Lauren breaks down Forward Fold (Uttanasana) Level 1 Forward Fold is a basic yoga posture used in every standing vinyasa series including Half Surya "A", Surya "A" and Surya "B". It's a resting spot and is a mild yoga inversion. It lengthens the spine and stretches the hamstrings while also getting the benefit of stimulating digestion. *Modification: Bend the knees as deep as necessary. This will help if you have tight hamstrings or sensitivity in your lower back. Follow Lauren as she guides you step by step to Forward Fold.