As people get older, they often notice that their muscles don’t feel as strong as they once did. Many assume this is just a normal part of aging—that muscles naturally become weaker over time. However ...

Muscle weakness can complicate everyday tasks like picking up a box, lifting ourselves out of bed, or the ability to express ...

Later during her childhood, she frequently complained of significant muscle stiffness that was often followed by generalized limb weakness lasting 2–3 min, usually at the onset of physical ...

This is an inherited form of muscle weakness and varies in severity from mild weakness to severe disability. The condition is due to inability by muscles to process calcium, a critical component ...

While a gradual loss in muscle strength is a natural part of aging, for many older adults it's more than just feeling a little weaker. Sarcopenia -- a condition affecting nearly half of adults over 80 ...

Arnold added that while all adults lose motor neurons as they age, he and his research team are learning that the muscle weakness linked with sarcopenia is less about the loss of the number of ...