Weakness

Healthwise
By Jeannette Curtis; Caroline Rea, RN, BS, MS

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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.

Author:Jeannette Curtis
Caroline Rea, RN, BS, MS
Medical Review:
Last Updated: 05/25/2007