Knee Complex Examination Flashcards
Flexion ROM
10-0-135
Extension ROM
135-0-10
Tibiofemoral joint resting position
25 degrees of flexion
Tibiofemoral joint closed pack position
Full extension
Full lateral rotation of tibia
Ottawa Knee Rules
>55 years old Tenderness at the head of the fibula Isolated tenderness of the patella Inability to flex knee to 90 degrees Inability to walk four WB steps immediately after injury and in the emergency room -Sensitive test
Pittsburgh Decision Rules
Blunt trauma or a fall as MOI and either of the following
-Age less than 12 or greater than 50
-Inability to walk four WB steps in the ER
Highly sensitive and more specific than Ottawa Knee Rules
Clicking
Meniscus tear
Snapping
Synovial plica
Tendon over bone
Grating
Chondromalacia
OA
Osteochondritis
Tearing
Muscle
Ligament
Catching
Meniscal Tear
Subluxing patella
Popping
ACL
Meniscus
Muscle
Tingling
Nerve
Circulation
Worse in morning
Arthritis
Chronic inflammation
Worse up stairs
Anterior horns of the meniscus
Worse down stairs
Posterior horns of the meniscus
Potential Pathologies of the knee
Patellofemoral dysfunction Meniscal injury Ligamentous sprain or laxity Capsular restriction Musculotendonous strain ITB syndrome Tendonitis, Bursitis, synovitis OA/RA Fractures s/p TKA s/p Scope s/p ACL repair
Chrondromalacia patella
MOI: repetitive trauma, patellar misalignment
S/S: retropatellar pain
Functional Complaints: Aggravated doing stairs, running, squatting
Patellar subluxation/Dislocation
MOI: Lateral tightness, Q angle, Repetitive trauma, acute trauma
S/S: Apprehension, Pain, swelling
Patellar Tendonitis
MOI: Repetitive trauma, insidious, sports w/ eccentric load to quads
S/S: Anterior knee pain, Pain at inferior pole of patella
Functional complaints: Jumping or kneeling, during or after activity
Pre-patellar bursitis
MOI: Repeated friction, trauma, repetitive trauma
S/S: Redness, effusion over the patella
Functional complaints: difficulty walking, inability to kneel
Meniscal Injury
Valgus or Varus force applied to flexed knee Forced medial rotation: lateral meniscus Forced Lateral rotation: Medial meniscus S/S: -Acute joint line pain -Effusion -Locking, click, snap -Catching sensation -Giving way
ACL injury
MOI: Sudden cut or deceleration, rotation combined with varus or valgus, hyperextension S/S: -Pop -Swelling -Persistant pain unless full tear -Hemarthrosis -Loss of ROM Functional c/o giving way
PCL Injury
MOI: Hyperflexion, Hyperextension, rotational motion w/ varus or valgus S/S: -Pop -Diffuse or posterior knee pain -Swelling -Hemarthrosis Functional c/o inability to bear wait
MCL injury
MOI: valgus force, excessive lateral rotation, overuse S/S: -localized pain and stiffness -Ecchymosis after several days -Swelling
LCL Injury
MOI: Varus force, excessive lateral rotation S/S: -localized pain and stiffness -Echymossis -Swelling