ankle when knee is extended; raises heel during walking; flexes leg at knee joint

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5
Q

Gastrocnemius Innervation

A

Tibial nerve (S1,S2)

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6
Q

Soleus Origin

A

Posterior aspect of head and superior 1/4 of posterior surface of fibula; soleal line and middle 1/3 of medial border of tibia; tendinous arch between bony attachments

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7
Q

Soleus Insertion

A

Posterior surface of calcaneus via calcaneal tendon (Achilles)

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8
Q

Soleus Action

A

Plantarflexes ankle independent of position of knee; steadies leg on foot

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9
Q

Soleus Innervation

A

Tibial nerve (S1,S2)

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10
Q

Plantaris Origin

A

Inferior end of lateral supracondylar line of femur; oblique popliteal ligament

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11
Q

Plantaris Insertion

A

Posterior surface of calcaneus via calcaneal tendon (Achilles)

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12
Q

Plantaris Action

A

Weakly assists gastrocnemius in plantarflexing ankle

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13
Q

Tibialis Posterior Origin

A

Interosseous membrane; posterior surface of tibia inferior to soleal line; posterior surface of fibula

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14
Q

Tibialis Posterior Insertion

A

Tuberosity of navicular, cuneiform, cuboid, and sustentaculum tali of calcaneus; bases of 2nd, 3rd, and 4th metatarsals

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15
Q

Tibialis Posterior Action

A

Plantarflexes ankle; inverts foot

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16
Q

Tibialis Posterior Innervation

A

Tibial nerve (L4,L5)`

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17
Q

Flexor Digitorum Longus Origin

A

Medial part of posterior surface of tibia inferior to soleal line; by a broad tendon to fibula

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18
Q

Flexor Digitorum Longus Insertion

A

Bases of distal phalanges of lateral four digits

19
Q

Flexor Digitorum Longus Action

A

Flexes lateral four digits; plantarflexes ankle; supports longitudinal arches of foot

20
Q

Flexor Digitorum Longus Innervation

A

Tibial Nerve (S2,S3)

21
Q

Flexor Hallucis Longus Origin

A

Inferior 2/3 of posterior surface of fibula; inferior part of interosseous membrane

22
Q

Flexor Hallucis Longus Insertion

A

Base of distal phalanx of great toe

23
Q

Flexor Hallucis Longus Action

A

Flexes great toe at all joints; weakly plantarflexes ankle; supports medial longitudinal arch of foot

24
Q

Flexor Hallucis Longus Innervation

A

Tibial nerve (S2,S3)

25
Q

Abductor Hallucis Action

A

Abducts and flexes 1st digit

26
Q

Abductor Hallucis Innervation

A

Medial Plantar nerve (S2,S3)

27
Q

Abductor Digiti Minimi Action

A

Abducts and flexes the little toe

28
Q

Abductor Digiti Minimi Innervation

A

Lateral Plantar Nerve (S2,S3)

29
Q

Flexor digitorum brevis action

A

Flexes lateral four digits

30
Q

Flexor digitorum brevis innervation

A

Medial plantar nerve (S2,S3)

31
Q

Quadratus plantae Action

A

Assists flexor digitorum longus in flexing lateral four digits

32
Q

Quadratus plantae Innervation

A

Lataral plantar nerve (S2,S3)

33
Q

Lumbricals Action

A

Flex proximal phalanges; extend middle and distal phalanges of lateral four digits

34
Q

Lumbrical Innervation

A

Medial 1: Medial Plantar nerve (S2,S3)

Lateral 3: Lateral Plantar nerve (S2,S3)

35
Q

Flexor Hallucis Brevis Action

A

Flexes proximal phalanx of 1st digit

36
Q

Flexor Hallucis Brevis Innervation

A

Medial Plantar Nerve (S2,S3)

37
Q

Flexor Digit Minimi Action

A

Flexes proximal phalanx of 5th digit

38
Q

Flexor Digit Minimi Innervation

A

Superficial branch of lateral plantar nerve (S2,S3)

39
Q

Adductor Hallucis Action

A

Adducts 1st digit; assists in transverse arch or foot by moving metatarsals medially

40
Q

Adductor Hallucis Innervation

A

Deep branch of lateral plantar nerve (S2,S3)

41
Q

Plantar Interossei Action

A

Adduct digits 3-5 and flex MTP joints

42
Q

Plantar Interossei Innervation

A

Lataral plantar nerve (S2,S3)

43
Q

Dorsal Interossei Action

A

Abducts digits 2-4 and flex MTP joints

PT 505 Anatomy Lab (9 decks)

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