Jurek, Joanna Michalina
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A Review: Exploring Nutrition Approaches to Improve Mental Health Among Athletes: Focus on Depression and Disordered Eating Malinowska, Zuzanna; Hadjieva, Iana-Maria; Majsiak, Julia; Jurek, Joanna Michalina
Journal of Coaching and Sports Science Vol 3, No 2 (2024): Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/002024334800

Abstract

Elite sports environments can increase psychiatric conditions like stress and depression due to social pressure for specific body shapes, encouraging disordered eating behaviors, especially in endurance, aesthetic, and weight-dependent sports. This review aims to investigate eating habits among athletes suffering from poor mental health and identify dietary strategies or nutritional advice to mitigate these conditions in physically active individuals. The review focused on studies conducted after 2010 involving adults in any level of regular physical activity, showcasing psychiatric symptoms related to a disordered relationship with food, including depression and various eating disorders. The search on the literature databases was conducted on 20th October 2023 through multiple electronic databases (PubMed, SCOPUS, and Google Scholar) to capture as many relevant citations as possible. Exclusions were made for studies on children or psychiatric patients. The research was sourced from significant databases, emphasizing the correlation between dietary habits and mental health in athletes. Findings reveal that athletes, particularly in ultra-endurance and weight-dependent sports, are susceptible to psychiatric disorders such as depression, anxiety, and exercise addiction. Competitive bodybuilders also showed higher levels of depression and orthorexia nervosa symptoms. Tailored nutrition therapy, guided by healthcare professionals and adjusted to each athlete's specific needs and preferences, is crucial for addressing psychiatric symptoms and eating disorders in athletes. A holistic approach to recovery and well-being can significantly enhance both performance and overall quality of life, underscoring the importance of high-quality, balanced diets in supporting mental health and athletes' achievement.
Assess the efficacy of the combination of sports massage with heat therapy in improving range of motion in patients with shoulder pain? Dewantara, Julian; Yuniana, Rina; Stefanska, Olga; Jurek, Joanna Michalina
Tanjungpura Journal of Coaching Research Vol 2, No 3 (2024): Tanjungpura Journal of Coaching Research
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/tajor.v2i3.82304

Abstract

Background and Study Aim. This study aims to assess the efficacy of combining sports massage and heat therapy in enhancing joint range of motion among patients experiencing shoulder pain. Shoulder pain often coincides with restricted range of motion, impacting daily activities and overall quality of life. Sports massage is recognized for its ability to alleviate muscle tension and enhance blood circulation, while heat therapy is known to decrease muscle stiffness and enhance tissue elasticity. The integration of these two therapies is anticipated to offer synergistic advantages in addressing shoulder pain issues and improving joint flexibility.Material and Methods. The research design employed in this study is pre-experimental, utilizing a one-group pretest and posttest approach. The intervention involved administering a regular combination of sports massage and heat therapy to a group of patients with shoulder pain. Joint range of motion was assessed before and after the intervention using a pretest-posttest design. Statistical analyses, including t-tests and significance tests, were conducted to evaluate the difference between the mean pretest and posttest values.Results. The findings revealed a notable increase in the mean posttest measurements compared to the pretest values. Moreover, the significance test results indicated a significant effect (0.001 < 0.05), highlighting the effectiveness of combining sports massage and heat therapy in augmenting joint range of motion among patients with shoulder pain.Conclusion. These results strongly support the implementation of the combined therapy approach in shoulder pain rehabilitation to address limitations in joint range of motion. This study contributes to the scientific comprehension of the synergistic benefits associated with both therapies and lays the groundwork for refining treatment guidelines for individuals with similar conditions.
Effect of Nitrates supplementation on Muscle Hypertrophy and Athletic Performance: A Narrative Review Stefanska, Olga; Rudnicki, Jakub; Szczepocki, Matthew; Jurek, Joanna Michalina
Tanjungpura Journal of Coaching Research Vol 2, No 2 (2024): Tanjungpura Journal of Coaching Research
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/tajor.v2i2.78859

