The effect of pelvic floor muscle training on bowel symptoms after low anterior resection for rectal cancer.

Interventions: Control group + intervention group: LARS-score, Colorectal Functional Outcome Questionnaire, International Consulation on Incontinence Questionnaire, Female Sexual Function Index/ Interternational Index of Erectile Function, Flemish Physical Activity Questionnaire, Numeric Rating Scale, Bowel Diary, Bladder Diary, 1 hour Pad test, Evaluation pelvic floor muscles (tone, strength, endurance) Intervention group: pelvic floor muscle training (9 times in 12 weeks) High Resolution Pan Colonic manometry in a subset of patients with remaining symptoms Primary outcome(s): LARS-score, evaluated after 12 weeks (=16 weeks after surgery/closure ileostomy) of pelvic floor muscle training Study Design: Randomized controlled trial, Double blinded (masking used), Active, Parallel