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Jessica Fraser-Thomas and Jean Côté

The purpose of this study was to gain understanding of adolescents’ positive and negative developmental experiences in sport. Twenty-two purposefully sampled adolescent competitive swimmers participated in a semistructured qualitative interview. Content analysis led to the organization of meaning units into themes and categories (Patton, 2002). Athletes suggested their sport involvement facilitated many positive developmental experiences (i.e., related to challenge, meaningful adult and peer relationships, a sense of community, and other life experiences) and some negative developmental experiences (i.e., related to poor coach relationships, negative peer influences, parent pressure, and the challenging psychological environment of competitive sport). Findings underline the important roles of sport programmers, clubs, coaches, and parents in facilitating youths’ positive developmental experiences in sport, while highlighting numerous important directions for future research. Implications for coach training and practice are outlined.

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Patrick J. Cohn

This was an exploratory study to determine the most frequent sources of stress reported by high school golfers and also to ascertain the perceived causes of athlete burnout in golf. A guided interview approach consisting of both open-ended and specific questions related to golfing experiences was used to collect data from 10 high school competitive golfers. A typological analysis of the interviews identified a number of competitive sources of stress for golfers, including playing a particularly difficult shot, playing up to personal standards, and striving to meet parental expectations. All golfers said they had experienced a short period of burnout. Some of the most frequently cited reasons for burnout in golf were, too much practice or play, a lack of enjoyment, and too much pressure from self and others to do well. It was concluded that the perceived sources of stress need to be considered when investigating the causes of athlete burnout in golf.

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Chris Harwood and Austin Swain

This study acts as a follow-up to a previous investigation into the development and activation of achievement goals within young tennis players (Harwood & Swain, 2001). The project investigated the effects of a season-long player, parent, and coach intervention program on goal involvement responses, self-regulation, competition cognitions, and goal orientations of three junior tennis players. First, each player reported goal involvement, self-regulation, self-efficacy, and perceptions of threat and challenge prior to three ego-involving match situations. Aligned with a matched control participant, each treatment player, with their parents and coach, engaged in educational sessions and cognitive-motivational tasks over a three-month competition and training period. Postintervention, positive directional changes were reported in all players except the control participant. This study reinforces to applied researchers and practitioners the importance and practicability of social-cognitive and task-based interventions designed to facilitate optimal, motivational, and psychological states in high pressure competitive situations.

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Pascal Legrain, Fabienne d’Arripe-Longueville and Christophe Gernigon

This study examined the potential benefits of a peer tutoring program for tutors in a physical learning setting. Gender differences were also explored. Thirty-two college-age males and females identified as novices in a French boxing task were assigned in a 2 × 2, Gender × Training Type: Physical Practice (PP) versus Physical Practice associated with Peer Tutoring (PT) factorial design. All the participants were given six 2-hr French boxing lessons. The PT program included 6 min of peer coaching per lesson. Results indicated that the PT program entailed higher scores in boxing performance form, selfefficacy, interest-enjoyment, and personally controllable causal attributions and lower scores in tension-pressure. Males reported more certain expectancies and displayed higher performance outcomes than did females. Results are discussed in relation to the educational psychology literature.

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Daniel Gould, Eileen Udry, Suzanne Tuffey and James Loehr

This is the third in a series of manuscripts reporting results from a research project designed to examine burnout in competitive junior tennis players. Individual differences in burnout are examined by discussing idiographic profiles from three athletes who were identified as having burned out in the earlier phases of the project. These cases were chosen as they represented different substrains of social psychologically driven and physically driven burnout. In particular, the three cases included: (a) a player characterized by high levels of perfectionism and overtraining; (b) a player who experienced pressure from others and a need for a social life; and (c) a player who was physically overtrained and had inappropriate goals. It was concluded that although important patterns result from content analyses across participants, the unique experience of each individual must be recognized.

