“Chair-based movements are especially powerful because they’re safe, accessible, and can be done without special equipment, ...
Pain or strain when reaching your arms overhead may indicate issues with shoulder mobility. Exercises to stretch and strengthen your shoulders can help increase your range of motion.
Everyday Health on MSN

A Pulled Muscle in the Armpit

Learn how to identify and treat a muscle strain that leads to armpit pain. Get to know how to gauge severity and recovery timelines.
Merck (NYSE: MRK), known as MSD outside of the United States and Canada, today announced new research from more than 100 ...