'The Single BEST Abs Exercise (Scientifically Proven)'

05:16 Mar 20, 2023
'http://nicktumminello.com/2011/03/the-single-best-abs-exercise-scientifically-proven/ - Baltimore Personal Trainer: Coach Nick Tumminello shows you the single best abs exercise proven by research.' 

Tags: core workout , abs workout , best abs exercise , best core exercise , swiss ball abs , fit ball abs

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