Are you one of those persons that really hates exercise? Then you’ll probably like the results of this recent study, which suggests that about 10% of people have ‘adverse responses to regular exercise in cardiovascular and diabetes risk factors.’ The lead author of the research paper, Claude Bouchard, from the Pennington Biomedical Research Center at Louisiana State University, has already said that the findings are ‘bizarre’.
The researchers analyzed six previous exercise studies, comprising 1,687 men and women. They found that between 8.4% and 13.3% of the participants in the studies had an adverse change after exercising in at least one risk factor, while about 7% had it in two or more.
Does this mean that some people shouldn’t exercise? The authors of the study say that it is too early to say, but that ‘identifying the predictors of such unwarranted responses and how to prevent them will provide the foundation for personalized exercise prescription.’
In the meanwhile, they recommend people to keep exercising, as the overall benefits counterbalance the possible harmful effects.
Bouchard, C., Blair, S., Church, T., Earnest, C., Hagberg, J., Häkkinen, K., Jenkins, N., Karavirta, L., Kraus, W., Leon, A., Rao, D., Sarzynski, M., Skinner, J., Slentz, C., & Rankinen, T. (2012). Adverse Metabolic Response to Regular Exercise: Is It a Rare or Common Occurrence? PLoS ONE, 7 (5) DOI: 10.1371/journal.pone.0037887
Dictionary of Sport and Exercise Science
Publisher: A & C Black