Проводились ли научные исследования изоинерционных тренажеров?
Да. Вот названия нескольких работ:
Tritschler, L. M., Cauraugh, J. H., & Lee, S. W. (2016). Comparative effects of isoinertial versus traditional isotonic strength training on strength: A meta-analysis. Journal of strength and conditioning research, 30(9), 2459-2467.
Giombini, A., Marcolin, G., Petrucci, L., Di Cesare, A., & Fagnani, F. (2017). Isoinertial training: A review of recent advances and practical applications. Journal of functional morphology and kinesiology, 2(4), 49.
Walker, S., Blazevich, A. J., Haff, G. G., Tufano, J. J., Newton, R. U., & Häkkinen, K. (2016). Greater strength gains after training with accentuated eccentric than traditional isoinertial loads in already strength-trained men. Frontiers in physiology, 7, 149.