Free Weights vs. Weight Machines

Free Weights
Weight Machines

Free weights are cheaper, burn more calories and exercise a wider range of muscles in the body. On the other hand, weight machines provide more support, are therefore less risky and better for physical therapy. Free weights can be moved freely, such as a dumbbell, barbell, pulley system, medicine ball, ankle weight, or low-row device. Weight machines, on the other hand, are usually only capable of moving in two directions, and include the pec deck.

Comparison chart

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Free Weights

User Rating (7):
Free Weights

Weight Machines

User Rating (6):
Weight Machines
Versatility Free weights are more versatile compared with weight machines. Resistance machines are less versatile than free weights.
Suitable for beginners No Yes
Build structure Yes Yes
Develop full muscle function Yes No
Injury risk Free weights carry a higher injury risk compared with resistance machines. There is a lower risk of injury with weight machines compared with free weights.
Burning calories Free weights burn more calories compared with machines. Exercising using weight machines burns fewer calories compared with free weights.

Contents: Free Weights vs Weight Machines

edit Body Building

Free weights are the better option for building both function and structure, i.e., building visible muscle and creating additional strength. They allow the body to work naturally and are flexible enough for the user to focus on their weaknesses.

Machine weights are able to isolate certain muscles better, and so are good for structural bodybuilding. Resistance machines are also a good choice for beginners because they are supportive, easy to use and save time.

edit Injury Risk

Free weights carry a greater risk of injury, since there is no fixed path for the user, which can lead to misuse and injury. There’s also the risk of dropping the weights. Those using free weights should always work out with a friend or have a “spotter” to assist when working with heavy free weights. Free weight exercise also puts strain on your joints and connective tissues, meaning that correct technique is vital to prevent injury.

As machine weights guide the user, there is less risk of injury, and no need for a spotter. However, because they are designed for the “typical” user, they can force you to move through a harmful range of motion. They can also contribute to injury because they develop superficial muscles but do not develop stabilizer muscles, ligaments and tendons.

edit Calorie Burning

Machine weights offer more support to the user, so they use fewer muscle groups and burn fewer calories. This means they are less effective for weight loss.

edit Cost

Free weights are significantly cheaper than machine weights. Sporting stores sell free weights by the pound, and they can cost between 10 cents and $1 per pound. Machines can cost from between $600 and several thousand. They are also less space efficient, and several machines are needed to gain a full workout.

edit Physical Therapy Applications

Machine weights are preferable for physical therapy, as they offer the most support. They can be good for people who are confined to wheelchairs or suffer from multiple sclerosis.

edit References

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