The Biomechanics of Usain Bolt

What country is Usain Bolt from?

Which competition do they talk about in the video?

• 50 meter sprint

• 100 meter sprint

• 200 meter sprint

• 500 meter sprint

Why are mechanical engineers intrigued by bolt?

• his attitude

• his speed

• his biomechanics

• his physiology

Which 2 things does Usain Bolt have that make him unique?

• Top speed

• Top force

• Top mass

• Top acceleration

Why does bolt need more strength than other runners?

• Because his feet are larger

• Because that's what it takes to win

• Because of the shape of his muscles

• Because he has more mass

Normally sprinters take 44 steps, how many steps does Usain Bolt take?

True or False? Bolt loves to lift weights (faire la musculation) to get stronger?

• true

• false

How many muscles does Bolt use when he is running?

• 4

• 20

• 30

• 40

Name ONE of the two phases of running that the video talks about.

Which muscle(s) does the video talk about?

• Quadriceps

• Calves

• Hamstrings

• All of these