The Effects of Eccentric Cycling Exercise Program in Chronic Kidney Disease Patients

研究简介（原文）

Progress in medical technology, enhancements in environmental cleanliness, and elevated living conditions have notably prolonged the mean life expectancy, resulting in a swift increase in the aging population. The prevalence of Chronic Kidney Disease (CKD) is more pronounced among the elderly in contrast to younger demographics. With the aging of the CKD population, the capacity to autonomously handle daily activities becomes a critical concern. This demographic frequently encounters concurrent health conditions, a decrease in self-care capabilities, general health decline, and diminished quality of life. Recent studies suggest that physical activity has the potential to enhance cardiovascular health, cardiopulmonary endurance, muscle strength, quality of life, uremic toxin management, and inflammation levels among individuals with CKD. Given that CKD patients often exhibit sedentary behavior and reduced exercise capacity, eccentric cycling exercises may be particularly well-suited for this demographic. Compared to concentric contractions, eccentric contractions subject the muscles to higher tension. Since muscle growth partially depends on the "stress exerted on muscle fibers"-meaning the greater the stress, the more stimulation the muscles receive-training focused on eccentric contractions could provide more stimulation and promote greater muscle growth. In recent studies, eccentric cycling has emerged as a feasible and promising aerobic exercise intervention. It can provide a safe and appropriate amount of exercise while relatively reducing joint pressure. This novel combined aerobic and anaerobic exercise method is particularly beneficial for individuals with weaker lower limb muscles, lower joint pressure tolerance, poor metabolic and cardiovascular function, and a tendency to fatigue.

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