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The Foundational Role of Perception-Action Couplings for Expert Performance in Jump Rope.

Margarida Vaz de Carvalho¹, Henrique Lopes¹, Henrique Brito¹

¹CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, Portugal.

Psychology of Sport and Exercise

|June 22, 2026

Summary

This summary is machine-generated.

Expert athletes in jump rope speed sprints adapt by using subtle movement variability for better coordination and stability. This adaptability in perception-action couplings enhances performance outcomes in dynamic sports.

Keywords:

adaptability coordination ecological dynamics expertise functional variability

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Area of Science:

Sports Science
Motor Control
Biomechanics

Background:

Expert performance in dynamic sports relies on adaptation, not just repetition.
Athletes must regulate complex movements for stable performance in tasks like the Single Rope Speed Sprint (SRSS).
Movement variability, previously seen as noise, is crucial for adaptability and agency in experts.

Purpose of the Study:

To investigate how perception-action couplings contribute to expertise in the SRSS.
To compare global movement stability and local movement variability between expert and novice jumpers.
To test the hypothesis that experts show greater global stability and local variability.

Main Methods:

Thirty-six participants (18 experts, 18 novices) performed the SRSS.
Inertial sensors captured limb accelerations during the task.
Relative phase analyzed global foot coordination, and sample entropy (SampEn) measured local variability.

Main Results:

Experts demonstrated significantly superior performance, including better coordination and maintenance (p < .001).
Experts exhibited significantly higher SampEn across all limbs (p < .001), indicating greater local variability.
A non-linear relationship between local variability and global stability was observed in experts.

Conclusions:

Expertise in SRSS involves adaptable perception-action couplings.
This adaptability is expressed through enhanced local movement variability and global movement stability in experts.
Movement variability is a key indicator of adaptive expertise in dynamic coordination tasks.