molecule. 1  Chemistry, Physics. the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound. 2  Chemistry. a quantity of a substance, the weight of which, measured in any chosen unit, is numerically equal to the molecular weight; gram molecule.
When I do crunches my neck starts to tighten up and it makes me have to rest before doing another set of crunches.
Surfing the internet for answers about neck clicking is scaryâ¦ Doctors will tell us we might have osteoarthritis (OA). Or we might have the REALLY scary sounding Cervical Osteoarthritis (a.k.a. Cervical Spondylosis). But my research tells me this is a simple muscle tension problem. It is not a bone problem. And it is not arthritis in the neck. I found the remedy for neck cracking is easy to fixâ¦ This video demonstrates how to end neck grinding and end neck clicking from home: A few observations and warnings: Move soft and slow when trying these neck exercises for the first time. 1  After 3 days of trying this out, my brain fog has decreased almost 100%! 2  I no longer wake up in the middle of the night to pee. 3  My neck range of motion continues to increase day after day.