time under tension training videos

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'BACK & BICEPS WORKOUT | GET BETTER RESULTS WITH TIME UNDER TENSION!'
'BACK & BICEPS WORKOUT | GET BETTER RESULTS WITH TIME UNDER TENSION!' 04:54 Dec 11, 2023
'What is Time under Tension? Full Upper Body Blasting Workout!'
'What is Time under Tension? Full Upper Body Blasting Workout!' 15:05 Nov 5, 2023