Tested Concept, ACL reconstruction with bone-tendon-bone autograft, Combined ACL and posterolateral corner reconstruction, Combined PCL and posterolateral corner reconstuction, Type in at least one full word to see suggestions list, Correct Sequence and Documentation of Valgus and Varus Stress Test in Knee. Correction of the deformity and restoration of anatomic alignment should be achieved to maximize the longevity of the replaced compo-nents. Prep for a quiz or learn for fun! Copyright © 2020 Lineage Medical, Inc. All rights reserved. with the patient supine, flex the knee to 45 deg, ER and apply a valgus force to the proximal tibia and extend the knee. On examination, he has a knee effusion and tenderness laterally. Careful examination of the knee can provide valuable information and help the physician determine when imaging studies may or may not be helpful. # Musculoskeletal (MSK) injuries affect over 40 million people in the United States alone. Knee examination is an important clinical skill, and knee problems are a common presenting complaint to general practice and emergency departments. The knee joint is one of the largest and most complex joints in the body. Osteoarthritis (OA) of the knee is very common and is a major cause of morbidity, especially in the older population. 10° extension (recurvatum) to 130° flexion, in full extension, there is minimal rotation, at 30° flexion, a few degrees of passive motion possible, patient lies supine with hips and knees flexed to 90, °, examiner supports ankles and observes for a posterior shift of the tibia as compared to the uninvolved knee, the medial tibial plateau of a normal knee at rest is ~1 cm anterior to the medial femoral condyle, most accurate maneuver for diagnosing PCL injury, positive if anterior reduction of the tibia occurs relative to the femur, 0° and 30° - combined MCL and ACL and/or PCL, Anterior Drawer with tibia in external rotation, 0° and 30° - combined LCL and ACL and/or PCL, Varus opening and increased external tibial rotatory instability at 30, with the knee positioned at 90°, ER and valgus forces are applied to tibia, as the knee is extended, the tibia reduces with a palpable clunk, tibia reduces from a posterior subluxed position at ~20° of flexion to a reduced position in full extension (reduction force from IT band transitioning from a flexor to an extensor of the knee), positive when the leg falls into ER and recurvatum when the lower extremity is suspended by the toes in a supine patient, flex the knee and place a hand on medial side of knee, externally rotate the leg and bring the knee into extension, a palpable pop or click is a positive test and can correlate with a medial meniscus tear, Spontaneous Osteonecrosis of the Knee (SONK), Osgood Schlatter's Disease (Tibial Tubercle Apophysitis), Anterior Superior Iliac Spine (ASIS) Avulsion, Anterior Inferior Iliac Spine Avulsion (AIIS), Concussions (Mild Traumatic Brain Injury), Quadriceps avoidance gait (does not actively extend knee), extension to flexion: reduces at 20-30° of flexion, patient must be completely relaxed (easier to elicit under anesthesia), grade III MCL tears often associated with ACL and posteriomedial corner tears, postive test will indicate associated ligamentous injury, varus laxity at 0° indicates both LCL & cruciate (ACL or PCL) injury, performed with the hip flexed 45°, knee flexed 80°, and foot ER 15°, a combined posterior drawer and ER force is applied to the knee to assess for an increase in posterolateral translation (lateral tibia externally rotates relative to lateral femoral condyle), injury present with altered sensation to foot dorsum and weak ankle dorsiflexion, absence of swelling supports ligamentous laxity and habitual dislocation mechanism, measured in quadrants of translation (midline of patella is considered "0") and should be compared to contralateral side, normal motion is <2 quadrants of patellar translation, lateral translation of medial border of patella to lateral edge of trochlear groove is considered "2" quadrants and is an abnormal amount of translation, excessive lateral translation in extension which "pops" into groove as the patella engages the trochlea early in flexion. Witonski and Wagrowska-Danielewicz10 reported that sub-stance P–immunoreactive nerve fi-bers are widespread within the soft tissues around the knee. osteoarthritis knee physical examhow to osteoarthritis knee physical exam for Celiac disease refers to a severe intolerance to gluten. Top Orthobullets Flashcards Ranked by Quality. Users outside the medical profession are welcome to use this website, but no content on the site should be