The Complete Book Of Core Training: The Definitive Resource For Shaping And Strengthening The 'Core' The Muscles Of The Abdomen, Butt, Hips, And Lo By Brungardt, Kurt Brungardt, Brett Brungardt, Mike By Thriftbooks
5Minute Core Exercises For Seniors: Easy And Effective Workouts To Relieve Back Pain, Enhance Balance, And Posture Without Getting Down On The Floor (Workout Books) By Michael Smith By Thriftbooks
Core Exercises For Seniors: Boost Energy, Build Balance, Strength And Confidence For Active Aging After 60 By Thompson, Baz Lynch, Britney By Thriftbooks