doing legs is very important, however, if you are already involved in a very physical sport that uses legs, plus you do 30 min. of cardio almost every day using an incline, you can get away with not doing legs as a designated day. as I said, have one day for each of biceps, triceps, shoulders, and chest. The reason I do not include back in these days is that when I do shoulders and triceps I do exercies that hit the back as a secondary target muscle. HOwever, if you are trying to get into bodybuilding seriously you will need to include specific back and leg exercises into your split. good luck...any questions, pm me!
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