Add this concentration curl 4sets 12/14 repetitions each set in the same posture and technique as shown in the video, take 90 seconds rest in between set and repeat. You can keep increasing weight in every set according to your lifting capacity otherwise, do all sets on same weight or as per your capacity. . . . . . . #bicep #gym #fitness #biceps #bodybuilding #muscle #workout #fitnessmotivation #gymmotivation #fit #bicepworkout #abs #bicepsworkout #motivation #triceps #tricep #bodybuilder #arms