ArticleOrthopaedic journal of sports medicine2025
Load Analysis of Kitesurfing Jumps: Is Kite Position Rather Than Jump Height More Crucial for Landing Impact Protection?
Article in Orthopaedic journal of sports medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: In kitesurfing, acute and overuse injuries are caused by high-impact loads, acceleration loads, and tensile loads, primarily affecting the lower extremities. Purpose: To determine the specific differences in jump and landing loads on the lower extremities within the 2 kitesurfing subdisciplines "Big Air" and "Freestyle." Study Design: Descriptive laboratory study. Methods: Six Big Air kitesurfers (mean ± SD age, 24 ± 1.7 years) and 6 Freestyle kitesurfers (24.5 ± 3.6 years) were recruited. Jump height, airtime, landing acceleration, and maximal vertical ground-reaction force on both feet soles during take-off and landing were determined using sensor insoles (Moticon ReGo AG) and an altitude and acceleration sensor (WOO Sports). The performed jumps were divided into 2 further subgroups based on their maneuver characteristics. Freestyle was divided into "moderate" and "aggressive", while Big Air was divided into "kiteloop successful" and "kiteloop failed." Results: In Freestyle (n = 6), the moderate subgroup compared with the aggressive subgroup achieved a significantly higher mean jump height (1.9 ± 0.5 m vs 1.6 ± 0.3 m; Conclusion: Our study demonstrated that particularly during aggressive Freestyle jumps and failed kiteloop Big Air jumps, significant mechanical loading of the lower extremities was observed. In the Big Air subdiscipline, this mainly results from a missing parachute effect of the kite, which normally guarantees a protective role in high jumps with successful kiteloops. Clinical Relevance: High mechanical loading during kitesurfing, especially with the aggressive freestyle riding style and failed kiteloop maneuvers, may be the cause of acute and overuse sports injuries and need to be considered in the future development of prevention concepts.
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