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intermediate
strength
reps
The ab rollout on knees exercise works the abs, lower back and arm muscles and is the proper version of an ab roller workout. Steps : 1.) Start off placing a barbell on the floor in front of you and kneeling in front of the bar, gripping it with a shoulder-width overhand grip. 2.) With a slow controlled motion, roll the bar out so that your back is straight, bend your knees and keep your feet off the floor. 3.) Keep your arms straight throughout the exercise. 4.) Roll back up bring the bar under your shoulders and return to the starting position. 5.) Repeat for as many reps and sets as desired.
Shoulders
Alternative Abs Exercises