Weekly stretches are vital to break any Lactic acid to keep healthy shoulders, however if you have shoulders pain then more frequent stretches are required to recover quickly.
Daily knee stretches are vital if you have job which involves knee movements such as walking, standing up, going up and down or play sport such as football, basketball, squash and running to keep the knee muscles, joints and ligaments in healthy state and avoid knee pain.
Daily neck stretches are vital if you have office job as muscles tightness will be building up because of the head posture and stress from work. Stretches are recommended every few hours.
Daily lower back stretches are vital to break the lactic acid of your lower back if you have stiffness, also doing these stretches four time a week are vital to avoid lower back pain as lower back muscles are working 24/7 to keep our spine straight.