Journal of athletic enhancement最新文献

{"title":"Physical and the Mental Health of Athletes Demand Special Emphasis on Nutritional Intake and Professional Techniques","authors":"Peer Ks","doi":"10.4172/2324-9080.1000112E","DOIUrl":"https://doi.org/10.4172/2324-9080.1000112E","url":null,"abstract":"Nutrition plays central role in building the body and mind of the individual in general and the athletes that exert tremendous amount of energy to accomplish their activities need significant energy levels that can be bridged with the help of macro and micro nutrients. Awareness on the amount of calorie consumption and the type food the child, adolescent and the fully grown athlete need goes a long way in achieving their goals as players or athletes. Right proportion of carbohydrates, vitamins, minerals, fats and fluids are important for optimum growth and the development of the athletes.","PeriodicalId":90574,"journal":{"name":"Journal of athletic enhancement","volume":"1 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2020-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88686562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Harness Resistance Training: Does it Improve Jump and Enzymatic-Mechanical Muscle Performance in Young Soccer Players?","authors":"Gutiérrez-Vargas Jc, I. Cruz-Fuentes, B. Sánchez-Ureña, EsquivelRodríguez Mj, R. Gutiérrez-Vargas, J. Salas-Cabrera, D. RojasValverde","doi":"10.37532/JAE.2020.9(4).331","DOIUrl":"https://doi.org/10.37532/JAE.2020.9(4).331","url":null,"abstract":"Background: Harness resistance training have been usedextensively by coaches and trainers in different sport, but iteffectiveness have to be proved. \u0000Objective: Aim of this study was to explore the effects of an assisted harness resistance training program on vertical jump associated with squat and counter-movement jumps, biochemical fatigue markers (magnesium [Mg2+], lactate dehydrogenase [LDH],and creatine phosphokinase [CPK]), muscle displacement [Dm] and \u0000contraction time [Tc]) in the lower limbs of young soccer players. \u0000Methods: Eighteen young soccer players (age: 17.89 ± 0.98 years; height: 1.74 ± 0.07 m; body weight: 67.84 ± 7.26 kg; body fat percentage 12.02% ± 3.95%) were randomly assigned to three training groups: control, harness-assisted, and puller groups (three sessions per week for 8 weeks). Statistical significance was set at p< 0.05 for analysis of variances. \u0000Results: No significant differences among the three groups in vertical jump regarding the squat jump (p=0.43) and countermovement jump (p=0.92); the biochemical fatigue markers CPK (p=0.38), LDH (p=0.51), or Mg2+ (p=0.79); or right rectus femoris (Tc: p=0.88; Dm: p=0.91), left rectus femoris (Tc: p=0.91; Dm: p=0.17), \u0000right biceps femoris (Tc: p=0.20; Dm: p=0.06), left biceps femoris Tc: p= 0.17; Dm: p=0.63), right gastrocnemius lateralis (Tc: p=0.64; Dm: p=0.66), or left gastrocnemius lateralis (Tc: p=0.64; Dm: p=0.64). \u0000Conclusion: The application of this kind of assisted sports training does not seem to effectively improve muscular power or enzymatic and muscle responses.","PeriodicalId":90574,"journal":{"name":"Journal of athletic enhancement","volume":"29 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2020-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85868139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Effect of Self-Awareness on the Ability to Recognize Personal Motion","authors":"Tamara Lb, M. Pratistha","doi":"10.37532/JAE.2020.9(4).332","DOIUrl":"https://doi.org/10.37532/JAE.2020.9(4).332","url":null,"abstract":"Objective: Point-light video representations of movements have been used in a number of investigations on the ability to recognize personal motion. The purpose of this study was to examine the abilities of athletes with specific gait training (i.e., runners) discriminating personal walking characteristics from point-light videos were compared to athletes for whom gait is not a trained aspect of the sport (i.e., swimmers), and that of a control. It was hypothesized that runners would discriminate their gait among different individuals with greater accuracy than the other two groups and that runners would also devote more attention to the lower extremities for recognition indications. \u0000Method: The participants were video-recorded walking on a treadmill and the subsequent videos were transformed into point-light videos. Participants viewed the point-light videos and made discriminations on whether the individuals shown in each of the videos were themselves or others. While viewing the videos, the eye movement activity of the participants was recorded to examine the visual scanning patterns used to view the videos. \u0000Results: Consistent with the two hypotheses, runners recognized themselves more often than the participants in the other two groups (p=0.48, η2=0.18), and visual attention to different regions of the body depended on the given group with runners allotting more attention to the lower extremities (p<0.5, ηp2=0.16). \u0000Conclusions: Overall, the findings were largely consistent with other investigations with point-light video representations of movement and suggest that experience and training lead to self-awareness that is both recognizable and accessible by a performer.","PeriodicalId":90574,"journal":{"name":"Journal of athletic enhancement","volume":"30 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2020-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87328070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"New Strategies for Enhancement of Athletic Performance","authors":"Peer Ks","doi":"10.37532/JAE.2020.9(1).E114","DOIUrl":"https://doi.org/10.37532/JAE.2020.9(1).E114","url":null,"abstract":"Received: March 16, 2020 Accepted: March 16, 2020 Published: March 24, 2020 prevalent among different player groups and females were at risk of iron deficiency anemia due to relatively lower iron intakes than male players. The study suggested that dietary modification ensures