What are weakness in the knees and hands?

Weakness in the knees and hands can have a variety of causes, including:

- Muscular weakness:Weakness in the knees and hands may be caused by muscular weakness, which can result from a variety of conditions, including:

- Muscle injuries: Muscle injuries, such as strains or tears, can cause pain and weakness in the affected muscles.

- Neurological disorders: Neurological disorders that affect the nerves that control the muscles of the knees and hands can cause weakness in those muscles.

Examples of neurological disorders that can cause muscle weakness include:

- Stroke: A stroke can damage the brain tissue that controls the nerves to the muscles of the knees and hands, causing weakness in those muscles.

- Multiple sclerosis: Multiple sclerosis is an autoimmune disease that affects the central nervous system, including the brain and spinal cord. It can damage the nerves that control the muscles of the knees and hands, causing weakness in those muscles.

- Parkinson's disease: Parkinson's disease is a neurodegenerative disorder that affects the brain and spinal cord. It can damage the nerves that control the muscles of the knees and hands, causing weakness in those muscles.

- Chronic diseases: Chronic diseases, such as diabetes, kidney disease, and liver disease, can lead to muscle weakness.

- Nutritional deficiencies: Nutritional deficiencies, such as a lack of vitamin B12 or potassium, can cause muscle weakness.

- Joint problems: Weakness in the knees and hands can also be caused by joint problems, such as:

- Arthritis: Arthritis is a condition that causes inflammation of the joints. It can affect the knees and hands, causing pain, stiffness, and weakness.

- Osteoarthritis: Osteoarthritis is a type of arthritis that occurs when the cartilage that cushions the ends of bones wears down. It can affect the knees and hands, causing pain, stiffness, and weakness.

- Rheumatoid arthritis: Rheumatoid arthritis is an autoimmune disease that causes inflammation of the joints. It can affect the knees and hands, causing pain, stiffness, and weakness.

- Circulatory problems: Weakness in the knees and hands can also be caused by circulatory problems, such as:

- Peripheral artery disease (PAD): PAD is a condition that occurs when the arteries in the legs and arms become narrowed or blocked. It can cause pain, numbness, and weakness in the affected limbs.

- Atherosclerosis: Atherosclerosis is a condition that occurs when plaque builds up in the arteries. It can affect the arteries in the legs and arms, causing pain, numbness, and weakness in the affected limbs.

- Other causes: Weakness in the knees and hands can also be caused by a variety of other factors, including:

- Medications: Some medications can cause muscle weakness as a side effect.

- Alcohol and drug use: Alcohol and drug use can damage the muscles and nerves, causing weakness in the knees and hands.

- Aging: As people age, they may experience muscle loss and weakness. This can affect the muscles of the knees and hands, causing weakness in those joints.