Crutches

device · 2800 BC · Ancient world

Supports for walking.

What it is made of

• Crutch uprights — has part. Two uprights.
• Crutch underarm pad — has part. A padded crossbar.
• Crutch handgrip — has part. A grip for the hand.
• Rubber crutch tip — has part. It prevents slipping.

Principles and materials it uses

• Lever — uses. A support.
• Wood — is made of. Crutches are wooden.

History: what it evolved from and what it influenced

• Wheelchair — evolved into. Mobility aids.

Take Crutches apart

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