Tatiane Piucco

• PhD
• Contract Faculty at Mount Royal University

Eleven well-trained speed skaters (17.6±0.7 years, 61.6±6.4 kg) performed a skating incremental test to exhaustion on a slide board and on a treadmill. • The first and second ventilatory thresholds (VT1 and VT2) and maximal skating intensities (VO2 Max) were determined for each athlete using gas exchange analysis. • The athletes skated for 3 minute...

Evaluating skating performance is difficult because test conditions and measurements on the ice are hard to control. To overcome this limitation, the use of a slide board to simulate skating movement is a feasible alternative to evaluate skating performance. The heart rate deflection point (HRDP) is a breakpoint in HR data over time and has been as...

Performance tests are important to evaluate the actual athlete’s capacities and prescribe individualized training intensities The evaluation of performance and adjustments in training load should be done periodically to optimize results (Fig 1). To facilitate this process, we aimed to develop a smartphone application to evaluate the performance of...

This research investigates the 2 D kinematics of skating on the slide board and compare it to skating on a treadmill at three different intensities

This study aimed to determine the breakpoints in superficial electromyography (sEMG) signal during a maximal incremental skating test (IT) and compare them to the first (VT1) and second (VT2) ventilatory threshold. Ten well-trained long track speed skaters performed a maximal incremental skating test on a slide board. sEMG signals from six lower li...

The aim of this study was to assess the physiological and neuromuscular responses at critical skating intensity on a slide board and to investigate the correlations between critical cadence (CC) and skating performances on ice. Thirteen well-trained speed skaters (age,19.8 ± 4.2 years; weight, 69.6 ± 9.06 kg) performed a maximal skating incremental...

Critical cadence (CC), critical power (CP), and the work above CP (W′) were determined from linear and hyperbolic modelling during skating on a slide board, in 13 well-trained speed skaters. Three to 4 trials to exhaustion were used for the fitting. CC from the linear model was higher than the hyperbolic model (56.0 ± 4.8 vs 55.0 ± 4.5 push-offs/mi...

Purpose: this study aimed to compare the oxygen uptake (V̇O2) kinetics during skating on a treadmill and skating on a slide board and discuss potential mechanisms that might control the V̇O2 kinetics responses during skating. Methods: breath-by-breath pulmonary V̇O2 and near-infrared spectroscopy-derived muscle deoxygenation ([HHbMb]) were monit...

Critical power model on speed skating

PURPOSE: In theory, a slow oxygen uptake (VO2) kinetics leads to a greater accumulation of anaerobic by-products, which can, in turn, induce more neuromuscular fatigue. However, the existence of this relationship has never been tested. METHODS: After two sessions to measure peak VO2, peak power output (POpeak), and VO2 kinetics responses in the unf...

ABSTRACT This study investigated how the combination of workload and fatigue affected the frequency components of muscle activation and possible recruitment priority of motor units during skating to exhaustion. Ten male competitive speed skaters performed an incremental maximal test on a slide board. Activation of six muscles from the right leg was...

Purpose: the aim of this study was to investigate the criterion validity of a maximal incremental skating test performed on a slide board (SB). Methods: Twelve sub-elite speed skaters performed a maximal skating test on a treadmill and on a SB. Gas exchange threshold (GET), respiratory compensation point (RCP) and maximal variables were determin...

The aim of this study was to investigate the effect of stage duration (Long-stage-LS: 3-min, Short-stage-SS: 1-min) on maximal and submaximal aerobic physiological variables during a simulated skating test performed on a slide board. Ten well-trained male speed skaters performed two maximal incremental tests on slide board until voluntary exhaustio...

INTRODUTION It has been hypothesized that a reduction on the percentage of high frequency motor unit recruitment results in lower frequency spectrum of surface electromyograms (EMG) during fatigue [1]. The spectral analysis of the activation signal using the traditional fast Fourier transform may not be appropriate during dynamic contractions, and...

