Feasibility of a Preoperative, Multimodal Lifestyle Intervention in Patients With Breastcancer

"1. During the weekly chemotherapy infusion (week 10-20), a supervised moderate-intensity endurance training (MIET) on a cycle ergometer is performed (11x):~ * 5 min. warm-up~ * 35 min. cycling at 40-60% of (HR reserve + resting HR)~ * 5-10 min. cool-down~2. \+ strength training~During week 17-22 a supervised high-intensity interval training + strength training programme is performed (8x):~HITT:~* 3 min warm-up (20W)~* 14 intervals (30sec. work intervals at 60% of WRpeak alternates with 60-sec. rest intervals at 20W) --1 min. cool-down~Muscle strength:~4 exercises (leg press, chest press, abdominal crunch, lateral pulldown), 3 sets, 8-12 repetitions at 60% of 1-RM.~3\) During 4 consultations with a dietician (week 9, 15, 20, 22) nutritional intake is evaluated and advice is given on energy and protein requirements. Patients are advised to use a digital food diary to record their intake for ≥3 days a week."