'Machine #1 of our 20 Minute Fit Fix is the Lower Back Extension Machine, which helps work the lower back muscles.   Visit goodlifefitness.com/gettingstarted for more helpful tips for beginners and other instructional videos.' 

Tags: muscles , 20 minute , extension , lower back , goodlife fitness , fit fix

See also: lookbook , comedy , fast � , lean , easy meal prep , Green Community , yt , pilates workout , musculation , squat

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