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Funny random pictures. Life Hacks. Powerful Small Muscles: Men. Know them: The supraspinatus is one of the small muscles at the top of your shoulder that makes up the rotator cuff; the subscapularis is a large muscle on the front of your shoulder blade.
Blame your desk job for weak shoulders: If your upper body is rounded, it's most likely because your chest is tight, which means the opposing muscles in your shoulders are weak. Strengthen the stabilizing muscles, and you'll see improvement on your bench press and in overhead sports like swimming or tennis, as well as in your overall upper-body power. Test them: Bring your arms straight out in front of you at about a 45-degree angle, your thumbs pointed up—like you're about to hug someone. Have a friend stand in front of you and push your arms downward with moderate pressure. (The friend's hands should be positioned above your wrists on your forearms.)
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