Analysis of the electromyographic activity, strength, and heart rate variability in caregivers of bedridden patients before and after a workday: a cross-sectional observational study. Biosci. J. [Internet]. 2026 May 5 [cited 2026 May 20];42:e42014. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/77572