You are about to assess the balance of a patient who has a neurological disorder. Which of the following would be the MOST appropriate method to assess the vestibular component of balance?
1. An assessment of cutaneous sensation
2. Applying a perturbation to alter the body's center of gravity
3. Assessing proprioception in a weight-bearing posture
4. Quantifying visual acuity and depth perception
The solution will be posted in a few days.