What does this research mean for the field?

Elite volleyball players with symptomatic patellar tendinopathy exhibit reduced knee flexion and ankle dorsiflexion during unilateral jump landings, which can be effectively identified using wearable inertial sensors. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To determine whether wearable inertial measurement units can distinguish kinematic and kinetic landing characteristics between symptomatic and asymptomatic elite volleyball players with patellar tendinopathy during unilateral vertical jumps.

August 30, 2026BMC Sports Science Medicine and RehabilitationOpen Access

Wearable inertial sensor assessment of kinematic characteristics during unilateral jump landings in elite volleyball players with patellar tendinopathy: a cross-sectional study

View Full Paper

Ask AI

Bookmark

Authors

BZBenjamin BEN ZAKIUniversité de Montpellier GDGauthier DesmyttereCentre Hospitalier Universitaire de Montpellier SPStéphane PerreyEURECOM

Discussion

Member takes

Implication

Cross-sectional study reveals altered landing kinematics in volleyball players with patellar tendinopathy, indicating wearable sensors can detect movement deficits linked to tendon pain.

Key Points

To determine whether wearable inertial measurement units can distinguish kinematic and kinetic landing characteristics between symptomatic and asymptomatic elite volleyball players with patellar tendinopathy during unilateral vertical jumps.
Cross-sectional study of 30 elite male volleyball players, including 10 symptomatic individuals meeting criteria of Victorian Institute of Sport Assessment–Patellar (VISA-P) score ≤ 80, pain during single-leg decline squatting, and localized tendon pain mapping.
Participants performed single-leg countermovement jumps and single-leg drop jumps evaluated with 8 wearable inertial measurement units (100 Hz) and force platforms (1000 Hz).
Players with patellar tendinopathy exhibited significantly reduced knee flexion at initial contact, peak, and peak estimated vertical ground reaction force during drop jumps (adjusted p < 0.05; Hedges’ g = 0.82–1.60).
During countermovement jumps, the patellar tendinopathy group showed decreased ankle dorsiflexion angle at peak vertical ground reaction force, range of motion, and peak angular acceleration (adjusted p ≤ 0.04; Hedges’ g = 0.84–1.35), while kinetic measures showed no significant between-group differences.
Greater symptom severity was strongly correlated with reduced knee angle at peak estimated ground reaction force during drop jumps, as well as reduced ankle angles during countermovement jumps (ρ = 0.66–0.83, p ≤ 0.04).

Cite This Study

ZAKI et al. (2026) studied this question.

synapsesocial.com/papers/6a93f1176c1a8fb52e79dbda https://doi.org/10.1186/s13102-026-02040-w

View Full Paper

Ask AI

Bookmark

Implication

Cross-sectional study reveals altered landing kinematics in volleyball players with patellar tendinopathy, indicating wearable sensors can detect movement deficits linked to tendon pain.

Wearable inertial sensor assessment of kinematic characteristics during unilateral jump landings in elite volleyball players with patellar tendinopathy: a cross-sectional study

Discussion

Member takes

Implication

Key Points

Cite This Study

Wearable inertial sensor assessment of kinematic characteristics during unilateral jump landings in elite volleyball players with patellar tendinopathy: a cross-sectional study

Discussion

Member takes

Implication

Key Points

Cite This Study

Also Consider

Also Consider