Platinum XT 1000 One issue that crops up for many bodybuilders is that different muscle groups grow unevenly. Bodybuilders often use fill sets to correct this problem. A fill set is a short set focusing on your weak groups of muscles you can do a few days after working hard on this same groupPlatinum XT 1000 It is acceptable to cheat a little when lifting. If you need to use a bit of your body to get those last couple of reps in, it's okay. In fact, this is a great way to increase your workout.https://www.youtube.com/watch?v=bwkLegIa4tA

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