Knee Special Test

Basic Anatomy Ligaments Boney Anatomy

Muscles of the Knee

Common Knee Injuries ACL Tear MCL Tear LCL Tear Osgood-slaughter’s disease Fibular Factors Patellar Tendentious Meniscus Tear Pateller tendon Tear

Special Test and Knee Eval. Range of Motion Test Active and Passive Anterior/Posterior Drawer Valgus/Varus Stress Test Appley’s Compression/Distraction Lachman’s Test Sweep test Posterior sag Mcmurray’s Click test

Range of Motion (passive and active) Flexion Bring heel to butt Extension Straighten leg Looking for pain in ethier dicretion or inabilty to move

Anterior Drawer Position athlete lying supine on table Bend knee to a 60-90 degree angle Sit on athletes foot to provide stabilization Grasp posterior aspect of knee, place hands on medial and lateral aspects of knee with thumbs just below joint line on the tibia Pull towards anterior aspect of knee Bilaterally compare Feel for anterior translation of tibia

Posterior Drawer Position athlete lying supine on table Bend knee at 60-90 degree angle Sit on athletes foot for stabilization Place hands on medial and lateral aspects of joint line with thumbs on anterior aspect of tibia Apply pushing force on anterior aspect of knee Positive test entails pain and posterior laxity.

Valgus/Varus Test Postion Athlete lieing supine on table Postion knee at 30 degrees and 60 degrees Applying pressure, to both the lateral and medal side. Testing for laxity of the ligiments on ethier side. Test ruptores or sprains of MCL and LCL

Sweep Test Looking for joint effusion (swelling) Sweep hands on medial aspect of knee pushing fluid to lateral side. Sweep once on lateral side, look for bubble to appear on medial aspect of knee

Applys Compresstion/ Distraction Position athlete lying on his/her stomach. Have the Knee at 90 degrees. First perform compression, apply pressure to the bottom of foot Perform with foot internally rotated, and externally rotated if the pain increased there is a meniscal tear Perform distraction by pulling up on the foot If pain is released there is a meniscal tear.

Lachman’s test Athlete should be lying on their back with knee bent at 60 degrees. With one hand the above the patella and below it. Move tibia posteriorly and anteriorly. Watch for joint laxity of the ACL or PCL