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Monika Lohkamp, Simon Craven, Colin Walker-Johnson and Matt Greig

Context:

Postural stability diminishes with longer activity, which may increase the risk of injury. Tape can increase stability, but this effect diminishes after exercise.

Objective:

To investigate the influence of ankle taping on postural stability during soccer-specific activity.

Participants:

10 male, injury-free, semiprofessional soccer players.

Intervention:

A 45-min treadmill protocol replicating the activity profile of soccer match play—with and without ankle tape. Postural stability was assessed every 7.5 min, requiring response to sudden ankle plantar flexion and inversion during single-leg stance.

Main Outcome Measure:

Reaction time to perturbation and center- of-gravity (CoG) displacement.

Results:

Reaction time was significantly longer (P < .05) with longer exercise for both movements and conditions. No significant effect was evident in CoG displacement. For both outcome measures a nonsignificant benefit of taping was observed during the first 22.5 min of activity.

Conclusion:

Prolonged exposure to soccer-specific activity negates any beneficial effect of taping in improving postural stability.

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Charlie Bowen, Kristian Weaver, Nicola Relph and Matt Greig

metrics relating to distance and the derivatives including velocity have limited scope in a sport such as soccer where the activity profile is self-paced, and the player dictates the activity profile to a large extent. Embedded technologies such as the accelerometer, however, enable a relatively high

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Matt Greig

extension–flexion repetitions, 3 repeated countermovement jumps, 4 and treadmill running 5 fail to adequately reflect the activity profile of soccer match-play, and therefore, interpretation in relation to injury epidemiology and etiology is limited. In developing an experimental approach to the problem

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Matt Greig, Hannah Emmerson and John McCreadie

. J Sport Rehabil . 2017 ; 26 ( 4 ): 257 – 262 . 27632834 10.1123/jsr.2015-0174 14. Aguiar MV , Botelho GM , Gonçalves BS , Sampaio JE . Physiological responses and activity profiles of football small-sided games . J Strength Cond Res . 2013 ; 27 : 1287 – 1294 . PubMed ID: 22820211 doi

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Jeff A. Nessler, Thomas Hastings, Kevin Greer and Sean C. Newcomer

the Surfrider Foundation ; 2011 5. Mendez-Villanueva A , Bishop D , Hamer P . Activity profile of world-class professional surfers during competition: a case study . J Strength Cond Res. 2006 ; 20 ( 3 ): 477 – 482 . PubMed doi: 10.1519/16574.1 16937958 6. Meir RA , Lowdon BJ , Davie

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Adam Jones, Richard Page, Chris Brogden, Ben Langley and Matt Greig

Soccer is characterized by an irregular, intermittent, and multidirectional activity profile, increasing the complexity of its mechanical demands. The mechanical demands of soccer and subsequent injury risk might be further influenced by the nature of the playing surface, 1 an extrinsic risk

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Fahimeh Kamali, Ehsan Sinaei and Maryam Morovati

.1016/0304-3959(86)90117-X 3960573 21. Jester A , Harth A , Wind G , Germann G , Sauerbier M . Disabilities of the arm, shoulder and hand (DASH) questionnaire: determining functional activity profiles in patients with upper extremity disorders . J Hand Surg . 2005 ; 30 ( 1 ): 23 – 28 . PubMed ID: 15620487

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Catherine Mason and Matt Greig

(relating to dressage element) completed in a randomized order. The study was conducted in the equestrian arena commonly used by each rider, with the rider using their own horse and dressage saddle. Familiarization trials were completed to ensure that the choreographed activity profile for each element was

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Alexandra F. DeJong and Jay Hertel

, Morgan S , Aughey RJ . When is a sprint a sprint? A review of the analysis of team-sport athlete activity profile . Front Physiol . 2017 ; 8 : 432 . PubMed ID: 28676767 doi:10.3389/fphys.2017.00432 10.3389/fphys.2017.00432 28676767 16. Reenalda J , Maartens E , Homan L , Buurke JHJ

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Sergio Jiménez-Rubio, Archit Navandar, Jesús Rivilla-García, Víctor Paredes-Hernández and Miguel-Ángel Gómez-Ruano

R . Accuracy and reliability of SPI Pro X global positioning system devices for measuring movement demands of team sports . J Sports Med Phys Fitness . 2015 ; 55 ( 5 ): 471 – 477 . PubMed ID: 25303067 24. Suarez-Arrones L , Torreno N , Requena B , et al . Match-play activity profile in