Hand key points extracted by MediaPipe (IMAGE) University of Rochester Caption All the extracted key-points are displayed as red dots. The three key-points WRIST, THUMB_TIP, and INDEX_FINGER_TIP were used to compute the finger-tapping angle X. Credit University of Rochester / Saiful et. al. Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.