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1- Department of Physical Therapy for Musculoskeletal Disorders and Its Surgery, Faculty of Physical Therapy, Kafr Elsheikh University, Kafr Elsheikh, Egypt
2- Department of Physical Therapy for Musculoskeletal Disorders and Its Surgery, Faculty of Physical Therapy, Cairo University, Cairo, Egypt
3- Clinical Neurophysiology Unit, Kasr Alainy Medical School, Cairo University, Cairo, Egypt
4- Department of Information Technology, Faculty of Computers and information, Kafrelsheikh University, Kafrelsheikh, Egypt
5- Department of Biomedical Engineering and Systems, Faculty of Engineering, Cairo University, Cairo, Egypt
6- Department of Biomechanics, Faculty of Physical Therapy, Cairo University, Cairo, Egypt , scholar.tabriz@gmail.com
7- Department of Physical Therapy for Neuromuscular Disorders and its surgery, Faculty of Physical Therapy, Cairo University, Cairo, Egypt
Abstract:   (35 Views)
Background. Patellofemoral osteoarthritis (PF OA) is a leading cause of significant pain and disability of knee joint. Stair climbing dysfunction is commonly reported in this cohort. Objectives. To compare the temporal muscle activation between females with PF OA and healthy controls during stair ascent and to decide whether there is a link between altered core activity and Patellofemoral osteoarthritis. Methods. An observational comparative study was conducted on 31 females with PF OA and 11 healthy ones. The electromyographic onset times of vasti, gluteus medius (GM), multifidus and transversus abdominus (TrA) muscles were measured during the initiation of stair ascending task. Results. A non-significant difference was detected between females with PF OA and controls regarding the onset times of all tested muscles except for the multifidus muscle which showed a significantly delayed activation in the PF OA group. Conclusion. Females with patellofemoral osteoarthritis showed a significantly delayed multifidus activation during ascending stairs which indicated the neuromotor dysfunction of core muscles compared to healthy controls. Core stability may be of clinical significance in the management of patients with patellofemoral osteoarthritis. Prospective longitudinal studies are recommended for prioritizing the dysfunction.
Full-Text [PDF 197 kb]   (13 Downloads)    
Type of Study: Original Article | Subject: Kinesiology and Sport Injuries
Received: 2021/03/6 | Accepted: 2021/01/12

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