Contortionists have unusually flexible spines and other joints.
Your height varies throughout the day depending on the amount of fluid in your spinal disks.
Did you know that around 20% of kids missed school last year because of back pain caused by backpacks?
Maybe mom wasn't right after all when she told you to "sit up straight!"
Astronauts and people on bed rest can experience gradual bone loss that increases their risk of fracturing a bone. Here's why.
Have you ever felt pain in your legs, or more of an uncomfortable tingling sensation really, up and down your leg from top to bottom?
This means that the water pumping in and out of them also provides them with nutrients and enables them to eliminate waste products. If you’ve ever wished you were just a little bit taller, try measuring your height in the morning. It might make all the difference.
Learn about all the various positions of the uterus on this Moment of Science.