Thirtieths (Firefly Pose) is considered an advanced yoga pose in the balancing section arm. In this position the body like an insect in flight and hence the name. This is a very dynamic pose that the back of your body opens with a special focus on the hamstrings and spine. It helps strengthen wrists and arms and abdominal muscles. This yoga posture is also very beneficial for people who want to improve their balance or sense of balance and mental abilities, such as concentration. However, it can be a challenging place or even raise complicated because it requires a lot of strength and harmony in its execution, with a certain amount of grace and finesse.