Validation of a Portable Wireless Force Platform System To Measure Ground Reaction Forces During Various Tasks.
Vasileios Mylonas, Christos Chalitsios, Thomas Nikodelis
PMID 38050544WHAT IT FOUND
Portable wireless force plates showed high agreement with laboratory gold standards for measuring vertical force during standing and jumping in three participants.
Deviations from known weights were under 0.1 kg. Results suggest these devices are valid alternatives for clinical and sports use.
Key findings
01Deviations from known masses ranged from 0.01 ± 0.04 kg to 0.04 ± 0.03 kg across weights up to 82.18 kg.
02Bland-Altman analysis showed limits of agreement for jump impulse ranging from approximately -0.52 to 5.54 N⋅s.
03The portable plates are 1-D, limiting their use for multidimensional analysis like joint moments during gait.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
Only three participants were tested, all of whom were physical education students familiar with the tasks. The portable plates are one-dimensional, so they cannot measure multidimensional forces required for gait analysis. The plates were not permanently fixed to the surface, creating a risk of slippage during dynamic jumps.
Declared interests
No specific funding or conflict of interest declarations are provided in the text.
The easy way to misread this
Do not assume these plates can replace laboratory systems for all biomechanical analyses. They measure only vertical force, so they cannot provide the multidimensional data needed for gait or joint moment analysis.