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Backpack Weight Impacts

Backpack Weight Impacts

Recruiting
18-65 years
All
Phase N/A

Overview

Backpacking is an increasingly popular outdoor recreational activity. The base pack weight (BPW) includes gear that is not consumed or worn on the body: shelter, sleep system, weather-proofing layers and personal gear to ensure a degree of comfort and safety. As such, reducing BPW is one of the most important tasks a backpacker manages when preparing for a trip. Available recommendations for ideal BPW are currently inconsistent, lack clear parameters, and rely on anecdotal evidence. The study aims to collect field data on perceived exertion and heart rate (HR) in relation to BPW during a day-long interval of hiking. Such findings can have implications on the cost and safety profiles extending from recreational backpacking to military and wilderness rescue operations.

Eligibility

Inclusion Criteria:

  • Only adult (age 18-65)
  • Have gone on at least two overnight backpacking trips in the past 5 years
  • Have hiked at least 8 miles in a day on one of those trips

Exclusion Criteria:

  • Lower extremity injuries or surgeries in the past 6-months
  • Daily Smokers
  • Chronic medical problems:
  • Hypertension
  • High cholesterol
  • Diabetes
  • Heart attack
  • Heart surgery, cardiac catheterization, or coronary angioplasty
  • Pacemaker/implantable cardiac defibrillator/rhythm disturbance
  • Heart valve disease
  • Heart failure
  • Heart transplantation
  • Congenital heart disease
  • Kidney disease
  • Back pain

Study details
    Exertion; Excess

NCT04249986

University of California, San Francisco

16 February 2024

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