The lumbosacral joint, also called L5-S1, is a term used to describe a part of the spine. L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint ...

Office chairs and gaming chairs often tout lumbar support as a must-have feature. I spoke to some experts to see if it’s as essential as claimed.

As we age, it's common to notice posture changes: shoulders rounding, head leaning forward, back starting to curve. You might associate this with older adults and wonder: will this happen to me? Can I ...