Lisa T Hoglund1, Margery A Lockard2, Mary F Barbe3, Howard J Hillstrom4, Jinsup Song5, William R Reinus6, Ann E Barr-Gillespie7. 1. Department of Physical Therapy, Samson College of Health Sciences, University of the Sciences, Philadelphia, PA, USA. 2. Health Sciences Department, Drexel University, Philadelphia, PA, USA. 3. Department of Anatomy and Cell Biology, School of Medicine, Temple University, Philadelphia, PA, USA. 4. Leon Root, MD Motion Analysis Laboratory, Hospital for Special Surgery, New York, NY, USA. 5. Gait Study Center, School of Podiatric Medicine, Temple University, Philadelphia, PA, USA. 6. Musculoskeletal and Trauma Radiology, School of Medicine, Temple University, Philadelphia, PA, USA. 7. College of Health Professions, Pacific University, Hillsboro, OR, USA.
Abstract
BACKGROUND: Patellofemoral osteoarthritis (PFOA) is associated with pain and decreased self-reported function. The impact of PFOA on actual physical performance is currently unknown. OBJECTIVE: To investigate the impact of PFOA on physical performance and pain. METHODS: Eight participants aged 40-65 years with bilateral, symptomatic, radiographic PFOA and 7 age- and gender-matched pain-free control participants without radiographic PFOA were studied. Physical performance was measured with the Timed-Up-and-Go (TUG) and 50-foot Fast-Paced-Walk (FPW) tests. Dependent variables included time to complete the TUG and FPW; pretest-posttest change in pain intensity (TUG and FPW); and self-reports of perceived knee pain, stiffness, and physical function. Data were analyzed with nonparametric statistics. RESULTS: The PFOA group TUG time was longer than the control group (p=0.01). No difference between groups was found for FPW time. Pretest-posttest pain increased for the TUG and FPW in PFOA participants (p< 0.05). The PFOA group reported greater knee pain, stiffness, and less physical function than controls (previous 48 hours) (p < 0.01). CONCLUSIONS: Symptomatic, radiographic PFOA is associated with increased pain during the TUG and FPW tests and longer time required to complete the TUG. The TUG may be a more sensitive test of physical performance in PFOA.
BACKGROUND:Patellofemoral osteoarthritis (PFOA) is associated with pain and decreased self-reported function. The impact of PFOA on actual physical performance is currently unknown. OBJECTIVE: To investigate the impact of PFOA on physical performance and pain. METHODS: Eight participants aged 40-65 years with bilateral, symptomatic, radiographic PFOA and 7 age- and gender-matched pain-free control participants without radiographic PFOA were studied. Physical performance was measured with the Timed-Up-and-Go (TUG) and 50-foot Fast-Paced-Walk (FPW) tests. Dependent variables included time to complete the TUG and FPW; pretest-posttest change in pain intensity (TUG and FPW); and self-reports of perceived knee pain, stiffness, and physical function. Data were analyzed with nonparametric statistics. RESULTS: The PFOA group TUG time was longer than the control group (p=0.01). No difference between groups was found for FPW time. Pretest-posttest pain increased for the TUG and FPW in PFOAparticipants (p< 0.05). The PFOA group reported greater knee pain, stiffness, and less physical function than controls (previous 48 hours) (p < 0.01). CONCLUSIONS: Symptomatic, radiographic PFOA is associated with increased pain during the TUG and FPW tests and longer time required to complete the TUG. The TUG may be a more sensitive test of physical performance in PFOA.
Authors: Harvi F Hart; Tuhina Neogi; Michael LaValley; Daniel White; Yuqing Zhang; Michael C Nevitt; James Torner; Cora E Lewis; Joshua J Stefanik Journal: J Rheumatol Date: 2021-09-01 Impact factor: 4.666
Authors: Erin M Macri; Kay M Crossley; Harvi F Hart; Agnes G d'Entremont; Bruce B Forster; Charles R Ratzlaff; David R Wilson; Karim M Khan Journal: BMJ Open Sport Exerc Med Date: 2020-12-09