Table 3.

Conditions tested for postural control assessment with sensory input disturbance

Condition	Eyes	Surface	Vibration	Cognitive task	Altered sensory information	Unaltered sensory information
EO	Open	Rigid	No	No	–	Somatosensory, vestibular, vision
EC	Closed	Rigid	No	No	Vision	Somatosensory, vestibular
EOF	Open	Foam	No	No	Somatosensory	Vestibular, vision
ECF	Closed	Foam	No	No	Somatosensory, vision	Vestibular
EOV	Open	Rigid	Yes	No	Somatosensory	Vestibular, vision
ECV	Closed	Rigid	Yes	No	Somatosensory, vision	Vestibular
DT	Open	Rigid	No	Yes	–	Somatosensory, vestibular, vision

C, close; DT, dual task; E, eyes; F, foam; O, open; V, vibration.