It seems that is is common that when we are lifting weights that we as humans tend to hold our breath especially if we are a beginner. What is the benefit even if it’s only a few seconds?
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When you lift weights you subconsciously tend to do what is called a Valsalva maneuver, that is pushing to exhale while keeping your throat closed. This has a lot of physiologic effects that are not useful. For example the pressure you feel in your eyes and ears is exactly that, an added pressure to the upper part of your body that gets added to your blood pressure stressing your heart valves and arteries. It also slows your heart down and diminishes the amount of blood reaching your brain and can lead to fainting.
Professional athletes choose to groan, scream, exhale during maximal effort and so should you.
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