Direction-Specific Signatures of Sport Participation in Center of Pressure Profiles of Division I Athletes

# Background Descriptive and comparative studies of human postural control generally report effects for component or resultant dimensions of a measured signal, which may obscure potentially important information related to off-cardinal directionality. Recent work has demonstrated highly specific b...

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Autores principales:	Stephen M. Glass, Scott E. Ross
Formato:	article
Lenguaje:	EN
Publicado:	North American Sports Medicine Institute 2021
Materias:	Sports medicine RC1200-1245
Acceso en línea:	https://doaj.org/article/7546257f9f8a4df8977cb8c976123616
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spelling	oai:doaj.org-article:7546257f9f8a4df8977cb8c9761236162021-12-02T18:11:14ZDirection-Specific Signatures of Sport Participation in Center of Pressure Profiles of Division I Athletes2159-2896https://doaj.org/article/7546257f9f8a4df8977cb8c9761236162021-10-01T00:00:00Zhttps://ijspt.scholasticahq.com/article/28227-direction-specific-signatures-of-sport-participation-in-center-of-pressure-profiles-of-division-i-athletes.pdfhttps://doaj.org/toc/2159-2896# Background Descriptive and comparative studies of human postural control generally report effects for component or resultant dimensions of a measured signal, which may obscure potentially important information related to off-cardinal directionality. Recent work has demonstrated highly specific balance behavior that is often not easily reconciled with conventional theories of postural control. # Purpose The purpose of this study was to quantify the effects of sport-specific training history on directional profiles of center of pressure (COP) displacement and velocity among collegiate athletes. # Study Design Cross-Sectional Study. # Methods One-hundred sixty-seven NCAA Division-I varsity athletes (80 female: 19.12±1.08 years, 169.79±7.03 cm, 65.69±10.43 kg; 87 male: 19.59±1.33 years, 181.25±9.06 cm, 76.40±12.73 kg) representing four sports (basketball, soccer, tennis, and cross county) participated in this study. Participants balanced barefoot with eyes closed on a force plate for 10-s. in double leg and single leg stance. Effects of sport on mean COP velocity and total displacement were assessed within eight non-overlapping directions (i.e. heading bins). # Results Greater double leg COP displacement and velocity were observed within specific heading bins in cross country athletes when compared to soccer athletes. Greater double leg COP velocity was also observed in multiple heading bins in basketball athletes when compared to soccer athletes. Greater single leg (non-dominant limb) COP displacement was observed in the 135° heading bin in basketball athletes when compared to soccer athletes. # Conclusions The observed effects are likely attributable to sport-specific sensorimotor adaptations, including lower extremity strength/power, proprioceptive acuity, and efficiency of integrating vestibular information. Other potential mechanism—namely the involvement of cutaneous feedback and/or muscle synergies—deserve consideration. Directional profiling of spontaneous COP motion may improve understanding of sport-related balance behavior, enhancing its application in therapeutic and performance monitoring contexts. # Level of evidence 3bStephen M. GlassScott E. RossNorth American Sports Medicine InstitutearticleSports medicineRC1200-1245ENInternational Journal of Sports Physical Therapy, Vol 16, Iss 5 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Sports medicine RC1200-1245
spellingShingle	Sports medicine RC1200-1245 Stephen M. Glass Scott E. Ross Direction-Specific Signatures of Sport Participation in Center of Pressure Profiles of Division I Athletes
description	# Background Descriptive and comparative studies of human postural control generally report effects for component or resultant dimensions of a measured signal, which may obscure potentially important information related to off-cardinal directionality. Recent work has demonstrated highly specific balance behavior that is often not easily reconciled with conventional theories of postural control. # Purpose The purpose of this study was to quantify the effects of sport-specific training history on directional profiles of center of pressure (COP) displacement and velocity among collegiate athletes. # Study Design Cross-Sectional Study. # Methods One-hundred sixty-seven NCAA Division-I varsity athletes (80 female: 19.12±1.08 years, 169.79±7.03 cm, 65.69±10.43 kg; 87 male: 19.59±1.33 years, 181.25±9.06 cm, 76.40±12.73 kg) representing four sports (basketball, soccer, tennis, and cross county) participated in this study. Participants balanced barefoot with eyes closed on a force plate for 10-s. in double leg and single leg stance. Effects of sport on mean COP velocity and total displacement were assessed within eight non-overlapping directions (i.e. heading bins). # Results Greater double leg COP displacement and velocity were observed within specific heading bins in cross country athletes when compared to soccer athletes. Greater double leg COP velocity was also observed in multiple heading bins in basketball athletes when compared to soccer athletes. Greater single leg (non-dominant limb) COP displacement was observed in the 135° heading bin in basketball athletes when compared to soccer athletes. # Conclusions The observed effects are likely attributable to sport-specific sensorimotor adaptations, including lower extremity strength/power, proprioceptive acuity, and efficiency of integrating vestibular information. Other potential mechanism—namely the involvement of cutaneous feedback and/or muscle synergies—deserve consideration. Directional profiling of spontaneous COP motion may improve understanding of sport-related balance behavior, enhancing its application in therapeutic and performance monitoring contexts. # Level of evidence 3b
format	article
author	Stephen M. Glass Scott E. Ross
author_facet	Stephen M. Glass Scott E. Ross
author_sort	Stephen M. Glass
title	Direction-Specific Signatures of Sport Participation in Center of Pressure Profiles of Division I Athletes
title_short	Direction-Specific Signatures of Sport Participation in Center of Pressure Profiles of Division I Athletes
title_full	Direction-Specific Signatures of Sport Participation in Center of Pressure Profiles of Division I Athletes
title_fullStr	Direction-Specific Signatures of Sport Participation in Center of Pressure Profiles of Division I Athletes
title_full_unstemmed	Direction-Specific Signatures of Sport Participation in Center of Pressure Profiles of Division I Athletes
title_sort	direction-specific signatures of sport participation in center of pressure profiles of division i athletes
publisher	North American Sports Medicine Institute
publishDate	2021
url	https://doaj.org/article/7546257f9f8a4df8977cb8c976123616
work_keys_str_mv	AT stephenmglass directionspecificsignaturesofsportparticipationincenterofpressureprofilesofdivisioniathletes AT scotteross directionspecificsignaturesofsportparticipationincenterofpressureprofilesofdivisioniathletes
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Direction-Specific Signatures of Sport Participation in Center of Pressure Profiles of Division I Athletes

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