Veille documentaire MTPH

Médecine du travail du personnel hospitalier

Effect of workplace-versus home-based physical exercise on musculoskeletal pain among healthcare workers: a cluster randomized controlled trial

Auteur     Markus D. Jakobsen
Auteur     Emil Sundstrup
Auteur     Mikkel Brandt
Auteur     Kenneth Jay
Auteur     Per Aagaard
Auteur     Lars L. Andersen
Volume     41
Numéro     2
Pages     153-163
Publication     Scandinavian Journal of Work, Environment & Health
ISSN     0355-3140
Date     2015
Résumé     Objective Numerous studies has shown that regular physical exercise can reduce musculoskeletal pain, but the optimal setting to achieve high adherence and effectiveness remains unknown. This study investigated the effect of workplace versus home-based physical exercise on musculoskeletal pain among healthcare workers. Methods The randomized controlled trial (RCT) comprised 200 female healthcare workers from 18 departments at 3 hospitals. Participants were randomly allocated at the cluster level to ten weeks of: (i) workplace physical exercise (WORK) performed during working hours for 5×10 minutes per week and up to 5 group-based coaching sessions on motivation for regular physical exercise, or (ii) home-based physical exercise (HOME) performed during leisure time for 5×10 minutes per week. Both groups received ergonomic counseling on patient handling and use of lifting aides. Average pain intensity (0–10 scale) in the low back and neck/shoulder was the primary outcome. Results Per week, 2.2 (SD 1.1) and 1.0 (SD 1.2) training sessions were performed in WORK and HOME groups, respectively. Pain intensity, back muscle strength and use of analgesics improved more following WORK than HOME (P<0.05). Between-group differences at follow-up (WORK versus HOME) was -0.7 points for pain intensity [95% confidence interval (95% CI) -1.0– -0.3], 5.5 Nm for back muscle strength (95% CI 2.0–9.0), and -0.4 days per week for use of analgesics (95% CI -0.7– -0.2). The effect size for between-group differences in pain intensity was small (Cohen’s d=0.31). Conclusions Workplace physical exercise is more effective than home-based exercise in reducing musculoskeletal pain, increasing muscle strength and reducing the use of analgesics among healthcare workers.

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