Another hypothesis about orbs is that they are not the spirit at all, but rather energy being transferred to a spirit. Suppose that a spirit is hanging out near a power source, be that a person, a powerline, a warm fireplace, or something else.ut you still haven't explained how orbs have been seen on photos that have been taken without a flash, and orbs that have been seen without a camera at all. If you haven't got an explanation that's ok.
Feeling the Burn. When you start working out your legs, whether it's intense walking or using the leg press machine, your body starts converting glucose, or glycogen, into lactic acid inside your muscles. The muscle cells use lactic acid as fuel, as well as adenosine triphosphate.
A SCAI answered. For many people, the first sign of peripheral artery disease, or PAD, is tightness, heaviness, cramping, pain or weakness in their legs while they are walking or being active. Other people describe an aching, burning sensation in their muscles, but not in their joints.