The PTA is observing the PT administering a Sensory Organiza…
The PTA is observing the PT administering a Sensory Organization Test with a patient. The PTA notes the patient has an excessive sway while standing with eyes open on a foam surface. This sway was not apparent when standing on a firm surface with eyes open or closed. This would MOST likely indicate the patient has more reliance on the __________ system(s) to maintain his/her balance.