Effects of reduced plantar cutaneous sensation on static postural control in individuals with and without chronic ankle instability

Kyeongtak Song, Tae Kyu Kang, Erik A. Wikstrom, Hyung pil Jun, Sae Yong Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Objectives The purpose of this study was to determine how reduced plantar cutaneous sensation influences static postural control in individuals with and without CAI. Design A case-control study design. Methods Twenty-six individuals with self-reported CAI and 26 matched healthy controls participated in this study. The plantar aspect of the participants’ foot was then submersed in ice water (0 °C) for 10 min to reduce plantar sensation. Before and after the cooling procedure, plantar cutaneous sensation thresholds and single leg balance with eyes open and closed were assessed. Results Significantly, higher scores were observed in both groups after ice water submersion (p < 0.001) indicating a significant reduction in the plantar cutaneous sensitivity after the cooling procedure. In single limb balance with eyes open, there were significant intervention main effects for the TTB ML mean (p < 0.001), TTB AP mean (p = 0.035) and TTB ML SD (p = 0.021); indicating postural control improvement in both groups post-cooling. In single limb balance with eyes closed, Group × Intervention interactions were observed for the TTB AP mean (p = 0.003) and TTB AP SD (p = 0.017); indicating postural control deficits in CAI group post-cooling, but no changes in the control group. Conclusions The main finding of this study was that reduced plantar cutaneous sensation induced by an ice submersion procedure caused eyes closed postural control impairments in those with CAI but not healthy controls. The present investigation demonstrated that the ability to dynamically reweight among sensory inputs to maintain postural stability appears to be diminished in CAI patients compared to healthy controls.

Original languageEnglish
Pages (from-to)910-914
Number of pages5
JournalJournal of Science and Medicine in Sport
Volume20
Issue number10
DOIs
Publication statusPublished - 2017 Oct 1

Fingerprint

Ankle
Ice
Skin
Immersion
Extremities
Aptitude
Water
Case-Control Studies
Foot
Leg
Control Groups

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

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title = "Effects of reduced plantar cutaneous sensation on static postural control in individuals with and without chronic ankle instability",
abstract = "Objectives The purpose of this study was to determine how reduced plantar cutaneous sensation influences static postural control in individuals with and without CAI. Design A case-control study design. Methods Twenty-six individuals with self-reported CAI and 26 matched healthy controls participated in this study. The plantar aspect of the participants’ foot was then submersed in ice water (0 °C) for 10 min to reduce plantar sensation. Before and after the cooling procedure, plantar cutaneous sensation thresholds and single leg balance with eyes open and closed were assessed. Results Significantly, higher scores were observed in both groups after ice water submersion (p < 0.001) indicating a significant reduction in the plantar cutaneous sensitivity after the cooling procedure. In single limb balance with eyes open, there were significant intervention main effects for the TTB ML mean (p < 0.001), TTB AP mean (p = 0.035) and TTB ML SD (p = 0.021); indicating postural control improvement in both groups post-cooling. In single limb balance with eyes closed, Group × Intervention interactions were observed for the TTB AP mean (p = 0.003) and TTB AP SD (p = 0.017); indicating postural control deficits in CAI group post-cooling, but no changes in the control group. Conclusions The main finding of this study was that reduced plantar cutaneous sensation induced by an ice submersion procedure caused eyes closed postural control impairments in those with CAI but not healthy controls. The present investigation demonstrated that the ability to dynamically reweight among sensory inputs to maintain postural stability appears to be diminished in CAI patients compared to healthy controls.",
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Effects of reduced plantar cutaneous sensation on static postural control in individuals with and without chronic ankle instability. / Song, Kyeongtak; Kang, Tae Kyu; Wikstrom, Erik A.; Jun, Hyung pil; Lee, Sae Yong.

In: Journal of Science and Medicine in Sport, Vol. 20, No. 10, 01.10.2017, p. 910-914.

Research output: Contribution to journalArticle

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T1 - Effects of reduced plantar cutaneous sensation on static postural control in individuals with and without chronic ankle instability

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AU - Kang, Tae Kyu

AU - Wikstrom, Erik A.

AU - Jun, Hyung pil

AU - Lee, Sae Yong

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N2 - Objectives The purpose of this study was to determine how reduced plantar cutaneous sensation influences static postural control in individuals with and without CAI. Design A case-control study design. Methods Twenty-six individuals with self-reported CAI and 26 matched healthy controls participated in this study. The plantar aspect of the participants’ foot was then submersed in ice water (0 °C) for 10 min to reduce plantar sensation. Before and after the cooling procedure, plantar cutaneous sensation thresholds and single leg balance with eyes open and closed were assessed. Results Significantly, higher scores were observed in both groups after ice water submersion (p < 0.001) indicating a significant reduction in the plantar cutaneous sensitivity after the cooling procedure. In single limb balance with eyes open, there were significant intervention main effects for the TTB ML mean (p < 0.001), TTB AP mean (p = 0.035) and TTB ML SD (p = 0.021); indicating postural control improvement in both groups post-cooling. In single limb balance with eyes closed, Group × Intervention interactions were observed for the TTB AP mean (p = 0.003) and TTB AP SD (p = 0.017); indicating postural control deficits in CAI group post-cooling, but no changes in the control group. Conclusions The main finding of this study was that reduced plantar cutaneous sensation induced by an ice submersion procedure caused eyes closed postural control impairments in those with CAI but not healthy controls. The present investigation demonstrated that the ability to dynamically reweight among sensory inputs to maintain postural stability appears to be diminished in CAI patients compared to healthy controls.

AB - Objectives The purpose of this study was to determine how reduced plantar cutaneous sensation influences static postural control in individuals with and without CAI. Design A case-control study design. Methods Twenty-six individuals with self-reported CAI and 26 matched healthy controls participated in this study. The plantar aspect of the participants’ foot was then submersed in ice water (0 °C) for 10 min to reduce plantar sensation. Before and after the cooling procedure, plantar cutaneous sensation thresholds and single leg balance with eyes open and closed were assessed. Results Significantly, higher scores were observed in both groups after ice water submersion (p < 0.001) indicating a significant reduction in the plantar cutaneous sensitivity after the cooling procedure. In single limb balance with eyes open, there were significant intervention main effects for the TTB ML mean (p < 0.001), TTB AP mean (p = 0.035) and TTB ML SD (p = 0.021); indicating postural control improvement in both groups post-cooling. In single limb balance with eyes closed, Group × Intervention interactions were observed for the TTB AP mean (p = 0.003) and TTB AP SD (p = 0.017); indicating postural control deficits in CAI group post-cooling, but no changes in the control group. Conclusions The main finding of this study was that reduced plantar cutaneous sensation induced by an ice submersion procedure caused eyes closed postural control impairments in those with CAI but not healthy controls. The present investigation demonstrated that the ability to dynamically reweight among sensory inputs to maintain postural stability appears to be diminished in CAI patients compared to healthy controls.

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