Wow! Little Or No Results From Your Workouts? Words Of Wisdom From A Personal Trainer: Are You Wasting Your Time Working Out?

The following article makes an excellent case for working out under the advice of personal trainers who know your specific issues, at least initially

The main points are as follows:

The four most common mistakes I see people make are:

1.Using the least effective type of exercise: regular cardio
2.Too much cardio and not enough resistance training
3.Doing too many sets per exercise
4.Lifting a weight too fast

Here's the article:
Personal Trainer Says: Most People are Wasting Their Time Working Out