Free weights cost less money. People have used free weights on a weight bench and have not used a spotter. The free weights have fallen on them and killed them. A universal machine is more expensive. You can not drop a universal machine on yourself.
The only difference between a Bowflex machine and free weights are wires. The Bowflex machine uses weight resisting wires to increase your weight. With free weights you are using your own muscle to rely on.
Free weights cost less money. People have used free weights on a weight bench and have not used a spotter. The free weights have fallen on them and killed them. A universal machine is more expensive. You can not drop a universal machine on yourself.
Yes there are differences between machine and free weight training . Here are a couple of sites that will help you with this www.nsca-lift.org/HotTopic/.../Machine%20vs%20Free%20Weights...., and www.livestrong.com/.../84894-difference-between-machine-weights-...
Free weights.
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The metal free weights are made from cast iron.
One of the biggest differences between the 1700 and the Elite is that the 1700 gives you a weight bar that allows you to add up to 75 pounds of additional free weights to increase your workout. The weights are sold separately but that's a nice feature especially for people who like the feeling of using weights.
you can lift the same weights on a cable system as with free weights (usually). the difference is that free weights are able to target specific muscles where are with cables you don't really have this option (it is sort of possible but not as effective). a cable system is good for a beginner as it allows you to use stabilising muscles and is less likely to cause injury.
There is no difference.
Using machines provides more structure when working out while free weights provide more function. There are more exercises that can be done while using free weights that cannot be done with the machines. You can do dead lifts or squat-to-overhead press lifts while using free weights that cannot be done while using a machine thus working out more muscles overall.
Are called Free Weights