Developing and maintaining muscle mass is an essential form of "life insurance" for health, as it supports metabolism, bone health, balance, and autonomy, all with just 1 to 2 hours of training per week.

noli's read

The claim that muscle acts as "life insurance" rests on a solid scientific foundation: a meta-analysis published in the British Journal of Sports Medicine confirms that muscle-strengthening activity is associated with a significant reduction in all-cause mortality. Regarding metabolism, muscle tissue is metabolically active, which helps with blood glucose management and maintaining a healthy weight, as highlighted by various observational studies. The impact on bone density and the prevention of falls in seniors is also well-documented by randomized controlled trials (RCTs). The creator correctly emphasizes that low training volumes (1 to 2 hours per week) are sufficient to obtain notable benefits, which is validated by literature on maintaining muscle mass. There is no exaggeration here, as the life insurance analogy correctly reflects the protective role of muscle against chronic diseases related to aging. This is a public health message consistent with current physical activity recommendations.

the sources

1. 1Wu Y, Wang W, Liu T, Zhang D 2017
2. 2Li R, Xia J, Zhang X, et al. 2018
3. 3Watson SL, Weeks BK, Weis LJ, Harding AT, Horan SA, Beck BR 2018