The word chakra is a sanskrit word meaning wheel. It is a wheel-like spinning vortex that interpenetrates the physical body with the outer ends of each vortex forming a specific layer of the auric field. The whirling motion forms a cavity or vacuum in the center that draws in anything it encounters on its particular vibrational level. It is then processed and sent to the auric field.
The major chakras of the human body are the seven chakras that are aligned along the spinal cord. Secondary chakras of importance are located in the palms of the hands, the soles of the feet, and at major joints in the arms and legs.
It is through the first chakra that energy from the earth enters the subtle energy system of the body, an where we would feel our connection with the earth on which we live. It gives us a connection with the life on the planet as a whole, that we are not separate little entities.
It is the seat of the Kundalini, the coiled up serpent waiting to spring. It controls the horizontal section of the body from just below the buttocks to a point just above the sexual organs; excretion and digestion of food.
We must balance this chakra before moving on to the others. Otherwise our growth will be without roots, i.e., ungrounded