Certified Rehabilitation Registered Nurse (CRRN) Practice Exam

Which motions should be performed to provide complete range of motion to the shoulder joint?

1. Flexion/extension and internal/external rotation

2. Abduction/adduction and flexion/extension

3. Abduction/adduction and internal/external rotation

4. All of the above

The correct answer is: All of the above

The correct answer is D because each of the suggested motions plays a crucial role in achieving the complete range of motion for the shoulder joint. The shoulder joint is a ball-and-socket joint, which allows for a wide range of movement. This movement can be categorized into several types: - **Flexion** and **extension** refer to movements that occur in the forward and backward planes. Flexion brings the arm upwards and forwards, while extension moves it back down and towards the body. - **Abduction** and **adduction** involve moving the arm away from the body (abduction) and bringing it back towards the body (adduction). - **Internal** and **external rotation** involve rotating the arm towards the center of the body (internal rotation) or away from it (external rotation). For a comprehensive assessment and rehabilitation program, it is important to include all these movements to ensure complete mobility, improve functional performance, prevent stiffness, and facilitate recovery in patients recovering from shoulder injuries or surgeries. Thus, performing all these motions collectively is essential for achieving full range of motion in the shoulder joint.