The Journal of Bone and Joint Surgery, Vol 60, Issue 7 895-898, Copyright © 1978 by Journal of Bone and Joint Surgery, Inc
Postural sway in amputees and normal subjects
GR Fernie and PJ Holliday
The postural sway of amputees was investigated quantitatively in fifty
patients with above-the-knee amputations and in twenty-nine patients with
below-the-knee amputations. The factors evaluated were: (1) the mean speed
of sway: (2) the range of movement in the sagittal and coronal planes; and
(3) the dependence on vision as indicated by the ratio of eyes-open to
eyes-closed values. The results demonstrated that in amputees there is an
increased dependence on vision for maintenance of the erect posture.
Postural sway in patients with below-the-knee amputations was found to be
significantly greater than that in those with above-the-knee amputations.
Postural sway increased with age; but the visual dependence for the control
of postural sway was independent of age.