Feasibility of a comprehensive supervised exercise program during and after treatment of head and neck cancer: a mixed-methods study.

Purpose: This study evaluates the feasibility of a comprehensive supervised exercise program (CSEP) for head and neck cancer (HNC) patients during and after (chemo)radiotherapy, integrating quantitative and qualitative data to identify participation barriers and facilitators.

Methods: To investigate the feasibility of the CSEP, a mixed-method study was performed. For the quantitative part, first, adherence to and safety of the CSEP were considered as quantitative feasibility outcome measures.