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Effect of a Cane on Sit-to-Stand Transfer in Subjects with Hemiparesis
Abstract
Objective:
The aim of this study was to determine the
effect of using a cane on movement time, joint moment, weight symmetry,
and muscle activation patterns during sit-to-stand (STS) transfer in
healthy subjects and subjects who have had a stroke.
Design:
Nine subjects with hemiparesis (mean [SD] age,
61.11 [12.83] yrs) and nine healthy adults (mean [SD] age, 63.11
[10.54] yrs) were included. The subjects with hemiparesis performed STS
transfer in two randomly assigned conditions: (1) without a cane and (2)
with a cane. The healthy subjects performed only STS transfer without a
cane. A three-dimensional motion system, force plates, and
eletromyography were used to examine STS transfer. The symmetry index
between the two limbs was calculated.
Results:
The movement time of the subjects with
hemiparesis in both conditions without a cane and with a cane was longer
than that of the healthy subjects without a cane (P <
0.025). However, STS transfer with a cane in the subjects with
hemiparesis resulted in shorter movement time, greater knee extensor
moment of the paretic limb, and more symmetry of weight bearing than in
those without a cane (P < 0.05). The sequence of muscle onset tended to improve with a cane in the subjects with hemiparesis.
Conclusions:
Cane use may promote more symmetrical STS transfers rather than compensation by the unaffected limb.
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