Results 1 to 10 of about 1,482,010 (206)

Contact load is associated with both contact and non-contact injuries in rugby union [PDF]

Frontiers in Physiology
ObjectiveManaging matches and training loads is crucial for injury prevention. Contact load is a defining feature of rugby union, and World Rugby has proposed its management as a key strategy for the prevention of injuries.
Yusuke Iwasaki, Yusuke Iwasaki, Yuki Someya, Yuki Someya, Masashi Nagao, Masashi Nagao, Masashi Aoyagi, Yuki Shiota, Yuki Shiota, Yuji Takazawa, Yuji Takazawa, Yuji Takazawa   +11 more
doaj   +2 more sources

Contact Load Measurement and Validation for Tapered Rollers in Wind Turbine Main Bearing [PDF]

Sensors
Addressing the need for contact load detection in wind turbine main bearings during service, a roller contact load measurement method is proposed. An analytical model characterizes the contact load-to-inner bore strain mapping relationship.
Zhenggang Guo, Jingqi Yu, Wanxiu Hao, Yuming Niu   +3 more
doaj   +2 more sources

Contact load practices and perceptions in elite English rugby league: an evaluation to inform contact load guidelines. [PDF]

S Afr J Sports Med
Background: Athlete exposure to contact could be a risk factor for injury. Governing bodies should provide guidelines preventing overexposure to contact. Objectives: Describe the current contact load practices and perceptions of contact load requirements within men’s and women’s rugby league to allow the Rugby Football League (RFL) to develop contact ...
Parmley J, Weaving D, Whitehead S, Brown J, Fairbank L, Flahive S, Gardner AJ, Hendricks S, Johnston RD, Mackreth P, Peacock J, Phillips G, Scantlebury S, Stein J, Stokes K, Till K, Jones B.   +16 more
europepmc   +5 more sources

Relationship between the contact load and time-loss injuries in rugby union [PDF]

Frontiers in Sports and Active Living
ObjectiveQuantifying and managing the matches and training loads of players is important for injury prevention. As rugby union is a full-contact sport and frequent contact injuries occur, it might also be important to quantify and manage players’ contact
Yusuke Iwasaki, Yusuke Iwasaki, Yuki Someya, Yuki Someya, Masashi Nagao, Masashi Nagao, Shojiro Nozu, Shojiro Nozu, Yuki Shiota, Yuki Shiota, Yuji Takazawa, Yuji Takazawa, Yuji Takazawa   +12 more
doaj   +2 more sources

THEORETICAL AND EXPERIMENTAL MODELLING OF THE TRIBOLOGICAL BEHAVIOUR ASPECTS OF CONTACT ELEMENTS IN THE PRECESSIONAL GEARING (PG) [PDF]

Journal of Engineering Science (Chişinău), 2022
This paper deals with the theoretical-experimental model of the tribological behavior of the contact elements in precessional gears (PG) in the functions of conjugate profiles of linear velocities "convex-concave" or "convex-convex" for the corresponding
BOSTAN, Ion, STOICEV, Petru, POȘTARU, Gheorghe, VACULENCO, Maxim, BUGA, Alexandru, KULEV, Mihail, POȘTARU, Andrei, PLATON, Andrei   +7 more
doaj   +1 more source

Study on Stability of Antimony Carbon Anode of Lithium-ion Battery under Compressive Loading

Taiyuan Ligong Daxue xuebao, 2023
Antimony carbon composite was used as active materials in the anode to assemble button lithium-ion batteries (LIBs), and quasi-static plate and contact (steel balls) extrusion loading experiments were carried out.
Weiyan SUN, Weijia MENG, Songnan ZHAO, Chunli GUO, Meiqing GUO   +4 more
doaj   +1 more source

Load Distribution Analysis and Contact Stiffness Prediction of the Dual-Drive Ball Screw Pair Considering Guide Rail Geometric Error and Slide Position

Fractal and Fractional, 2023
The dual-drive ball screw pair serves as a crucial element within the fixed gantry machine tool with cross-rail movement. When in service, the dual-drive ball screw pair experiences variations in axial load, impacting the contact load distribution of the
Zhifeng Liu, Weiliang Zuo, Baobao Qi, Chuanhai Chen, Jinyan Guo, Dong Li, Shan Gao   +6 more
doaj   +1 more source

Effects of Contact Load and Torsion Angle on Crack Propagation Behaviors of Inclined Crossed Steel Wires during Tension–Torsion Fretting Fatigue in Acid Solution

Applied Sciences, 2021
The hoisting rope in the kilometer-deep coal mine exhibits the tension–torsion fretting fatigue behaviors of inclined crossed steel wires in acid solution.
Dagang Wang, Daozhu Song, Magd Abdel Wahab   +2 more
doaj   +1 more source

Effect of contact load upon attrition-corrosion wear behavior of bio-composite materials: In vitro off-axis sliding contact-chewing simulation

Biomedical Research Journal, 2020
Background: In recent years, the use of composite materials as biomaterials has been increasing in dentistry. It is important to perform in vitro experiments of biomaterials before living tissue. Aim: The purpose of this work was to examine the effect of
Efe Cetin Yilmaz
doaj   +1 more source

Characteristics of Duplex Angular Contact Ball Bearing with Combined External Loads and Angular Misalignment

Applied Sciences, 2020
As a kind of common phenomenon in practical engineering, misalignment error considerably changes the working performance of bearing. However, it has rarely attracted attention in the study of duplex angular contact ball bearings (DACBBs). To evaluate the
Tengfei Xu, Lihua Yang, Kai Wang
doaj   +1 more source