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.
The hamstring muscles may be considered extensors of the thigh. The biceps femoris muscle is important for knee flexion, internal and external rotation, and hip extension. Pain in the biceps femoris can be caused by several reasons.The most common condition is a strained muscle caused by improper lifting or too much exercise.he biceps femoris muscle is important for knee flexion, internal and external rotation, and hip extension.