Machine exercises are not so effective than Free weight exercises. Machines make the exercises easier to perform basically you don’t have to balance the weight or anything all the work the machine does for you, you will get less muscle stimulation from machine exercises because they do not require the same concentration or effort as free weight exercises. Free weights have a greater ability to involve stabilizer muscles than machines.
The majority of exercises you do should be mainly free weight. It doesn’t mean that you shouldn’t use the machines at all. They are easy to learn and there is a low risk of injury, which is great for people who are just starting out or for rehabilitation purposes, Exercise machines were invented to make exercising easier, more convenient. Free weights involve more muscle fibers and more contractions.
Walk into any gym you’ll see a both free weights and machines for various strength training exercise. Some uses just free weights while some go from machine to machine to get their pump, and some use a combination of both to optimize their physique.
Weight Machines: Most machine are normally easier to use because they have a picture indicating the same. This makes it easy to use on their own or with other machines to create your own circuit.
Also isolate muscle groups more efficiently since most of your body is pretty stable on most machines (balance). You are able to target the larger muscle groups more effectively. This is beneficial to those who have a really good foundation and are looking to improve their physique. This can be the preferred method for some bodybuilder types.
It also allows you to train with heavier weights without any assistance, if you are not much experienced with proper methods while using free weights, it may be difficult to add resistance. Some machines will allow you to put on extra weight without risk of injury. This may also be useful if you are pressing or squatting without a partner or spotter.
Free Weights: basically free-weights and body-weight exercises have greater carryover to what you do in real life such as daily activities. You have the freedom to move freely than being closed into a specific range of motion. This allows your body to do what it is naturally built to do.
Using free weights will not only activate more synergistic stabilizing muscles but while you are training it will help to keep your joints healthy in the long run. Learning how to train with free-weights or body weight allows you to literally train anywhere since machines aren’t always available. Free weights are the way to go if you don’t have access to a gym since they are much less expensive than machines.
Limited time to train and want to get a lot accomplished with few exercises then free-weights are the way to go.
Using machines for isolation exercises and free weights on compound lifts definitely a big help in planning workouts.
So choose wisely live well.