Virabhadrasana 1 is a foundational Yoga pose it is more commonly known as Warrior 1
There is a story from the that accompanies the Warrior series of poses.
The benefits of Warrior 1
Warrior 1 is a standing posture which helps you to focus on your positioning and alignment.
It stretches your chest, shoulders, neck, abdomen and groin
It strengthens your shoulders, arms, back, thighs, calves and ankles.