Hatha Yoga is traditionally defined as part of Raja Yoga. It is composed of the terms Ha (sun) and Tha (moon). Hatha Yoga is believed to balance the flow of energy in the body, ignite vital energy or prana through breathing exercises and postures, and ultimately lead to the ignition of Kundalini energy, which is said to be dormant at the base of the spine. When Hatha Yoga is practiced fully, it becomes true Kundalini Yoga.
Hatha Yoga has six components: Ethical guidelines (yama and niyama), postures (asana), control/expansion of breath or energy (pranayama), energy locks (bandhas) and six cleansing techniques (shat kriyas).