If a Tendon Raises Up When You Touch Your Pinky to Your Thumb, Here’s What It Could Mean

Evolution is a fascinating concept. It reminds us that all mammals, including humans, are connected in some way. But where can we find evidence of evolution? Surprisingly, some of the best evidence can be found right in our own bodies.

Many of our physical and internal traits have been passed down through generations. While some of these traits may no longer have a practical purpose in our modern lives, they were once essential for survival. It’s interesting to think that we still carry these almost useless characteristics with us today.

One example of this is our physiological response to cold weather. Have you ever seen a pigeon puff up its feathers on a cold winter day? This is a survival instinct that helps keep them warm. It’s a clear sign that evolution is still at work.

Another fascinating example is how animals react when they feel threatened. You may have noticed a cat’s fur puffing out when it’s startled. This defense mechanism makes the animal appear larger and more intimidating to potential attackers. This trait has been passed down through generations as a way to increase their chances of survival.

But perhaps the most astonishing evidence of evolution can be found in our own arms. Specifically, in our tendons. There is a tendon called the palmaris longus that has been phased out in over 10-15% of the human population. This tendon was once used by our ancestors, such as lemurs and monkeys, to swing from branch to branch in trees. As humans and other ground-dwelling apes no longer needed this tendon, it gradually disappeared over time.

So, if you touch your pinky to your thumb and notice a tendon popping up, it could be a sign that you still have the palmaris longus tendon. Isn’t it amazing how our bodies can provide evidence of our evolutionary past?

Next time you look in the mirror or observe the natural world around you, take a moment to appreciate the wonders of evolution. It’s a continuous process that has shaped us into the remarkable beings we are today.

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