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A Drone-Based Method to Measure Sprint Force-Velocity Profiles in 30-Meter Sprint Test - A Pilot Study.

The objective was to determine the test-retest reliability and concurrent validity of a drone system in comparison to a radar device. Seventeen male collegiate soccer players participated in two maximal 30-meter sprint runs. The test-retest reliability of the drone system was evaluated using intracl...

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Published in:Journal of Sports Science & Medicine Vol. 25; no. 2; pp. 536 - 547
Main Authors: Wang, Fahui, Hautier, Christophe, Song, Lin, Zhou, Yong, Guignard, Brice, Glaise, Paul, Zhang, Qingshan
Format: equations & formulas pictorial research tables/charts Journal Article
Published: Hakan Gur, Journal of Sports Science & Medicine Jun2026
Online Access:View this record in EBSCOhost
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      dt: Jun2026
      vid: 25
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      pub: Hakan Gur, Journal of Sports Science & Medicine
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        10.52082/jssm.2026.536
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        atl: A Drone-Based Method to Measure Sprint Force-Velocity Profiles in 30-Meter Sprint Test - A Pilot Study.
      aug:
        au:
          Wang, Fahui
          Hautier, Christophe
          Song, Lin
          Zhou, Yong
          Guignard, Brice
          Glaise, Paul
          Zhang, Qingshan
        affil: Université Lyon 1, LIBM, UR 7424, Villeurbanne, France
      sug:
        subj:
          Drone Aircraft Utilization
          Videorecording
          Sprinting Physiology
          Athletic Performance Physiology
          Soccer
          Athletes, Male Psychosocial Factors
          Athletes, College Psychosocial Factors
          Drone Aircraft Equipment and Supplies
          Motion Capture
          Human
          Funding Source
          Male
          Adult
          Pilot Studies
          Test-Retest Reliability
          Concurrent Validity
          Comparative Studies
          Intraclass Correlation Coefficient
          Descriptive Statistics
          Confidence Intervals
          Post Hoc Analysis
          Acceleration
          Adult: 19-44 years
          Male
      ab: The objective was to determine the test-retest reliability and concurrent validity of a drone system in comparison to a radar device. Seventeen male collegiate soccer players participated in two maximal 30-meter sprint runs. The test-retest reliability of the drone system was evaluated using intraclass correlation coefficients (ICC3,1), coefficient of variation (CV%), and standard error of measurement (SEM). Subsequently, the systematic bias and consistency of the two devices on various force-velocity (F-V) variables (e.g., maximal velocity [Vmax], theoretical maximal horizontal velocity [V0], theoretical maximal horizontal force [F0], the slope of the F-V relationship [SFV]) were evaluated using linear mixed model (LMM) and Bland-Altman analysis. The drone system demonstrated moderate to excellent test-retest reliability across all variables (0.59 ≤ ICC ≤ 0.95; CV% < 10%). While LMM analysis detected significant systematic differences for Vmax (p = 0.013) and V0 (p = 0.012), Bland-Altman analysis confirmed high practical agreement with minimal bias (≤ 1.12%) and narrow limits of agreement (LoA < 10%). Pmax, split times (T5m-T20m) and average accelerations (A10m-A20m) demonstrated greater consistency (%Bias ≤ 1.54%) with no significant systematic bias (p > 0.05). Conversely, early-acceleration and model-derived metrics (Tau, Amax, F0, SFV) exhibited significant bias (p ≤ 0.028) and wide LoA exceeding 10% (e.g., F0: -13.37% to 8.56%; SFV: -11.54% to 18.18%). In conclusion, although the drone system exhibits high monitoring value in the maximum speed phase, early-acceleration metrics (e.g., Amax, F0, and T5m) should be interpreted with caution for individual-level monitoring. The tracking instability during the early acceleration phase necessitates further algorithm optimization.
      pubtype: Academic Journal
      doctype:
        equations & formulas
        pictorial
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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