Flashcards
The Knee
Flashcards do conjunto (10)
- 1In what Plane does the Largest Movement Occur?Sagittal
- 2Normal ROMFlexion: 135-155°
Extension: 0 - 3LaxityHyperextension of Knee
Causes increase in extension range - 4Load Bearing Properties of MeniscusShock Absorption
Absorbs up to 3-4 times of body weight
Absorbs compression and tension
Adapts and conforms to changes in position - 5Relationship between Femur and TibiaFemoral condyles glide anteriorly with the tibia during flexion, to ensure it does not dislocate.
- 6Role of Intracapsular LigamentsACL: Prevents anterior dislocation of tibia
PCL: Prevents posterior dislocation of tibia - 7Patella TrackingDuring flexion:
Patella moves medially and lies within the intercondylar notch until 130°
- The begins to move laterally
During Extension
- Patella sits lateral to the trochlea - 8Functions of PatellaAnterior protection
Leverage of quadriceps
Reduces friction - 9Abnormal TrackingCaused by:
- Injury
- Weakness of Muscles
- Shallow femoral groove
- Laxity of Ligaments - 10Q AngleAngle between the rectus femoris ligament and the patella ligament
Provides an indication of the lateral vector force applied to the patella
Norm:
Males: 10-15°
Females: 10-19°
Informações
- Descrição
- Prac Exam FlashCards sobre The Knee, criado por Mr Italiano10 em 02-10-2019.
- Criado por
- Mr Italiano10
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