Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Transverse plane kinetics during treadmill walking with and without a load.

M LaFiandra1, K G Holt, R C Wagenaar

  • 1Sargent College of Health and Rehabilitation Sciences, Boston University, USA. michael.lafiandra@na.amedd.army.mil

Clinical Biomechanics (Bristol, Avon)
|February 8, 2002
PubMed
Summary

Wearing a backpack significantly increases upper and lower body torque during walking. This suggests that minimizing upper body torque is a key adaptation for injury prevention when carrying loads.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Outbreaks attributed to pork in the United States, 1998-2015.

Epidemiology and infection·2017
Same author

Patterns of human interlimb coordination emerge from the properties of non-linear, limit cycle oscillatory processes.

Journal of motor behavior·2013
Same author

Can the transitions to and from running and the metabolic cost of running be determined from the kinetic energy of running?

Journal of motor behavior·2009
Same author

Effects of a hip belt on transverse plane trunk coordination and stability during load carriage.

Journal of biomechanics·2008
Same author

Coordination and stability of one-legged hopping patterns in patients with anterior cruciate ligament reconstruction: preliminary results.

Clinical biomechanics (Bristol, Avon)·2003
Same author

How do load carriage and walking speed influence trunk coordination and stride parameters?

Journal of biomechanics·2002

Area of Science:

  • Biomechanics
  • Human Movement Analysis
  • Ergonomics

Background:

  • During unloaded walking, the upper and lower body counter-rotate to minimize net angular momentum.
  • Load carriage reduces this counter-rotation, indicating a more rigid link between body segments.
  • This study investigated the impact of backpack load on body torque and coordination.

Purpose of the Study:

  • To quantify the effects of backpack load carriage on transverse plane upper and lower body torque.
  • To examine how load carriage influences the coordination between upper and lower body segments during walking.

Main Methods:

  • Twelve healthy adults walked on a treadmill at various speeds (0.6-1.6 m/s) with and without a backpack (40% body mass).
  • Kinematic data were collected, and upper and lower body torque were calculated based on angular acceleration and moment of inertia.

Related Experiment Videos

Main Results:

  • Load carriage resulted in significantly higher upper and lower body torque compared to unloaded walking.
  • Upper body torque increased by 225%, while upper body moment of inertia increased by 400% during load carriage.

Conclusions:

  • The observed increase in torque during load carriage suggests a biomechanical strategy to minimize upper body torque.
  • Understanding these torque dynamics and coordination changes may offer insights into injury reduction strategies for load carriage activities.