Ashtanga Vinyasa (also known as "power yoga" or "Raja yoga") is derived from the ancient Indian manuscript called the Yoga Kurunta ". Grow XL  The word "Ashtanga" literally translates to mean "eight limbs", which refers to eight positions: Yama (moral codes), Niyama (self-purification and study), asana (postures), pranayama (breath control), Prathyahara (sense control), Dharana (concentration), dhyana (meditation) and samadhi (contemplation).   Vinyasa means "breath synchronized movement." After warming up with Sun greetings, "the various postures are repeated with smooth flowing movements and specific model of respiration. http://rockhardfacts.com/grow-xl-scam/