Someone can mistake a strained chest muscle for something more serious ... Sharp, stabbing pain on the left side or front part of the chest is one of the most common pericarditis symptoms.

Medically reviewed by Amy Kwan, PT Your latissimus dorsi (your "lats") is a broad, flat, triangle-shaped muscle that spans ...

According to trainer Tony Gentilcore, 'Front squats nudge people into more thoracic extension which is going to be a game ...

Prolonged sitting, spending a lot of time in front ... cause pain, weakness, and muscle paralysis. Injury to this nerve is rare but can occur as a complication of surgery in the chest or shoulder ...

In this six-part series, we'll give you quick exercises for different body parts every week to help you stay limber.