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The walking cane length influences the postural sway of community‐dwelling older women
Author(s) -
Camara Camila Thais Pinto,
Freitas Sandra Maria Sbeghen Ferreira,
Lima Camila Astolphi,
Amorim César Ferreira,
PradoRico Janina Manzieri,
Perracini Monica Rodrigues
Publication year - 2020
Publication title -
physiotherapy research international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 49
eISSN - 1471-2865
pISSN - 1358-2267
DOI - 10.1002/pri.1804
Subject(s) - cane , physical medicine and rehabilitation , force platform , center of pressure (fluid mechanics) , medicine , mathematics , psychology , engineering , biology , biochemistry , sugar , aerodynamics , aerospace engineering
Background Mobility‐related problems in older people may be relieved by the use of walking canes. However, the influence of the cane length on the postural stability of cane users has not been explored. Objective The objective of this study is to examine the influence of a single‐point cane with different lengths on the postural sway of regular cane users, older women during two stance positions, with feet parallel and semi‐tandem stance. Methods Eighteen older women, who used a single‐point walking cane for at least 6 months, stood on a force plate with feet parallel or in semitandem position for 40 s. They always used a cane that was adjusted to one of three different lengths resulting from the distance between the wrist crease and the floor, named WF, or this distance plus 7.5 or 10 cm. Amplitude and speed of the centre of pressure (COP) and its components (rambling and trembling) in the anterior‐posterior and medial‐lateral directions and mean vertical force applied to the cane were compared across cane lengths. Results The amplitude and velocity of COP, rambling and trembling increased with the cane length. This effect was observed for the anterior‐posterior with the feet parallel and in the medial‐lateral direction with the semi‐tandem position. More force was applied on the shorter cane (WF) in semitandem position. Conclusion Longer canes increased the postural sway in the older women and restricted the body weight loaded on the cane. Improper cane length influences the postural sway particularly in a semitandem stance of regular cane users. This may cause a negative impact on postural stability required in daily life activities. The current findings may contribute to the prescription of this assistive device for older adults.

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