As you come forward and turn the knee in, you repeat the internal rotation of the hip, followed by slight external rotation ...

Counteract all that slouching, slumping and even (brace yourself) aging by improving your flexibility and range of motion.

The benefits are many, Chapman said: improved flexibility, strength, balance. And there's the overall emotional well-being ...

This yoga pose stretches many areas of the body at once, which makes it effective, but challenging. Learn variations for beginners to help you master the move.