Muscle weakness means that a muscle can’t contract or does with limited power to do so. Clinically we measure weakness with different grades from 0-5. Sometimes muscles are simply weakened from disuse. This means that they / you are deconditioned.
As we age a loss of activity tends to create a loss of muscle tone and density. A sedentary lifestyle can cause weakened muscles from disuse. So many people are concerned with developing osteoporosis, but the bigger killer of enjoyment of life is sarcopenia—which is muscle loss or atrophy. You have to use muscles in order for them to maintain strength.
The good news is that weight bearing exercises not only strengthen muscles but also strengthen bones. So you get a 2 for 1 bonus when you do weight bearing exercise.
Of course, there are many serious reasons for muscle weakness as well. They range from neurological disorders such as multiple sclerosis, ALS, and Myasthenia gravis to spinal cord injuries and pinched nerves. If you have a pinched nerve, then your muscle weakness can range from barely weak at first to paralysis of the muscles involved. There are diseases, such as lyme disease, that can cause neurological problems and muscle weakness. There are also primary diseases of muscles as well. So the depth and breadth of muscle weakness not only has many causes, but will also vary in degree and magnitude.
To get to the bottom of your muscle weakness, a thorough neurological evaluation must be performed along with an in depth consultation, and possible other lab tests. Schedule your appointment now to find out what is causing your weakness and how to recover your strength.