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Dionne A. Noordhof, Roy C.M. Mulder, Jos J. de Koning and Will G. Hopkins

Analysis of sport performance can provide effects of environmental and other venue-specific factors in addition to estimates of within-athlete variability between competitions, which determines smallest worthwhile effects.

Purpose:

To analyze elite long-track speed-skating events.

Methods:

Log-transformed performance times were analyzed with a mixed linear model that estimated percentage mean effects for altitude, barometric pressure, type of rink, and competition importance. In addition, coefficients of variation representing residual venue-related differences and within-athlete variability between races within clusters spanning ~8 d were determined. Effects and variability were assessed with magnitude-based inference.

Results:

A 1000-m increase in altitude resulted in very large mean performance improvements of 2.8% in juniors and 2.1% in seniors. An increase in barometric pressure of 100 hPa resulted in a moderate reduction in performance of 1.1% for juniors but an unclear effect for seniors. Only juniors competed at open rinks, resulting in a very large reduction in performance of 3.4%. Juniors and seniors showed small performance improvements (0.4% and 0.3%) at the more important competitions. After accounting for these effects, residual venue-related variability was still moderate to large. The within-athlete within-cluster race-to-race variability was 0.3–1.3%, with a small difference in variability between male (0.8%) and female juniors (1.0%) and no difference between male and female seniors (both 0.6%).

Conclusion:

The variability in performance times of skaters is similar to that of athletes in other sports in which air or water resistance limits speed. A performance enhancement of 0.1–0.4% by top-10 athletes is necessary to increase medal-winning chances by 10%.

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Courtney Sullivan, Johann C. Bilsborough, Michael Cianciosi, Joel Hocking, Justin T. Cordy and Aaron J. Coutts

Objectives:

To determine the physical activity measures and skill-performance characteristics that contribute to coaches’ perception of performance and player performance rank in professional Australian Football (AF).

Design:

Prospective, longitudinal.

Methods:

Physical activity profiles were assessed via microtechnology (GPS and accelerometer) from 40 professional AF players from the same team during 15 Australian Football League games. Skill-performance measure and player-rank scores (Champion Data Rank) were provided by a commercial statistical provider. The physical-performance variables, skill involvements, and individual player performance scores were expressed relative to playing time for each quarter. A stepwise multiple regression was used to examine the contribution of physical activity and skill involvements to coaches’ perception of performance and player rank in AF.

Results:

Stepwise multiple-regression analysis revealed that 42.2% of the variance in coaches’ perception of a player’s performance could be explained by the skill-performance characteristics (player rank/min, effective kicks/min, pressure points/min, handballs/min, and running bounces/min), with a small contribution from physical activity measures (accelerations/min) (adjusted R 2 = .422, F 6,282 = 36.054, P < .001). Multiple regression also revealed that 66.4% of the adjusted variance in player rank could be explained by total disposals/min, effective kicks/min, pressure points/min, kick clangers/min, marks/min, speed (m/min), and peak speed (adjusted R 2 = .664, F 7,281 = 82.289, P < .001). Increased physical activity throughout a match (speed [m/min] β – 0.097 and peak speed β – 0.116) negatively affects player rank in AF.

Conclusions:

Skill performance rather than increased physical activity is more important to coaches’ perception of performance and player rank in professional AF.

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J. Luke Pryor, Evan C. Johnson, Jeffery Del Favero, Andrew Monteleone, Lawrence E. Armstrong and Nancy R. Rodriguez

