Hand Facts!

Overview

Pop Quiz: Hand Facts!

Question 1

True or false: Cracking your knuckles will cause arthritis.

Conclusion

That's false! That popping sound you hear when you crack your knuckles is harmless. It's caused by the bursting of tiny gas bubbles in the fluid of your joints.

Question 2

Let's try another. How many muscles are found in your fingers?

Choices

0, 5, 10, or 30

Conclusion

There are actually no muscles in your fingers. The tendons that move your fingers are controlled by muscles in the hand.

Question 3

And finally, what percentage of people are left-handed?

Choices

5, 10, 20, or 35 percent

Conclusion

About 10 percent of all humans are left-handed. Did you get it?

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.