Going through life absent an entire forearm muscle feels like something you’d probably have noticed by now, but as Jonathan Bennion of the Institute of Human Anatomy explains in a recent YouTube video ...

Muscle weakness may be due to a chronic condition or an infection. Conditions that can weaken muscles include Addison’s disease, anemia, diabetes, fibromyalgia, and more. Muscle weakness is a lack of ...

Research reveals how brain inflammation triggers extreme muscle weakness across several diseases, including viral infection, bacterial infection and Alzheimer's disease. The study, in fruit flies and ...

Tumors can destroy the blood vessels of muscles even when the muscles are nowhere close to the tumor. That is the key finding of a new study that my colleagues and I recently published in the journal ...

A 52-year-old man with a history of remote neck surgery presents to the emergency department with weakness and paresthesia in the left arm. He first noted the symptoms when he awoke in the morning.

Chair exercises for sagging arms after 50, try 5 expert-quoted moves from trainer Jill Jones to firm triceps fast.

Chronic obstructive pulmonary disease (COPD) is more likely to conjure images of breathlessness rather than weak muscles, but can COPD also cause muscle weakness? Research seems to show a correlation.

Muscle pain that does not go away after several days or is accompanied by symptoms such as fever, shortness of breath, and extreme weakness requires medical assistance. Muscle pain, also called ...

Firm sagging arms after 50 with 5 chair moves that hit triceps, shoulders, and upper back better than bicep curls.