Combined in-person and home-based circuit exercise improves body composition and hormonal profiles in patients with post-bariatric weight regain: a genotype-stratified single-arm interventional study.

Muscle mass showed a nonsignificant trend toward reduction, from 30.1 ± 7.2 kg to 29.1 ± 6.4 kg (−2.7% ± 3.2% change, P = 0.056), suggesting that the intervention may have helped mitigate the loss of lean mass associated with weight reduction ( Fig. 2 ).

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