Sit-Up Workout What Muscles
Sit-Up Workout What Muscles . They work the chest, triceps, and shoulders, and can help to. According to this study, it is one of the most effective muscle and core strength. The 10 Worst Ab Exercises That Waste Your Time and Kill Your Spine from yurielkaim.com They work the chest, triceps, and shoulders, and can help to. Place the tips of your fingers on either side of your head. The sit up is a classic abdominal exercise.