Even though the action pictured is called “lateral neck flexion,” the neck muscles aren’t the only ones acting. Muscles of the back, such as the intertransversarii and splenius muscles, are also involved. 


Learn more about muscles, muscle actions, and innervation by downloading our FREE ebook! http://go.visiblebody.com/download-muscle-digital-kit

I don’t know about you, but the diaphragm is one gorgeous muscle. 

Want to see more? Check out the upcoming PC/Mac version of Muscle Premium here.

Do you want to read an awesome blog post about uterine anatomy? Of course you do! Topics covered include: anatomy, physiology, and kung-fu. Because what’s a uterus without a little kung-fu?

Check out our latest blog post here. It’s the first of two parts, so stay tuned!

Not that anyone has anything against teeth, of course.

Have an iPad or iPhone? Get a FREE preview of Human Anatomy Atlas. It’s pretty awesome, if we do say so ourselves.

Don’t forget to rate it in the iTunes Store! (It does our hearts good.)

Have an iPad or iPhone? Get a FREE preview of Human Anatomy Atlas. 

We took 400+ views of bones, ligaments, and teeth from Human Anatomy Atlas and put them (along with definitions, quiz questions, and the app’s functionality) into an awesome free demo, Human Anatomy Atlas SP. 

If you like what you see, purchase the rest of the body systems and own the full app forever!

For iPad/iPhone users: https://itunes.apple.com/us/app/human-anatomy-atlas-sp/id633487337?mt=8

Bone marrow fills the cylindrical cavities in the bodies of long bones (like the femur) and occupies the spaces inside spongy bone. It also extends into the larger bony canals that contain blood vessels.


Want to learn more about your bones? Be sure to check out Skeleton Premium, our awesome and fully interactive 3D app! (You know you want to.)

PC or Mac: 
http://www.visiblebody.com/skeletal_download_overview/

iPad or iPhone: 
http://www.visiblebody.com/skeletal_overview/

The atlas (C01) and the axis (C02) form a pivot joint that allows for the neck’s great range of motion. So the next time you find yourself nodding off at your desk, remember to thank the atlas and axis for it.


Want to see more? Download our FREE eBook to learn all about the atlanto-axial relationship!

When someone is described as having “high” cheekbones (like celebrities Tom Hiddleston and Halle Berry), it simply means their zygomatic bones are more prominent than others with softer facial features. 


To get a FREE eBook about the bones of the skull, click here! (You know you want to.)

Learn all about the structures involved in vision in our latest blog post — your ability to read this Tumblr post is more complex than you might think! 

http://info.visiblebody.com/bid/281179/Anatomy-and-Physiology-The-Anatomy-of-Vision

Despite what BBC Sherlock says, breathing is not boring! But when you think of breathing, you tend to picture just the lungs. The upper respiratory system is just as important as the lower — read our latest blog post to find out why!

http://info.visiblebody.com/bid/277065/Anatomy-and-Physiology-The-Upper-Respiratory-System