AFAA Personal Trainer Certification Practice Exam

What does the Valsalva maneuver involve?

1. Sitting quietly while breathing normally

2. Forcing air out of the lungs

3. Holding the breath during strenuous activities

4. Inhaling deeply before exhaling

The correct answer is: Holding the breath during strenuous activities

The Valsalva maneuver is characterized by holding the breath while straining, which occurs during activities such as lifting heavy weights. This action causes a significant increase in intrathoracic pressure, which can influence cardiovascular function and may be used in various exercises to stabilize the core or manage pressure during exertion. When performing exercises that require significant effort, holding the breath allows for increased pressure within the thoracic cavity, thereby aiding in spinal stability. This maneuver can enhance performance in heavy lifts or when executing high-intensity movements. However, it's important to be cautious with this technique, as it may lead to temporary increases in blood pressure and other cardiovascular responses. The other options describe actions that do not align with the specific definition of the Valsalva maneuver. For instance, sitting quietly while breathing normally does not involve any straining or pressure changes in the thoracic cavity. Forcing air out of the lungs would suggest an active exhalation, which is not what the Valsalva maneuver entails, as it involves the cessation of breath rather than forced exhalation. Similarly, inhaling deeply before exhaling does not encapsulate the breath-holding aspect that is central to the Valsalva maneuver.