(HealthDay News) — Resistance training seems to be most effective for people with a low genetic risk for a high BMI, according to a study published in the International Journal of Obesity.

Researchers examined genetic markers of 148 women aged 30 to 65 years. All participated in the year-long Bone Estrogen and Strength Training study. Each woman received a genetic risk score for obesity, which was based on 21 genetic markers believed to affect body weight.

Eighty-four women were asked to participate in supervised, high-intensity resistance training and moderate weight-bearing exercises. The exercise sessions lasted for 75 minutes each. 

The women were asked to do these exercises 3 days a week for 1 year. During this time, the women took calcium supplements but made no other changes to their typical diet. The participants recorded their food intake at random intervals.

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The benefits of resistance training, which included weight loss as well as loss of body fat and abdominal fat, depended on a woman’s genetics and her risk for obesity, according to the study results. 

More research is needed, the study authors pointed out, noting that future studies should include a more diverse group of people. Moreover, future studies should also identify ideal weight-management strategies based on an individual’s genetic profile, they added.


  1. Klimentidis YC et al. Int J Obes. 2015;doi:10.1038/ijo.2015.78.