Risk factors for a heart attack include: Both sprains and strains of your shoulder, biceps, and muscles of the forearm will cause pain ... or the humerus — the upper arm bone.
Some other lung-related conditions known to cause chest discomfort include: Pneumonia: This infection inflames the air sacs in your lungs and can make your chest hurt when you breathe or cough.
"My shoulder pain wakes me up if I roll over ... The rotator cuff consist of four muscles within the shoulder, connecting the upper arm (humerus) to the shoulder blade (scapula).
It's a great isolation move, which means it tackles one specific muscle group ... for the upper body, participants found a 'significant effect...on the arm strength' after eight weeks.