The human body can achieve incredible feats, but because of anatomical blocks certain simple tricks are physically impossible for 99% of people. Bet you'll try them all while reading? Which trick can you do – or absolutely not? Cast your vote!
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Licking your own elbow
Because of the ratio between the length of your upper arm and the rotation of your shoulder joint, this is anatomically possible for only a handful of people.
Tickling yourself
The cerebellum in your brain predicts your own movements and switches off the tickle response before your hand even touches your skin.
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Sneezing with your eyes wide open
An autonomic reflex of the brainstem automatically closes your eyelids to prevent bacteria from getting into your eyes.
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Raising one eyebrow (like The Rock)
Requires independent control of the frontalis muscle on each side of your forehead, which most people can't control separately.
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Wiggling your ears without moving your face
The muscles around our outer ear (auriculares) are evolutionary leftovers that have lost their nerve connection in most people.
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Rolling your tongue into a cloverleaf
While a simple tube works for 70% of people, a triple fold requires rare genetic muscle control.
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Fitting your whole fist in your mouth
Only possible for people with an exceptionally large mouth or remarkably small hands.
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Touching the tip of your nose with your tongue (Gorlin sign)
Only about 10% of the world's population has a frenulum flexible enough to touch the tip of the nose.
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Lifting your ring finger while your middle finger rests bent on the table
The tendons of your middle and ring finger are connected, so the ring finger is physiologically blocked.
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Hooking your legs behind your neck
Requires extreme hypermobility in the hip joint that is unattainable without years of flexibility training.
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