New research indicates that young recreational and elite athletes commonly accumulate excess fluid in the bone marrow around the joint that connects the spine with the pelvis. The Arthritis & Rheumatology findings may help define what amount of fluid detected on imaging tests may be considered 'background noise' in physically active healthy individuals compared with patients who have axial spondyloarthropathy (axial Spa), an inflammatory disease with low back pain as its main symptom.
Source: News Medical