Karl Knopf
Karl Knopf has written at least 5 books. Their most popular book is Weights for 50+ with 1 save with an average rating of -⭐.
 Weights for 50+
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 Foam Roller Workbook: Illustrated Step-by-Step Guide to Stretching, Strengthening and Rehabilitative Techniques
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 Core Strength for 50+ Core Strength for 50+: A Customized Program for Safely Toning Ab, Back & Oblique Muscles
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 Total Sports Conditioning for Athletes 50+
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 Heal Your Frozen Shoulder Heal Your Frozen Shoulder: An At-Home Rehab Program to End Pain and Regain Range of Motion
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