The ACT-ON: A Geriatric 5-Ms-Guided Physical Therapy Intervention for Knee Osteo-Arthritis in Older Adults.

The study is a Random control trail study conducted at King Khalid University Hospital in Riyadh, Saudi Arabia, focusing on Application of 5 framework in rehabilitation program of knee arthritis. The study will involve a in each group sample of 20 KOA patients, with a 12-month duration. The sample size was estimated using G\*Power 3.1 software, and the initial power analysis indicated that 40 participants would be required to achieve 80.0% statistical power. The study's participants will be aged between 55 and 80 years, diagnosed with Knee osteoarthritis, without cognitive impairment, knee surgery in the past 6 months, or unstable comorbidities. The study will involve in-person 16 sessions, with the first two lasting approximately one hour and the remaining session 30-45 minutes. The main outcome measures that will be used in this study are Stay Independent Brochure, Iconographical Falls Efficacy Scale (icon-FES), Timed Up and Go, 2-Minute Walk Test, 5 Time Set to Stand Test AND Arthritis Self-Efficacy Scale 8 Item (ASES-8), Patient-Specific Functional Scale (PSFS), and Patient satisfaction level with Physical Therapy service MedRisk. Data will be taken from direct questions to patients, by filling out the questionnaire via Google Form, and through some tests and SPSS will be used for data analysis, with ANOVA Test intervention scores of the outcome measures.

Inclusion Criteria: * Prospective participants will be Saudi Nationals * aged 60 years or older * with a clinical diagnosis of knee osteoarthritis. * individuals must be capable of walking 10 meters independently or with an assistive device * self-report the ability to tolerate a one-hour assessment session. Exclusion Criteria: * severe cognitive impairment * knee surgery within the past 6 months. * diagnosis of rheumatoid arthritis * the presence of unstable comorbidities (e.g., uncontrolled hypertension, heart failure, arrhythmia, severe pulmonary disease requiring oxygen, or a cardiac event in the past 6 months). * severe joint instability or deformity. * unmanaged severe osteoporosis. * a recent intra-articular corticosteroid injection (\