SUMMARY
Background. Knee osteoarthritis (OA) is a chronic, multifactorial and progressive disease that decreases range of motion and flexibility and alters proprioception and postural control. Postural control provides stability and conditions to assume and maintain the desired body position. In OA patients, this postural control is diminished along with overall functional capacity, and physical exercise aims to reduce these alterations.
Objective. To evaluate and compare the postural control of patients with knee OA before and after a supervised clinic based or home exercises protocol.
Methods. 48 OA patients between 40 and 65 years participated in the study. They were assessed using the 40-meter walk test and postural control (force platform). Postural control was evaluated with eyes open, and eyes closed, with and without the use of an unstable surface, in three attempts of 30 seconds each, with a 1-minute rest interval between them. After assessments, participants were randomized into two groups: supervised clinic-based exercise group (CBG) (n = 23) and home based exercise group (HBG) (n = 25). The exercise protocol was the same for both groups, and they were reevaluated after 8 weeks of training.
Results. Both groups improved their walking speed after treatment. Regarding postural control, there were no differences in the variables of center of pressure displacement before and after intervention with exercises, regardless of the group.
Conclusions. Patients showed no improvement in postural control after the intervention, although there was an increase in walking speed in both groups.
Study registration. The study has been registered in Clinical Trials (number NCT0335643).
Postural Control Pre- and Post-Group Supervised Clinic Based Exercise or Home Based Exercise in Patients with Knee Osteoarthritis: A Randomized Clinical Trial
Évelin Santos Vaz, Juliana Corrêa Soares, Carlos Bolli Mota, Michele Forgiarini Saccol
Original Article, 67-74
Keywords: aged, exercise., osteoarthritis., pain, postural balance.,
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