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. 2018 Sep 12:13:1701-1708.
doi: 10.2147/CIA.S167782. eCollection 2018.

Effect of six-week intervention program on postural stability measures and muscle coactivation in senior-aged women

Zbigniew Borysiuk  1 , Mariusz Konieczny  1 , Krzysztof Kręcisz  1 , Paweł Pakosz  1 , Bożena Królikowska  1
Affiliations

Effect of six-week intervention program on postural stability measures and muscle coactivation in senior-aged women

Zbigniew Borysiuk et al. Clin Interv Aging. .

Abstract

Objective: The objective involved the analysis of the efficiency of the Program of Movement Recreation of Elderly People (PMREP) exercise program expressed in terms of the stabilography measures and coactivation of muscles in women in the age group of 60-70 years. The assumption that was assumed stems from theoretical implications that the adequate postural stability is manifested in the decrease of the body sways measured by means of a force plate.

Materials and methods: The study involved a group of 60 females, all members of the active seniors' association. The subjects were in the age range from 60 to 70 years. The subjects were divided into 2 groups of equal size: control and experimental. Subjects in both groups participated in the rehabilitation exercises: experimental (n=16, PMREP - twice a week/60 minutes), control (n=27, PMREP - only once a week/60 minutes).

Results: The study demonstrated that the completion of a 6-week PMREP program resulted in a decrease in the variability and velocity as well as indicators representing center of pressure displacement measured in the feet for the exercises performed with closed eyes with subjects standing on a high foam pad located on a force plate (P=0.001). No significant changes in coactivation of the calf muscles were recorded in the subjects.

Conclusion: The study concludes that a PMREP rehabilitation plan with an adequate program and frequency leads to an improvement of the vestibular system coupled with proprioception understood as an integrated process of sensor activation in the body. However, in regard to the coactivation of the muscles involved in maintaining postural stability, no significant differences have been observed.

Keywords: EMG signal; aging; sensory integration; stabilography.

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Conflict of interest statement

Disclosure The authors report no conflicts of interest in this work.

Figures

Figure 1
Figure 1
Significant interaction TIME×GROUP for the MV. Abbreviations: CON, control; EXP, experimental; MV, mean velocity.
Figure 2
Figure 2
Significant interaction TIME×VISION×GROUP for the MV. Abbreviation: MV, mean velocity.
Figure 3
Figure 3
Significant interaction TIME×SURFACE×GROUP for the MV. Abbreviations: CON, control; EXP, experimental; MV, mean velocity.
See this image and copyright information in PMC

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