Reliability, Usefulness, and Validity of the 30–15 Intermittent Ice Test in Young Elite Ice Hockey Players

Buchheit, Martin; Lefebvre, Benjamin; Laursen, Paul B.; Ahmaidi, Saïd

doi:10.1519/jsc.0b013e3181d686b7

Cited by 81 publications

(75 citation statements)

References 21 publications

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“…23 A test was regarded as reliable if it had a CV <5%. 12 In order to determine the sensitivity of each test, the SWC was calculated as 0.2 x between-subject standard deviation and calculated as a percentage of the mean in order to compare with the CV. Sensitivity of each test was classified as follows; good (CV < SWC), OK (CV = SWC) or poor (CV > SWC).…”

Section: Resultsmentioning

confidence: 99%

“…12 In addition, practitioners need to also determine whether a change is of practical significance. The threshold for a change to be deemed practically significant is based on the concept of Cohen's Effect size and is known as the smallest worthwhile change (SWC).…”

Section: Introductionmentioning

confidence: 99%

“…Measures that exhibit a between-day CV that is lower than the SWC have 'good' sensitivity, while measures that have a between-day CV of equal to, or greater than the SWC have 'OK' or 'poor' sensitivity respectively. 12 It is important that studies investigating changes in neuromuscular function in collision-sport athletes consider and report the between-day reliability of specific tests, to allow the reader to confidently interpret their data. Studies that report the reliability of tests typically reference published reliability studies undertaken on a different population, 4,5 or report the reliability values from their own data, without describing how this reliability was derived (i.e., within-or between-day).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Between-Days Reliability and Sensitivity of Common Fatigue Measures in Rugby Players

Roe¹,

Darrall-Jones²,

Till³

et al. 2016

International Journal of Sports Physiology and Performance

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This study established the between-day reliability and sensitivity of a countermovement jump (CMJ), plyometric push-up, wellbeing questionnaire and whole blood creatine kinase concentration [CK] in elite male youth rugby union players. The study also established the between-day reliability of 1, 2 or 3 CMJ and plyometric push-up attempts. Twenty-five players ]completed tests on 2 occasions separated by 5 days (of rest). Between-day typical error (TE), coefficient of variation (CV) and smallest worthwhile change (SWC) were calculated for the wellbeing questionnaire, [CK] and CMJ and plyometric push-up metrics (peak/mean power, peak/mean force, height, flight-time and flight-time to contraction-time ratio) for 1 maximal effort or taking the highest score from 2 or 3 maximal efforts. The results from this study would suggest that CMJ mean power (2 or 3 attempts), peak force or mean force, and plyometric push-up mean force (from 2 or 3 attempts) should be used for assessing lower-and upper-body neuromuscular function respectively, due to both their acceptable reliability (CV<5%) and good sensitivity (CV 5% (7.1% and 26.1% respectively) and poor sensitivity (CV>SCW). The findings from this study can be used when interpreting fatigue markers to make an objective decision about a player's readiness to train or compete.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Between-Days Reliability and Sensitivity of Common Fatigue Measures in Rugby Players

Roe¹,

Darrall-Jones²,

Till³

et al. 2016

International Journal of Sports Physiology and Performance

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“…It is important to acknowledge that having the best reliability does not mean a variable is the most useful at measuring something valuable, as a number of physiological measures have high reliability but may not be sensitive to measurement tools (23). Despite this a CV <5% was set as the criterion to declare that a variable was reliable as previously reported (6,9). The usefulness of the test was assessed by comparing the SWC with the TE (23).…”

Section: Sdiff / √2mentioning

confidence: 98%

Reliability and Usefulness of Linear Sprint Testing in Adolescent Rugby Union and League Players

Darrall-Jones

Jones

Roe

et al. 2016

Journal of Strength and Conditioning Research

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The purpose of the present study was to evaluate; 1) whether there were differences in sprint times at 5, 10, 20, 30 and 40 m between rugby union and rugby league players; 2) determine the reliability and usefulness of linear sprint testing in adolescent rugby players. Data were collected on 28 rugby union and league academy players over two testing sessions, with three day's rest between sessions. Rugby league players were faster at 5 m than rugby union players, with further difference unclear. Sprint time at 10, 20, 30 and 40 m were all reliable (CV = 3.1%, 1.8%, 2.0% and 1.3%) but greater than the smallest worthwhile change (SWC (0.2 x between-subject SD)), rating the test as marginal for usefulness. While the test was incapable of detecting the SWC we recommend that practitioners and researchers use Hopkins' proposed method (22); whereby plotting the change score of the individual at each split (± TE expressed as a CV) against the SWC, and visually inspecting whether the TE crosses into the SWC is capable of identifying whether a change is both real (greater than the noise of the test, i.e., >TE) and of practical significance (>SWC). Researchers and practitioners can use the TE and SWC from the present study to assess changes in performance of adolescent rugby players when using single beam timing gates.

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“…Time motion analysis research has pointed out ice hockey as a high speed intermittent invasion game similar to the other games (Buchheit, Lefebvre, Laursen, & Ahmaidi, 2011;Montgomery, 1988). The game is characterised by irregular changes between high and low intensity activities over very short periods of time (up to 10 s) with high-impact body contact.…”

Section: Introductionmentioning

confidence: 99%

Reliability of specific on-ice repeated-sprint ability test for ice-hockey players

Hůlka¹,

Bělka²,

Cuberek³

et al. 2014

Acta Gymnica

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Background: Repeated sprint ability tests are today widely used to evaluate the performance capability in team sports. Objective: The aim of this study was to determine the reliability of a specific ice hockey test, which indicates the agility and repeated-sprint ability of the players. Methods: Twenty four highly trained junior ice hockey players (age = 17.68 ± 1.52 years; BMI = 23.8 ± 1.92 kg · m -2 ) participated in the study. Each participant was assessed for specific on-ice repeated-sprint ability test 12 × 54 m with 30 s rest. Intraclass correlation coefficient (association between two repeated measurements) and coefficient of variation were calculated to assess the reliability of the test. Results: All intraclass correlation coefficients were .78 for sprint decrement and .98 for total time and the best time, the coefficient of variation was 1.52% for best sprint time, 1.31% for total time and 19.3% for sprint decrement variable. Conclusions: The results suggest the high reliability of the ice hockey agility test expressed by the best sprint time and repeated-sprint ability by the total time and less reliability of sprint decrement.

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Reliability, Usefulness, and Validity of the 30–15 Intermittent Ice Test in Young Elite Ice Hockey Players

Cited by 81 publications

References 21 publications

Between-Days Reliability and Sensitivity of Common Fatigue Measures in Rugby Players

Between-Days Reliability and Sensitivity of Common Fatigue Measures in Rugby Players

Reliability and Usefulness of Linear Sprint Testing in Adolescent Rugby Union and League Players

Reliability of specific on-ice repeated-sprint ability test for ice-hockey players

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