Repeated exercise, or wasting, can change the way key genes work.

A new discovery may explain why so many people abandon cholesterol-lowering statins because of muscle pain and weakness.

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 ...

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

You can rest and use ice to help relieve latissimus dorsi pain. Try adjusting your posture to ease and prevent strain on your ...

WHY ARE PEOPLE so drawn to developing muscular and strong arms? It’s because arms are so prominent and visible. Unlike abs or even legs, which are very often covered by clothes, your arms are ...

It started to drizzle just moments after the 24-year-old man crossed the finish line of the 2017 New York City Marathon. It was his first marathon, and he felt both elated and exhausted as the medal ...

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.

Weak hip flexors can cause the surrounding muscles to overcompensate, which can cause pain and difficulty walking. Treatment may include physical therapy and exercises. The hip flexors are muscles ...

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