Abstract

Background and Study Aim. The consumption of nitrate has been linked to various advantages, including aiding recovery by lessening fatigue, enhancing oxygen supply to muscles, and increasing the elimination of metabolic by-products during intense physical activity. Given the rising trend of utilizing dietary supplements for peak athletic performance, this literature review aims to explore the role and promise of nitrate supplementation in influencing muscle function and boosting physical prowess, while also shedding light on its potential perks and drawbacks.Material and Methods. Electronic databases including Web of Science (all databases), PubMed, Scopus, Google Scholar, Science Direct, were explored on June 11, 2022. The search terms were drawn from prior systematic reviews on nitrate supplementation and exercise and informed by a recent narrative review on Nitrates impact on athletic performance and muscle hypertrophy.Results. The findings of this review indicate that nitrate intake, owing to its ability to widen blood vessels, could potentially enhance blood flow and oxygen delivery to muscles during exercise. Consequently, this improved circulation might facilitate better nutrient and oxygen transportation to muscle tissue, thereby fostering muscle development through enhanced nutrient absorption and waste removal during physical exertion. However, it's crucial to note that excessive nitrate consumption might trigger adverse effects related to the formation of nitrosamines.Conclusion. In summary, investigations into the potential advantages of nitrate supplementation, whether through dietary sources or supplements, in augmenting athletic performance are promising. This is evident from the observed effects of increased muscle protein synthesis, reduced muscle soreness, and enhanced cognitive function under stressful conditions. Nonetheless, it's imperative to exercise caution against over-supplementation due to the potential risks of toxicity and associated side effects.
Narrative literature review: Effect of Branched-chain Amino Acids (BCAAs) on muscle hypertrophy and athletic performance Stefańska, Olga; Rudnicki, Jakub; Szczepocki, Matthew; Jurek, Joanna Michalina
Tanjungpura Journal of Coaching Research Vol 2, No 2 (2024): Tanjungpura Journal of Coaching Research
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/tajor.v2i2.78568

Abstract

Background and Study Aim. Branched-chain amino acids (BCAAs) have received considerable attention in sports science due to their potential benefits in improving athletic performance and promoting muscle recovery. BCAAs including leucine, isoleucine, and valine, are essential amino acids that are important for muscle protein physiology. To date, studies have shown positive effects of BCAAs supplementation on muscle recovery, muscle soreness, and cognitive function. Hence, with the growing popularity of using dietary supplements for optimal athletic performance, this narrative literature review aims to investigate the role and potential of BCAAs supplementation to influence muscle function and improve physical performance, while highlighting the potential benefits and side effects associated with their supplementation.Material and Methods. The current review was conducted according to PRISMA (Preferred reporting items for systematic review and meta-analysis) guidelines. Electronic databases including Web of Science (all databases), PubMed, Scopus, Google Scholar, Science Direct, were explored on June 11, 2022.Results. Based on recent evidence, BCAAs have been shown to reduce muscle damage, improve muscle recovery and repair, increase muscle protein synthesis, and maintain muscle mass during periods of energy restriction, however may also have some potential side effects such as liver damage, kidney dysfunction and negative effects on glucose metabolism.Conclusion. In conclusion, studies investigating the potential benefits of BCAAs obtained from supplementation and diet to improve athletic performance are promising due to their demonstrated effects in increasing muscle protein synthesis, reducing muscle soreness, and improving cognitive function under stress. Nevertheless, excessive supplementation should be avoided due to the potential risk of toxicity and side effects.
Rehabilitation of the knee following ACL repair and reconstruction: A review of clinical best practices Haidar, Muhammad Daffa; Mulyawan, Rizki; Dewantara, Julian; Jurek, Joanna Michalina
Tanjungpura Journal of Coaching Research Vol 3, No 1 (2025): Tanjungpura Journal of Coaching Research
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/tajor.v3i1.88592

