Chakras are a core belief of yoga, and have been incorporated into many different new age practices. The chakra system was first developed in India in the middle ages. The word "chakra" is a sanskrit word meaning wheel.
The major chakras are located along the spinal column of the body and each is traditionally represented by a different color of the rainbow - starting with red at the bottom up to violet on the crown.
Each chakra location represents different emotions and feelings.
1st Chakra: Root
Governs survival instincts, physical functions, sense of groundedness
Signs of imbalance include constipation, obesity, leg or knee problems
2nd Chakra: Sacral
Governs sexuality, emotion, nurturing instincts, creativity
Signs of imbalance include low-back pain, reproductive issues, bladder or kidney troubles
3rd Chakra: Solar Plexus
Governs will, drive, ego, control, freedom, metabolism
Signs of imbalance include ulcers, digestive disorders, liver and gallbladder ailments, diabetes
4th Chakra: Heart
Governs love, compassion, relationships
Signs of imbalance are heart disease, high blood pressure
5th Chakra: Throat
Governs communication, creativity, self-expression
Signs of imbalance include sore throat, laryngitis, thyroid imbalance, respiratory and/or hearing problems
6th Chakra: Brow
Governs intuition, thought, psychic awareness, dreams, visions
Signs of imbalance include headaches, problems with the nervous system
7th Chakra: Crown
Governs cosmic consciousness, spirituality, wisdom, universal truth
Signs of imbalance include confusion, depression, inability to learn