Introduction: Exercise prescription from indices obtained from cycling or running treadmill incremental tests does not seem suitable for speed skaters. However, the specificity of laboratory skating assessments remains to be established. Purpose: This study intended to assess the test–retest reliability of an incremental test performed on a slide b...

The use of in‐line skates has become popular in recent years for recreational and conditioning purposes. Nevertheless, in‐line speed skating is not widely investigated yet, due to the difficulty to conduct specific tests under laboratory conditions. This study aimed to investigate the state of the art of in‐line speed skating researches. A systemat...

Introdução Nas técnicas de projeção no judô, objeto deste estudo, existe um leque de possibilidades de investigação (VIRGILIO,1970). Todas essas técnicas seguem o preceito básico do Seiryoku-Zanyo, que pressupõe melhor eficiência com menor gasto de energia, estando relacionada a outros fatores como as características antropométricas e morfológicas...

Este estudo, de caráter exploratório, objetivou analisar as magnitudes e o tempo de duração dos impactos gerados no corpo do judoca projetado pela técnica Ippon-Seoi-Nage. Participaram dois judocas faixa preta, sendo o tori (judoca que projeta) com 75kg e 19 anos de prática, e o uke (judoca que cai) com 72kg e 15 anos de prática. Foi utilizado um a...

DOI: http://dx.doi.org/10.5007/1980-0037.2013v15n5p578 Judo techniques use the assumption of maximum efficiency with minimum energy expenditure, which means to try to use the strength of the opponent against himself, causing an imbalance that, associated with a technique, helps execute a throw. This study is aimed to evaluate the mechanical effici...

Background

This study aimed to analyze the impacts generated in different body regions of judoists of different weight categories during falls cushioning. Four black belt judoist, with at least 14 years of experience, participated in this study: three "uke" half-light, half-middle and half-heavy categories were thrown in "ippon-seoi-nage" technique by a "tori...

The emplacement of the electrodes may generate interference in the EMG signal quality. The aim was to analyze the temporal difference and magnitudes of EMG signal measured at different portions of semitendinosus muscle (ST). Four pairs of electrodes were placed along the muscle belly (1-proximal and 4-distal) in order to acquire muscle activity dur...

Background and Study Aim: The biomechanical efficiency of judo throw techniques depends on the anthropometric characteristics of the opponent. This study aimed to evaluate the mechanical efficiency of the o soto gari technique when applied to judoists of different heights in relation to the thrower. Material/Methods:The following factors were compa...

This study aimed to analyze the impact magnitude in the lower limbs during the landing phase in handball jump throw as well as to relate the impacts with the body weight (BW), jump height (JH) and the knee flexion angle (KA) and hip flexion angle (HA) during landing. Nine handball athletes, aged 22.2 ± 1.4 years took part in this study. A triaxial...

This study aimed to analyze the impact magnitude in the lower limbs during the landing phase in handball jump throw as well as to relate the impacts with the body weight (BW), jump height (JH) and the knee flexion angle (KA) and hip flexion angle (HA) during landing. Nine handball athletes, aged 22.2 ± 1.4 years took part in this study. A triaxial...

Este estudo, de caráter exploratório, objetivou analisar as magnitudes e o tempo de duração dos impactos gerados no corpo do judoca projetado pela técnica Ippon-Seoi-Nage. Participaram dois judocas faixa preta, sendo o tori (judoca que projeta) com 75kg e 19 anos de prática, e o uke (judoca que cai) com 72kg e 15 anos de prática. Foi utilizado um a...

Este estudo exploratório objetivou analisar as magnitudes e o tempo de duração dos impactos gerados em diferentes regiões corpo do judoca projetado pela técnica Ippon-Seoi-Nage. Participaram dois judocas faixas pretas, sendo tori (judoca que projeta) com 75 kg e 19 anos de prática, e o uke (judoca que cai) com 72 kg e 15 anos de prática. Foi utiliz...

This study aimed to evaluate the mechanics efficiency of harai goshi applied in judocas of different heights. It was compared: the tori angular variation of knee, hip and trunk; the time to perform each technique phase; the displacement of the vertical trajectory of tori center of mass (ΔCM). Were analyzed 10 harai goshi kinematic throws, the tori...

