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Hi MFT, I was wondering how many muscle groups are there and how many times a week should each bodypart should be trained. I've been hearing many peoples give different opinions of how many muscle groups are there.

Some say they are: Chest, Back, Shoulders, Legs, Arms, Abs or Chest, Back, Shoulders, Legs, Arms,Legs, Abs, Forearms, Calves, and sometimes the Glutes because it's a muscle as well.

From what I know the big muscle groups are: Chest, Back, Shoulders, and Legs. I'm assuming the small muscle groups are: Biceps, Triceps, Abs, Calves, Forearms, Glutes.