Physiogain on Instagram: "Holding your breath during heavy lifts is called the Valsalva maneuver It increases pressure inside the chest and abdomen This pressure helps ✔️ stabilize the spine ✔️ improve force transfer during heavy loads But it also causes ⚠️ a rapid rise in blood pressure ⚠️ reduced blood flow to the brain (briefly) That’s why some people feel • dizziness • light-headedness • or even pass out For most healthy lifters short, controlled use can be helpful But prolonged or uncontrol