'ZUU creator Nathan Helberg demonstrates ZUU training for increasing functional strength through full range of motion.'
Tags: fitness , strength , training , bodyweight , functional , zuu , Nathan Helberg
See also: abdomen , Uptown , aer , vari , quemar grasa , पेट क� चर्ब� कम करने क� exercise , Dr. , school , personal , zgrabne ciało
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