Join the pinky finger and thumb, then flex your wrist, you may see the tendon of the Palmaris Longus Muscle. It can also not be present! Roughly 80% people have it. And can also happen that you only have it on one arm.
![](https://images.hive.blog/768x0/https://s3.amazonaws.com/zapplios1/photos-1147264445.png)
Join the pinky finger and thumb, then flex your wrist, you may see the tendon of the Palmaris Longus Muscle. It can also not be present! Roughly 80% people have it. And can also happen that you only have it on one arm.
Mine is crazy noticeable haha