Side bending and spinal twisting will help you stretch your erector spinae and spinalis muscles.
You can bend (flex) forward and touch your toes. Bend backwards (extension) or bend the spine left and then right (lateral bending) or rotate the entire body towards the left and to the right without moving your feet. http://erectorspinaegroup.weebly.com/primary-function-of-muscle.html
Erector spinae
The erector spinae
Erector spinae
Erector spinae muscles
Erector Spinae
yes
a muscle
in your back.
The erector spinae
The erector spinae
Erector Spinae
erector spinae