Developing these important muscles will allow us to stay injury free and actually lift more weight and so maximize our muscle development.
For bodybuilding and mass gaining constant resistance technology can be very effective.
Constant resistance devices are things like free weights or pulley machines where the wheel is round so it gives even resistance.
One of the disadvantages of this type of equipment is that it does not correct for differences if biomechanical leverage changes.
Also for everyday people, this type of resistance training has a disadvantage.
For deconditioned people or first time exercisers this may be dangerous even with light loads.