We all know that yoga has become so popular recently that people have started to use it for fitness and, when combined with a healthy diet, for weight loss as well. The fitness benefits of yoga are many, but the two big ones are improving your flexibility and building muscle strength, both of which are on display here. Not sure if this girl is better at weights or yoga, but either way she is showing off her impressive fitness level. So, where are your yoga pants? Wear them and get started.