Results 11 to 20 of about 4,592 (249)

The Effects of Knee Flexion on Tennis Serve Performance of Intermediate Level Tennis Players

Sensors, 2021
This study aimed to investigate the effects of knee flexion during the preparation phase of a serve on the tennis serve performance, using inertial sensors. Thirty-two junior tennis players were divided into two groups based on their maximum knee flexion
Joana Ferreira Hornestam, Thales Rezende Souza, Fabrício Anício Magalhães, Mickäel Begon, Thiago Ribeiro Teles Santos, Sérgio Teixeixa Fonseca   +5 more
doaj   +1 more source

Empowering and conquering infirmity of visually impaired using AI‐technology equipped with object detection and real‐time voice feedback system in healthcare application

CAAI Transactions on Intelligence Technology, EarlyView., 2023
Abstract The Internet of Things is emerging as a crucial technology in aiding humans and making their lives easier. Among the human population, a large percentage of people suffer from disabilities resulting in challenges in everyday life particularly people with visual disabilities.
Hania Tarik, Shahzad Hassan, Rizwan Ali Naqvi, Saddaf Rubab, Usman Tariq, Monia Hamdi, Hela Elmannai, Ye Jin Kim, Jae‐Hyuk Cha   +8 more
wiley   +1 more source

Tragedia, comedia y diálogo socrático: el Banquete entre los géneros teatrales, Sócrates entre la belleza y la fealdad, ἔρως entre lo elevado y lo bajo

Emerita, 2013
Diversas lecturas de algunos de los discursos del Banquete de Platón proponen que se trabaja en ellos con una mezcla entre lo trágico y lo cómico. Este artículo aúna esos resultados y suma elementos de análisis para construir una interpretación del ...
Andrés Federico Racket
doaj   +1 more source

Relationships between Racket Arm Joint Moments and Racket Head Speed during the Badminton Jump Smash Performed by Elite Male Malaysian Players

Applied Sciences, 2022
Three-dimensional position data of nineteen elite male Malaysian badminton players performing a series of maximal jump smashes were collected using a motion capture system.
Yuvaraj Ramasamy, Viswanath Sundar, Juliana Usman, Rizal Razman, Harley Towler, Mark A. King   +5 more
doaj   +1 more source

Nature’s Protection Racket [PDF]

Chemistry & Biology, 2005
(2S)-4-amino-2-hydroxybutyrate (AHBA) is a side chain that is important for the antibiotic activities of aminoglycosides. The elucidation of the biosynthetic pathway to AHBA, by Spencer et al. in this issue of Chemistry & Biology [1], reveals several surprises and will facilitate biosynthetic engineering of new improved aminoglycoside antibiotics.
openaire   +3 more sources

Reproducibility and Validity of a Stroke Effectiveness Test in Table Tennis Based on the Temporal Game Structure

Frontiers in Psychology, 2019
Purpose: This study aimed to develop a stroke effectiveness test in table tennis based on the temporal game structure to assess the ball speed and ball placement of the players, with a purpose to analyze its reproducibility and validity.Methods: Nineteen
Taisa Belli, Milton Shoiti Misuta, Milton Shoiti Misuta, Pedro Paulo Ribeiro de Moura, Thomas dos Santos Tavares, Renê Augusto Ribeiro, Renê Augusto Ribeiro, Yura Yuka Sato dos Santos, Karine Jacon Sarro, Larissa Rafaela Galatti, Larissa Rafaela Galatti   +10 more
doaj   +1 more source

The impact of team preferences on soccer offside judgments in laypersons: a quasi-experimental study

Cognitive Research, 2020
The present study uses a quasi-experimental design to investigate the impact of team preferences on the accuracy of offside judgments. In Experiments 1 and 2, supporters of two German soccer clubs (i.e., Borussia Dortmund and FC Schalke 04) judged ...
Peter Wühr, Frowin Fasold, Daniel Memmert   +2 more
doaj   +1 more source

sEMG Analysis of Upper Limb Muscles during Backhand Smash Using Badminton Rackets of Different Stiffness

Applied Sciences, 2022
The analysis of racket stiffness effect on muscle activity during movement associated with badminton is essential for a better understanding of which badminton racket is better for the athletes to use.
Catarina M. Amaro, Sérgio Nolasco, Luis Roseiro, Ana M. Amaro, Maria António Castro   +4 more
doaj   +1 more source

Morphometrics for sports mechanics: Showcasing tennis racket shape diversity.

PLoS ONE, 2022
Tennis racket design has changed from its conception in 1874. While we know that modern tennis rackets are lighter and have larger heads than their wooden predecessors, it is unknown how their gross shape has changed specifically.
Robyn A Grant, Luca Taraborrelli, Tom Allen   +2 more
doaj   +2 more sources

Indistinguishability of Racket and Body Kinematics during Different Table Tennis Serves for International Elite and Intermediate Players

International Journal of Racket Sports Science, 2021
Table tennis serves are strokes in which disguise and deception skills are important. This study aimed to investigate whether international elite table tennis players can make their racket and body kinematics more indistinguishable than intermediate ...
Yoichi Iino, Sho Tamaki, Yuki Inaba, Koshi Yamada, Kazuto Yoshida   +4 more
doaj   +1 more source