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Question 1

The patella’s base is more _________ than its apex

Answer 1

superior

Question 2

The knee joint is made up of which joints?

Answer 2

Tibiofemoral and femoropatellar joints

Question 3

What bony features join to form the knee joint?

Answer 3

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

Question 4

What type of joints are the tibiofemoral joints?

Answer 4

Synovial modified hinge

Question 5

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

Answer 5

Flexion + extension + axial rotation when leg is flexed

Question 6

What type of joint is the femoropatellar joint?

Answer 6

Synovial plane

Question 7

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

Answer 7

Sliding up and down

Question 8

What features/structures provide stability for the knee joint?

Answer 8

In order of importance:
Muscles
Muscle tendons, ligaments

Question 9

What ligaments can be found in the femoral intercondylar fossa?

Answer 9

Anterior and posterior cruciate ligaments

Question 10

What features does the femoral intercondylar fossa lie between?

Answer 10

Medial and lateral condyles

Question 11

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

Answer 11

The intercondylar eminence

Question 12

What attaches to the anterior intercondylar area?

Answer 12

The anterior cruciate ligament

Question 13

What attaches to the posterior intercondylar area?

Answer 13

The posterior cruciate ligament

Question 14

Where is the tibial tuberosity located?

Answer 14

On the anterior tibia, closer to the proximal end

Question 15

What attaches at the tibial tuberosity?

Answer 15

Quadriceps femoris

Question 16

Where is the fibular notch located?

Answer 16

Lateral proximal tibia

Question 17

Where is the Gerdy tubercle located?

Answer 17

Proximal anterolateral tibia

Question 18

What attaches at the Gerdy tubercle?

Answer 18

Iliotibial tract

Question 19

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

Answer 19

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

Question 20

What features are located on the posterior patella?

Answer 20

Medial and lateral patellar facets, patellar articular surface

Question 21

For tibialis anterior list the

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

Answer 21

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

Question 22

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

Answer 22

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

Question 23

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

Answer 23

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

Question 24

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

Function
Innervation
Blood supply
Origin
Insertion

Answer 24

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

Question 25

List the following for Fibularis/peroneus longus? ``` Function Innervation Blood supply Origin Insertion ```

Answer 25

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

Question 26

List the following for Fibularis/peroneus brevis? ``` Function Innervation Blood supply Origin Insertion ```

Answer 26

``` 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 ```

Question 27

List the following for the gastrocnemius ``` Function Innervation Blood supply Origin Insertion ```

Answer 27

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

Question 28

``` List the following for Popliteus Function Innervation Blood supply Origin Insertion ```

Answer 28

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

Question 29

List the following for plantaris ``` Function Innervation Blood supply Origin Insertion ```

Answer 29

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

Question 30

List the following for soleus ``` Function Innervation Blood supply Origin Insertion ```

Answer 30

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

Question 31

``` List the following for Flexor digitorum longus Function Innervation Blood supply Origin Insertion ```

Answer 31

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

Question 32

List the following for Flexor hallucis longus ``` Function Innervation Blood supply Origin Insertion ```

Answer 32

``` 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 ```

Question 33

List the following for Tibialis posterior ``` Function Innervation Blood supply Origin Insertion ```

Answer 33

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