Many pregnant women are instructed to do Kegel exercises to strengthen the muscles of the pelvic floor. This can be beneficial, but often it results in increased stress on the sacrum. To understand why this happens you need to look at how the pelvic floor muscles work – they create the “bottom of the bowl” within the opening of the pelvis. As the baby develops there is a lot of stress and strain in this region making these muscles tight and weak. When a muscle is chronically