I believe that machines can be an excellent alternative to free weights. Some guys would have you believe that free weights emmit some kind of special hormone that makes you bigger!
The truth is that weight is weight whether it’s free, on a machine or a bucket of cement. The key difference is that free weights require you to stabilize the weight. This in turn is why people respond faster to free weight exercises than machines. The more muscle that is required to move a given weight the more stimulus that is applied.
Machines on the other hand can allow you to perform many different angles and better isolate a muscle group. Why do you think that when you bench a barbell your whole upper body hurts yet when you machine bench your chest primarilary hurts. This is the stabilization factor.
I am sure when you first tried squatting or benching that your form was horrible and you were weak. But as you practiced you became better and stronger. You not only became stronger because of conditioning but also because of a learned response in your brain.
As lifting and form became more habit than thought based this allowed more energy and concentration to be added to the actual weight being moved.
In simple terms as seen on Testogen reviews. Habit requires less thought. Less thought given to moving a given object with good form equates to more focus on amount of weight that can be moved with the same amount of effort.
Machines take this factor away that is why it is wise to start with free weights when young to build up stablelizing muscles and increase size as quickly as possible.
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