In the world of strength training, few techniques are as powerful—or as misunderstood—as the Valsalva manoeuvre. This breath-holding technique is frequently used in resistance training to create intra-abdominal pressure (IAP) and support the spine under load.

But while it's hailed by some experts as a vital performance tool, others warn that in women—especially those postpartum or with pelvic floor dysfunction—it can backfire.

So, what’s the truth? Let’s explore both sides.