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MSK: Exam3 > Popliteal Fossa and Foot+ muscles > Flashcards

Popliteal Fossa and Foot+ muscles Flashcards

1
Q

Borders of the popliteal fossa

A

Superior-Lateral: tendon of biceps femoris
Superior-Medial: semimebranosus (some semiT)
Inferiorlateral: lateral head of gastroc
Inferiormedial: medial head of gastroc
roof: popliteal fascia of fascia lata
floor: posterior surface of the capsule and popliteus muscle

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2
Q

Contents of popliteal fossa

A

1) posterior femoral cutaneous n.
2) sciatic n.
3) tibial n. (muscular and cutaneous)
4) fibular n. ( cutaneous only)
5) popliteal v.
6) popliteal a.
7) popliteal lymph nodes

Nerves are superficial, Artery is deep

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3
Q

Superficial transverse metatarsal ligament

A

made up of transversely oriented fibers of the deep layer of the plantar fascia

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4
Q

Medial compartment

A

flexor hallucis brevis
abductor hallucis brevis
flexor hallucis longus
medial plantar vessels and nerves

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5
Q

Lateral Compartment

A

abductor digiti minimi

flexor digiti minimi

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6
Q

central compartment

A 
deep to plantar aponeurosis 
FDB
Lumbricals
quadratus plantae 
adductor hallucis 
FDL 
lateral plantar vessels
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7
Q

Interosseous compartment

A

b/w planter and dorsal interosseous fascia and contains IO muscles

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8
Q

Abductor hallucis

A 
O: Calcaneus
I: proximal phalanx of great toe 
A: abducts great toe
N: Medial plantar n. 
1
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9
Q

Abductor digiti minimi

A 
O: calcaneus 
I: proximal phalanx of 5th digit 
A: Abducts the 5th digit 
N: lateral plantar n. 
1
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10
Q

Flexor digitorum brevis

A 
O: Calcaneus 
I: middle phalanges of toes 1-4
A: flexes middle and proximal phalanges fo 1-4
N: medial plantar n. 
1
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11
Q

Quadratus Plantae

A 
O: Calcaneus 
I: Tendon of FDL 
A: pulls of FDL so flexion of digits is directed posterior
N: lateral plantar 
2
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12
Q

Lumbricals

A 
O: tendons of FDL
I: medial MP joints via tendons 
A: Flexes MP, extends DIP
N: 1st: medial plantar 2nd-4th: lateral plantar n. 
2
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13
Q

Flexor hallucis brevis

A

O: Cuboid and cuneiform
I: lateral and medial proximal phalanx of great toe
A: flexes great toe
N: medial plantar n.
3
has two heads that split to allow the FHL to pass thru

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14
Q

Flexor digiti minimi

A 
O: 5th MT
I: prox phalanx of 5th digit 
A: flexes and abducts the small toe 
N: lateral plantar n. 
3
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15
Q

Adductor hallucis

A

O: Oblique head: 2,3,4 MTs
Transverse head: lateral plantar ligaments of MP joints
I: lateral proximal phalanx of great toe
A: adducts and flexes great toe
N: Lateral plantar n.
3

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16
Q

Plantar interossei

A

O: Medial surface of 3,4,5 MT
I: Medial bases of 3-4-5 and extensor expansions
A: adducts 3,4,5, flexes MP and extends PIPs and DIPs
N: Lateral plantar
4

17
Q

Dorsal Interossei

A

O: adjacent sides of MTs
I: 1st= medial base of proximal phalanx of 2nd toe, Lateral side of the rest+extensor expansions
A; abducts 2,3,4 , flexes MP and extend PIP and DIPs
N:Lateral plantar

MSK: Exam3 (10 decks)

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