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.
There are more than a dozen muscles that maneuver the hip through extension and flexion. But rather than all the hip muscles firing at once to both extend and flex the hip, the muscles that contract in flexion, during which the extensors relax, are relaxed during extension while the extensors contract.Flexion occurs when the angle between articulating bones decreases, like when you flex your biceps.ut rather than all the hip muscles firing at once to both extend and flex the hip, the muscles that contract in flexion, during which the extensors relax, are relaxed during extension while the extensors contract.