The purpose of this study was to analyze the differences in technical pattern snatch elite junior weightlifters different weight categories. sample a group 33 men from comparative included 2 groups, taking into account Group A 17 lightest categories, 56 and 62 kg; B 16 heaviest 85 105 kg. Three-dimensional photogrammetry technique utilized. Regarding differences, we can conclude that lifters belonging heavier categories are more efficient, as they manage have longer barbell propulsion...

This study seeks to discover whether handball goalkeepers employ a general anticipatory strategy when facing long distance throws and the effect of uncertainty on these strategies. Seven four throwers took part. We used force platform analyse goalkeeper's movements basis reaction forces two video cameras synchronised at 500 Hz film throw using 3D techniques. The initiated their movement towards side 193 ± 67 ms before release ball was reduced time increased 349 71 ms. kinematics analysis...

Much of the existing goalkeeper (GK) research is based around GK’s performance but not with a match analysis theme. Research has focused on physiology, psychology and injury prevention. Performance GK will significantly increase standards by increasing knowledge we have demands. As consequence this lack surrounding distribution aim study was to understanding through their see if level in which they compete influences this. The subjects used were all professional from same club, first choice...

Pre-tensed and conventional starts that exert, respectively, large small forces against the starting blocks in “set” position (0.186 vs. 0.113 N per newton of body weight) were analyzed. The videotaped, horizontal exerted on feet hands obtained from separate force plates. In pre-tensed start, legs received larger forward impulses early acceleration (0.18 0.15 N·s kilogram mass first 0.05 s), but backward (–0.08 –0.04 N·s·kg –1 ). At end phase, there was no significant difference velocity...

Oral rehabilitation with removable dentures (RDs) is still a viable choice for the edentulous population. Fostering students' confidence in prosthodontic procedures should be major concern dental schools. This study has three purposes: (a) to measure self-reported levels of undergraduate students when performing treatments; (b) evaluate perceived quality prosthodontics education; and (c) assess suggestions improve education.An anonymous questionnaire was delivered third-, fourth- fifth-year...

Abstract The objective of this study was to evaluate the anticipation time and kinematic factors in movement goalkeepers’ center mass when making a long-distance throw handball. sample group composed 14 goalkeepers field players. A force platform used measure reaction movements, while throwers’ movements were recorded with high-speed cameras. expert began move 193 ± 67 ms before ball released, 67% success rate interception. inexperienced their 209 127 24% rate. taken by begin vertical CM,...

The so-called inside out forehand has an active role in the baseline strategy because it offers players new possibilities of hitting incoming ball with their preferred shot by covering weaker side and, at same time, playing more open angles and directions which create aggressive patterns play. purpose this study is to analyse use as well its incidence on men's professional game both, right- left-handed players. Eighteen matches corresponding Grand Slam ATP finals played between 2011 2014...

Gutiérrez-Davila, M, Campos, J, and Navarro, E. A comparison of two landing styles in a two-foot vertical jump. J Strength Cond Res 23(1): 325-331, 2009-In team sports, such as basketball volleyball, the players use different takeoff to make The jump have been classified according style identified hop style, when both feet touch ground at same time, step-close there is slight delay between first second foot making contact with ground. aim this research identify differences styles....

The purpose of the present study was to identify relationships among selected kinematic variables that affect take-off phase and performance in elite jumpers. jump distance found be related to: I) athlete's approach speed before instant touch down; ii) exchange spatial velocity components at take-off, which results a gain maximum vertical centre mass (CM), favoured by use an optimum touch-down angle leg, active landing foot touch-down, motion leg during compression helps manage loss...

The preparation of rest seats must comply with specific sizes and shapes. Various technological systems such as Kavo PrepAssistant have been used an auxiliary method to evaluate preclinical preparations more objectively. aims this study were establish alternative system for evaluating occlusal compare different types assessment. Seventy‐six undergraduate students at Oporto University Faculty Dental Medicine in Portugal selected a convenience sample prepare two teeth #45 #46 (FDI World...

Regular physical activity promotes better general state of health and is essential for the prevention many illnesses, including musculoskeletal disorders.The promotion both its beneficial effects on have contributed to fast growth in number children adolescents involved organized or recreational sports activities which, unfortunately, has been followed by a significant increase injuries related practice.Taking into account that system still developing, overuse particularly associated...

Nas últimas décadas tem-se assistido a um rápido envelhecimento da população mundial. Apesar permanência dentição natural durante mais tempo e diminuição das patologias orais causadas pela melhoria condições de vida prestação dos cuidados saúde, prevalência no idoso ainda é considerada significativa. A doença periodontal cárie dentária – constituindo as principais causas perda lesões mucosa oral presença xerostomia são presentes nos idosos frequentemente referidas na literatura. Estas não...

Context: The design of a fixed partial denture (FPD) is very important to reduce the stresses generated over supporting tissues. connector area needs specific conditions due biological and esthetic demands, must be well assessed especially in posterior regions. Aims: To make stress analysis titanium cantilever executed with CAD-CAM system Everest®Kavo, order optimize structure, considering shape connector′s area. Materials Methods: A finite element mesh was constructed after post-processing...

Objectives: This study aimed to provide information about dentists' body posture on a conventional chair vs. saddle-seat while performing dental procedures.Information was obtained using inertial motion sensors.Methods: Twenty-four dentists performed Class I cavity in the upper right and left first molars lower molars.Nineteen worked (Group I), five II).Kinematic measurements of whole were registered Xsens ® MVN BIOMECH.Results: Both groups with pronounced forward head position.Lateral...

Denture adhesives are widely used, but patients express difficulty in removing it. Image processing was already using to evaluate the effectiveness of disinfection treatments. The objective present study is evaluate, under image processing, adhesive removal protocols recommended by manufacturers. Thirty pink acrylic discs were made, and denture applied their outer surface. Afterwards, immersed a green food-colouring agent for 30 s. total surface area pigmented areas measured an software...

This study aims to evaluate the colour changes of two flexible resins used for manufacturing removable dentures, when in contact with colouring agents found diet. Twelve samples iFlex™ by TCS® plus 12 RocalFlex were placed three solutions – coffee, curry and coca-cola. Colour measurements performed using a PCE-CSM 5 colorimeter programmed CIE system (L* a* b*), before after (24 h 10 days) immersion solutions. difference (ΔE*) was evaluated National Bureau Standard (NBS) units determined....

Track & field sprinters are often told to press backward hard against the blocks while waiting for starting gun in “set” position. This pre-tenses muscles that extend legs, and thus may increase forward forces received by feet after onset of motion. However, it also requires sprinter's hands before is fired; limitations rate deactivation arm then result exertion on PURPOSE: To examine horizontal through starts using large small amounts pre-tensing, check if increased pre-tensing...

Caracterização da desdentação parcial de uma amostra pacientes clínica universitária faculdade Medicina Dentária. Foram analisados os registos clínicos eletrónicos dos que frequentaram a Unidade Curricular Prótese Removível IV nos anos letivos 2010/2011 e 2011/2012, caracterizando as seguintes variáveis: idade, sexo, profissão, número dentes perdidos, classificação tipo prótese efetuada para maxila mandíbula. Efetuou-se análise estatística descritiva testes hipóteses com tabelas contingência...