Knee/Foot/Ankle Flashcards

1
Q

Rectus Femoris

A

O: Anterior Inferior Iliac Spine of the Ilium
I: Quadriceps Femoris Tendon
N: Femoral N (L2, L3, L4)
F: Knee ext, hip flex

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2
Q

Vastus intermedius

A
O: anterior and lateral surface of the femur 
I: 
- quadriceps femoris tendon
- lateral margin of the patella
N: Femoral N (L2, L3, L4)
F: knee ext
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3
Q

Vastus lateralus

A
O: 
Femur: 
- intertrochanteric line
- greater trochanter 
- gluteal tuberosity
- linea aspera 
I: 
- quadriceps femoris tendon
- lateral margin of patella
N: Femoral N (L2, L3, L4)
F: knee ext
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4
Q

Vastus medialis

A
O: 
Femur:
- intertrochanteric line
- pectineal line
- medial lip of linea aspera
- medial supracondylar line
I: 
- quadriceps femoris tendon
- medial border of patella
N: Femoral N (L2, L3, L4)
F: knee extension
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5
Q

Popliteus

A
O: lateral femoral condyle
I: posterior proximal tibia
N: tibial N (L4-S1)
F: 
- stabilizes knee joint
- unlocks knee joint (ER femur on fixed tibia)
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6
Q

Articularis genu

A

O: just inferior to vastus intermedius on femur
I: suprapatellar bursa associated with knee joint
N: femoral (L3, L4)
F: pulls bursa/ capsule away from knee joint during knee extension

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7
Q

semi-membranosus

A
O: ischial tuberosity
I: medial tibial condyle
N: sciatic (L5-S2)
F: 
- hip ext
- knee flex
- hip/leg IR
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8
Q

semi-tendonosus

A
O: ischial tuberosity
I: medial pes anserine of tibia
N: sciatic (L5-S2)
F: 
- knee flex
- hip ext 
- hip/leg IR
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9
Q

biceps femoris

A
O: 
- long head: ischial tuberosity
- short head: linea aspera of femur
I: head of fibula
N: sciatic (L5-S2)
F: 
- knee flex
- hip ext
- hip/leg ER
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10
Q

extensor digitorum brevis

A

O: superolateral surface of calcaneus
I: lateral sides of EDL tendons (toes 2-4)
N: deep fibular (S1, S2)
F: ext (toes 2-4)

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11
Q

Extensor hallucis brevis

A

O: superolateral surface of calcaneus
I: base of proximal phalanx of great toe
N: deep fibular (S1, S2)
F: ext of great toe @ MTP joint

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12
Q

Abductor hallucis

A

O: medial process of calcaneal tuberosity
I: medial side of base of proximal phalanx of great toe
N: medial plantar (S1, S2, S3)
F: ABD/flex great toe @ MTP joint

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13
Q

FDB

A
O: 
- medial process of calcaneal tuberosity
- plantar aponeurosis
I: sides of middle phalanges of toes 2-5
N: medial plantar (S1, S2, S3)
F: flexes lateral 4 toes @ PIP joint
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14
Q

ABD DM

A

O:
- calcaneal tuberosity
- band of connective tissue connecting calcaneus with base of MT 5
I: lateral side of base of proximal phalanx of little toe
N: lateral plantar (S1, S2, S3)
F: ABD little toe @ MTP joint

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15
Q

quadratus plantae

A

O: medial and plantar borders of calcaneal tuberosity
I: FDL tendon
N: lateral plantar (S1, S2, S3)
F: assists FDL tendon in flexion of toes 2-5

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16
Q

lumbricals

A

O:
- 1st: medial side of FDL tendon
- 2nd-4th: adjacent surfaces of adjacent tendons of FDL
I: medial free margins of extensor hoods of toes 2-5
N:
- 1st: medial plantar
- 2nd-4th: lateral plantar (S2, S3)
F: flexion of MTP joints and extension of IP joints of toes 2-5

