What mistakes to avoid when working with weights (bars, dumbbell, cables)?

First, the equipment specified, bars / dumbbell / cables have different characteristics and they themselves must be used properly planned specific times.

But when using note the speed of execution ... repeats that appears to be little control over the actions are to be avoided, so as to avoid the acceleration with the respective loads, because in addition to shorten the time of muscle tension will affect muscle participation of the joint to be challenged, also represented a risk to their health articulate not tolerate those same accelerations.

So, choose slow, controlled movements, do not let the weights hit or make a lot of noise, it's a bad sign when this happens. A simple statement is that when quieter for the implementation of the most effective exercise is the same.

Good workouts!