adequate iron intake and prevents of iron deficiency. The study also emphasized on wider and longitudinal studies particularly among adolescents.","PeriodicalId":90574,"journal":{"name":"Journal of athletic enhancement","volume":"83 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2020-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74445653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Measuring Safe Tackle Technique In American Youth Football: Preliminary Validation Of The Standard Assessment Of Tackle Technique Rubric","authors":"S. Dietrich","doi":"10.37532/JAE.2020.9(2).329","DOIUrl":"https://doi.org/10.37532/JAE.2020.9(2).329","url":null,"abstract":"2.8 million Youth participate in full contact football. Young players could be exposed to more than 450 head impacts per season. One out of every thirty-three youth players may suffer a concussion each season. Tackling is a complex, reactive, psychomotor skill that carries potentially lifelong, catastrophic consequences if preformed incorrectly. Proper technique at an early age is essential. Our aim is to establish reliability for the Standard Assessment of Tackling Technique (SATT) a field-based, clinical assessment tool for measuring tackle proficiency. Fifteen, healthy middle school football players between age 10 and 14 were videotaped performing the Tackling Proficiency Assessment (TPA) over three separate sessions spaced seven days apart. Two raters independently scored videos using the SATT rubric. Cronbach’s alpha was 0.707. Intrarater reliability was moderate (ICC=0.57; 95% CI: 0.23-0.83) for rater 1 and good (ICC=0.79; 95% CI: 0.55-0.93) for rater 2. ICC values for sessions 1 and 2 were good, and moderate for session 3. SATT component 4-arm rip (ICC=0.40; 95% CI: 0.31-0.51) was the least reliable component while SATT component 5-leg drive (ICC=0.95; 95% CI: 0.92-0.97) was most reliable. Composite SATT scores had moderate to good intrarater reliability for both raters. Youth athletes should demonstrate their ability to perform a tackle safely, prior to participation in full contact play. Initial results show the SATT is a valid and reliable clinical assessment tool useful for evaluating basic tackle skill and identifying red flags like leading with the helmet or leaving their feet.","PeriodicalId":90574,"journal":{"name":"Journal of athletic enhancement","volume":"18 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2020-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84538727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of 3D-Multiple Object Tracking on Reaction Time Performance in High-Performance Varsity Swimmers","authors":"Snowden Tm, Hogan Kc, Sparks Tj, Stein Rg, Lysenko-Martin Mr, Christie Br","doi":"10.37532/jae.2020.9(1).326","DOIUrl":"https://doi.org/10.37532/jae.2020.9(1).326","url":null,"abstract":"Elite swimming is highly competitive; first place is often determined by only milliseconds. Improving off-the-block reaction time may serve as means to improve overall performance. The current study sought to determine whether repeated three-dimensional multiple object tracking training improves reaction times to auditory cues in high-performance varsity swimmers. Experimental participants (n=15; ages 18-25) were initially assessed for off-the block reaction times, as well as visual reaction times. Experimental participants then completed ten training sessions of three-dimensional multiple object tracking over a five-week period, after which off-the-block and visual reaction times were re-evaluated. Off-the-block reaction times improved in both the experimental and control groups (Ex: W=120, p=0.00072; Con: W=45, p=0.0039), however the improvement observed in the experimental group was significantly greater than that observed in the control group (W=10, p=0.00059). The experimental group also showed significant improvements in the ruler task, a measure of visual reaction time for both their right hand (W=111, p=0.0020) and left hand (W=113, p=0.0012). To our knowledge, this is the first evidence that training visual selective attention can positively affect auditory selective attention in nonvisually dominated sports.","PeriodicalId":90574,"journal":{"name":"Journal of athletic enhancement","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76626974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Iron Nutritional Status of Karate Players: A Review","authors":"Hiroyuki Imamura, K. Oda, A. Ishibashi, K. Tai, Kazuhide Iide, Y. Yoshimura","doi":"10.37532/jae.2020.9(1).325","DOIUrl":"https://doi.org/10.37532/jae.2020.9(1).325","url":null,"abstract":"It has been suggested that iron depletion before anemia may impair performance. Karate players have risk factors for iron depletion. This study reviewed the related literature with respect to the iron nutritional status of karate players and dietary treatments. Examining iron intake in related studies indicated that the iron intakes of female players were lower than those of male players. A high prevalence of iron deficiency was reported only in female karate players. A high prevalence of hemolysis was found not only in sparring players, but also in kata (forms performed alone) players. Dietary modification is the preferred strategy to ensure adequate iron intake, maintenance of iron levels, and as the first line of action to prevent iron deficiency. Because most reports on iron nutrition status of karate players are from Japan and all studies are cross sectional, future research investigating the iron nutritional status of karate players should include (i) Studies from Western countries and (ii) Longitudinal studies. These studies should focus on adolescents since there is a paucity of information in the literature in this area.","PeriodicalId":90574,"journal":{"name":"Journal of athletic enhancement","volume":"72 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2020-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78927252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Personalized Low