Tenderness on patellar facet palpation, small effusion (joint swelling). Additional criteria: Crepitus or grinding sensation emanating (coming) from the patellofemoral joint during knee flexion movements.Pain around or behind the patella, which is aggravated by at least one activity that loads the patellofemoral joint during weight bearing on a flexed (bent) knee (squatting, stairs, jogging, running, hopping and jumping) (13).PFPS is also commonly known as anterior knee pain, chondromalacia patella or runners knee. Patellofemoral pain syndrome (or PFPS for short) is the most common knee condition treated in a physical therapy (or physiotherapy) outpatient clinics (1). Patellofemoral Pain Syndrome Definition and Stats: What is patellofemoral pain syndrome (PFPS)? Address causes of injury discussed prior (13,38).Progressively apply the appropriate amount of stress to the PF joint as well as the hip (2,13).Evidence Based Treatments for Patellofemoral Pain.Surface area availability, (degree of knee flexion) joint reaction forces, quad contraction, patellofemoral compression and tracking.What factors affect stress to the PFPS? (1,2,4,5,6).There are several potential causes of PFPS including overuse, weak quadriceps, suboptimal movement, psychosocial factors (anxiety, fear of movement, depression), trochlear shape, body mass index and recovery (sleep, nutrition, stress) (2,17,18,19,21,22,23,25,26,27,40,41,43).What are the causes (mechanism of injury) of PFPS?.
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