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Physique athletes have always been proponents of isolation exercises. Then CrossFit came along and added three more joints to every exercise. Which way is better? A study published in the Asian Journal of Sports Medicine tried to find out. Scientists took two different groups of untrained subjects and put them through 10 weeks of the same workouts. The only difference was that one group did standing biceps curls for their upper arms while the other group substituted lat pulldowns for the curls. By the end of the study, the two groups experienced nearly the same increases in the strength and size of their biceps. While this doesn’t exactly solve the argument, it does show that a variety of stimulus can be used to trigger growth within muscle groups. A second point is you can get an effective workout in any gym with just about any type of equipment.

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