https://tube.blueben.net/videos/watch/7b1ab0aa-1f5e-4e9a-9f54-c70cc5455584 Why You Grunt When Lifting Why do you grunt when lifting something heavy? Your vocal cords briefly close, trapping air as your core tightens. This Valsalva manoeuvre increases pressure inside your torso, helping stabilize your spine during the lift. Fri, 23 Oct 2026 06:30:21 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.blueben.net https://tube.blueben.net/client/assets/images/icons/icon-96x96.png https://tube.blueben.net/videos/watch/7b1ab0aa-1f5e-4e9a-9f54-c70cc5455584 All rights reserved, unless otherwise specified in the terms specified at https://tube.blueben.net/about and potential licenses granted by each content's rightholder.