Pectoralis Major Length Test

TESTING FOR

The length of the pectoralis major muscle.

PROCEDURE

The client is supine.

A. Testing Clavicular Fibers:

The client abducts shoulder to 90-degrees.

POSITIVE SIGN for Clavicular Fibers:

The client's arm does not drop below the table level.

B. Testing Sternal Fibers:

The client abducts shoulder to 150-degrees.

POSITIVE SIGN for Sternal Fibers:

The client's arm does not drop below the table level.