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.
Deep Neck Flexor Exercises. The deep neck flexors can be activated by a simple nodding movement of the head on the neck called a chin-tuck. The tucking the chin activates the deep flexor muscles and moves the chin closer to the âAdamâs appleâ (Thyroid cartilage).eep Neck Flexor Exercises. The deep neck flexors can be activated by a simple nodding movement of the head on the neck called a chin-tuck. The tucking the chin activates the deep flexor muscles and moves the chin closer to the âAdamâs appleâ (Thyroid cartilage).