These Exercises are Meant to Strengthen the Lumbar Region. Weakness in the Abdominal Muscles and Lower Back Muscles Cause Back Pain or Sciatica,which is Accompanied by Shooting Pain Along the Sciatic Nerve ,Along One or Both Legs. These Exercises are not Suited for Everyone, Please Consult Your Physician Before Trying any of these Poses.Please Don't Push Yourself,Listen to Your Body,the Key Word is "NO PAIN",Only do one or Two Repetitions,Until You Feel Comfortable to add More Repetitions.