Walking Before and During a Sea Voyage

Chih Hui Chang, Nicholas Stergiou, Jeff Kaipust, Eric Haaland, Yi Wang, Fu Chen Chen, Thomas Stoffregen

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Stationary and moving surfaces impose different constraints on walking. In this study we investigated within-participants differences between walking on a ship before (at the dock) and during (at sea) a sea voyage. Four individuals participated in the study. While on the ship they wore a tri-axial accelerometer (ActiGraph GT3X+; ActiGraph LLC, Pensacola, FL) on their waists. Activity data were sampled at 30 Hz. Data were collected on the day before the voyage began and on several days at sea. The number of steps per day was greater at the dock than at sea. The net resultant force per day also was greater at the dock than at sea. However, resultant force per step was greater at sea (79.97 ± 8.50 vector magnitude counts/step) than on land (62.94 ± 10.03 vector magnitude counts/step). In addition, we observed variations in resultant force per step across days at sea. Ship motion decreased overall activity but increased the force per step.

Original languageEnglish (US)
Pages (from-to)87-101
Number of pages15
JournalEcological Psychology
Volume27
Issue number1
DOIs
StatePublished - Jan 2 2015

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    Chang, C. H., Stergiou, N., Kaipust, J., Haaland, E., Wang, Y., Chen, F. C., & Stoffregen, T. (2015). Walking Before and During a Sea Voyage. Ecological Psychology, 27(1), 87-101. https://doi.org/10.1080/10407413.2015.991656