Muscle weakness is a lack of strength in the muscles.
They may not contract or move as easily as before.
Some chronic medical conditions can cause the muscles to wear out more quickly or cause a person to feel fatigued.
If a person has a sudden, severe onset of muscle weakness, they should talk to a doctor.
How do you know if you have muscle weakness?
Many people with normal muscle strength say they feel weak when the problem is fatigue or when their movement is limited because of pain or joint stiffness. Muscle weakness can be a symptom of nervous system malfunction.
Why do my muscles feel so weak?
It can be associated with a state of exhaustion, often following strenuous activity or exercise. When you experience fatigue, the force behind your muscles’ movements decrease, causing you to feel weaker. While exercise is a common cause of muscle fatigue, this symptom can be the result of other health conditions, too.
What can cause your legs to feel weak?
Here are some possible causes for tired legs:
- Overuse. If you’ve recently used your legs more than normal, they may feel tired.
- Underuse. Not using your legs can also cause leg tiredness.
- Muscle cramps.
- Varicose veins.
- Poor circulation.
- Multiple sclerosis (MS)
What are the signs of weakness?
Signs and symptoms of weakness can include trouble doing daily tasks, such as grooming or writing or problems with gait and loss of balance. Many people use the term weakness as a synonym for tiredness, weariness, lack of energy or fatigue, although this is not technically correct.