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 Action: Shoulder flexion. 2  Nerves: Axillary, medial and lateral pectoral, and musculocutaneous. 3  Skeletal muscles: Deltoid, pectoralis major, long head of the biceps brachii, and coracobrachialis.  Cutaneous distribution: None except for the axillary and musculocutaneous nerves.