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.
1 Aching or burning sensation in the muscles (not the joints) of your legs or arms, such as when walking up a hill or doing repetitive arm exercises, such as hanging up laundry. The sensation stops after you've taken a short break.  Legs feel tired or heavy.