An impression of having seen or experienced something before: Old-timers watched the stock-market crash with a distinct sense of dÃ©jÃ  vu. b. Dull familiarity; monotony: the dÃ©jÃ  vu of the tabloid headlines.
Lateral Neck Flexion Stretch. Lateral neck flexion stretch targets the upper trapezius muscle. This stretch can be very useful for people who suffer from tight, aching muscles in the upper back and neck, such as those who work at a computer.his stretch can be very useful for people who suffer from tight, aching muscles in the upper back and neck, such as those who work at a computer.
1 Muscle tightness can also cause neck pain. Gently stretch your neck to ease the tension in the neck muscles. Exercise the weak neck muscles to improve the blood flow in this area and relieve pain.  Sternocleidomastoid (SCM) Exercise - The SCM is the large muscle at each side of the neck that causes much pain.