Carbon shoe plates don't spring. They just stop your toes from bending.

The wild physics of the modern running shoe

Chapter 1

The bubble wrap under your feet

Chapter 2

The secret curved plate

Chapter 3

The battle for grip

Chapter 4

The speed ban

YOUR GOAL

Master of The wild physics of the modern running shoe

Ch 2 · The secret curved plate
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nike The Carbon Fiber Plate

It keeps your toes from bending when you stride, And turns the road into a rocket ride.

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Carbon shoe plates don't spring. They just stop your toes from bending.

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The danger of being far too stiff

nike A diagram shows calf muscles and Achilles tendons straining against a stiff plate.

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How to act like a human catapult

nike A glowing cutaway of a running shoe reveals the curved plate flexing mid-stride.

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Fun Fact

Carbon plates: Carbon-fiber plates don't actually spring on their own; they only work by stabilizing the foam and saving your muscle energy.

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Gossip

Would you wear stiff carbon shoes?

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Quiz

Which bone group in the human foot do the Adidas EnergyRods align with?

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Quiz

What metabolic benefit does a rigid carbon plate provide by keeping a runner's toes flat?

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Quiz

What shape is the carbon-fiber plate embedded inside modern super shoes?

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Quiz

True or False: A carbon-fiber plate generates its own energy to push a runner forward.

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Quiz

Which shoe, released in 2017, popularized the use of curved carbon-fiber plates in marathon racing?

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Quiz

Instead of a single solid plate, what did Adidas embed in their 2020 racing shoes to mimic foot anatomy?

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Quiz

What is the mechanical rolling motion caused by curved carbon plates called?

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Quiz

What can happen to a runner if their shoe's carbon-fiber plate is engineered to be too rigid?

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