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

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Published on: July 17, 2020

The effects of specific athletic training on path selection while running.

Amy L Hackney¹, Allison Zakoor², Michael E Cinelli²

¹Department of Kinesiology, University of Waterloo, ON, Canada.

|December 3, 2014

Summary

This summary is machine-generated.

Individuals avoid narrow apertures regardless of running speed or athletic training. People naturally choose to go around openings smaller than 1.4 times their shoulder width, but pass through larger ones.

Keywords:

Action-scaled Aperture crossing Athletic training Path selection

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Area of Science:

Biomechanics
Human locomotion
Spatial navigation

Background:

Apertures smaller than 1.3 times shoulder width (SW) necessitate gait adjustments.
Individuals prefer avoiding narrow apertures over shoulder rotation during ambulation.
Previous research has not clarified if approach speed or training affects aperture negotiation choices.

Purpose of the Study:

To investigate the influence of approach speed and specific athletic training on voluntary path selection when navigating apertures.
To determine if running speed alters aperture crossing behavior compared to walking.
To assess if specialized training impacts the choice between passing through or around narrow spaces.

Main Methods:

Six specifically-trained athletes and six untrained adults participated.
Participants ran towards a goal, encountering apertures ranging from 0.6 to 1.8 times their SW.
Choices to run through or around the aperture were recorded at varying speeds.

Main Results:

Participants consistently ran around apertures <1.4x SW and through apertures >1.4x SW, irrespective of training.
Increased approach speed (running) did not change aperture crossing behavior compared to walking.
Athletes and non-athletes exhibited similar path selection strategies when faced with aperture choices.

Conclusions:

Approach speed and specific athletic training do not significantly influence voluntary path selection for aperture negotiation.
Individuals' aperture crossing behavior is primarily determined by the aperture's size relative to their shoulder width.
The findings suggest a consistent, size-dependent strategy for navigating constrained spaces, regardless of training or speed.