Some long-term health problems also affect leg strength. For example, arthritis, diabetes, and peripheral neuropathy can reduce balance and stability, making movement harder.
If you develop nerve damage from diabetes, it can make you fearful of falling, causing you to stay still, which only worsens the weakness.
Working closely with your doctor to manage these conditions, along with physical therapy and exercise, can help prevent further decline.
4. Back Problems
Lower back conditions, like spinal stenosis, herniated discs, or sciatica, can affect nerves that run to your legs, causing weakness or pain.
These issues often make you reluctant to move, but staying as active as possible is still key. Gentle exercises, guided by a physical therapist, can help manage pain and protect leg strength.
If you experience serious numbness, tingling, or weakness, see a doctor for specialized advice.

5. Lack of Motivation
Mental and emotional changes can also lead to weak legs. Retirement, depression, or the loss of a loved one can leave you without motivation to stay active.
If your routine changes after leaving work, you might stop moving as much, leading to weakness. It’s important to reach out for help and build a support system.
Exercising with a friend, joining a senior fitness group, or leaning on family can give you both encouragement and a sense of community to keep moving.