Infraspinatus Muscle Location and Trigger Points

The Infraspinatus, one of the rotator cuff muscles, lies on the outside of the lower 2/3 of the shoulder blade.  It functions primarily to rotate your arm outwards and to pull your arm back, such as when swinging a bat or golf club.

Infraspinatus Referred Pain Patterns

Trigger Points in the Infraspinatus are commonly overlooked, due to the unique referral pattern.  Although this muscle is located on the back, the primary referral pain is to the front of the shoulder.  Pain can also be found along the outer portion of the shoulder, extending into the upper arm as well.

A common condition known as “Frozen Shoulder” causes weakness and stiffness in the shoulder.  This true condition is caused by adhesions and scar tissue in the joint.  Trigger Points in the Infraspinatus muscle can mimic the symptoms of “Frozen Shoulder.”  Trigger Point treatment with the Pressure Pointer can help to alleviate many of these symptoms.

Place both hands on the back at waist level with palms facing forward.
Lean over and allow elbows to drop toward floor, until stretch is felt.
Hold for 10-15 seconds.
Repeat three times, at least three times daily.

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