To properly prepare your muscles, tendons, ligaments and joints for the workout to follow you need to always include a warm up period at the beginning of your workout routine. The warm up also prepares your heart gradually for an increase in activity and reduces the chance of injuries. http://www.spotebi.com/workout-routines/upper-body-workout-routine-for-beginners/
Yoga is one of the best ways to remedy the pain, tightness or soreness that shows up in in our back, especially the low back. The poses chosen for this workout are specifically designed to flex and extend the spine as well as gently twist for a finishing touch of relief!