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For <10 handicap male golfers and <12 handicap female golfers, the prevalence of the yips is between 32.5% and 47.7%, a high proportion of serious golfers. This high prevalence suggests that medical practitioners need to understand the aetiology of the yips phenomenon so that interventions can be identified and tested for effectiveness in alleviating symptoms. Although previous investigators concluded that the yips is a neuromuscular impediment aggravated but not caused by anxiety, we believe the yips represents a continuum on which 'choking' (anxiety-related) and dystonia symptoms anchor the extremes. The aetiology may well be an interaction of psychoneuromuscular influences. Future research to test the effect of medications such as beta-blockers should assist in better identifying the contributions these factors make to the yips phenomenon.
Clinical assessment of brain function relies heavily on indirect behavior-based tests. Unfortunately, behavior-based assessments are subjective and therefore susceptible to several confounding factors. Event-related brain potentials (ERPs), derived from electroencephalography (EEG), are often used to provide objective, physiological measures of brain function. Historically, ERPs have been characterized extensively within research settings, with limited but growing clinical applications. Over the past 20 years, we have developed clinical ERP applications for the evaluation of functional status following serious injury and/or disease. This work has identified an important gap: the need for a clinically accessible framework to evaluate ERP measures. Crucially, this enables baseline measures before brain dysfunction occurs, and might enable the routine collection of brain function metrics in the future much like blood pressure measures today. Here, we propose such a framework for extracting specific ERPs as potential “brain vital signs.” This framework enabled the translation/transformation of complex ERP data into accessible metrics of brain function for wider clinical utilization. To formalize the framework, three essential ERPs were selected as initial indicators: (1) the auditory N100 (Auditory sensation); (2) the auditory oddball P300 (Basic attention); and (3) the auditory speech processing N400 (Cognitive processing). First step validation was conducted on healthy younger and older adults (age range: 22–82 years). Results confirmed specific ERPs at the individual level (86.81–98.96%), verified predictable age-related differences (P300 latency delays in older adults, p < 0.05), and demonstrated successful linear transformation into the proposed brain vital sign (BVS) framework (basic attention latency sub-component of BVS framework reflects delays in older adults, p < 0.05). The findings represent an initial critical step in developing, extracting, and characterizing ERPs as vital signs, critical for subsequent evaluation of dysfunction in conditions like concussion and/or dementia.
A cohort of 282 elite amateur ice hockey players were analyzed to 1) record the number, type, location, and severity of head, neck, and facial injuries sustained during games; 2) examine the relationship between injuries and the type of facial protection (none, partial, or full) according to individual playing time; and 3) determine whether full or partial facial protection is associated with an increased incidence of concussions, eye injuries, and neck injuries. Fifty-two injuries (158.9 per 1000 player-game hours) occurred in players wearing no facial protection, 45 (73.5 per 1000 player-game hours) in players wearing partial facial protection (half shield), and 16 (23.2 per 1000 player-game hours) in players wearing full facial protection (full cage or shield). Players wearing no protection were injured at a rate more than twice that of players wearing partial protection and almost seven times higher than those wearing full protection. Concussions occurred in four players wearing no protection, five players wearing partial protection, and two players wearing full protection; these differences were not significant. The risk of eye injury was 4.7 times greater for players wearing no protection compared with those wearing partial protection. No eye or neck injuries occurred in players wearing full protection. This study demonstrates that both full and partial facial protection significantly reduce injuries to the eye and face without increasing neck injuries and concussions.
There is growing demand for tools to objectively evaluate concussion. Fickling et al. develop a portable, easy-to-use, evoked potential framework to extract ‘brain vital signs’ at point-of-care using electroencephalography. Monitoring of brain vital signs reveals persistent neurophysiological changes in athletes cleared for return-to-play with current concussion management protocols.
Epidemiological reports of sports injury confirm a high incidence of injuries occurring at all levels of sport participation, ranging in severity from cuts and bruises to spinal cord injury. The psychosocial dynamics accompanying sport injury should be known to ensure psychological recovery, an important aspect in rehabilitating the injured athlete. Earlier studies demonstrating psychological differences between athletes and nonathletes indicated the need for actual research on the athlete's postinjury response in lieu of accepting the hypothesis that the emotional responses of athletes to injury parallels existing (i.e. terminally ill) 'loss of health models'. Recent research has shown that injured athletes experience simultaneous mood disturbance and lowered self-esteem. Due to a paucity of research on the coping methods of injured athletes, studies involving the coping methods of several nonathletic patient populations were reviewed. These patients benefitted primarily from a concrete, problem-focused, behaviourally orientated programme which minimises uncertainty. This approach is theoretically ideal for injured athletes, congruent with the goal setting and performance outcome emphasis common to exercise and sport training programmes but to date the effectiveness of these strategies for injured athletes have not been fully examined. Therefore, until such research is available, these coping strategies (also used for performance enhancement) are provided as therapeutic guidelines for dealing with the emotional distress experienced by injured athletes. Individual responses of injured athletes varied from those who took injury in stride to those who required psychiatric intervention. This marked individual variation in response underscores the importance of neither assuming mood disturbance nor overlooking a serious emotional response in the injured athlete. Awareness of the emotional responses of athletes to injury and employment of appropriate coping strategies should facilitate optimal rehabilitation and return to sport.
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