Yoga means "union" - union between one’s individual consciousness and universal consciousness. Yoga is a great way to recharge and heal one’s body quickly. By stimulating the nerve system and immune system, while improving strength and flexibility, it centres the mind and opens the spirit. Practicing yoga can relieve back pain, stress, addiction, depression and insomnia, as well as help with weight control. Patanjali explains yoga: (in Sanskrit) "Chitha Vridhi nirodha". Meaning: "That which helps to take away desires and unwanted thoughts from the mind". In the "Yoga Sutra" (ancient yoga text) of Patanjali, there is a concise definition of yoga asanas: “Sthiram Sugkham Aasanam”, meaning: "That position which is comfortable and steady". Having done asana, one reaches steadiness of body and mind, freedom from disease and lightness of the limbs. It helps to open the energy channels and to develop control of the body.