Factors influencing sport injury risk, rehabilitation outcomes, and return to sport processes have been the focus in various research disciplines (sports medicine, psychology and sociology). One discipline, with over 50 years of scholarship, is the psychology of sport injury. Despite the research in this field, there is no evidence-based consensus to inform professional practice. The aim of this original and timely consensus statement is to summarise psychological sport injury research and provide consensus recommendations for sport practitioners seeking to implement psychological principles into clinical practice. A total of seven experts with extensive experience outlined the consensus objectives and identified three psychology of sport injury sub-domains: risk, rehabilitation and return to sport. The researchers, grouped in pairs, prepared initial drafts of assigned sub-domains. The group met in Stockholm, and the three texts were merged into a draft and revised in an iterative process. Stress responses are the strongest psychological risk factor for acute injuries. Intra- and interpersonal factors, as well as sociocultural factors, are demonstrated psychosocial risk factors for overuse injuries. Stress management and mindfulness interventions to prevent injuries have been successfully implemented. The rehabilitation process may influence athlete\'s cognitive, emotional, and behavioural responses. Social support, mindfulness, acceptance-based practices, and cognitive-behavioural based intervention programs reduce negative reactions. Return to sport includes various stages and different trajectories. Returning athletes typically experience concerns regarding competence, autonomy, and relatedness. It is recommended that athletes focus on the physical, technical, and psychological demands of their sport as they progress to increasingly intense activities. Interdisciplinary collaboration (e.g., sports medicine and psychology) would be beneficial in enhancing clinical practice and improving athlete outcomes.

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BACKGROUND: Baseball is one of the most popular youth sporting activities. Youth pitchers remain at high risk for shoulder and elbow overuse injuries despite well-established recommendations on pitch count limits. The purpose of this investigation was to conduct surveys of youth baseball coaches evaluating the current state of understanding and compliance with youth pitch count guidelines and risk factors for overuse injuries.
METHODS: A total of 82 youth baseball coaches in surrounding suburban areas outside 2 separate Midwestern metropolitan cities were asked to answer an anonymous 13-question survey. Survey questions solicited demographic information of youth athletes coached, while assessing for incidence, knowledge of, and compliance with established recommendations on pitch count limits and upper extremity overuse injuries in youth pitchers.
RESULTS: In total, 61 of 82 (74%) coaches returned surveys. The majority of coaches reported coaching male athletes (89%, n=54) primarily between the ages of 11 to 12 years (51%, n=31). A total of 56% (n=34) of coaches reported \"always\" keeping track of pitch counts; however, 92% (n=56) reporting not keeping track of pitches based on established recommendations by the American Sports Medicine Institute, whereas 56% were noncompliant with age appropriate pitch count recommendations as established by the 2006 US Baseball Medical and Safety Advisory Committee. Only 13% (n=8) of coaches were able to correctly identify risk factors for overuse injuries while acknowledging the necessity of off-season strengthening. Thirty-eight percent (n=23) of coaches reported sitting out an athlete because of overuse injury, with the highest rates found in those coaching the youngest (≤8 and younger) and oldest (≥17 and older) age groups. Meanwhile, 15% (n=9) of coaches were noncompliant with age-based recommendations against throwing breaking pitches.
CONCLUSIONS: Knowledge regarding pitch count guidelines established to prevent overuse injuries to the shoulder and elbow in youth pitchers remains deficient in the cohort of coaches surveyed.
METHODS: Level IV-Case Series.

The modern-day athlete participating in elite sports is exposed to high training loads and increasingly saturated competition calendar. Emerging evidence indicates that inappropriate load management is a significant risk factor for acute illness and the overtraining syndrome. The IOC convened an expert group to review the scientific evidence for the relationship of load-including rapid changes in training and competition load, competition calendar congestion, psychological load and travel-and health outcomes in sport. This paper summarises the results linking load to risk of illness and overtraining in athletes, and provides athletes, coaches and support staff with practical guidelines for appropriate load management to reduce the risk of illness and overtraining in sport. These include guidelines for prescription of training and competition load, as well as for monitoring of training, competition and psychological load, athlete well-being and illness. In the process, urgent research priorities were identified.

