In young women with a BMI between 25 and 27, participating in supervised group aerobic exercise three times a week for 12 weeks leads to measurable decreases in body weight, waist size, and body fat, along with an increase in muscle mass.

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Pro

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Against

Evidence from Studies

Supporting (1)

49

Community contributions welcome

49

Group Aerobic Exercise Improves Body Composition and Lipid Profile in Young Women with Elevated BMI: A Randomized Controlled Trial

Randomized Controlled Trial

Human

This study found that young women who did group aerobic workouts three times a week for 12 weeks lost weight, reduced their waist size, and lost body fat — just like the claim says. But it didn’t find they gained muscle, which the claim also says.

Contradicting (0)

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No contradicting evidence found

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According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Group Aerobic Exercise Improves Body Composition and Lipid Profile in Young Women with Elevated BMI: A Randomized Controlled Trial

Score: 49

DOI: 10.3390/app15137489

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In young women with high body mass index, participating in supervised aerobic exercise three times a week for twelve weeks helps maintain stable body weight, waist size, body fat levels, and blood lipid levels, while remaining inactive leads to measurable increases in these measures.

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In young women with higher body mass index, participating in supervised aerobic exercise three times a week for twelve weeks is associated with an increase in the proportion of muscle mass in the body.

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In young women with a high body mass index, 12 weeks of supervised mix aerobics leads to larger reductions in body weight, waist size, body fat, and blood cholesterol levels compared to kickboxing or step aerobics.

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A 12-week supervised exercise program that burns about 10.5 megajoules per week leads to comparable decreases in body fat and fat mass in overweight and obese men and premenopausal women, with no meaningful difference between the sexes.

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Over four weeks, a combination of moderate aerobic and strength training led to an average loss of 3.6 kilograms of body fat in young women with obesity, while those who did not exercise gained an average of 1.56 kilograms of fat.

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