interpreted as medical advice. Colorado Joint Replacement. part of your body, from your ankles and feet to your shoulders and hands. It is constructed by 4 bones and an extensive network of ligaments and muscles. Both disorders commonly present with recurrent spontaneous hemarthroses that affect large joints, typically the knee, leading to chronic synovitis and eventually joint destruction. thritic knee with valgus deformity presents a unique set of problems that must be addressed at the time of total knee arthroplasty (TKA). Orthobullets App Review: Outstanding Quick Reference Guide and Education Review Program for Orthopedics. May indicate moderate to severe knee arthritis. The knee is a hinge joint, but it depends on external structures for its stability, including the cruciate and collateral ligaments, and the menisci. Initial treatment involves factor replacement to within 60% normal, joint aspiration, and immobilization until the physical exam is normal. An understanding of knee pathoanatomy is an invaluable part of making the correct diagnosis and formulating a treatment plan. Briefly explain what the examination will involve using patient-friendly language. The test is performed with the patient in a relaxed supine position. The knee to be tested should be fully flexed. Not surprisingly, MSK complaints are extremely common in primary care representing the second leading cause of patient visits. See your family physician for an assessment and x-ray. Discoloration, wounds, gross deformity, or previous scars, Arthroplasty Preoperative Medical Optimization, Arthroplasty Preoperative Coagulopathy Management, Arthroplasty Preoperative Infection Prevention, Idiopathic Transient Osteoporosis of the Hip (ITOH), THA Pseudotumor (Metal on Metal Reactions), TKA Postoperative Rehabilitation & Outpatient Management, Position - genu varum or valgus; flexion contractures, can indicate LCL or PLC insufficiency or injury, tenderness to palpation medially or laterally, pain with Baker's cyst or popliteal aneurysm, intra-articular fracture or ligament rupture, hypoactive / absent is concerning for L4 radiculopathy, 10-15 deg internal and external tibial rotation, flex knee to 20-30 deg, translate tibia with anteriorly directed force, flex knee to 90 deg, translate tibia with anteriorly directed force, laxity in anterior translation indicates ACL injury, patient is supine with the knee fully extended, place an internal rotation and valgus force on the proximal tibia while flexing the knee, with ACL deficient knee, the tibia starts subluxed and reduces with flexion, causing a clunk, starts anterior to the pivot point of the knee with the lateral plateua subluxed anterior (due to ACL deficiency), ITB pull then becomes posterior to pivot point of the tibia during flexion causing subluxed lateral plateau to reduce with a clunk, flex knee to 90 deg, posteriorly directed force on tibia, place the patient supine, hip at 45 deg, and knee at 90 deg, posterior translation of the tibia in relation to the femur, indicates a PCL injury, with the patient supine, flex the knee to 90 deg and have the patient fire their quadriceps, posterior subluxed tibia will translate anteriorly if PCL is deficient, with the patient supine, flex the knee to 45 deg, ER and apply a valgus force to the proximal tibia and extend the knee, a clunk with knee extension indicates a PCL injury, laxity at 0 deg indicates MCL and cruciate injury, laxity at 0 deg indicates LCL and cruciate injury, most sensitive test for meniscal tear when pain is present, place knee into flexion, varus, and internal rotation, then extend the knee, pain or pop sensation indicates lateral meniscus tear, place knee into flexion, valgus, and external rotation, then extend the knee, pain or pop sensation indicates medial meniscus tear, with the patient prone, place the knee at 90 deg, then compress and rotate the leg, pain or pop sesation indicates meniscal tear, patella should translate 2 quadrants in both directions, relax the quads and place laterally directed force on patella, pain or apprehension would indicate MPFL or medial retinacular injury, extend the patient's knee from a flexed position, maltracking noted if patella is laterally displacing in full extension, have the patient activate their quadriceps while placing a compression force on the patella when the knee is in full extension, pain would indicate patellar/trochlear OCD, chondromalacia, or arthritis, patient supine, have them raise the foot off the bed and hold it in position, inability to perform suggests quadriceps or patellar tendon injuries. 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