Results on the statistically significant predictors of a higher willingness to adopt telerehabilitation as assessed by the Unified Theory of Acceptance and Use of Technology (UTAUT2) questionnaire including odd's ratios (OR) with 95% confidence interval (CI) are presented in Supplementary Figure 1. Ordinal regression results showed that the performance expectancy, social influence, facilitating conditions, and behavioral intention significantly increased after the COVID-19 outbreak. Overall, German therapists were significantly more likely than Austrian therapists to accept telerehabilitation. A younger age of 20 -30 years was a positive predictor of influencing telerehabilitation habits. In terms of gender, males were more likely than females to agree to high facilitating conditions for telerehabilitation. With respect to