For quadruped extension abdominal exercises it is important to maintain a neutral cervical posture. Learn how to do quadruped extensions to strengthen ab muscles with tips from a fitness trainer in this free core exercise video.
Expert: Carol Childers
Bio: Carole Childers has been a physical fitness trainer for 23 years. She is experienced in yoga, pilates, sports conditioning, core strength training and nutrition.
Filmmaker: Reel Media LLC
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