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Nicolas
@calisthenics
If you are working to get a strong back and get better at pull ups, this is for you! Everyone thinks of dynamic training with reps and sets… …but don’t forget the importance of isometric training to increase your workout results! Here is how to do it! https://www.onlinecalisthenics.com/blog/How%20to%20Start%20Calisthenics:%20Isometric%20Holds%20for%20Upper%20Body%20Strength
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