Henry Tsao wrote: > To all: > > I have 2 questions: > > > > 2. I have read in Travell and Simons Trigger Point Manual that the iliopsoas > muscle is enveloped with the lumbar Sympathetic plexus... but can never find > any clarification in anatomy texts. Can any refute or confirm this. > > Thank you in advance. > > Henry*** > Check out Netter's Atlas of Human Anatomy plates number304 and 326 and you can see how the individual slips of origin of the psoas are organized in such a way as to permit passage of the sympathetic ganglia and the autonomic nerves. Mike