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Knee Examination Dr.Kholoud Al- Zain. Acknowledgment: Dr. Abdulaziz Alomar. General MSK Physical Examination P rinciples for Lower Examination. Exposure Bilateral limb examination Anterior and posterior Gait LLD NV examination Joint above and joint below. Gait . Antalgic gait.
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Knee ExaminationDr.Kholoud Al-Zain Acknowledgment: Dr.Abdulaziz Alomar
General MSK Physical Examination Principles for Lower Examination • Exposure • Bilateral limb examination • Anterior and posterior • Gait • LLD • NV examination • Joint above and joint below
Gait • Antalgicgait
Knee Examination • Look (Inspection) • Feel (Palpation) • Move • Special tests
Inspection (Look) • Deformity • Scars • Swelling • Skin colour changes • Muscle wasting
Deformity Deformity
Feel (palpation) • Temperature • Tenderness • Effusion
Tenderness • Soft tissue • Bony prominences • Joint line
Effusion Ballotment Milking
MOVE Active ROM Passive ROM
ROM • Flexion contracture • Extension lag
Special tests • Ligaments (stability): • ACL (Anterior Cruciate Ligament) • PCL (Posterior Cruciate Ligament) • MCL (Medial Collateral Ligament) • LCL (Lateral Collateral Ligament) • meniscus • Patellofemoral joint
ACL (anterior cruciate ligament) Anterior drawer test • Excessive forward movement of the tibia on the femur
ACL (anterior cruciate ligament) Lachman’s test • The most sensitive test for ACL rupture • Anterior Translation and end point (soft vs. hard)
ACL (anterior cruciate ligament) Pivot shift test: When positive, it is painful It needs experience to be able to elicit it
PCL (posterior cruciate ligament) Posterior drawer test • excessive backward movement of the tibia in relation to the femur.
PCL (posterior cruciate ligament) Sagging sign: • compare both knees in 90 degrees of flexion. • In the injured knee the proximal tibia is displaced backwards compared to the other side.
MCL Full extension 15 degree flexion
LCL Full extension 15 degree of flextion
Meniscus • Joint line tenderness: • Tenderness in the medial joint line (medial meniscus) • Tenderness in the lateral joint line (lateral meniscus) • McMurrey’s test for medial and lateral meniscus