Responsiveness of the Numeric Pain Rating Scale in Patients with Low Back PainJohn D. Childs, Julie M. Fritz, Sara R. Piva|Spine|2005Cited by 1.5k
Strength Around the Hip and Flexibility of Soft Tissues in Individuals With and Without Patellofemoral Pain SyndromeSara R. Piva, John D. Childs, Edward A. Goodnite|Journal of Orthopaedic and Sports Physical Therapy|2005Cited by 312
Reliability of measures of impairments associated with patellofemoral pain syndromeSara R. Piva, John D. Childs, James J. Irrgang et al.|BMC Musculoskeletal Disorders|2006Cited by 262
Systematic Review of the Quality of Randomized Controlled Trials for Patellofemoral Pain SyndromeMario Bizzini, Anthony Delitto, Sara R. Piva et al.|Journal of Orthopaedic and Sports Physical Therapy|2003Cited by 153
Accuracy of the clinical examination to predict radiographic instability of the lumbar spineJulie M. Fritz, John D. Childs, Sara R. Piva|European Spine Journal|2005Cited by 149