A machine will basically always hit certain muscles, not due to you but down to how the machine is made. However free weights allow you to hit a larger variation of muscles as it's not isolated.
It's best to use both as you will not be able to perform some workouts on a machine and visa versa. Remember to change up your workout every 6 weeks.
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.
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-...
It then is: 400g-380g = 20g
The answer depends upon the type of machine you are referring to. There are certain kinds of "universal" machines that have actual weight stacks designed to enable trainees to do a multitude of exercises using one machine. .
footballer plays football and a weightlifter lifts weights.
The difference.
Machine weights require little or no maintenance at all.
Women
Both lifts and cranes are used for same purpose, which is load lifting. The difference between lift and crane is the way they lift load. Lifts carry weights from the bottom and move upwards while cranes pull weights from bottom to top.
The Body Solid EXM1500S matches up quality wise with the BodyIron Machine weights.
As this particular seated rowing machine employs free-weights, it is easily adjustable by removing and replacing the weights mounted upon the machine