What question did this study set out to answer?

To compare the effects of two training programs on body composition, physical capacities, and irisin levels in obese males.

April 15, 2026LifeOpen Access

Effects of Two Different Training Programs on Cardiometabolic Health, Body Composition and Irisin in Middle Age Obese Males: A Pilot Study

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Pilot study reveals training programs improve body composition and cardiometabolic health, suggesting irisin's role in fitness.

To compare the effects of two training programs on body composition, physical capacities, and irisin levels in obese males.
24-week polarized (POL) and threshold (THR) training programs assigned to participants
Measurements of body composition and physical capacity parameters pre- and post-training
Irisin levels assessed using ELISA from serum and salivary samples
Significant improvements in body mass and body mass index after training
Increased fat-free mass and maximal oxygen consumption (V’O2max) observed
No significant increase in irisin levels overall, but a trend noticed in the THR group
Positive correlation between serum irisin levels and aerobic fitness parameters such as V’O2max

D’Alleva et al. (2026) studied this question.

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