1. Title: Evidence for Benefit of Transversus Abdominis Training Alone or in Combination With Pelvic Floor Muscle Training to Treat Female Urinary Incontinence: A Systematic Review
Author(s): Bo K, Morkved S, Frawley H, et al.Source: NEUROUROLOGY AND URODYNAMICS   Volume: 28   Issue: 5   Pages: 368-373   Published: 2009

2.  Title: Pelvic Floor Muscle and Transversus Abdominis Activation in Abdominal Hypopressive Technique Through Surface Electromyography
Author(s): Stuepp Liliana; Magalhaes Resende Ana Paula; Petricelli Carla Dellabarba; et al.
Source: NEUROUROLOGY AND URODYNAMICS  Volume: 30   Issue: 8   Pages: 1518-1521   DOI: 10.1002/nau.21151   Published: 2011