Pectoralis Minor And Rounded Shoulders

Pectoralis Minor  Muscle
Shoulder Blades (Scapulae)

Stand sideways in the mirror.  Do your shoulders look rounded?  Are your shoulder blades sticking out?  Your shoulder blades should lie flat on your rib cage, and shouldn’t be noticeable.

Do you exercise your chest more than your back?  Do you neglect chest stretches?  Do you usually sit with your shoulders slumped forward?  These are typical reasons your Pectoralis Minor tightens up.

Muscles work together, like an orchestra.  When one isn’t doing its job, it affects other muscles and bones.

All muscles have a starting, and ending point.  Pectoralis Minor is a small muscle, as you can see on the rotating illustration.  It starts on the upper rib cage, and ends on the shoulder blades.  When it’s tight, the Pectoralis Minor pulls the shoulder blades forward.  That’s what gives your shoulders a rounded appearance.


Pictured to the right is a very simple stretch you can do anywhere, without equipment.  If you sit alot, do this stretch often.

  • Clasp your fingers behind your back.
  • Lift your arms upward.
  • Hold the stretch 20 to 30 seconds.
  • Breath while holding the stretch.

Don’t overdue it.  If you raise your arms too high, you’ll experience pain.

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Copyright 2012 Irene Pastore and Blue Moon Personal Training

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