Hey,In this video Dwayne the rock Johnson is performing all effective and his favourite back exercises.So watch this video till the end then you can see all his favourite back exercises and you will be motivated through this video.So enjoy this video till the end and don't forget to share, like and subscribe for more motivational videos.#bodybuilding#motivation #fitness #dwaynejohnson #dwaynejohnsonworkout #therock#therockworkout#dwaynetherockjohnsonworkout#bodybuilders #back #backday #backworkout #backworkoutmotivation #biggestbodybuilder #motivationalvideos #bulking #americanactor #americanbodybuilder #exwrestler #DAJMOTIVATION