This exploratory study aimed to analyse the magnitude and duration of the impact generated on the athletes' body during training in Ippon-Seoi-Nage judo technique. Two black belt judo athletes were studied, the tori (the thrower) weighting 75 kg and having 19 years of practice, and the uke (the thrown) weighting 72 kg and having 15 years of practic...

This study aimed to evaluate the mechanics efficiency of harai goshi applied in judocas of different heights. It was compared: the tori angular variation of knee, hip and trunk; the time to perform each technique phase; the displacement of the vertical trajectory of tori center of mass (∆CM). Were analyzed 10 harai goshi kinematic throws, the tori...

In professional athletes, sports injuries are common due to high demands of practice. However, they are not exclusive to top athletes. This descriptive study aimed to investigate some inferior limb injuries characteristics in amateur sports that involve jumping (volleyball, basketball and handball). 37 male amateur athletes participated in the stud...

Introdução: Este estudo objetivou relacionar o percentual de gordura corporal (%G) com o desempenho no salto vertical e com as maiores magnitudes de impactos medidas nos eixos x, y e z nos membros inferiores de atletas de voleibol. Materiais e Métodos: Foram analisadas 12 atletas de uma equipe feminina amadora de voleibol com média de idade 21±3,5...

This quantitative descriptive study of diagnosis type aimed to investigate the academically handball athlete's injuries profile. Participated in this study nine players with an average of 22,2±1,4 year-old and practice time of 7,1±2,7 years. As measure instrument was used a questionnaire validated for this purpose, with 93% of validity and 100% of...

The aim of this study was to analyze the kinematics characteristics and the velocity of the ball in different techniques of the short corner. Two athletes of the Brazilian field hockey team, one male and one female, specialists in short corner, were evaluated. A three-dimensional kinematics analysis of different short corner techniques was used, wi...

SANTOS, S. G.; DAL PUPO, J.; PIUCCO, T.; REIS, D. C.; DETANICO, D. Biomechanical analysis of different techniques for implementing the short corner in field hockey. Brazilian

Resumo: Este estudo exploratório teve como objetivo relacionar os tempos de duração dos impactos com as magnitudes dos impactos. Participaram deste estudo oito atletas do sexo masculino de uma equipe juvenil de basquetebol de Florianópolis-SC. Como instrumento de medida utilizou-se um acelerômetro triaxial do tipo 4321 da Brüel e Kjaer ® . Os dados...

The objective of this diagnostic study was to evaluate the number of impacts per training session undergone by two amateur volleyball teams while performing spikes and blocks, and to relate the number of impacts to the number of injuries they suffered over the previous two years. The study recruited 24 athletes from the Universidade Federal de Sant...

The purpose of this descriptive study was to analyze the injuries and the mechanisms of injuries pointed for the athletes of the Brazilian selection of feminine and masculine hockey. Participated of the study 17 females players with average of 18,8+3,95 year-old and practice time of 3,69 ± 3,8 years and 14 male players with average of 18,8±1,3 year...

Resumo: Este estudo exploratório objetivou identificar o número de saltos de bandeja e rebote realizados durante jogos de basquetebol e as magnitudes dos impactos dos mesmos, bem como verificar possíveis relações entre essas duas variáveis. Fizeram parte do estudo oito atletas de um time de basquetebol masculino de Florianópolis, escolhidos intenci...

Resumo: Este estudo exploratório teve como objetivo investigar o fundamento e eixo de movimento que promove maior magnitude de impacto na articulação do tornozelo, durante as aterrissagens no basquetebol, bem como associar os valores de impacto dos atletas com o número de lesões nos membros inferiores. Participaram do estudo oito atletas de um time...

Introduction: This study aimed to relate the body fat (%F) with the vertical jump performance and with the largest magnitudes of impacts measured in the axis x, y and z in the inferior limbs of volleyball athletes. Materials and Methods: 12 amateur female volleyball athletes were analyzed, with age average 21.0±3.5 years, body weight 63.41±7.7kg, h...