<prompt> Sigmoid volvulus rotation occursClockwiseAnticlockwiseBoth clockwise and anti clockwiseAxial in direction  <response>: Rotation nearly always occurs in the anticlockwise direction. predisposing medical causes are: Overloaded pelvic colon Long pelvic mesocolon Band of adhesions peridiveiculitis Narrow attachment of pelvic mesocolon high residue diet constipation Ref: Bailey Love;s Sho Practice of Surgery,E25,Page-1192 