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Estimating exercisality on urban trails using physical exercise trajectory data and network-constrained approach.

Cailin Qiu1, Jianquan Cheng2, Yi Lu3

  • 1Department of Urban and Rural Planning, School of Architecture, Tianjin University, Tianjin, China.

Social Science & Medicine (1982)
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Summary
This summary is machine-generated.

Green exercise enhances urban vitality by focusing on exerciser experiences. This study introduces "exercisality" and quantifies it on urban trails using app data, revealing key activity hotspots.

Keywords:
APP trajectory dataExercisalityGreen exerciseNetwork-constrained approachUrban trails

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Area of Science:

  • Urban planning and public health
  • Environmental psychology and human geography

Background:

  • Urban vitality is linked to green space, but exerciser experiences are understudied.
  • Existing research focuses on external green space functions, neglecting internal exerciser dynamics.

Purpose of the Study:

  • To propose a conceptual framework for "exercisality"—the internal functioning of exercisers.
  • To develop and validate a quantitative method for estimating exercisality on urban trails (EUT).
  • To identify EUT hotspots in urban areas.

Main Methods:

  • Developed a four-dimensional "exercisality" framework: density, diversity, time continuity, and energy expenditure.
  • Utilized physical exercise trajectory data from the Keep APP in central Beijing (2022).
  • Applied local indicators of network-constrained clusters to identify EUT hotspots.

Main Results:

  • Successfully estimated and validated exercisality on urban trails (EUT) using big data.
  • Identified significant EUT hotspots, indicating concentrated areas of green exercise.
  • The EUT index is scale-independent, suitable for large-scale trajectory data analysis.

Conclusions:

  • Exercisality is a crucial, measurable component of urban green space utilization.
  • The EUT index provides data-driven evidence for enhancing human well-being through urban green infrastructure.
  • This approach supports evidence-based urban planning for promoting physical activity and vitality.