Main content
How does Usain Bolt run so fast?
"Elite sprinters don't swing their legs any faster than recreational runners," says Dr Sam Allen of Loughborough University, so why can't we run as fast as Usain Bolt? David Rhodes finds out.
First broadcast on More or Less, 28 August 2015.
Duration:
This clip is from
More clips from Radio 4 in Four
-
![]()
The growing trend of visible repairing
Duration: 07:05
-
![]()
How much energy do Christmas lights use up?
Duration: 07:16
-
![]()
What are the trends for 2022?
Duration: 05:38
-
![]()
Is a plastic Christmas tree better for the environment?
Duration: 07:10
