2.5. The combined intervention PMR and MI procedure
PMR
The participants in the intervention group were required to wear loose-fitting, soft clothes, and entered a private, quiet, dimmed light room to receive a face-to-face training session of PMR combined with MI. The training session was performed by the principal investigator (PI), who is certified in PMR and MI. After being introduced to the program, the effects of MI and PMR on psychological issues, the patients were trained on PMR skills and listening to music. The PI demonstrated step-by-step instructions on PMR, and then the participants performed the return demonstration. The participants were instructed on tensing and relaxing 16 muscle groups in sequence, following face and neck, arms and hands, chest and abdomen, legs and feet (see The control group received standard care, including health assessment, regular health advice and nutrition consultation during chemotherapy by doctors and nurses. To minimize the bias by contacting, weekly phone calls were also carried out to participants to ask about their general health and remind them to return to the hospital in subsequent chemotherapy on time.