Core Strength Vinyasa Yoga is a modern style of yoga as exercise created by American yogini Sadie Nardini in 2006. Central to this style is a movement referred to as a 'wave' (softening). The structure of this practice includes a 7-step framework which is applied to each pose within a sequence. Nardini incorporates aspects of Kundalini Yoga, Sivananda Yoga, Anusara Yoga, Iyengar Yoga, and portions of movement sequences from Ashtanga Vinyasa Yoga. Maintaining an internal focus on joy in the moment is part of the practice philosophy. This style integrates postures with learnings from many disciplines including physics, biology, and geometry, influenced by the works of Leslie Kaminoff. It incorporates traditional yoga philosophy from the Yoga Sutras of Patanjali. It emphasizes muscles that ar