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Related Experiment Video

Updated: May 28, 2026

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication

Published on: December 11, 2013

Normalizing considerations for time to stabilization assessment.

Phillip A Gribble¹, Jessica Mitterholzer, Alyse N Myers

¹Department of Kinesiology, University of Toledo, USA. phillip.gribble@utoledo.edu

Journal of Science and Medicine in Sport

|October 5, 2011

Summary

Normalizing horizontal jumping distance for single-limb landings increases time to stabilization (TTS) in healthy adults. This normalized method better reflects dynamic stability related to leg length, suggesting its use in future research.

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Area of Science:

Biomechanics
Kinesiology
Sports Science

Background:

Time to stabilization (TTS) is increasingly used in lower extremity research.
The necessity for further normalization of task performance in single-limb landing studies is under investigation.

Purpose of the Study:

To compare time to stabilization (TTS) in healthy participants performing a single-limb landing task with standardized versus normalized horizontal jumping distances.

Main Methods:

A crossover study design was employed.
Twenty-one healthy participants performed single-limb landings from standardized (70 cm) and normalized (leg length) horizontal jumping distances.
Resultant vector time to stabilization (RVTTS) was calculated to assess dynamic stability.

Main Results:

Participants exhibited a significantly longer RVTTS with normalized jumping distance (1.997±0.181 s) compared to standardized distance (1.921±0.126 s).
RVTTS during normalized jumping distance showed a stronger correlation with leg length (r=0.628) than during standardized distance (r=0.563).

Conclusions:

Normalizing horizontal jumping distance during single-limb landings results in a performance decrement in RVTTS for healthy individuals.
Given the stronger correlation with leg length, researchers may consider normalizing jumping distance for dynamic stability assessments using RVTTS.