Athletes participating in elite sports are exposed to high training loads and increasingly saturated competition calendars. Emerging evidence indicates that poor load management is a major risk factor for injury. The International Olympic Committee convened an expert group to review the scientific evidence for the relationship of load (defined broadly to include rapid changes in training and competition load, competition calendar congestion, psychological load and travel) and health outcomes in sport. We summarise the results linking load to risk of injury in athletes, and provide athletes, coaches and support staff with practical guidelines to manage load in sport. This consensus statement includes guidelines for (1) prescription of training and competition load, as well as for (2) monitoring of training, competition and psychological load, athlete well-being and injury. In the process, we identified research priorities.

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BACKGROUND: Rib stress injury (RSI) is the development of pain due to bone oedema caused by overload along the rib shaft and is commonly seen in rowers. Often clinicians who manage this injury are experienced with the condition at the elite level. There may, however, be a lack of confidence in diagnosing and managing this condition by clinicians who are not regularly exposed to this injury. As a result, an evidence-based guideline has been developed to aid diagnosis and management of RSI.
METHODS: A detailed literature search was conducted reviewing the diagnosis and management of RSI. Detailed discussions were held by the Great Britain Rowing Medical Team to identify key issues in diagnosis and management of RSI. An up-to-date, evidence-based approach to managing RSI was created using both expert knowledge and current literature to formulate a functional guideline outlining best practice in management of RSI in rowers.
RESULTS: A clinical guideline has been created incorporating 5 key areas: diagnosis, severity grading, investigation, management and associated risk factors for RSI. Important indicators for each key area are incorporated within the guideline using relevant literature where possible alongside expert opinion. The guideline has deliberately been kept concise and tailored for use in the clinical setting.
CONCLUSIONS: A new clinical guideline for management of RSIs has been developed to facilitate clinicians in identifying RSI, aiding accurate diagnosis and providing effective management. This guideline is to be disseminated to clinicians, rowing coaches and clubs throughout the UK.

Electronic games (e-games) are widely used by children, often for substantial durations, yet to date there are no evidence-based guidelines regarding their use. The aim of this paper is to present guidelines for the wise use of e-games by children based on a narrative review of the research. This paper proposes a model of factors that influence child-e-games interaction. It summarises the evidence on positive and negative effects of use of e-games on physical activity and sedentary behaviour, cardio-metabolic health, musculoskeletal health, motor coordination, vision, cognitive development and psychosocial health. Available guidelines and the role of guidelines are discussed. Finally, this information is compiled into a clear set of evidence-based guidelines, about wise use of e-games by children, targeting children, parents, professionals and the e-game industry. These guidelines provide an accessible synthesis of available knowledge and pragmatic guidelines based on e-game specific evidence and related research.

Repetitive strain injuriesof the upper extremities refer to pain in the forearm, wrist and hand, caused by excessive strain. Diagnoses include tenosynovitis, epicondylitis and carpal tunnel syndrome. Treatment is aimed at alleviating pain, restoring normal physical functioning and maintain ability to work. Preventive interventions have shown some attenuation of discomfort but no effects on disease prevalance or sick leave days. Return to work interventions seem to decrease length of sickness absences. Part time work has hastened return to work and decreased sickness absences in musculoskeletal disorders.

Successful training not only must involve overload but also must avoid the combination of excessive overload plus inadequate recovery. Athletes can experience short-term performance decrement without severe psychological or lasting other negative symptoms. This functional overreaching will eventually lead to an improvement in performance after recovery. When athletes do not sufficiently respect the balance between training and recovery, nonfunctional overreaching (NFOR) can occur. The distinction between NFOR and overtraining syndrome (OTS) is very difficult and will depend on the clinical outcome and exclusion diagnosis. The athlete will often show the same clinical, hormonal, and other signs and symptoms. A keyword in the recognition of OTS might be \"prolonged maladaptation\" not only of the athlete but also of several biological, neurochemical, and hormonal regulation mechanisms. It is generally thought that symptoms of OTS, such as fatigue, performance decline, and mood disturbances, are more severe than those of NFOR. However, there is no scientific evidence to either confirm or refute this suggestion. One approach to understanding the etiology of OTS involves the exclusion of organic diseases or infections and factors such as dietary caloric restriction (negative energy balance) and insufficient carbohydrate and/or protein intake, iron deficiency, magnesium deficiency, allergies, and others together with identification of initiating events or triggers. In this article, we provide the recent status of possible markers for the detection of OTS. Currently, several markers (hormones, performance tests, psychological tests, and biochemical and immune markers) are used, but none of them meet all the criteria to make their use generally accepted.