1 Department of Neuro Physiotherapy, Faculty of Physiotherapy, Dr. MGR Educational and Research Institute University, Chennai, Tamil Nadu, India
2 Department of Sports Physiotherapy, Faculty of Physiotherapy, Dr. MGR Educational and Research Institute University, Chennai, Tamil Nadu, India
3 Department of Ortho Physiotherapy, Faculty of Physiotherapy, Dr. MGR Educational and Research Institute University, Chennai, Tamil Nadu, India
4 Department of Cardiopulmonary Physiotherapy, Faculty of Physiotherapy, Dr. MGR Educational and Research Institute University, Chennai, Tamil Nadu, India
Procedure
The study protocol was approved by the Institution Research and Ethics Committee, and the study was performed according to the guidelines laid by the Declaration of Helsinki, revised 2013. A total of 40 female PKOA were recruited for the two group's pretest–posttest experimental study by the simple random sampling method. Before the data collection, duly signed informed consent was obtained. They were randomly allocated into two even groups as follows: Group A (conventional group) and Group B (experimental group) by the block randomization (4 × 5 blocks).
Treatment protocol in Group A
Totally 20 PKOA were given isometric quadriceps exercises, high sitting knee extension, straight leg raise, hamstring stretching, hip abduction, hip extension, along with short-wave diathermy (crossfire method) wider spacing, and thermal dose for 15 min. All the exercises were performed once in a day, with 10 repetitions for each exercise.
Treatment protocol in Group B
Twenty PKOA were given proprioceptive exercises in addition to the conventional treatment. Pelvic tilts and knee flexion and extension using Swiss ball, sliding lunge, stepping lunge, step up and down in a footstool, stand up and sit down in a stool, squatting, and single leg squat were given as proprioceptive exercises. All the exercises were performed once in a day, with 10 repetitions for each exercise.
Both the groups followed the above-mentioned exercise protocol for 5 days/week for 3 months. Visual analog scale (VAS) for pain and the Western Ontario and McMaster Universities OA Index (WOMAC) score were noted pre- and post-intervention. The therapist who supervised the intervention and outcome assessor was blinded to the groups. Hence, the study was double-blinded. Detailed study layout was displayed in the standardized format, consolidated standards of reporting trials [Figure 1].
Figure 1: Consolidated standards of reporting trials of the study |
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