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Related Experiment Video

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Effects of a Novel Neuromuscular Training Intervention on Jump, Sprint, and Change of Direction in Adult Female Soccer Players

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Improvement in sprint start performance by modulating an initial loading location on the starting blocks.

Ryu Nagahara¹, Sam Gleadhill¹, Yuji Ohshima²

¹National Institute of Fitness and Sports in Kanoya, Kanoya , Kagoshima, Japan.

Journal of Sports Sciences

|July 2, 2020

Summary

Modulating the centre of pressure (COP) on starting blocks may not improve sprint starts for all athletes, but can enhance performance for specific individuals. Tailoring block positioning can optimize power output and reduce sprint times for certain sprinters.

Keywords:

Block clearance GRF SPM acceleration power

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Area of Science:

Sports Science
Biomechanics
Athletic Performance

Background:

Optimizing sprint start performance is crucial for track and field athletes.
Understanding the role of centre of pressure (COP) on starting blocks is key to improving technique.

Purpose of the Study:

To investigate if altering the COP on starting blocks improves sprint start performance.
To identify specific conditions and athlete characteristics that benefit from COP modulation.

Main Methods:

Twenty male national-level sprinters performed 15-m sprints under normal, anterior loading, and posterior loading conditions.
Ground reaction forces (GRFs) were recorded to calculate COP location, 10-m time, average horizontal external power (AHEP), and other variables.

Main Results:

COP modulation did not universally improve sprint starts but showed potential for individual enhancement.
Anterior loading may improve AHEP for sprinters favoring posterior block positions, linked to increased rear block force.
Posterior loading might improve 10-m time and AHEP for some, particularly with shorter reaction times.

Conclusions:

Sprint start performance can be individually optimized by adjusting COP on starting blocks.
Anterior and posterior loading conditions offer specific benefits for certain sprinters, highlighting the need for personalized approaches.