17
Q

FHB

A
O: 
- cuboid
- cuneiform
- tendon of tibialis posterior
I: base of proximal phalanx of great toe
N: medial plantar (S1, S2)
F: flexes great toe at MTP joint
18
Q

ADD Hallucis

A

O:
- transverse head: MTP joints of lateral 3 toes
- oblique head: bases of MT 2-4
I: lateral side of base of proximal phalanx of great toe
N: lateral plantar (S2, S3)
F: ADD great toe @ MTP joint

19
Q

FDMB

A
O: 
- base of 5th MT
- Fibularis longus tendon
I: lateral side of base of proximal phalanx of little toe
N: lateral plantar (S2, S3)
F: flexes little toe @ MTP joint
20
Q

plantar interossei

A
O: 
- base of 5th MT
- sheath of FL
I: extensor hoods and bases of proximal phalanges of toes 3-5
N: lateral plantar (S2, S3)
F: 
- ADD of toes 3-5
- resists ext of MTP joints 
- flexion of IP joints
21
Q

dorsal interossei

A

O: sides of adjacent MT’s
I: extensor hoods and bases of proximal phalanges of toes 2-5
N: lateral plantar (S2, S3); 1st and 2nd DI also innervated by deep fibular N
F: ABD of toes 2-4
- resists MTP ext
- IP flex

22
Q

Fibularis Longus (FL)

A
O: head of fibula
I: 
- plantar surface of medial cuneiform
- base of MT 1
N: superficial fibular (L5, S1, S2)
F: 
- EV
- plantar flex
- supports arch
23
Q

Fibularis brevis (FB)

A

O: distal lateral surface of shaft of fibula
I: base of MT 5
N: superficial fibular (L5, S1, S2)
F: EV

24
Q

tibialis anterior

A
O: 
- tibia
- interosseous membrane 
I: 
- medial cuneiform
- base of MT 1
N: deep fibular (L4, L5)
F: 
- dorsiflexion
- IV
- dynamic support of medial arch
25
Q

EHL

A
O: 
- fibula
- interosseous membrane
I: base of distal phalanx of great toe
N: deep fibular (L5, S1)
F: 
- great toe ext
- dorsiflexion
26
Q

EDL

A
O: 
- fibula
- interosseous membrane
I: dorsal digital expansions into bases of distal and middle phalanges of lateral 4 toes
N: deep fibular (L5, S1)
F: 
- ext of lateral 4 toes
- dorsiflesion
27
Q

fibularis tertius

A
O: distal fibula
I: base of MT 5
N: deep fibular (L5, S1)
F: 
- EV
- dorsiflexion
28
Q

Gastrocnemius

A
O: 
- medial head: superior to medial femoral condyle
- lateral head: lateral femoral condyle 
I: via calcaneal tendon to posterior surface of calcaneus 
N: tibial (S1, S2)
F:
- plantarflexion
- knee flexion
29
Q

soleus

A

O: soleal line and medial border of tibia; fibular head
I: via calcaneal tendon to posterior surface of calcaneus
N: tibial (S1, S2)
F:
- plantarflexion

30
Q

Plantaris

A
O: 
- lateral supracondylar line of femur
- oblique popliteal ligament of knee
I: via calcaneal tendon to posterior surface of calcaneus
N: tibial (S1, S2)
F: 
- plantarflexion
- knee flexion
31
Q

tibialis posterior (Tom)

A
O: 
- tibia
- interosseus mem
- fibula
I: 
- navicular tuberosity
- medial cuneiform
N: tibial (L4, L5)
F: 
- IV
- plantarflexion
- medial arch support during walking
32
Q

FDL (Dick ANd - posterior tibial A/ tibial N)

A

O: tibia
I: bases of distal phalanges of lateral 4 toes
N: tibial (S2, S3)
F: flexes lateral 4 toes

33
Q

FHL (Harry)

A
O: 
- fibula
- interosseus mem
I: distal phalanx of great toe
N: tibial (S2, S3)
F: flexes great toe