2020
DOI: 10.3390/healthcare8010058
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Association Between Back Muscle Strength and Proprioception or Mechanoreceptor Control Strategy in Postural Balance in Elderly Adults with Lumbar Spondylosis

Abstract: This study aimed to investigate the relationship between back muscle strength and proprioception or mechanoreceptor control strategies used for postural balance in elderly adults with lumbar spondylosis. The displacement of the center of pressure (COP) excursion was determined in 24 elderly adults with lumbar spondylosis and 24 healthy young adults while the participants were standing upright on a balance board with their eyes closed. Vibratory stimulations of 30, 60, and 240 Hz were applied to the gastrocnemi… Show more

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Cited by 13 publications
(26 citation statements)
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“…In order to evaluate postural sway during proprioceptive inputs to the muscle spindles, the response frequency ranging from 56 to 100 Hz was analyzed. For information regarding proprioceptive dominance, RPW was calculated as follows: RPW [%] = (RMS GS )/(RMS GS + RMS LM ) × 100), where RMS GS and RMS LM are the root mean square of the COP displacement in the anteroposterior direction during GS and LM vibrations, respectively [ 6 , 28 , 34 , 35 ]. RMS was calculated as follows: where n is the number of data series; Y * Dur (n) is the CoP in the anteroposterior direction in the duration section (Dur-section); Y * Pre is the mean value of CoP in the anteroposterior direction in the pre-sectiion (Pre-section); the subscript “*” is used to distinguish the stimulation body locations, namely, the GS or LM.…”
Section: Methodsmentioning
confidence: 99%
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“…In order to evaluate postural sway during proprioceptive inputs to the muscle spindles, the response frequency ranging from 56 to 100 Hz was analyzed. For information regarding proprioceptive dominance, RPW was calculated as follows: RPW [%] = (RMS GS )/(RMS GS + RMS LM ) × 100), where RMS GS and RMS LM are the root mean square of the COP displacement in the anteroposterior direction during GS and LM vibrations, respectively [ 6 , 28 , 34 , 35 ]. RMS was calculated as follows: where n is the number of data series; Y * Dur (n) is the CoP in the anteroposterior direction in the duration section (Dur-section); Y * Pre is the mean value of CoP in the anteroposterior direction in the pre-sectiion (Pre-section); the subscript “*” is used to distinguish the stimulation body locations, namely, the GS or LM.…”
Section: Methodsmentioning
confidence: 99%
“…Each application required 30 s; this time was divided into the first 15 s and last 15 s to form the pre-section and duration section, respectively. In the duration section, the vibratory stimulus was applied to the GS or LM of the participant with his/her eyes closed [ 6 , 19 , 27 , 28 , 34 , 35 ]. The number of repetitions of stimulation was two, and the stimulation was given to GS and LM once for 15 s. Therefore, the total stimulation time was 30 s. In addition, the participants rested on a chair once for 60 s between measurements.…”
Section: Methodsmentioning
confidence: 99%
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