BackgroundChemoradiation as one of backbone treatment in head neck cancer (HNC), is associated with significant toxicities that worsened patient’s condition and quality of life. Decreased nutritional intake and increased catabolism in cancer made HNC patients had decreased nutritional status since diagnosis and worsened during chemoradiotherapy. Nutritional support along with aerobic and resistance training can hinder the decreased of nutritional status, muscle mass and strength. However, in practical a group of HNC patients’ non-compliance to the program. The aim of this study to know factors contributed to non-compliance HNC patients training as supportive management.MethodsThis cohort study recruited HNC patients in our institution form August to December 2024. Locally advanced head neck cancer who underwent chemoradiation therapy were included. Patients HNC with poor performance …