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Related Experiment Video

Updated: Jun 17, 2026

Comparative Analysis of Lower Limb Kinematics between the Initial and Terminal Phase of 5km Treadmill Running

Comparative Analysis of Lower Limb Kinematics between the Initial and Terminal Phase of 5km Treadmill Running

Published on: July 17, 2020

Lower limb joint kinetics during moderately sloped running.

Gaurav Telhan¹, Jason R Franz, Jay Dicharry

¹Department of Physical Medicine and Rehabilitation, University of Virginia, Charlottesville, VA 22908-1004, USA.

Journal of Athletic Training

|January 13, 2010

Summary

Moderate slope running minimally impacts joint kinetics in healthy runners, with slight increases in knee power absorption during decline and hip power changes. Running on level and moderate slopes is safe for training and injury recovery.

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Published on: September 14, 2017

Area of Science:

Biomechanics
Sports Medicine
Running Science

Background:

Understanding kinetic changes during sloped running is crucial for gait control mechanisms.
Investigating these changes can illuminate the relationship between lower extremity injuries and kinetic forces.
Training and rehabilitation programs can be modified based on tissue stress and injury risk.

Purpose of the Study:

To quantify 3-dimensional joint kinetic alterations during decline, level, and incline running.
To enhance the understanding of hill running biomechanics in healthy individuals.

Main Methods:

A crossover study design was employed.
Nineteen healthy runners participated in a 3-dimensional motion analysis.
Participants ran at a constant velocity (3.13 m/s) on a treadmill at 4 degrees decline, level, and 4 degrees incline.

Main Results:

Minimal effects on ankle, knee, and hip joint kinetics were observed at constant velocity.
Knee power absorption increased during decline running.
Hip power generation increased during incline running and absorption during early stance decline running.
The vertical ground reaction force's impact peak increased during decline running, with no changes in nonvertical components.

Conclusions:

Moderate slope running did not significantly alter 3D joint moments or active ground reaction force peaks.
Running on level and moderately inclined slopes is considered safe for training and post-injury recovery protocols.