Abstract
Background Agility is an important characteristic of team
sports athletes. There is a growing interest in the factors
that influence agility performance as well as appropriate
testing protocols and training strategies to assess and
improve this quality.
Objective The objective of this systematic review was to
(1) evaluate the reliability and validity of agility tests in
team sports, (2) detail factors that may influence agility
performance, and (3) identify the effects of different
interventions on agility performance.
Methods The review was undertaken in accordance with
the Preferred Reporting Items for Systematic Reviews and
Meta-Analyses guidelines. We conducted a search of
PubMed, Google Scholar, Science Direct, and
SPORTDiscus databases. We assessed the methodological
quality of intervention studies using a customized checklist
of assessment criteria.
Results Intraclass correlation coefficient values were
0.80–0.91, 0.10–0.81, and 0.81–0.99 for test time using
light, video, and human stimuli. A low-level reliability was
reported for youth athletes using the video stimulus
(0.10–0.30). Higher-level participants were shown to be, on
average, 7.5 % faster than their lower level counterparts.
Reaction time and accuracy, foot placement, and in-line
lunge movement have been shown to be related to agility
performance. The contribution of strength remains unclear.
Efficacy of interventions on agility performance ranged
from 1 % (vibration training) to 7.5 % (small-sided games
training).
Conclusions Agility tests generally offer good reliability,
although this may be compromised in younger participants
responding to various scenarios. A human and/or video
stimulus seems the most appropriate method to discriminate
between standard of playing ability. Decision-making
and perceptual factors are often propositioned as discriminant
factors; however, the underlying mechanisms are
relatively unknown. Research has focused predominantly
on the physical element of agility. Small-sided games and
video training may offer effective methods of improving
agility, although practical issues may hinder the latter.
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Background Agility is an important characteristic of team
sports athletes. There is a growing interest in the factors
that influence agility performance as well as appropriate
testing protocols and training strategies to assess and
improve this quality.
Objective The objective of this systematic review was to
(1) evaluate the reliability and validity of agility tests in
team sports, (2) detail factors that may influence agility
performance, and (3) identify the effects of different
interventions on agility performance.
Methods The review was undertaken in accordance with
the Preferred Reporting Items for Systematic Reviews and
Meta-Analyses guidelines. We conducted a search of
PubMed, Google Scholar, Science Direct, and
SPORTDiscus databases. We assessed the methodological
quality of intervention studies using a customized checklist
of assessment criteria.
Results Intraclass correlation coefficient values were
0.80–0.91, 0.10–0.81, and 0.81–0.99 for test time using
light, video, and human stimuli. A low-level reliability was
reported for youth athletes using the video stimulus
(0.10–0.30). Higher-level participants were shown to be, on
average, 7.5 % faster than their lower level counterparts.
Reaction time and accuracy, foot placement, and in-line
lunge movement have been shown to be related to agility
performance. The contribution of strength remains unclear.
Efficacy of interventions on agility performance ranged
from 1 % (vibration training) to 7.5 % (small-sided games
training).
Conclusions Agility tests generally offer good reliability,
although this may be compromised in younger participants
responding to various scenarios. A human and/or video
stimulus seems the most appropriate method to discriminate
between standard of playing ability. Decision-making
and perceptual factors are often propositioned as discriminant
factors; however, the underlying mechanisms are
relatively unknown. Research has focused predominantly
on the physical element of agility. Small-sided games and
video training may offer effective methods of improving
agility, although practical issues may hinder the latter.
Do Drive thay đổi chính sách, nên một số link cũ yêu cầu duyệt download. các bạn chỉ cần làm theo hướng dẫn.
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