Gait coordination deteriorates in independent old-old adults

Yoav Gimmon, Hisham Rashad, Ilan Kurz, Meir Plotnik, Raziel Riemer, Ronen Debi, Amir Shapiro, Itshak Melzer

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


Human gait is symmetric and bilaterally coordinated in young healthy persons. In this study, we aimed to explore the differences in bilateral coordination of gait as measured by the phase coordination index (PCI), gait asymmetry, and stride time variability of gait between four age groups. A total of 44 older adults were recruited: nine young-old (age 70-74 years), 26 old (age 75-84 years), nine old-old (>85 years and older), and 13 young adults (age 20-30 years). Subjects walked on a treadmill; walking speed was systematically increased from 0.5 to 0.9 m/s in steps of 0.1 m/s. There were marginal effects of age on PCI, significant main effects of walking speeds without interaction between walking speeds and age group. A difference in PCI could distinguish between young’s and late aging group, and only during their preferred treadmills walking speed. This study explicitly shows that bilateral coordination of walking is modified by gait speed, and deteriorates only at a very old age.

Original languageEnglish
Pages (from-to)382-389
Number of pages8
JournalJournal of Aging and Physical Activity
Issue number3
StatePublished - 1 Jul 2018


  • Aging
  • Bilateral coordination of gait
  • Gait asymmetry
  • Gait speed
  • Stride time variability

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation
  • Gerontology
  • Geriatrics and Gerontology


Dive into the research topics of 'Gait coordination deteriorates in independent old-old adults'. Together they form a unique fingerprint.

Cite this