Figure 7From: Assessment-driven selection and adaptation of exercise difficulty in robot-assisted therapy: a pilot study with a hand rehabilitation robotDifficulty level increase correlates with clinical scores. The difficulty level improvement summed over all 7 exercises correlates with the changes in the FMA-UE (total score and hand/wrist subscore) from the pre to the post assessment. r s is the Spearman’s rank correlation coefficient. The line through the data points was fitted by linear regression.Back to article page