PECTORALIS MAJOR
LENGTH TEST
• Testing for
The length of the pectoralis major muscle.
• Test positioning
The client is supine.
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• Action #1
Testing Clavicular Fibers:
The client abducts shoulder to 90-degrees.
• Positive finding for Clavicular Fibers:
The client's arm does not drop below the table level.
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• Action #2
Testing Sternal Fibers:
The client abducts shoulder to 150-degrees.
• Positive finding for Sternal Fibers:
The client's arm does not drop below the table level.
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The Pectoralis Major Length Test draws on the principles set forth by Dr. Florence Kendall and Dr. Henry Otis Kendall in muscle function and length assessment, with contributions from Dr. Vladimir Janda on postural control.