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Journal of Occupational and Environmental Medicine· 2026Q2

Effects of an 18-Week Workplace Gymnastics Program on Selected Components of Health-related Physical Fitness in Administrative Workers: A Non-Randomized Clinical Trial

Letícia Resende Viegas, David Michel de Oliveira, Letícia Mendes de Morais, Luiz Fernando Gouvêa-e-Silva et al.

Short summary

An 18-week workplace gymnastics program significantly improved flexibility and lower-limb endurance in administrative workers with good adherence (≥35 sessions), compared to those with low adherence (<35 sessions).

AI-generated from the title and abstract; the full text is not read.

Key points

  • Good adherence (≥35 sessions) to an 18-week workplace gymnastics program led to significantly higher post-intervention flexibility (30.9 vs 22.2 cm; p=0.004).
  • Good adherence also resulted in significantly greater lower-limb endurance (33.0 vs 26.1 reps; p=0.0002).
  • While not statistically significant, the good adherence group showed greater reductions in body fat (-1.7% vs -1.0%) and gains in muscle mass (+1.0% vs +0.8%).
  • No significant changes in handgrip strength were observed for either group.
  • Attendance positively correlated with post-intervention fitness outcomes.

AI-generated from the title and abstract; the full text is not read.

Abstract

OBJECTIVES: To evaluate the effects of an 18-week workplace gymnastics (WG) program on selected components of health-related physical fitness in administrative workers. METHODS: This non-randomized study (n=66) compared low (LA, <35 sessions) and good adherence (GA, ≥35 sessions) groups across an 18-week program (15-min sessions, 3x/week), assessing handgrip strength (HGS), flexibility, and lower-limb endurance. RESULTS: The GA group showed greater reductions in body fat (-1.7% vs -1.0%) and gains in muscle mass (+1.0% vs +0.8%), although not significant, and significantly higher post-intervention flexibility (30.9 vs 22.2 cm; p=0.004) and lower-limb endurance (33.0 vs 26.1 reps; p=0.0002). No significant HGS changes occurred. Attendance correlated positively with post-intervention outcomes. CONCLUSIONS: Participation in WG was associated with selected components of health-related physical fitness; higher attendance was associated with better outcomes, without implying causality or a dose-response relationship.

The authors' abstract, as published at the source. Journal of Occupational and Environmental Medicine, 2026 · DOI ↗

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