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Acceptance and Commitment Training to Promote Psychological Flexibility in Ice Hockey Performance: A Controlled Group Feasibility Study

Tobias Lundgren, Gustaf Reinebo, Markus Näslund, and Thomas Parling

developed specifically to enhance performance for ice hockey players. ACT is a contextual behavioral therapy that often includes work with metaphors and experiential exercises. The theory of ACT is based in behavioral analysis and relational frame theory (RFT)—a behavioral account of human language and

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The Association of Sport Specialization With Youth Ice Hockey Position and Youth Ice Hockey Parents’ Perceptions of Sport Specialization

Madeline Winans, Kevin M. Biese, Grace Rudek, Madison N. Renner, Julie M. Stamm, and David R. Bell

examined sport specialization in youth ice hockey, which comprised about 1 million youth athletes in the International Ice Hockey Federation and about 50,000 U.S. high school athletes. 8 , 9 At the collegiate level in the United States, youth athletes can be contacted or recruited by the National

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A Theoretical Framework for Structuring the Content of Competitive Worry in Ice Hockey

John G.H. Dunn

Many competitive sport anxiety researchers have examined the degree to which athletes worry before or during competition. Little attention has been paid, however, to establishing a conceptual framework for structuring the content of competitive worry. The main purpose of this study was to examine the latent dimensionality of competitive worry in intercollegiate ice hockey (N= 178) using a conceptual framework based on two multidimensional anxiety theories developed by Endler (1983) and Hackfort (1986). Multidimensional scaling and factor-analytic results revealed that competitive worry in ice hockey can be structured around a combination of four potential content domains relating to athletes’ fear of failure, negative social evaluation, injury or physical danger, and the unknown. These constructs were congruent with the situational anxiety dimensions proposed by Endler and Hackfort. Discussion focuses on the characteristic features of the four worry domains and the extent to which athletes were predisposed to experiencing each type of worry.

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A Novel Approach to Determine Strides, Ice Contact, and Swing Phases During Ice Hockey Skating Using a Single Accelerometer

Bernd J. Stetter, Erica Buckeridge, Vinzenz von Tscharner, Sandro R. Nigg, and Benno M. Nigg

This study presents a new approach for automated identification of ice hockey skating strides and a method to detect ice contact and swing phases of individual strides by quantifying vibrations in 3D acceleration data during the blade–ice interaction. The strides of a 30-m forward sprinting task, performed by 6 ice hockey players, were evaluated using a 3D accelerometer fixed to a hockey skate. Synchronized plantar pressure data were recorded as reference data. To determine the accuracy of the new method on a range of forward stride patterns for temporal skating events, estimated contact times and stride times for a sequence of 5 consecutive strides was validated. Bland-Altman limits of agreement (95%) between accelerometer and plantar pressure derived data were less than 0.019 s. Mean differences between the 2 capture methods were shown to be less than 1 ms for contact and stride time. These results demonstrate the validity of the novel approach to determine strides, ice contact, and swing phases during ice hockey skating. This technology is accurate, simple, effective, and allows for in-field ice hockey testing.

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Youth Female Ice Hockey Players’ Enjoyment and Commitment to Sport

Kari Roethlisberger, Vista Beasley, Jeffrey Martin, Brigid Byrd, Krista Munroe-Chandler, and Irene Muir

types. For example, girls who participate in sport benefit from increased confidence, self-esteem, social well-being, and empowerment ( Eime et al., 2013 ; Pedersen & Seidman, 2004 ; United Nations, 2007 ), and benefits specific to female ice hockey players include character development, academic

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Recoil Effect of the Ice Hockey Stick during a Slap Shot

A. Villaseñor, R.A. Turcotte, and D.J. Pearsall

The purpose of this study was to examine the “recoil” effect of the ice hockey stick shaft during a stationary slap shot. Nine male adult subjects (four elite and five recreational) were tested. Their performances were evaluated by simultaneously recording stick movement and internal bending from high-speed digital video (1,000 Hz) and puck acceleration from a triaxial accelerometer positioned inside the puck. In addition, an electrical circuit measured blade–puck contact time. Data were analyzed with a one-way MANOVA for several dependent variables, including final puck velocity, puck acceleration, maximum stick shaft bending (angle and distance deflection), stick shaft angular velocities, blade–puck contact time, and corresponding time events. The results indicate the following. First, blade–puck contact time was greater for the elite than for recreational players (38 ± 9 ms and 27 ± 5 ms); however, measures for puck acceleration were essentially the same (63.8 g ± 9.9 and 61.8 g ± 19.5). Two, the elite players were able to generate greater puck velocities (120 ± 18 km/h and 80.3 ± 11.6 km/h). Three, the recoil timing was found to be greater for elite players (59.8% of blade–puck contact).

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A Framework for the Standardization of Game Analysis in Ice Hockey

Craig A. Staunton and Glenn Björklund

Ice hockey is a global international team sport with 76 member countries of more than 1.6 million players registered in the International Ice Hockey Federation. Ice hockey games are characterized by explosive accelerations and decelerations on ice skates with frequent changes in speed and direction

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Effects of Caffeine on Exertion, Skill Performance, and Physicality in Ice Hockey

Robyn F. Madden, Kelly A. Erdman, Jane Shearer, Lawrence L. Spriet, Reed Ferber, Ash T. Kolstad, Jessica L. Bigg, Alexander S.D. Gamble, and Lauren C. Benson

Ice hockey is characterized by short bursts of high-intensity physical exertion, 1 which requires athletes to simultaneously execute skilled maneuvers. 2 In addition, physicality (ie, body contact) is a necessary component of game play, particularly in men’s ice hockey where body checking is

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The Relationship Between Lower-Body Force–Time Variables and Skating Performance in Female Ice Hockey Players

Mary C. Geneau, Ming-Chang Tsai, Dana Agar-Newman, Daniel J. Geneau, Marc Klimstra, and Lachlan P. James

Ice hockey is a complex team invasion sport characterized by repeated high-intensity efforts, demanding technical and tactical skills, and physical contact and collisions. Ice hockey is played over three 20-minute stop-time periods in which players are on the ice approximately 30 to 75 seconds at a

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Relative Age Effects in Women’s Ice Hockey: Contributions of Body Size and Maturity Status

Christina A. Geithner, Claire E. Molenaar, Tommy Henriksson, Anncristine Fjellman-Wiklund, and Kajsa Gilenstam

the “relative age effect” (RAE). RAEs have been observed in many team sports ( Cobley et al., 2009 ) and in men’s ice hockey, where players born in Q1 are consistently overrepresented relative to those born later in the year (e.g.,  Baker, Cobley, et al., 2010 ; Barnsley & Thompson, 1988 ; Grondin