WHY: Understanding the Overactive Pelvic Floor. What is overactive pelvic floor?   Overactive pelvic floor is defined by the ICS as a situation where the pelvic floor muscles do not relax properly, or may contract when relaxation is required. The condition presents with a number of symptoms of poor pelvic floor relaxation including issues emptying … Continue reading WHY: Understanding the Overactive Pelvic Floor.