Mizuki Takeda et al.: “Standing, Walking, and Sitting Support Robot Based on User State Estimation Using a Small Number of Sensors”. IEEE Access 9, pp. 152677-152687, (2021). DOI: 10.1109/ACCESS.2021.3127275.
Zlatko Matjačić, Matjaž Zadravec, and Jakob Oblak: “Sit-to-stand trainer: an apparatus for training “normal-like” sit to stand movement”. IEEE Transactions on Neural Systems and Rehabilitation Engineering 24.6, pp. 639-649,(2015).
Marc T Hamilton et al.: “Too little exercise and too much sitting: inactivity physiology and the need for new recommendations on sedentary behavior”. Current cardiovascular risk reports 2.4, pp. 292-298, (2008).
David W Dunstan et al.: “Too much sitting-a health hazard”. Diabetes research and clinical practice 97.3, pp. 368-376, (2012).
R Ganea et al.: “Multi-parametric evaluation of sit-to-stand and stand-to-sit transitions in elderly people”. Medical engineering & physics 33.9, pp. 1086-1093, (2011).