Humans Are Evolving Out of These Muscles (Test Yourself!)

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Ever wonder if you're actually evolving right now? The truth is, humans are losing muscles we don't need anymore! This isn't about getting weak; it's evolutionary decluttering where non-essential structures fade out, just like the appendix or wisdom teeth.

In this video, Jonathan of the Institute of Human Anatomy breaks down three of these vestigial muscles—structures that were fully functional in your ancestors but are now reduced or even absent in modern humans. We'll reveal the incredibly rare Rectus Sternalis (only found in 5-8% of people!) , the deep Psoas Minor that 40-60% of people are missing, and the infamous Palmaris Longus—the one you can test for right now to see if you're more "evolved"!

Find out why your body is ditching these muscles and what they were used for back when we were climbing trees and walking on all fours
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Chapters
0:00 - The Shocking Truth: Humans Are Losing Muscles
0:58 - What is a Vestigial Muscle? (Nature's Decluttering)
1:30 - Why Muscles Disappear on Only One Side of Your Body
1:57 - The Rarest Muscle in Humans: Rectus Sternalis (5-8% have it)
2:42 - How the Rectus Sternalis Became Useless
3:43 - An Important Tool for Tracking Your Muscle Health (Sponsor)
5:01 - The Palmaris Longus: An Ape Muscle We No Longer Need
6:23 - The Simple Test to See If YOU Still Have the Palmaris Longus
7:09 - Why Surgeons Love the Palmaris Longus (Spare Parts!)
7:42 - The Deep & Hidden Muscle: Psoas Minor (Missing in 40-60%)
9:14 - More Muscles That Are Evolving Out of the Human Body
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Common Questions
How can I tell if I have the Palmaris Longus muscle?
What are vestigial muscles?
Do humans still have a Rectus Sternalis muscle?
Why are some of our muscles disappearing?
What is the Psoas Minor muscle, and is it important?
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#humanbody #anatomyeducation #muscles #musclescience #evolutionofhumans