Intensity Exercise Prescription based on an Index of Non-Linear Heart Rate Variability: A Case Report","authors":"B. Rogers","doi":"10.37532/jae.2020.9(1).327","DOIUrl":"https://doi.org/10.37532/jae.2020.9(1).327","url":null,"abstract":"The potential of an index of cardiac interbeat fractal complexity (DFA a1) to demarcate low intensity training was undertaken in a recreational athlete. The influence of absolute heart rate elevation versus work rate as factors responsible for loss of interbeat complexity was also examined via the usage of beta adrenergic blockade. Incremental cycling ramps were performed with and without the beta adrenergic blocking agent Atenolol 25 mg measuring DFA a1 during the last 2 minutes of each stage. No difference was seen between control and Atenolol trials for lactate thresholds, ventilation rates, rectus femoris muscle O2 desaturation and DFA a1 despite a 15 to 20 beat decrease in heart rate across all stages in the Atenolol trial. In both studies, DFA a1 progressively declined with cycling power reaching a value consistent with white noise at 25 Watts above the first ventilatory threshold. In conclusion, DFA a1 transition to an uncorrelated low complexity state occurred just above the VT1. In addition, the complexity index was related to cycling power, ventilation and presumably VO2 rather than the absolute heart rate. Longer constant power intervals near VT1 did not show additional or progressive complexity loss. DFA a1 may be a promising guide for low intensity training zone demarcation.","PeriodicalId":90574,"journal":{"name":"Journal of athletic enhancement","volume":"5 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2020-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76006133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Physiological Parameters in Response to Levels of Pressure during Contemporary CryoCompressive Applications Implications for Protocol Development","authors":"Alex, J. Er, O. Greenhalgh, Rhodes","doi":"10.37532/JAE.2020.9(2).328","DOIUrl":"https://doi.org/10.37532/JAE.2020.9(2).328","url":null,"abstract":"Background The effectiveness of simultaneous dosages of compression and cryotherapy that cryo-compressive devices can offer are of interest in the management of sports injury or post-exercise recovery. Dose-response in terms of physiological parameter is required to inform current practice in the remit of sports medicine to help define optimal protocols for application. The current study aimed to investigate the physiological effects and subjective responses of different cryo-compression dosages offered by two cryo-compressive devices over a rewarming period. Methods Twenty-nine healthy male and female participants (male n=18; female n=11) volunteered (mean ± SD: age 22 ± 3.6 years, height 168.2 ± 8.6 cm, weight 67.4 ± 11.5 kg and thigh circumference 50.7 ± 6.7 cm). Objective measures included skin surface temperature, muscle oxygenation saturation, thermal comfort and sensation. Data were collected pre, immediately post and over a 20-minute rewarming period. Participants were randomly assigned to either Group A (Game Ready); B (Squid) or C Control group. Intervention groups received different cryo-compressive protocols for testing, but all received 15-minutes of cooling. Results Significant reductions in skin surface temperature were displayed across the intervention groups for all time-points (p≤0.05). Analysis of all data displayed a significant effect of time (p≤0.001) on muscle oxygenation. Collapse of the data indicated significant differences in muscle oxygenation across the different modalities and pressure (p≤0.05). Conclusion Muscle oxygenation saturation and skin surface temperature responses differ depending on pressure dose in conjunction with cooling. Higher initial increases of muscle oxygenation saturation immediately post intervention correlate to higher levels of compression. Greater magnitudes of cooling can be achieved through the adjunct of compression. Dose-response relationships between cooling and simultaneous compression should be considered and are dependent on the therapeutic aim of treatment. In order to develop optimum protocols for management of either injury or recovery parameters further investigation is required of contemporary cryo-compressive devices.","PeriodicalId":90574,"journal":{"name":"Journal of athletic enhancement","volume":"1 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2020-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85589997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"I Got a Feeling: Exploring Precognitions in Elite Golfers","authors":"John Pates","doi":"10.37532/jae.2020.9(1).324","DOIUrl":"https://doi.org/10.37532/jae.2020.9(1).324","url":null,"abstract":"The purpose of this study was to examine the subjective experience of a form of intuition called precognition (the ability to sense the future), purported by four elite golfers playing on the PGA European Golf Tour. The participants were selected for this study on the basis of their reported experiences of precognitions during their playing careers. An open-ended, semi-structured phenomenological interview was used to gain a description of their experiences. A Thematic analysis of transcripts describing their experiences resulted in the identification of five major themes associated with intuition in this context. These were ‘clutch situations,’ emotionally arousing stimuli,’ ‘pre-feeling,’ ‘self-talk,’ and ‘prospective imagery’. The results of this study suggest precognitions manifest in clutch situations and pre-empt performance excellence. The findings could provide valuable insight for researchers and practitioners interested in the phenomena of intuition and its role in optimizing performance.","PeriodicalId":90574,"journal":{"name":"Journal of athletic enhancement","volume":"74 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2020-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86291029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}