Early emergence of temporal co-ordination of lower limb segments elevation angles in human locomotion

Guy Cheron, Ana Bengoetxea, Ethel Bouillot, Francesco Lacquaniti, Bernard Dan

Research output: Contribution to journalArticle

Abstract

We analysed the co-ordination of the elevation angles of the thigh (αt), shank (αs) and foot (αf) during walking in 19 adults and 21 children (aged 11-144 months), including the very first unsupported steps in four. Cross-correlation functions (CCF) maturation of pairs of elevation angles was quantified by a global error parameter (Et(CCF)) reflecting the difference between particular CCF value of toddlers and mean adult value (Ea(CCF)). During the very first step, Et(CCF) could be five times higher than Ea(CCF). With walking experience, Et(CCF) for both αts and αsf pairs evolved following a biexponential profile, with a fast time constant below 6 months. Adult-like CCF parameters were reached earlier for αsf than αts, indicating disto-proximal maturation of the temporal co-ordination of the lower limb segments in human locomotion.

Original languageEnglish
Pages (from-to)123-127
Number of pages5
JournalNeuroscience Letters
Volume308
Issue number2
DOIs
Publication statusPublished - Aug 3 2001

Fingerprint

Locomotion
Walking
Lower Extremity
Thigh
Foot

Keywords

  • Development
  • Locomotion
  • Lower limb
  • Temporal co-ordination

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Early emergence of temporal co-ordination of lower limb segments elevation angles in human locomotion. / Cheron, Guy; Bengoetxea, Ana; Bouillot, Ethel; Lacquaniti, Francesco; Dan, Bernard.

In: Neuroscience Letters, Vol. 308, No. 2, 03.08.2001, p. 123-127.

Research output: Contribution to journalArticle

Cheron, Guy ; Bengoetxea, Ana ; Bouillot, Ethel ; Lacquaniti, Francesco ; Dan, Bernard. / Early emergence of temporal co-ordination of lower limb segments elevation angles in human locomotion. In: Neuroscience Letters. 2001 ; Vol. 308, No. 2. pp. 123-127.
@article{de10d8c27d454ce9bc9471ee4821fbe2,
title = "Early emergence of temporal co-ordination of lower limb segments elevation angles in human locomotion",
abstract = "We analysed the co-ordination of the elevation angles of the thigh (αt), shank (αs) and foot (αf) during walking in 19 adults and 21 children (aged 11-144 months), including the very first unsupported steps in four. Cross-correlation functions (CCF) maturation of pairs of elevation angles was quantified by a global error parameter (Et(CCF)) reflecting the difference between particular CCF value of toddlers and mean adult value (Ea(CCF)). During the very first step, Et(CCF) could be five times higher than Ea(CCF). With walking experience, Et(CCF) for both αt-αs and αs-αf pairs evolved following a biexponential profile, with a fast time constant below 6 months. Adult-like CCF parameters were reached earlier for αs-αf than αt-αs, indicating disto-proximal maturation of the temporal co-ordination of the lower limb segments in human locomotion.",
keywords = "Development, Locomotion, Lower limb, Temporal co-ordination",
author = "Guy Cheron and Ana Bengoetxea and Ethel Bouillot and Francesco Lacquaniti and Bernard Dan",
year = "2001",
month = "8",
day = "3",
doi = "10.1016/S0304-3940(01)01925-5",
language = "English",
volume = "308",
pages = "123--127",
journal = "Neuroscience Letters",
issn = "0304-3940",
publisher = "Elsevier Ireland Ltd",
number = "2",

}

TY - JOUR

T1 - Early emergence of temporal co-ordination of lower limb segments elevation angles in human locomotion

AU - Cheron, Guy

AU - Bengoetxea, Ana

AU - Bouillot, Ethel

AU - Lacquaniti, Francesco

AU - Dan, Bernard

PY - 2001/8/3

Y1 - 2001/8/3

N2 - We analysed the co-ordination of the elevation angles of the thigh (αt), shank (αs) and foot (αf) during walking in 19 adults and 21 children (aged 11-144 months), including the very first unsupported steps in four. Cross-correlation functions (CCF) maturation of pairs of elevation angles was quantified by a global error parameter (Et(CCF)) reflecting the difference between particular CCF value of toddlers and mean adult value (Ea(CCF)). During the very first step, Et(CCF) could be five times higher than Ea(CCF). With walking experience, Et(CCF) for both αt-αs and αs-αf pairs evolved following a biexponential profile, with a fast time constant below 6 months. Adult-like CCF parameters were reached earlier for αs-αf than αt-αs, indicating disto-proximal maturation of the temporal co-ordination of the lower limb segments in human locomotion.

AB - We analysed the co-ordination of the elevation angles of the thigh (αt), shank (αs) and foot (αf) during walking in 19 adults and 21 children (aged 11-144 months), including the very first unsupported steps in four. Cross-correlation functions (CCF) maturation of pairs of elevation angles was quantified by a global error parameter (Et(CCF)) reflecting the difference between particular CCF value of toddlers and mean adult value (Ea(CCF)). During the very first step, Et(CCF) could be five times higher than Ea(CCF). With walking experience, Et(CCF) for both αt-αs and αs-αf pairs evolved following a biexponential profile, with a fast time constant below 6 months. Adult-like CCF parameters were reached earlier for αs-αf than αt-αs, indicating disto-proximal maturation of the temporal co-ordination of the lower limb segments in human locomotion.

KW - Development

KW - Locomotion

KW - Lower limb

KW - Temporal co-ordination

UR - http://www.scopus.com/inward/record.url?scp=0035800624&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0035800624&partnerID=8YFLogxK

U2 - 10.1016/S0304-3940(01)01925-5

DO - 10.1016/S0304-3940(01)01925-5

M3 - Article

C2 - 11457575

AN - SCOPUS:0035800624

VL - 308

SP - 123

EP - 127

JO - Neuroscience Letters

JF - Neuroscience Letters

SN - 0304-3940

IS - 2

ER -