Performance of a novel football helmet technology on head impact kinematics

Yount, Darcie L.; Jesunathadas, Mark; Plaisted, Thomas A.; York, Shayne; Edwards, Elizabeth D.; Gould, Trenton E.; Chatham, Lillian S.; Piland, Scott G.

doi:10.1007/s12283-021-00355-0

Cited by 6 publications

(1 citation statement)

References 26 publications

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“…Up to now, the teaching process of College Physical Education in China is mainly based on the traditional collective and group teaching, supplemented by the independent teaching of the main team members [ 1 ]. Since the reform and opening up, the rapid development of various information technologies in China has also led to the reform of China's football system and training methods.…”

Section: Introductionmentioning

confidence: 99%

Biomechanical Analysis and Training Method Research on Head Shot Strength of Football Players

Yao

Xiang

2022

Journal of Healthcare Engineering

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With the development of intelligent sports in China and the rapid improvement of the strength of colleges and universities, the reform of traditional football players’ header shooting training methods is becoming more and more urgent in order to solve some problems in the development of sports and speed up the intelligent training of Chinese football players. Based on this, this paper studies the biomechanical analysis and training method based on the integration of header strength data of football players. A dynamic header tracking model of football players based on a local search algorithm is designed. The data collection is realized from the aspects of athletes’ header shooting training, skill improvement, physical consumption, and trajectory. The biological data of header shooting power is comprehensively analyzed and evaluated by using a local search algorithm. The results show that the training system based on a local search algorithm has the advantages of high feasibility, high data accuracy, and fast response speed. It can effectively conduct accurate guidance and improve the shooting accuracy according to the biological characteristics of header shooting intensity. This paper studies the biological analysis and training method of header strength of football players based on a local search algorithm. This has certain reference significance for accelerating the construction of intelligent training of Chinese football players.

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Section: Introductionmentioning

confidence: 99%

Biomechanical Analysis and Training Method Research on Head Shot Strength of Football Players

Yao

Xiang

2022

Journal of Healthcare Engineering

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On the feasibility and the impact resistance of a 3D cross-based fractal produced by powder bed fusion additive manufacturing

Viccica,

Serra,

de Sousa

et al. 2024

Int J Adv Manuf Technol

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Designers have been fascinated by exploring new geometries made by high-performance structures. In more specific terms, biological systems have always been proven to be characterised by sophisticated structures with adapting properties to nature challenges. Insightful analyses have shown how these natural structures are dominated by characteristics such as high energy absorption and elevated strength-weight proportion. Fractal geometries are examples of bio-inspired mathematical objects whose complex 3D structures can be obtained only by advanced manufacturing systems, such as additive manufacturing (AM). This study investigates the feasibility and energy absorption properties of a novel fractal structure based on a 3D Greek cross (3D-CFS). The structure was designed with different volume fractions and produced by powder bed fusion (PBF) AM processes in polyamide (PA12) and thermoplastic polyurethane (TPU). The 3D-CFS properties are investigated under quasi-static and dynamic compression tests. The analysis revealed that for certain geometrical parameters, the manufacturing of the structures is constrained by the sintered powder entrapped in the structure. However, in the case of powder-free structures, the results showed a high impact resistance and cushioning capability. Overall, in terms of specific energy absorption (SEA), the TPU structures showed values between 2.5 and 3.5 kJ/kg, while PA12 ones are between 7.5 and 17.4 kJ/kg, making the 3D-CFS structure compatible with personal protective equipment (PPE) applications. Compared to the literature data on cellular structures made by AM, 3D-CFS performs considerably better. Also, PA12 3D-CFS is better, with a SEA value up to 170% higher than that of a typical material employed for head PPE (e.g. EPS-60 SEA equal to 2.76 kJ/kg). In contrast, TPU 3D-CFS looks more promising in the case of multiple impact conditions.

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Kinematic assessment of the NOCSAE headform during blunt impacts with a pneumatic linear impactor

Edwards

Landry²,

Jesunathadas³

et al. 2023

Sports Eng

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Performance of a novel football helmet technology on head impact kinematics

Cited by 6 publications

References 26 publications

Biomechanical Analysis and Training Method Research on Head Shot Strength of Football Players

Biomechanical Analysis and Training Method Research on Head Shot Strength of Football Players

On the feasibility and the impact resistance of a 3D cross-based fractal produced by powder bed fusion additive manufacturing

Kinematic assessment of the NOCSAE headform during blunt impacts with a pneumatic linear impactor

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