Strong glutes, healthy body: Why your backside matters more than you think

Weak glutes are a big contributor to bad posture and back and knee pain — especially in people who sit most of the day. Here’s how to strengthen them effectively.

​ Weak glutes are a big contributor to bad posture and back and knee pain — especially in people who sit most of the day. Here’s how to strengthen them effectively. Read More Breaking News, Latest News and Videos | CNN