Skip to Content
Home > Wellness > Health Library > Weakness
Weakness is a lack of physical or muscle strength and the feeling
that extra effort is required to move the arms, legs, or other muscles. If
muscle weakness is the result of pain, the person may be able to make muscles
work, but it will hurt.
Current as of:
May 27, 2016
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & David Messenger, MD
To learn more about Healthwise, visit Healthwise.org.
© 1995-2016 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
I Want To...
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.