Despite its growing popularity, scant research exists concerning musculoskeletal pain and injury in Irish dancing (ID). This study aimed to record the biopsychosocial characteristics of elite adult Irish dancers and to investigate potential relationships between these characteristics and musculoskeletal pain and injury. One hundred and four professional Irish dancers, elite competitive Irish dancers, and dancers in full time education studying ID completed a questionnaire providing data on dance and activity levels, physical and psychological health, and pain and injury history. Of these subjects, 84 underwent 1. a physical screening of lower limb flexibility, which involved balance and endurance; 2. a number of functional tests; and 3. anthropometric, biomechanical, and anatomical assessments. Subjects were divided into "significantly injured (SI)" and "not significantly injured (NSI)" categories based on the severity and impact of self-reported pain and injury. Thirty-three (31.7%) subjects were classified as SI and 71 (68.3%) as NSI. The factors significantly associated with being SI were female sex (p = 0.036), higher number of subjective general health (p = 0.001) and psychological (p = 0.036) complaints, low mood (p = 0.01), heightened catastrophizing (p = 0.047), and failure always to complete a warm-up (p = 0.006). A self-reported injury rate of 76.9% over the previous 5 years was reported. The mean number of injuries sustained to all body parts over the previous 5 years was 1.49, with a mean of 126.1 days lost annually to injury. Foot and ankle injuries were most prevalent. It was concluded that there is a significant level of musculoskeletal pain and injury in elite adult ID. A complex combination of biopsychosocial factors appears to be associated with pain and injury.

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Only small, clinically irrelevant differences in pain or disability outcomes were found between group and individual physiotherapy incorporating exercise. Since all but one study included other interventions together with exercise in either the group or individual arm, deciphering the unique effect of the way in which exercise is delivered is difficult. Group interventions may need to be considered more often, given their similar effectiveness and potentially lower healthcare costs.

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Several biopsychosocial factors appear to be associated with FAPI in Irish dancers. Biopsychosocial screening protocols and prevention strategies may best identify and support at-risk dancers.

Context: Functional subdivisions are proposed to exist in the gluteus medius (GM) muscle. Dysfunction of the GM, in particular its functional subdivisions, is commonly implicated in lower limb pathologies. However, there is a lack of empirical evidence examining the role of the subdivisions of the GM. Objectives: To compare the activation of the functional subdivisions of the GM (anterior, middle, and posterior) during isometric hip contractions. Design: Single-session, repeated-measures observational study. Setting: University research laboratory. Participants: Convenience sample of 15 healthy, pain-free subjects. Intervention: Subjects performed 3 maximal voluntary isometric contractions for hip abduction and internal and external rotation on an isokinetic dynamometer with simultaneous recording of surface electromyography (sEMG) activity of the GM subdivisions. Main Outcome Measures: sEMG muscle activity for each functional subdivision of the GM during each hip movement was analyzed using a 1-way repeated-measures ANOVA (post hoc Bonferroni). Results: The response of GM subdivisions during the 3 different isometric contractions was significantly different (interaction effect; P = .003). The anterior GM displayed significantly higher activation across all 3 isometric contractions than the middle and posterior subdivisions (main effect; both P < .001). The middle GM also demonstrated significantly higher activation than the posterior GM across all 3 isometric contractions (main effect; P = .027). There was also significantly higher activation of all 3 subdivisions during both abduction and internal rotation than during external rotation (main effect; both P < .001). Conclusions: The existence of functional subdivisions in the GM appears to be supported by the findings. Muscle activation was not homogeneous throughout the entire muscle. The highest GM activation was found in the anterior GM subdivision and during abduction and internal rotation. Future studies should examine the role of GM functional subdivisions in subjects with lower limb pathologies.

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Among those interviewed, the exercise class was described as providing an environment conducive to the development of relationships, friendships, humor and fun, gaining mastery of their exercises, and encouraging the transition toward self-management of their pain. For those who had previous experience of one-to-one physiotherapy, the exercise class was evaluated as the preferred mode of physiotherapy delivery. The findings of this study support a move away from traditional one-on-one physiotherapy sessions to the potentially more cost-effective group setting.