Make sure your shoulder blades and back of the head are the foundation that keeps you and tuck the chin to the sternum to avoid creating tension in the neck. Stay few seconds, Blackcore Edge Max then slowly return to starting position. Repeat this stretching exercise back 3 or 4 times. Stretching the hamstringsIn parallel with stretching exercises and those to tone your back , also stretch your hamstrings . These three muscles located in the back of the thigh (from the hip to the back of the tibia and fibula below the knee) have as main role the knee flexion and allow to bring the leg back when you are standing.
These muscles are often related to back pain because too steep, they limit the hip flexion , forcing compensation to the lumbar spine.