2018
DOI: 10.1007/s00221-018-5217-3
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Coordination of plantar flexor muscles during bipedal and unipedal stances in young and elderly adults

Abstract: To investigate the effects of aging on coordination of plantar flexor muscles during bipedal and unipedal stances, we examined a relationship between the center of pressure sway and electromyographic activity of these muscles, and also the common neural input, using a coherence analysis. Healthy young and elderly adults were asked to perform bipedal and unipedal standing. The electromyograms were recorded unilaterally from the medial and lateral gastrocnemius (MG and LG) and soleus (SL) muscles, and the common… Show more

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Cited by 39 publications
(49 citation statements)
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“…These findings during unrestricted standing and the lack of modulation to a more challenging task are in agreement with previous studies investigating intermuscular coherence (Dagani et al. 2017; Watanabe et al., 2018a). Perhaps OLDER needed to up‐regulate the vestibular/somatosensory information to counteract deficiencies in, for example, proprioception (Piitulainen, Seipäjärvi, Avela, Parviainen, & Walker, 2018) in order to control posture in the eyes‐open task to the same level as YOUNG.…”
Section: Discussionsupporting
confidence: 93%
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“…These findings during unrestricted standing and the lack of modulation to a more challenging task are in agreement with previous studies investigating intermuscular coherence (Dagani et al. 2017; Watanabe et al., 2018a). Perhaps OLDER needed to up‐regulate the vestibular/somatosensory information to counteract deficiencies in, for example, proprioception (Piitulainen, Seipäjärvi, Avela, Parviainen, & Walker, 2018) in order to control posture in the eyes‐open task to the same level as YOUNG.…”
Section: Discussionsupporting
confidence: 93%
“…This seems to contradict the findings of Watanabe et al. (2018a,b) and should be clarified through further study.…”
Section: Introductioncontrasting
confidence: 82%
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