Peak Test Extreme Stretching after a workout will help to repair muscles and decrease any muscle soreness. Holding stretches for thirty seconds will be sufficient for younger exercisers under the age of forty. A person that is over 40 years old needs to hold each stretch for a minimum of sixty seconds. Following these guidelines will help prevent injuries after muscle-building exercises.Peak Test Extreme Make sure that you are using your brain when performing squats. Choose a point on the back that is centered between the traps and lower the bar there. Doing this puts more pressure on your glutes, hamstrings and hips, which means you can squat with weight amounts superior to what you might have done otherwise.