K. Koyanagi, Y. Kimura, M. Koyanagi, et al.: ′′ERIK: an isokinetic exercise device for the lower limbs′′, ROBOMECH Journal, vol. 5, no. 1, p. 15, 2018.
Y. Yamamoto, K. Koyanagi, Y. Kimura, et al.: ′′Verification of Device Modes of a Strength Training Machine Using an Electrorheological Fluid Brake′′, Proc. of the 2014 IEEE/SICE International Symposium on System Integration, pp.779-784, 2014.
Y. Kimura, M. Koyanagi, K. Koyanagi, et al.: ′′Biomechanical analysis of single-leg squat with isokinetic and constant resistive force using controllable exercise equipment′′, British Journal of Sports Medicine, vol. 51, no. 4, pp.342-343, 2017.