Push-ups are a great way to build strength in your core and upper body. Learn more about how to increase the number of push-ups you can do.
More push-ups may mean less risk of heart problems - Harvard Health
7 Benefits of Push-Ups, According to Fitness Trainers
Video: Modified pushup - Mayo Clinic
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How to Do More Push Ups for Your Fitness Test
Push-up test: Home fitness tests
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Push-Up Test / Press Up Test
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30-Day Pushup Challenge to Build Chest Strength and Endurance
How To Do A Modified Push-Up
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