Superman 4 Jan Written by Georgie Spurling Strengthen and stretch the entire length of the spine. Contract all the back and glute muscles to create a strong centre. Georgie Spurling Previous Previous Lying down rows Next Next Scapula Engage
Superman 4 Jan Written by Georgie Spurling Strengthen and stretch the entire length of the spine. Contract all the back and glute muscles to create a strong centre. Georgie Spurling
