نتایج جستجو برای: landing task

تعداد نتایج: 302737  

2012
Ryota Kanai Neil Muggleton Vincent Walsh

Transcranial direct current stimulation (tDCS) has been successfully applied to cortical areas such as the motor cortex and visual cortex. In the present study, we examined whether tDCS can reach and selectively modulate the excitability of the frontal eye field (FEF). In order to assess potential effects of tDCS, we measured saccade latency, landing point, and its variability in a simple prosa...

2010
Michael F Joseph Craig R Denegar Elaine Horn Bradley MacDougall Michael Rahl Jessica Sheehan Thomas Trojian Jeffery M Anderson James E Clark William J Kraemer

Lower extremity mechanics during landing have been linked to traumatic and nontraumatic knee injuries, particularly in women's athletics. The effects of efforts to mitigate these risks have not been fully elucidated. We previously reported that a 5° medial wedge reduced ankle eversion and knee valgus. In the present report we further investigated the effect of a 5° medial wedge inserted in the ...

2017
Geoffrey Holmes Pia Sartor Stephen Reed Paul Southern Keith Worden Elizabeth Cross

This paper investigates the feasibility of using machine learning algorithms to predict the loads experienced by a landing gear during landing. For this purpose, results on drop test data and flight test data will be examined. This paper will focus on the use of Gaussian Process regression for the prediction of loads on components of a landing gear. For the learning task, comprehensive measurem...

Journal: :The American journal of sports medicine 2016
Catherine Y Wild Bridget J Munro Julie R Steele

BACKGROUND Despite the rapid musculoskeletal changes experienced by girls throughout the adolescent growth spurt, little is known about how their lower limb landing technique changes during this time. PURPOSE To investigate the longitudinal changes in the 3-dimensional lower limb kinematics, joint moments, and muscle activation patterns displayed by girls when performing a horizontal landing ...

Journal: :Clinical biomechanics 2006
Kevin R Ford Gregory D Myer Rose L Smith Rebecca M Vianello Shelly L Seiwert Timothy E Hewett

BACKGROUND Despite recent evidence supporting the use of neuromuscular training to reduce anterior cruciate ligament injury risk, female athletes continue to show an increased anterior cruciate ligament injury rate in collegiate basketball and soccer when compared to males. The purpose of the current study was to identify gender and task differences in measures that may increase the risk of ant...

Journal: :physical treatments 0
heydar sadeghi department of biomechanics, faculty of physical education and sport science, kharazmi university, tehran, iran. fatemeh alirezaee department of sport biomechanics, faculty of sport sciences, ferdowsi university of mashhad, mashhad, iran. esmaeel ebrahimi takamjani department of physical therapy, school of rehabilitation sciences, iran university of medical sciences, tehran, iran. ramin kordi sport medicine research center, tehran university of medical science, tehran, iran.

purpose: this study aimed to examine the differences in the co-activation of the rectus femoris (rf) and biceps femoris (bf) using the co-contraction index (ci) in aquatic and land environments during a drop-landing task in active and non-active females. methods: in this casual-comparison study, 10 active and 10 non-active females volunteered to participate. the ci was calculated from recorded ...

Journal: :Journal of science and medicine in sport 2014
Benedicte Vanwanseele Max Stuelcken Andrew Greene Richard Smith

OBJECTIVES External ankle support has been successfully used to prevent ankle sprains. However, some recent studies have indicated that reducing ankle range of motion can place larger loads on the knee. The aim of this study was to investigate the effect of external ankle support (braces and high-top shoes) on the ankle and knee joint loading during a netball specific landing task. DESIGN A r...

Journal: :The American journal of sports medicine 2012
Casey A Myers Michael R Torry Kevin B Shelburne J Erik Giphart Robert F LaPrade Savio L-Y Woo J Richard Steadman

BACKGROUND The anterior cruciate ligament (ACL) has been well defined as the main passive restraint to anterior tibial translation (ATT) in the knee and plays an important role in rotational stability. However, it is unknown how closely the ACL and other passive and active structures of the knee constrain translations and rotations across a set of functional activities of increasing demand on t...

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