Left, normal length; right, short length, holding the shoulder forward.
The subject lies supine on a firm table with arms at the sides, elbows extended, palms upward, knees bent and low back flat on the table. There appears to be some anterior tilt of the shoulder suggesting tightness of the pectoralis minor.
The examiner stands on the left side of the subject, with the palm of the examiner's left hand on the subject's anterior shoulder region, and presses firmly down toward the table in the manner of rolling the shoulder region back to correct anterior tilting. The amount of resistance indicates the extent of tightness in the group of muscles attached to the coracoid process.
Equipment: Firm table; unpadded.
Starting Position: Supine, with the arms at the sides, elbows extended, palms upward, knees bent and lower back flat on the table.
Test: The examiner stands at the head of the table and observes the position of the shoulder girdle. This figure shows normal length of the left pectoralis minor and shortness of the right. The amount of tightness is measured by the extent to which the shoulder is raised from the table and by the amount of resistance to downward pressure on the shoulder. Tightness may be recorded as slight, moderate, or marked.
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