Biomechanical drivers of fastball velocity identified from In-game motion capture using Super Learner ensemble modelling [0.03%]
基于比赛中的动作捕捉运用超级学习器集成模型识别投球速度的生物力学驱动因素
Garrett Fernandez,Garrett Bullock,Ryan Zappa et al.
Garrett Fernandez et al.
This study used in-game markerless motion capture to develop a Super Learner ensemble model for predicting fastball velocity, with the aim of identifying key biomechanical contributors and evaluating generalisability across conferences. Dat...
Age-related differences in tibial accelerations and cadence between paved and unpaved trail surfaces during a prolonged run [0.03%]
不同年龄在长时间跑步时在铺装和未铺装小径地面上胫骨加速度和步频的差异
Samuel D Rosario,Micah C Garcia,Emily Crutchfield et al.
Samuel D Rosario et al.
Running on unpaved trails is commonly perceived to reduce impact loading and injury risk, yet biomechanical evidence remains limited across age groups. We investigated the effects of paved versus unpaved surfaces on running biomechanics and...
Effects of stance foot centre of pressure and timing of heel lift on ground reaction force and stride mechanics in Amateur baseball pitchers [0.03%]
业余棒球投手步点脚中心压力及抬跟时机对地面反作用力和步幅力学的影响
Sakiko Oyama,Brian Stephens,Hugo Giambini
Sakiko Oyama
The movement and positioning of the body during the early phases of the pitching motion can have cascading effects on downstream mechanics. While stride mechanics have been the focus of recent research, the role of stance foot mechanics in ...
Running with and without blood flow restriction on fatigability and biomechanics: a cross-over trial [0.03%]
血液循环限制对跑步疲劳度和生物力学的影响：交叉过试验研究
Anh Phong Nguyen,Thomas Hansoulle,Joachim Van Cant et al.
Anh Phong Nguyen et al.
Running assessments are frequently conducted without inducing fatigability because achieving true exhaustion in athletes can be both time consuming and physically demanding. Blood flow restriction (BFR) presents a potential solution by redu...
Performance in elite discus throwing is governed by phase-specific timing and velocity transfer [0.03%]
精英 Discus 投掷 的表现由相位特定定时和速度传输治理
Kristof Kipp,Emma Patterson,Wanda Sihanath et al.
Kristof Kipp et al.
This study examined the associations between phase-specific kinematic variables and discus throw performance in elite throwers. Video recordings of 23 male (63.39 ± 4.19 m) and 16 female (59.74 ± 7.25 m) discus throwers were analysed to o...
Kinematic analysis of road running under motor and cognitive dual-task conditions in young, middle-aged and older experienced and trainer runners [0.03%]
年轻、中年和老年跑步者在机械任务和认知双任务条件下的公路跑步运动学分析
Luana Domingos de Oliveira Couto,Ademilson Carlos Come Junior,Fernando Braz Langami et al.
Luana Domingos de Oliveira Couto et al.
Running has been associated with functional health throughout ageing. Although age-related kinematic changes have been described, how dual-tasking affects running patterns and when these changes occur remains unclear. This study aimed to in...
Machine learning classifiers for automatic classification of foot strike patterns from 2D video [0.03%]
基于二维视频的着地模式机器学习分类器
Torstein E Dæhlin,Caleb D Johnson,Stephen A Foulis et al.
Torstein E Dæhlin et al.
Automatic classification of forefoot (FFS), midfoot (MFS), or rearfoot (RFS) strike patterns from video data remains challenging. This study aimed to explore the ability of machine learning classifiers to determine foot strike patterns of r...
Kinetics of lower limb joints during forehand loops with alternating and full-foot support patterns in table tennis [0.03%]
乒乓球不同站位拉冲时下肢关节动力学特征分析
Pengfei Jin,Chen Yang,Ziemowit Bańkosz et al.
Pengfei Jin et al.
Footwork plays a crucial role in the stroke performance of athletes, yet its underlying foot support patterns remain underexplored. This study aimed to compare the biomechanical differences in lower limb joints between alternating foot supp...
Automated detection of racket-ball impact timing in tennis strokes using deep learning models and a markerless motion capture system [0.03%]
基于深度学习模型和无标记动作捕捉系统的网球击球时机的自动化检测方法研究
Ayoon Lee,Kyungseok Byun,Yerim Kim et al.
Ayoon Lee et al.
Event identification, which refers to defining important moments within a movement, is a fundamental process in biomechanical analysis. This study aimed to develop and evaluate deep learning models for automated detection of the moment of r...
Can jerk cost and resultant mechanical impulse be helpful tools to discriminate swimming performance in young swimmers? [0.03%]
jerk成本和由此产生的机械冲量能有助于区分年轻游泳运动员的成绩吗？
Jorge E Morais,Daniel A Marinho,Tatiana Sampaio et al.
Jorge E Morais et al.
The aim of this study was to compare swimming velocity, intra-cyclic variation of swimming velocity, jerk cost, and the resultant mechanical impulse in young swimmers of both sexes and by levels in the front crawl stroke. The sample include...