Today was a great morning. Why? Because when I was at the gym for a couple of sessions the gym was hopping.And I don't mean the cardio side of the gym which is normally busy but the weight room side. This brings a smile to my face as it makes me feel the message is starting to get out there to the masses that intense resistance-based workouts is the way to go for weight loss, sports performance or general fitness. Period.While part of the crowd had to do with it being a Monday morning in January it was still encouraging to see a shift in training approaches taking place.So what about the rest of the people there? Why are there still so many cardio kings & queens? Well part of it is mis-information and believing that cardio will yield the best return on their investment. But part of it has to do with intimidation. Or not knowing what load to use.You see many people would rather go to the gym and feel productive by walking/running on the treadmill than to venture over to the weight room side and feel lost.So how can you feel confident and safe when selecting your weights for your training session? Here are 4 rules.Rule #1 On Selecting the Correct Weight - Consider the muscles doing the workIf the first thing you can answer is what part of the body you will be working or what movements you will be performing you will do a better job at choosing the correct weight. For examplen if you were performing a squatting exercise you will be able to handle a heavier load than an exercise for the triceps. Duh, right?You'd be surprised though to see the number of people that use the same dumbbell to squat with and then go straight into a...