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.
Muscles Used. The primary muscles involved in lateral flexion of the torso are the internal and external obliques, the quadratus lumborum and the erector spinae. Other muscles -- including the rectus abdominis, iliopsoas and semispinalis -- assist with the movement.he primary muscles involved in lateral flexion of the torso are the internal and external obliques, the quadratus lumborum and the erector spinae.