Vaginal atresia is a rare condition in which the lower portion of the vagina has not formed as it should. The lower portion of the vagina may instead consist of fibrous tissue, which can cause a ...

The question is, how can you train for abs—especially around the pesky lower portion of the muscle group, where definition can be particularly difficult to achieve? The answer isn’t exactly ...

The question is, how can you train for abs—especially around the pesky lower portion of the muscle group, where definition can be particularly difficult to achieve? Here are four exercises ...

Lumbar facet joints are also known as zygapophysial joints or Z-joints. Lumbar refers to the lower portion of your back, a term used because these joints are located behind each vertebra or spinal ...