Dennis Austin shared best practices in the 40s 50s 60s and beyond

Whether you remember the aerobics era of the 80s or today's health and wellness Instagram page, personal trainer Denise Austin has been a hot figure in the fitness world. Today, Austin's focus on the industry has shifted to women in their 40s and older.

How to tighten the lower abdomen. (Source: Denise Austin HLB)
  1. Hands under the hips, palms down, supine. This will help you keep your back flat.
  2. Lift your legs off the floor and gently bend them through the ankles.
  3. Exhale, contract the abdominal muscles, pull the knees to the chest, and let them bend all the time.
  4. Your tailbone can only be lifted a few inches from the ground.
  5. Performance 8 to 12 times, a total of 2 times.

If you have a back problem, put a pillow on the lower back for extra comfort.