If you stand a lot, you may be experiencing back pain. One way to try and end the pain is to try unlocking your knees while you stand. This process of slightly bending your knees whenever you stand, will take the pressure off your back. The pressure will be placed where it is supposed to be when you stand; on your muscles of your legs. This little process of just slightly bending your knees will do wonders to help your back.
Different chakra energies provide different types of experiences. You can train yourself to cultivate and use these subtle energies for more diverse purposes.
QiCultivation.com - Information on using the tools and methods to better sense subtle, spiritual energies, as well as receive and interpret the messages, and use/direct those energies.
AnotherQ.com - Personal experiences with subtle, spiritual energy.
QigongByQuist.com - Using Qi and subtle energies to help you maintain your health and wellness.
Quesak.com - Spirituality
QibyQ - Directing subtle energies to help the earth and humanity