Why do weightlifters hold their breath?

Answer: Creates core stability

Prevents muscle shaking — Wrong. Breath-holding doesn't prevent shaking. It creates intra-abdominal pressure to stabilize the spine during heavy lifts.

Reduces heart rate — Wrong. Holding breath during exertion actually temporarily raises heart rate and blood pressure. The benefit is spinal stability, not cardiovascular.

Creates core stability ✓ — Correct! Holding breath while bracing your core creates intra-abdominal pressure—like inflating a balloon in your torso. This stiffens your spine, preventing injury during maximum lifts. It's called the Valsalva maneuver!