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.

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 ...

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 ...

June Furlan was alarmed when a mystery weakness started taking over her body, so her personal trainer suggested doing “dead bugs” to strengthen her core. She was already an avid gym goer, doing cardio ...

Fitness experts in the United States agree that while compound movements build the foundation, isolation exercises are ...

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.

Hold a dumbbell or kettlebell at shoulder height. Brace your core and press the weight overhead. Lower it slowly back to the ...