Method for Detection and Analysis of the Sit-to-Walk Transition in Older Adults. Threshold-Based Transition Detection Application: A Case Study. - María-del-Mar Lendínez-Chica; Sara Trapero-Asenjo; Bernardo Alarcos; Yolanda Pérez-Martín; Sandra Machado-Zurita; Susana Nunez-Nagy (IWBBIO (2), 2025)