Postexercise protein and sodium supplementation may aid recovery and rehydration. Preserved beef provides protein and contains high quantities of sodium that may alter performance related variables in runners. The purpose of this study was to determine the effects of consuming a commercial beef product postexercise on sodium and water balance. A secondary objective was to characterize effects of the supplementation protocols on hydration, blood pressure, body mass, and running economy. Eight trained males (age = 22 ± 3 y, V̇O2max = 66.4 ± 4.2 ml·kg-1·min-1) completed three identical weeks of run training (6 run·wk-1, 45 ± 6 min·run-1, 74 ± 5% HRR). After exercise, subjects consumed either, a beef nutritional supplement (beef jerky; [B]), a standard recovery drink (SRD), or SRD+B in a randomized counterbalanced design. Hydration status was assessed via urinary biomarkers and body mass. No main effects of treatment were observed for 24 hr urine volume (SRD, 1.7 ± 0.5; B, 1.8 ± 0.6; SRD+B, 1.4 ± 0.4 L·d-1), urine specific gravity (1.016 ± 0.005, 1.018 ± 0.006, 1.017 ± 0.006) or body mass (68.4 ± 8.2, 68.3 ± 7.7, 68.2 ± 8.1 kg). No main effect of treatment existed for sodium intake—loss (-713 ± 1486; -973 ± 1123; -980 ± 1220 mg·d-1). Mean arterial pressure (81.0 ± 4.6, 81.1 ± 7.3, 83.8 ± 5.4 mm Hg) and average exercise running economy (V̇O2: SRD, 47.9 ± 3.2; B, 47.2 ± 2.6; SRD+B, 46.2 ± 3.4 ml·kg-1·min-1) was not affected. Urinary sodium excretion accounted for the daily sodium intake due to the beef nutritional supplement. Findings suggest the commercial beef snack is a viable recovery supplement following endurance exercise without concern for hydration status, performance decrements, or cardiovascular consequences.

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Robert P. Lamberts, Theresa N.C. Mann, Gerard J. Rietjens and Hendrik H. Tijdink

Iliac blood-flow restrictions causing painful and “powerless” legs are often attributed to overtraining and may develop for some time before being correctly diagnosed. In the current study, differences between actual performance parameters and performance parameters predicted from the Lamberts and Lambert Submaximal Cycle Test (LSCT) were studied in a world-class cyclist with bilateral kinking of the external iliac artery before and after surgery. Two performance-testing sessions, including a peak-poweroutput (PPO) test and a 40-km time trial (TT) were conducted before surgery, while 1 testing session was conducted after the surgery. Actual vs LSCT-predicted performance parameters in the world-class cyclists were compared with 82 symptom-free trained to elite male cyclists. No differences were found between actual and LSCT-predicted PPO before and after surgical intervention. However, there were differences between actual and LSCT-predicted 40-km TT time in the tests performed before the surgery (2:51and 2:55 min:s, respectively). These differences were no longer apparent in the postsurgery 40-km TT (2 s). This finding suggests that iliac blood-flow restrictions seem to mainly impair endurance performance rather than peak cycling performance. A standard PPO test without brachial ankle blood-pressure measurements might not be able to reflect iliac bloodflow restrictions. Differences between actual and LSCT-predicted 40-km TT time may assist in earlier referral to a cardiovascular specialist and result in earlier detection of iliac blood-flow restrictions.

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Lijuan Wang

This study describes the beliefs of Physical Education (PE) teachers regarding Teaching Games for Understanding (TGfU) based on the Theory of Planned Behavior (TPB). Twenty PE teachers participated in this study. Data collection consisted of a survey on demographic data and semistructured interviews. The research results indicate that the teachers were positively or neutrally disposed to TGfU. They were motivated to use TGfU either intrinsically by their responsibilities and satisfaction, or extrinsically by pressure to comply with how principals, professional colleagues, and students felt about the TGfU model. Furthermore, most of the participants expressed having low confidence in TGfU teaching due to the limitation of internal factors, such as inadequate game knowledge, limited TGfU conceptual understanding, and inability to modify games, and external factors, including contextual constraints, safety concern, and conflict with the current learning assessment system. The discussion of findings in relation to TPB furthers the understanding of TGfU implementation by the teachers (only nine out of 20 PE teachers adopted the TGfU model in classes). The findings also provide empirical evidence to support moral norm and affective beliefs as additional TPB predictors, as well as the influence of control beliefs on behavior and normative beliefs.