Jurado, M. et al. 2025. An IoT Monitoring System Based on Artificial Intelligence Image Recognition and EMG Signal Processing for Abdominal Exercise Performance. International Journal of Online and Biomedical Engineering (iJOE). 21, 03 (Mar. 2025), pp. 116–141. DOI:https://doi.org/10.3991/ijoe.v21i03.52305.