What would happen if you didn’t have a patella?
This video explores the various machines in our body that provide mechanical advantage - namely, levers, pulleys and gears. The joints in our body act like levers providing either greater power or range of motion. Sesamoid bones like the patella act as pulleys, providing a gliding surface for the patella tendon during knee movements but also changing the direction of the force so that it’s more mechanically efficient. There are also gears in our muscles which can help them move faster with less power or move slower with more power, just like a car!
More information on gears can be found in this video: • How muscles have gears like cars
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#biomechanics #pulleys #medicine
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