The Knee Part 1: Exam 3 Flashcards Preview

Kinesiology > The Knee Part 1: Exam 3 > Flashcards

Flashcards in The Knee Part 1: Exam 3 Deck (36):
1

What type of joint is the knee?

Hinge with rotational component

2

What stabilizes the knee?

-ligaments
-joint capsule
-muscles

3

What is the knee designed for?

Stability with weight bearing and mobility in locomotion

4

2 joints of the knee

-tibiofemoral
-patellofemoral

5

Bones in the tibiofemoral joint

-tibia
-femur

6

Actions of the tibiofemoral joint

-flexion and extension
-little rotation

7

Bones of the patellofemoral joint

-patella
-femur

8

Actions of the patellofemoral joint

-gliding

9

Appearance of the meniscus

Wedge

10

Shape of medial meniscus

C shape

11

Shape of lateral meniscus

O shape

12

Function of meniscus

-shock absorption
-stabilization

13

Extracapsular ligaments

-Medial Collateral Ligament
-Lateral Collateral Ligament
(Outside of capsule)

14

Intracapsular ligaments

-Anterior cruciate ligament (ACL)
-Posterior cruciate ligament (PCL)
(Inside capsule)

15

Tendons of the knee

-quadriceps
-patella (ligament)

16

Retinaculum

Connective tissue that holds down tendons

17

Where is the quadriceps group?

Anterior surface of the leg

18

4 muscles in the quads group

-rectus femoris
-vastus medialis
-vastus lateralis
-Vastus intermedius

19

What do these 4 muscles feed into?

One tendon

20

What is the quad group responsible for?

Knee extension

21

Where is the hamstring group?

Posterior surface of the leg

22

What is the hamstring group responsible for?

Knee flexion

23

What are the 3 muscles of the hamstring group?

-Bicep femoris (lateral)
-semitendinosis (medial)
-semimembranosus (medial)

24

What is critical in assessing a knee injury?

Determining the mechanism of the injury

25

Observing a knee injury

-walking, squatting, going up and down stairs
-swelling, ecchymosis
-leg alignment
-knee symmetry
-leg length









26

tests for the knee

-manual muscle tests
-special tests
-neurological

27

Special tests for the knee

*joint stability
-ligament
-meniscus

28

Neurological tests

-sensation
-foot drop
-reflexes

29

Translation

Refers to the glide of tibial plateau relative to the femoral condyles

30

What does knee laxity include?

Straight and rotary instability

31

What increases as the damage to stabilizing structures increases?

Laxity and translation

32

Special tests for knee instability

-use endpoint feel
-MRI
-Classification of joint instability

33

Q-angle

Lines which bisect the patella relative to the ASIS and the tibial tubercle

34

What is the normal Q-angle for females?

15 degrees

35

Normal Q-angle for males

10 degrees

36

What can elevated angles lead to?

Pathological conditions associated with improper patella tracking