Neck pain may arise due to muscular tightness in both the neck and upper back, or pinching of the nerves emanating from the cervical vertebrae. en.wikipedia.org Try the hydration test by pinching the skin on the back of your hand; if it doesn't spring back fast, you're dehydrated. ...
Neck-Pinching of $CP^1$-structures in the PSL(2,C)-character variety Let S be a closed oriented surface of genus at least two. We consider a path of $CP^1$-structures $C_t$ on S leaving every compact subset in the deformation space of (marked) $CP^1$-structures on S, such tha...
known as the peripheral nerves. This pressure can irritate or damage the nerves, and result in pain, numbness or just an uncomfortable feeling. Pinched nerves are most often associated with back and neck injuries, although any nerve in the body can be affected. ...