This document discusses back exercises for preventing and relieving back pain. It begins by explaining that back pain is very common and often caused by muscle spasms from awkward movements. It recommends regularly doing back strengthening and stretching exercises 2-3 times per week to prevent back pain. The document then describes 12 specific back exercises, including stretches like pelvic tilts and hamstring stretches and strengthening moves like pelvic lifts and partial sit-ups. It provides instructions for properly doing each exercise and concludes by recommending a 15-30 minute back exercise routine 2-3 times per week combined with aerobic activity.