<![CDATA[Introduction: Elderly people are people aged 60 years and above. In various countries, this age limit can vary depending on the context of the country or specific organization. The elderly are an important group in society because they have special needs related to health, social, and economic. The elderly experience a decline in physical and cognitive function that can affect their quality of life, including decreased chest expansion caused by progressive muscle stiffness and weakness. Chest mobilization is one of the non-pharmacological therapies to address this problem. Methods: This study used a quasi-experimental time series method with a one-group pre-test and post-test method. Results: After chest mobilization intervention was carried out three times a week, for a total of six weeks. 30–45 minutes per session. Each area (upper, middle, lower thorax) was given movement for 5–10 minutes per side. Rest between segments was approximately 1–2 minutes. The results obtained an increase in thoracic expansion in the upper, middle, and lower thorax in the non-parametric Wilcoxon Test with a p-value <0.05.]]>
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