Use of global positioning systems to study physical activity and the environment: a systematic review

PJ Krenn, S Titze, P Oja, A Jones, D Ogilvie - American journal of …, 2011 - Elsevier
CONTEXT: The GPS represents an innovative way to objectively assess the spatial locations
of physical activity behavior. The aim of this systematic review was to determine the …

Using global positioning systems in health research: a practical approach to data collection and processing

J Kerr, S Duncan, J Schipperjin - American journal of preventive medicine, 2011 - Elsevier
The use of GPS devices in health research is increasingly popular. There are currently no
best-practice guidelines for collecting, processing, and analyzing GPS data. The …

Can we use digital life-log images to investigate active and sedentary travel behaviour? Results from a pilot study

P Kelly, A Doherty, E Berry, S Hodges… - International Journal of …, 2011 - Springer
Background Active travel such as walking and cycling has potential to increase physical
activity levels in sedentary individuals. Motorised car travel is a sedentary behaviour that …

A new time measurement method using a high-end global navigation satellite system to analyze alpine skiing

M Supej, HC Holmberg - Research Quarterly for Exercise and Sport, 2011 - Taylor & Francis
Accurate time measurement is essential to temporal analysis in sport. This study aimed to (a)
develop a new method for time computation from surveyed trajectories using a high-end …

The reliability and validity of subjective notational analysis in comparison to global positioning system tracking to assess athlete movement patterns

SN Dogramac, ML Watsford… - The Journal of Strength & …, 2011 - journals.lww.com
Doğramacı, SN, Watsford, ML, and Murphy, AJ. The reliability and validity of subjective
notational analysis in comparison to GPS tracking to assess athlete movement patterns. J …

Methods for determining route distances in active commuting–Their validity and reproducibility

E Stigell, P Schantz - Journal of Transport Geography, 2011 - Elsevier
Distance is a variable of pivotal importance in transport studies. Therefore, after checking the
validity of a potential criterion method for measuring active commuting route distances, this …

Measuring children's independent mobility: comparing objective and self-report approaches

HM Badland, M Oliver, MJ Duncan… - Children's …, 2011 - Taylor & Francis
How children interact with their neighbourhood environment has changed substantially over
the last few decades. Children are frequently now driven to common destinations (eg …

Geo-enabled technologies for independent living: examples from four European projects

MNK Boulos, A Anastasiou, E Bekiaris… - Technology and …, 2011 - content.iospress.com
Abstract Today, GPS (Global Positioning System) devices are no longer an emerging
technology, but are rather much like the transistor radio and the electronic calculator were in …

[PDF][PDF] Using mobile geographic information system (GIS) techniques to develop a location-based tour guiding system based on user evaluations

CW CHEN, TH CHU, ML LIN… - International Journal of …, 2011 - academicjournals.org
This study developed a mobile tour guiding system which uses mobile geographic
information system (GIS) techniques to provide spatial and guiding information based on …

Liikuntateknologia kilpasuunnistajan harjoittelun ohjaajana ja motivaattorina

T Kari - 2011 - jyx.jyu.fi
Kari, Tuomas Liikuntateknologia kilpasuunnistajan harjoittelun ohjaajana ja motivaattorina
Jyväskylä: Jyväskylän yliopisto, 2011, 105 s. Tietojärjestelmätiede, pro gradu-tutkielma …