A group of researchers set out to determine the effects of a school-based, low-volume strength training program on energy expenditure, strength, and physical fitness in obese prepubertal girls.

The researchers designed a longitudinal, 5-month strength training exercise program in which 11 healthy, obese girls aged 7-10 years participated.

The girls increased their upper and lower extremity strength, on average, by 20%. However, similar results were not noted when energy expenditure was evaluated.

The researchers concluded, "This long-term, school-based, low-volume strength training program favorably increases strength in obese prepubertal girls but does not increase their daily energy expenditure."

Med. Sci. Sports Exerc., Vol. 30, No. 7, pp. 1130-1136, 1998.

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