1hr Power Vinyasa Intermediate Flow for Hamstrings (English) by Ana Paula Hernandez | Jun 8, 2020 | 50 min and up, English, Premium Online Yoga, Vinyasa and Hatha Intermediate | 1 comment Here's a great 1hr class for cardiovascular work, with a special focus on your hamstrings . . . You need a membership to access this class Membership is absolutely FREE for 30 days! Sign up Now!