What Causes Muscle Twitching and Weakness?
Muscle twitches happen when the nerves inside of your body begin to fire involuntarily. In order for you to move your muscles, a series of electronic impulses are fired along nerve pathways in your body. This stimulates muscle contraction and relaxation. Muscle twitches occur when a particular nerve fires an impulse unexpectedly. As a result, your muscle twitches compulsively. Some possible causes of muscle twitches include: • muscle fatigue • muscle strain or injury • emotional stress or anxiety • certain medications • caffeine • nervous system disorder Muscle weakness happens when the nerves that stimulate your muscles to move aren’t working properly. As a result, your muscles don’t contract and relax as they should, and your muscles don’t move. Causes of muscle weakness include: • stroke • multiple sclerosis • nervous system disorder • trauma to the nerves Symptoms Associated with Muscle Twitching and Weakness Muscle twitching is often associated with the following symptoms: • tingl