Table 3. Means (± SD) of the frequency (Hz) characteristics of trunk movement under stable and unstable base conditions.

 
Medial-lateral Movement
Cephalo-caudal Movement
Anterior-posterior Movement
Stable Base
.41 (.09)
.58 (.12)
.56 (.12)
Unstable Base
1.21 (.87)
.89 (.31)
1.62 (.85)