year 10, Issue 1 (Spring 2022)                   Ann Appl Sport Sci 2022, 10(1): 0-0 | Back to browse issues page

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Adel J, Balbaa A E, R. ElHabashy H, Ibraheem M R, Fayaz N, Abbass S, et al . Temporal Activation of Core Muscles and Vasti in Isolated Patellofemoral Osteoarthritis during Stair-Stepping: A Case-Control Study. Ann Appl Sport Sci 2022; 10 (1)
1- Department of Physical Therapy for Musculoskeletal Disorders and Its Surgery, Faculty of Physical Therapy, Kafrelsheikh University, Kafr Elsheikh, Egypt
2- 2Department of Physical Therapy for Musculoskeletal Disorders and Its Surgery, Faculty of Physical Therapy, Cairo University, Cairo, Egypt. Faculty of Physical Therapy, Nahda University, Beni Sueif, 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 Physical Therapy for Musculoskeletal Disorders and Its Surgery, Faculty of Physical Therapy, Cairo University, Cairo, Egypt
6- Department of Biomedical Engineering and Systems, Faculty of Engineering, Cairo University, Cairo, Egypt
7- Department of Biomechanics, Faculty of Physical Therapy, Cairo University, Cairo, Egypt ,
8- Department of Physical Therapy for Neuromuscular Disorders and its surgery, Faculty of Physical Therapy, Cairo University, Cairo, Egypt
Abstract:   (1650 Views)
Background. Patellofemoral osteoarthritis (PF OA) is a leading cause of significant pain and disability of the 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 decide whether there is a link between altered core activity and Patellofemoral osteoarthritis. Methods. A comparative observational 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 the 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 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 managing patients with patellofemoral osteoarthritis. Prospective longitudinal studies are recommended for prioritizing the dysfunction.
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  • Not all patients with patellofemoral osteoarthritis have deficits in muscles around the knee joint.
  • Physical therapists should pay attention to mechanical deficits of all parts of the kinetic chain, not just the knee joint, when assessing patients with anterior knee pain.
  • Core stability exercise might effectively reduce pain in patients with patellofemoral arthritis.

Type of Study: Original Article | Subject: Kinesiology and Sport Injuries
Received: 2021/03/6 | Accepted: 2021/05/15

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