Amyotrophic lateral sclerosis (ALS) is a progressive disease of the nervous system. It affects nerve cells in the brain and spinal cord called motor neurons. Motor neurons control muscle movement and ...

The clinical spectrum of idiopathic inflammatory myopathies (IIMs) has evolved from diseases in which muscle weakness was the main manifestation to systemic inflammatory diseases with multiple organ ...

Idiopathic inflammatory myopathies, known collectively as myositis, are chronic diseases that cause disability, mainly from muscle weakness, despite the use of immunosuppressive therapies. An improved ...

In a recent study posted to the medRxiv* preprint server, a team of researchers from Germany analyzed skeletal muscle biopsies of patients with persistent fatigue and malaise post-exertion to ...

After the bed rest, participants received another muscle biopsy and MRI, then ceased treatments. All patients completed a seven-day re-ambulation period followed by a final muscle biopsy. “We saw two ...

This rare genetic disorder is due to the absence of a vital protein called dystrophin that helps the body maintain muscle cells, which results in rapid muscle degeneration and increasing muscle ...

A biopsy is a procedure that can help doctors diagnose diseases. It involves removing a tissue sample and sending it to a pathologist. Depending on the type of biopsy, results may take up to 10 days.