Short-term muscle weakness is common and can be caused by something as simple as a tough workout. However, persistent muscle weakness without apparent cause could indicate an underlying health ...

Hernias can result when day-to-day actions weaken abdominal muscles, over time. Understanding these daily actions is critical ...

Hunched over a desk all day? Science shows that weak iliopsoas muscles are the hidden culprit behind chronic back pain, but ...

Medically reviewed by David Ozeri, MD Key Takeaways Asthenia is a lack of energy or strength and can affect the whole body or specific parts.Some lifestyle choices like poor diet or lack of exercise ...

If your doctor has suggested that you may have a myopathy, you likely have a lot of questions. There are many types of myopathies with different causes and outlooks. Myopathies are a class of diseases ...

Muscle weakness in patients with Becker disease is caused by unusual electrical activity in muscle fibres termed 'plateau potentials' that make them temporarily inactive, says a study published today ...

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

The joints in your body are enveloped by muscles that coordinate their movements. These muscle groups counterbalance each other and work together to complete a movement. The muscles on either side of ...

Tingling in your feet, or that pins and needles feeling, may happen if your feet "fall asleep" after lying on them for too long. Conditions like arthritis and diabetes can cause neuropathy (nerve ...

Infectious agents can cause muscle twitching and spasms, too. The most commonly known is probably tetanus, which causes a phenomenon called lockjaw, where the neck and jaw muscles contract to the ...