Abstract

Background and Study Aim. ACL reconstruction is the surgical replacement of the anterior cruciate ligament with a tissue graft to restore knee function. To avoid problems including edema, loss of range of motion, muscle weakness, poor balance, and recovery of knee function, rehabilitation treatment should be performed after surgery. Immediate implementation of open kinetic chain exercises, use of criterion-based progressions for various activities such as running, sprinting, and plyometrics, and implementation of a secondary prevention program. This clinical practice review is to discuss the parameters associated with the rate of phase repair for ACL repair and to guide therapists according to the parameters of postoperative healing.Material and Methods. The patient presented with a knee brace still in place, swelling and incision marks above the patella, and atrophy of the dextra quadrisep muscle, the patient still had difficulty bending and straightening his right knee, and used crutches to help him walk. The modalities given are massage, electrotherapy (TENS), various exercises (exercise therapy), stretching, and cryotherapy.Results. There are five phases of rehabilitation: maximal protection, moderate protection, minimum protection (initial strengthening), Neuromuscular Control and Functional Training (strengthening-cardiovascular conditioning), and maintenance and Return to Activity (controlled agility-advanced conditioning). These stages are to help reduce swelling, increase joint range of motion, increase muscle strength, and reduce pain.Conclusion. Periodization theory should be fundamentally understood by sports rehabilitation professionals, especially physical therapists and sports medicine physicians. So that a safe and organized postoperative procedure can be established.
Punching bag and resistance band training: How does it affect the accuracy of Gyaku Tsuki punches in terms of arm muscle strength? Adriani, Desi; Rismayanthi, Cerika; Ciptadi, Zaniar Dwi Prihatin; Jurek, Joanna Michalina
Tanjungpura Journal of Coaching Research Vol 3, No 2 (2025): Tanjungpura Journal of Coaching Research
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/tajor.v3i2.89689

Abstract

Background and Study Aim. Punch accuracy is an important aspect of karate, especially in the Gyaku Tsuki technique which demands precision and optimal strength. Various training methods have been developed to improve punch accuracy, including punching bag and resistance band training. This study aims to analyze the effect of punching bag and resistance band training on the accuracy of Gyaku Tsuki punches in karate athletes, considering arm muscle strength factors.Material and Methods. The research method used was an experiment with a 2x2 factorial design. The research subjects consisted of karate athletes who were divided into four groups based on the type of training and the level of arm muscle strength (high and low) there were 60 athletes practicing at Dojo Inkai. Measurement of punching accuracy was carried out using the targeted punching test and video analysis. Furthermore, the analysis was assisted by the SPSS 26 application.Results. The Two-Way ANOVA results showed a significant difference (p 0.05) between punching bag and resistance band training on Gyaku Tsuki accuracy. Athletes with high arm muscle strength benefited more from punching bag training, while no significant difference was found between the methods for those with low arm strength. An interaction effect (p 0.05) indicated that training effectiveness depends on athletes' physical characteristics.Conclusions. These findings provide important implications for coaches and athletes in developing more effective training programs. The punching bag exercise is recommended for athletes with high arm muscle strength, while resistance bands can be used as an alternative to improve stability and muscle endurance. This research also opens opportunities for further studies related to other training variations in improving the accuracy of punching techniques in karate.
Coaching without a compass: Why the Philippines needs a national framework for coaching education Balore, Julibert Jr Noynoyan; Suniga, John Paul C.; Jurek, Joanna Michalina
Tanjungpura Journal of Coaching Research Vol 3, No 3 (2025): Tanjungpura Journal of Coaching Research
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/tajor.v3i3.94209

Abstract

Background and Study Aim. Coaches play a critical role in athlete development, yet coaching education in the Philippines remains fragmented, decentralized, and under-regulated. Despite the growing success of Filipino athletes on the international stage, the absence of a national framework has resulted in inconsistent certification standards, limited access to continuing professional development (CPD), and uneven opportunities for career progression. This study aims to address this gap by proposing a unified National Coaching Education Framework (NCEF) for the Philippines. Material and Methods. The study employed a policy-oriented approach that combined a structured literature review with comparative policy analysis of international models such as Canada"™s National Coaching Certification Program (NCCP), the United Kingdom"™s Coaching Certificate (UKCC), and Singapore"™s Continuing Coach Education (CCE) Program. Thematic analysis was conducted across academic literature, government reports, and institutional documents. Results. Findings reveal four critical issues: (1) fragmentation and lack of standardization in certification, (2) limited access to CPD, (3) inequities in affordability and regional accessibility, and (4) a disconnect between academic preparation and applied coaching practice. Based on these insights, the proposed NCEF introduces a tiered certification system"”community, developmental, and elite/high-performance coaches"”supported by mandatory CPD, ethics, and safeguarding standards. Conclusions. This framework contributes to the professionalization of coaching in the Philippines while aligning with international benchmarks. It also provides practical implications for policymakers and institutions, offering a pathway toward a more equitable, accountable, and sustainable coaching system.