A healthy spine has a gentle arch or curve. Arching your back excessively can tighten the muscles and lead to discomfort. However, arching the spine for brief periods should not cause health problems.

Yoga is a great way to better understand your body, mind, and breath — but if you really want to get to know your partner or friends better, acroyoga is the way to go. Acroyoga is a combination of ...