There are structures in the neck can cause neck related headaches, most commonly problems with the discs or facet joints of the upper and middle part neck are often involved with injury, arthritis and postural stress, while muscle strain may add to the overall pain. -- 2015-08-14 (金) 02:43:38
Neck cracking is usually associated with pain. There are loads of individuals who experience neck cracking feeling in their day to day lives. Basically, our neck contains many muscles and bones which make head movement a cake walk for us. When an individual cracks his head it releases fluid or gas within the joints surrounding the neck area. The immediate production of temporary vacuum which is filled by gas causes the cracking sound. -- 2015-08-14 (金) 02:51:14