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MEDI2100 - MS > LL > Flashcards

LL Flashcards

1
Q

The patella’s base is more _________ than its apex

A

superior

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2
Q

The knee joint is made up of which joints?

A

Tibiofemoral and femoropatellar joints

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3
Q

What bony features join to form the knee joint?

A

The lateral femoral and tibial condyles and the medial femoral and tibial condyles

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4
Q

What type of joints are the tibiofemoral joints?

A

Synovial modified hinge

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5
Q

What movement/(s) can be done at the tibiofemoral joint?

A

Flexion + extension + axial rotation when leg is flexed

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6
Q

What type of joint is the femoropatellar joint?

A

Synovial plane

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7
Q

What movement/(s) can be done at the femoropatellar joint?

A

Sliding up and down

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8
Q

What features/structures provide stability for the knee joint?

A

In order of importance:
Muscles
Muscle tendons, ligaments

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9
Q

What ligaments can be found in the femoral intercondylar fossa?

A

Anterior and posterior cruciate ligaments

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10
Q

What features does the femoral intercondylar fossa lie between?

A

Medial and lateral condyles

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11
Q

What structure lies between the tibial condyles, similar to the position of the intercondylar fossa in the femur?

A

The intercondylar eminence

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12
Q

What attaches to the anterior intercondylar area?

A

The anterior cruciate ligament

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13
Q

What attaches to the posterior intercondylar area?

A

The posterior cruciate ligament

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14
Q

Where is the tibial tuberosity located?

A

On the anterior tibia, closer to the proximal end

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15
Q

What attaches at the tibial tuberosity?

A

Quadriceps femoris

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16
Q

Where is the fibular notch located?

A

Lateral proximal tibia

17
Q

Where is the Gerdy tubercle located?

A

Proximal anterolateral tibia

18
Q

What attaches at the Gerdy tubercle?

A

Iliotibial tract

19
Q

What is the right order (proximal to distal)?

a. ) Patella, patellar tendon, quadriceps tendon, tibial tuberosity
b. ) Quadriceps tendon, patellar tendon, patella, tibial tuberosity
c. ) Quadriceps tendon, patella, patellar tendon, tibial tuberosity

A

c. ) Quadriceps tendon, patella, patellar tendon, tibial tuberosity
https: //orthoinfo.aaos.org/globalassets/figures/a00411f01.jpg

20
Q

What features are located on the posterior patella?

A

Medial and lateral patellar facets, patellar articular surface

21
Q

For tibialis anterior list the

  1. Function
  2. Innervation
  3. Blood supply
  4. Origin/Insertion
A

Function: dorsiflexion and inversion
Innervation: deep fibular nerve
Blood supply: anterior tibial artery
Origin/Insertion: lateral condyle of tibia / base of the first metatarsal

22
Q 
List the following for the leg muscle that attaches at the dorsal distal phalanx of the big toe.
Function
Innervation
Blood supply
Origin
A

Extensor hallucis longus

Function: extension of the big toe + dorsiflexion of foot
Innervation: deep fibular nerve
Blood supply: anterior tibial artery + perforating branch of fibular artery
Origin: middle 1/3 of fibula

23
Q

List the following for the muscle that attaches on the dorsal surface of the foot, on the bases of the distal and middle 2nd-5th toes.

Function
Innervation
Blood supply
Origin

A

Extensor digitorum longus

Function: extension of the 2nd - 5th toes + dorsiflexion of foot
Innervation: deep fibular nerve
Blood supply: anterior tibial artery + perforating branch of fibular artery
Origin: lateral tibial condyle + proximal 3/4 of fibula

24
Q

List the following for the smallest muscle in the anteriolateral compartment of the leg.

Function
Innervation
Blood supply
Origin
Insertion
A

Fibularis/Peroneus tertius

Function: dorsiflexion and eversion of the foot
Innervation: deep fibular nerve
Blood supply: anterior tibial artery + perforating branch of fibular artery
Origin: medial fibula
Insertion: dorsally, base and body of 5th metatarsal

25
Q

List the following for Fibularis/peroneus longus?

Function
Innervation
Blood supply
Origin
Insertion
A

Function: eversion of the foot
Innervation: superficial fibular nerve
Blood supply: anterior tibial and fibular arteries
Origin: head and lateral surface of fibula
Insertion: base of 1st metatarsal

26
Q

List the following for Fibularis/peroneus brevis?

Function
Innervation
Blood supply
Origin
Insertion
A 
Function: eversion of the foot
Innervation: superficial fibular nerve
Blood supply: anterior tibial and fibular arteries
Origin: lateral surface of fibula
Insertion: tuberosity of 5th metatarsal
27
Q

List the following for the gastrocnemius

Function
Innervation
Blood supply
Origin
Insertion
A

Function: plantarflexion and flexion of the leg
Innervation: tibial nerve
Blood supply: sural arteries
Origin: medial and lateral femoral condyles
Insertion: Posterior surface of calcaneus

28
Q 
List the following for Popliteus
Function
Innervation
Blood supply
Origin
Insertion
A

Function: unlocks knee joint at the start of flexion of the knee + medially rotates leg at knee joint
Innervation: tibial nerve
Blood supply: inferior medial and inferior lateral genicular arteries
Origin: groove for politeus muscle
Insertion: Posterior surface of tibia, superior to soleal line

29
Q

List the following for plantaris

Function
Innervation
Blood supply
Origin
Insertion
A

Function: plantarflexion of the foot + flexion of leg
Innervation: tibial nerve
Blood supply: Sural, popliteal and superior lateral genicular arteries
Origin: lateral femoral supracondylar line
Insertion: Posterior surface of calcaneus

30
Q

List the following for soleus

Function
Innervation
Blood supply
Origin
Insertion
A

Function: Plantarflexion of foot
Innervation: tibial nerve
Blood supply: Popliteal, fibular, and posterior tibial arteries
Origin: head + neck of fibula, soleal tibial line, middle 1/3 of medial tibial border
Insertion: Posterior surface of calcaneus

31
Q 
List the following for Flexor digitorum longus
Function
Innervation
Blood supply
Origin
Insertion
A

Function: flexion of the 2nd-5th metatarsals + plantarflexion
Innervation: Tibial nerve
Blood supply: Posterior tibial artery
Origin: Posterior surface of tibia, inferior to soleal line
Insertion: Plantar side of distal phalanges 2-5

32
Q

List the following for Flexor hallucis longus

Function
Innervation
Blood supply
Origin
Insertion
A 
Function: flexion of the big toe
Innervation: tibial nerve
Blood supply: fibular artery
Origin: distal 2/3 of posterior fibula
Insertion: plantar side of distal 1st phalanx
33
Q

List the following for Tibialis posterior

Function
Innervation
Blood supply
Origin
Insertion
A

Function: inversion and plantarflexion
Innervation: tibial nerve
Blood supply: posterior tibial and fibular arteries
Origin: posterior surface of tibia and fibula
Insertion: tuberosity of navicular bone

MEDI2100 - MS (5 decks)

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