Why it hurts when stumbling toes hit a rock?

A cut of a hand, cracked dry lips or toes on a stone. Although the wounds did not seep into the air, the feeling they gave was extremely miserable . So why when we get injured on our limbs, we feel so miserable, a scar that's harder to describe than anything, all with a cause!

When your toes are impacted with a force similar to a punch. Because the toe has a small surface area, the force cannot spread, so the pain is concentrated at the point of impact. That's the same reason it hurts so much when stepping on a sharp object compared to a smooth object.

Not only do you feel immediate shock like stepping on a sharp object, then a throbbing pain comes later. That's because the toes contain special nerve bundles called Nociceptor . When hit, the warning signal from the nerve bundle will be activated at the same time, however, the transmission speed is different.

• Nociceptor A is faster, runs at 20 meters per second through thousands of nerve fibers and eventually reaches your brain. That causes the sudden pain you feel at the time of the impact.

• Nociceptor C is slower at a speed of only 2 meters per second. So, after a delay, the second wave of pain signals to your brain creates a dull, lingering pain.

You can find bundles of Nociceptor nerves throughout the body, but they are concentrated with the highest density in the body parts you use to explore the environment such as fingertips, toes and lips. . That is why an accident such as a broken arm, tripped foot, and cracked lips will leave a feeling of extreme misery.

Researchers think that the pain we feel is an evolutionary way to increase our ability to survive from our ancestors. Back before antibiotics, even small cuts can cause deadly infections because the feet are constantly in contact with dirty surfaces, and bacterial infections are especially vulnerable. Therefore, people with sensitive feet may have been careful while walking, so they will be less likely to get infections and survive to pass on this gene to the next generation.