Main content
Why do weightlifters grunt?
What's the Valsalva manoeuvre and why's it important? Sports physiologist Dr Mitch Lomax explains the benefits and dangers of grunting whilst lifting heavy weights or playing tennis.
(Photo: Muscular athlete lifting heavy weights. Credit: Getty Images)
Duration:
This clip is from
More clips from CrowdScience
-
![]()
Why are our memories so unreliable?
Duration: 02:11
-
![]()
Why mushrooms glow green
Duration: 02:05
-
![]()
What was the Moon like at its birth?
Duration: 01:52
-
![]()
Do girls or boys mature faster?
Duration: 01:12
