Seated Wide Leg Side Stretch (Parsva Upavista Konasana) lengthens the muscles between the ribs and pelvis, stretching and strengthening the side body. This can improve the quality of breathing and can help to improve digestion. It also stretches the upper back and shoulders, improving posture.
In this variation of the pose, using a block under the elbow helps with transitioning toward the mat as flexibility improves over time.
Seated Wide Leg Side Stretch with a Block: How to Do it Step-by-Step
Tips: Keep the neck in line with the spine, and keep both hips on the mat.