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.
Shoulder Flexion. Muscle contractions exert a pulling force on the bones they connect. The location of your anterior deltoids puts them in an ideal position to aid with shoulder flexion, which is lifting your upper arm forward toward the side of your face.houlder Abduction. Shoulder abduction describes raising the upper arm outward from the side of the body, such as when you put your arms out to form a T-shape. This movement is accomplished through the action of your anterior and lateral deltoids along with the pectoralis major and supraspinatus muscles.