Radio 4 in Four - How does the human body sprint? - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - How does the human body sprint? - ÃÛÑ¿´«Ã½ Sounds
How does the human body sprint?
What happens to Usain Bolt's body as he runs at such a high speed.
What happens to Usain Bolt's body as he runs at such a high speed.