DVD-Visceral Manipulation: The DVD Jean Pierre Barral DO 140 Minutes Weight: 3.2 oz Tell a Friend DVD-Visceral Manipulation In this DVD, pioneering osteopath Jean-Pierre Barral demonstrates and discusses many of the diagnostic and treatment techniques that he and his colleagues developed in their system of visceral manipulation. Also presented are original gross anatomical dissections prepared specifically by the author for this video format, together with graphical representations.