The one arm chin up one of the best and most hard core bodyweight exercises.

The one arm chin up one of the best and most hard core bodyweight exercises.: "The one armed chin-up is one of only a handful of bodyweight exercises that get a 10 for difficulty rating by unique bodyweight exercises. It is without doubt a daunting challenge and can take many months or several years to master but at the same time, it is also one of the most impressive physical feats you can achieve and if you do nail it, you can take comfort in the fact that you will be part of an elite group as only one person in every one hundred thousand can manage it. "

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