Optimization of Ski Attitude for the In-Flight Aerodynamic Performance of Ski Jumping [PDF]
Biology, 2022 The control and adjustment of in-flight attitudes are critical to enlarging the flight distance of ski jumping. As one of the most important gears, the skis provide sufficient lift and drag forces for the athletes, and thus their in-flight attitudes ...
Lianzhong Cao +5 more
doaj +5 more sources
Kinematic Determination of the Aerial Phase in Ski Jumping [PDF]
Sensors, 2022 The purpose of this study was to find a generic method to determine the aerial phase of ski jumping in which the athlete is in a steady gliding condition, commonly known as the ‘stable flight’ phase.
Ola Elfmark +2 more
exaly +5 more sources
Performance Analysis in Ski Jumping with a Differential Global Navigation Satellite System and Video-Based Pose Estimation [PDF]
Sensors, 2021 This study investigated the explanatory power of a sensor fusion of two complementary methods to explain performance and its underlying mechanisms in ski jumping. A differential Global Navigation Satellite System (dGNSS) and a markerless video-based pose
Ola Elfmark +2 more
exaly +5 more sources
Key transition technology of ski jumping based on inertial motion unit, kinematics and dynamics [PDF]
BioMedical Engineering OnLine, 2023 Background The development and innovation of biomechanical measurement methods provide a solution to the problems in ski jumping research. At present, research on ski jumping mostly focuses on the local technical characteristics of different phases, but ...
Jinglun Yu +8 more
doaj +3 more sources
Performance and Biomechanics in the Flight Period of Ski Jumping: Influence of Ski Attitude [PDF]
Biology, 2022 The performance of ski jumping is underpinned by multi-disciplinary principles, in which the aerodynamics of the ski dominates the flying distance and affects the biomechanics of the athletes’ ankle during the flight period. Conventional research on this
Lin Zhang +4 more
doaj +3 more sources
Experimental Validation of Real-Time Ski Jumping Tracking System Based on Wearable Sensors [PDF]
Sensors, 2021 For sports scientists and coaches, its crucial to have reliable tracking systems to improve athletes. Therefore, this study aimed to examine the validity of a wearable real-time tracking system (WRRTS) for the quantification of ski jumping.
Johannes Link +2 more
doaj +3 more sources
Influence of suit size and air permeability on performance in ski jumping. Part I: wind tunnel measurements [PDF]
Frontiers in Sports and Active LivingIn the first of a two-part study, the purpose was to investigate the influence of suit size and air permeability on ski jumping performance using wind tunnel measurements and numerical simulations.
Mikko Virmavirta +10 more
doaj +3 more sources
Investigation of individual strategies in the aerial phase in ski jumping [PDF]
Scientific Reports, 2023 The purpose of this investigation was to examine the performance strategy of three ski jumpers during the steady glide phase and explain how different strategical solutions can lead to jumps of roughly the same length.
Petter Andre Husevåg Jølstad +2 more
doaj +3 more sources
Optimization of ski jumping in-run posture using computational fluid dynamics [PDF]
Scientific ReportsWhile aerodynamic optimization during ski jumping flight phases is well-studied, critical knowledge gaps persist regarding posture-fluid interactions in the in-run phase – particularly the dominance of drag dynamics over lift enhancement for speed ...
Wenhan Liu +3 more
doaj +3 more sources
The influence of suit size on performance in ski jumping. Part II: field measurements [PDF]
Frontiers in Sports and Active LivingIn the second part of this study (Part II), the purpose was to investigate the influence of suit size on ski jump performance during field experiments.
Ola Elfmark +10 more
doaj +3 more sources