National Physical Therapy Examination (NPTE) Practice Exam

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After immobilization, Nancy is assessed to check the functioning of the inferior GH joint ligaments. To stretch this ligament, her arm should be:

Elevated to 45º
Extended to 90º
Elevated to 90º
Externally rotated to 45º

The correct answer is: Elevated to 90º

To effectively assess and stretch the inferior glenohumeral (GH) joint ligaments, elevating the arm to 90º is appropriate. This position places the shoulder joint in a degree of abduction where the inferior ligamentous structures can be appropriately assessed and stretched. Essentially, at this angle, the inferior GH ligament (also known as the axillary pouch) becomes taut, allowing for an effective evaluation of its integrity and mobility. Furthermore, positioning the arm at 90º of elevation takes advantage of the natural mechanics of the shoulder joint, facilitating the stretch needed to observe any potential restrictions or dysfunction in the inferior ligaments following a period of immobilization. This positioning also allows for clear observation of the functional capabilities of the shoulder, aiding in the formulation of an effective rehabilitation plan. In contrast, different angles of elevation or rotation would not adequately tense the inferior ligaments, thus failing to provide a thorough assessment of their functionality.