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Related Concept Videos

Electrical Transport01:29

Electrical Transport

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The electrical transport property of a material is defined by its resistance and conductivity. Resistance is the measure of a material's ability to resist the flow of electric current, while conductivity gauges its ability to allow the current to pass through, depending on the geometry of the measurement cell, such as electrode spacing and area. Conductivity is measured in Siemens (S). There are different types of conductance, including specific conductance, equivalent conductance, and molar...
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Active Transport01:14

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Active transport is a critical biological process that allows cells to move solutes against an electrochemical gradient. This process requires direct energy input and is characterized by its selectivity, saturability, and susceptibility to competitive inhibition.
Primary active transporters, like Na+, K+ and -ATPase, directly utilize ATP to move ions across the membrane. These transporters play significant roles in various physiological processes. For instance, Na+, K+ and -ATPase maintain...
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Pedelecs as a physically active transportation mode.

James E Peterman1, Kalee L Morris2, Rodger Kram2

  • 1Department of Integrative Physiology, UCB 354, University of Colorado Boulder, Boulder, CO, 80309, USA. james.peterman@colorado.edu.

European Journal of Applied Physiology
|June 15, 2016
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Summary
This summary is machine-generated.

Pedelec commuting significantly improved cardiometabolic risk factors, including glucose levels and cardiorespiratory fitness, within four weeks. This study shows pedelecs are effective active transportation for improving health.

Keywords:
Active commutingCyclingElectric assist bicycleInterventionTransportation

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Area of Science:

  • Sports Medicine
  • Cardiovascular Health
  • Exercise Physiology

Background:

  • Pedelecs (pedal electric bicycles) offer electric assistance, increasing their popularity for commuting.
  • Sedentary commuters are a target population for interventions to improve cardiometabolic health.

Purpose of the Study:

  • To quantify real-world pedelec usage patterns over a 4-week period.
  • To determine the impact of pedelec commuting on cardiometabolic risk factors.

Main Methods:

  • Twenty sedentary commuters underwent baseline physiological assessments.
  • Participants commuted via pedelec for 4 weeks, at least 3 days/week for 40 min/day.
  • Heart rate and GPS data were used to estimate intensity (METS) and track usage; physiological measurements were repeated post-intervention.

Main Results:

  • Participants commuted an average of 317.9 km over 4 weeks, averaging 4.9 METS intensity.
  • Significant improvements were observed in 2-hour post-OGTT glucose and maximal oxygen consumption (VO2 max).
  • Trends suggested improvements in mean arterial blood pressure and fat mass; power output also increased significantly.

Conclusions:

  • Real-world pedelec commuting at moderate intensity helps meet physical activity recommendations.
  • Four weeks of pedelec use led to significant improvements in glucose regulation, cardiorespiratory fitness, and power output.
  • Pedelecs serve as an effective active transportation method, enhancing cardiometabolic health markers in a short timeframe.