tailbone under to flatten your lower spine. Once you feel the stretch, gently press into the chair or ball with your foot for five seconds before relaxing and moving further into the stretch. Repeat three to five times. Lumbar ErectorsLie flat on your back
and glutes and strengthen your lats, psoas, quadriceps and lumbar erectors.What to doImproving your core stability has two components; we've put the exercises on separate pages:StretchesStrengtheningContactFor more details of corrective exercise programming
