You may not be familiar with the term, but you've probably seen what it looks like to suffer from Upper Crossed Syndrome (UCS). Often caused by poor posture over a long period of time, UCS results in rounded shoulders, head in front of the body, and an apparent curve in the neck and upper back.

Sciatica involves pain or altered sensations running from your back down into your legs. A large review of research on sciatica treatments found that epidural corticosteroid injections are effective, though the effects are small and short term.