Journal of clinical exercise physiology最新文献

{"title":"RESISTANCE TRAINING PRESCRIPTION FOR ATHLETES DURING PERIODS OF PLANNED DE-LOADING: A SURVEY OF STRENGTH AND CONDITIONING COACHES","authors":"Ms Kristen De Marco, Dr Paul Goods, Dr Kate Baldwin, Dr Daniel Hiscock, A. P. B. Scott","doi":"10.31189/2165-7629-13-s2.355","DOIUrl":"https://doi.org/10.31189/2165-7629-13-s2.355","url":null,"abstract":"\u0000 \u0000 Implementing resistance training (RT) for athletes may be difficult during some training-phases due to competing demands. However, it is currently unknown how strength and conditioning coaches prescribe RT during periods of planned de-loading. Therefore, we aimed to investigate the RT prescription practices of coaches during four common de-loading periods (taper, competitive season, tournament, travel).\u0000 \u0000 \u0000 \u0000 An anonymous online survey was shared globally to coaches, with data analysed from 204 responders (current level of athlete coached: world class n=68, elite/international n=62, highly-trained n=64, trained n=10). Coaches only provided answers about prescription for de-loading periods which they reported encountering. Where a coach indicated not prescribing RT for specific de-loading periods, they provided information on any barriers preventing RT prescription.\u0000 \u0000 \u0000 \u0000 Weekly RT prescription across all de-load periods was typically reported as: 1-2 sessions, 30-60 min, 1-3 sets, 1-6 repetitions. Most coaches reported decreasing volume during all periods (taper: 89.1%, competitive season: 70.4%, tournament: 84.1%, travel: 74.6%), with the most common reduction in RT volume reported as 0-25%. Most coaches also decreased intensity during a taper (52.9%), tournament (54.8%) and travel (53.6%), with a 0-25% reduction most common. ‘Lack of equipment and facilities’ and ‘scheduling/time’ were common barriers cited to RT prescription during the competitive season (100% for scheduling/time), tournament (55.6% and 50.0%), and travel (57.3% and 60.0%). During a taper, ‘recovery’ was the most reported reason (41.7%).\u0000 \u0000 \u0000 \u0000 During planned de-loading periods, both training volume and intensity are generally decreased by coaches compared to periods of normal training. The similarity of barriers to RT prescription during de-load periods suggests the experiences of coaches are not influenced by the phase. To address barriers experienced by some coaches, researchers should examine the use of alternative RT strategies for periods of planned de-loading to maintain training stimulus.\u0000","PeriodicalId":92070,"journal":{"name":"Journal of clinical exercise physiology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141054445","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":"ADHERENCE TO PRESCRIBED EXERCISE AND CLINICAL OUTCOMES IN PEOPLE WITH CHRONIC NONSPECIFIC LOW BACK PAIN: A SYSTEMATIC REVIEW AND META-ANALYSIS","authors":"Andrew Bastianon, Dr Lianne Wood, Mr Yannick Gilanyi, Mr Harrison Hansford, Dr Mitchell T. Gibbs, Prof Sarah Dean, Prof Nadine Foster, Dr Jill Hayden, Matthew D Jones","doi":"10.31189/2165-7629-13-s2.360","DOIUrl":"https://doi.org/10.31189/2165-7629-13-s2.360","url":null,"abstract":"\u0000 \u0000 Exercise is widely accepted as a first-line treatment for chronic non-specific low back pain (CNSLBP). However, the benefits of exercise diminish over time, as does adherence to exercise. It is unclear whether greater exercise adherence is associated with improvements in pain intensity (PI) and functional limitation (FL). We explored the relationship between exercise adherence and patient-reported outcomes in people with CNSLBP.\u0000 \u0000 \u0000 \u0000 We conducted a secondary analysis of the Cochrane systematic review, ‘Exercise therapy for chronic low back pain’, using a subset of 24 trials that measured exercise adherence compared to usual care. Random-effects meta-analysis was performed in R for PI and FL at the closest time point post-intervention. We used predefined subgroups of exercise adherence of ‘Good’ (90-100%), ‘Moderate’ (70-89%), or ‘Poor’ (14-69%) adherence. We used the risk of bias judgements provided by Cochrane.\u0000 \u0000 \u0000 \u0000 All trials included were deemed low risk of bias. Compared to usual care, ‘Good’ adherence was associated with reduced PI by 17.83 points on a 100-point scale (95% CI -26.23 to -9.43; I2 = 81.7%) and FL by 9.69 points on a 100-point scale (95% CI -12.64 to -6.74; I2 = 18.9%). ‘Moderate’ adherence was associated with reduced PI by 6.93 points (95% CI -10.43 to -3.44; I2 = 18.3%) and FL by 3.80 points (95% CI -6.10 to -1.49; I2 = 0%). ‘Low’ adherence was associated with reduced PI by 7.50 points (95% CI -19.83 to -4.84; I2 = 89.7%) and FL by 3.35 points (95% CI -10.45 to -3.74; I2 = 82.7%).\u0000 \u0000 \u0000 \u0000 Greater adherence to exercise is associated with greater improvements in PI and FL in adults with CNSLBP. Further research is needed to understand the causal effect of adherence on patient-reported outcomes. Better reporting of this potentially important exercise parameter in randomised trials is also needed.\u0000","PeriodicalId":92070,"journal":{"name":"Journal of clinical exercise physiology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141050676","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":"NEAR MAXIMAL VELOCITY SPRINTS ARE RARE, BUT HIGH-INTENSITY ACCELERATIONS OCCUR FREQUENTLY DURING INTERNATIONAL MALE FIELD HOCKEY","authors":"Dr Paul Goods, Dr Brendyn Appleby, A. P. B. Scott, Prof Peter Peeling, Dr Brook Galna","doi":"10.31189/2165-7629-13-s2.329","DOIUrl":"https://doi.org/10.31189/2165-7629-13-s2.329","url":null,"abstract":"\u0000 \u0000 In team sport, high-intensity running is generally used to describe velocities associated with maximal aerobic speed, with sprints defined by near maximal velocities, which are considered important to team sport performance. However, recent team sport investigations have revealed that near maximal velocities are seldom attained, but high-intensity accelerations occur frequently and may better represent the most demanding aspects of team sport match play. Field hockey research in this area is lacking, and therefore, we aimed to explore the frequency of high-intensity accelerations in elite field hockey, and how often these accelerations resulted in the attainment of sprint velocities.\u0000 \u0000 \u0000 \u0000 Movement data were collected during 2023 across 3 tournaments (17 matches) from 27 members of the Australian male field hockey team (totalling 266 player matches). Duration, high-intensity accelerations (>2.5m.s-2 for >1s), sprints (>7m.s-1), and repeated high-intensity efforts (≥3 accelerations or sprints with ≤45s recovery between efforts) were extracted. Mixed effects models were used to estimate the mean for each outcome (fixed effect), with random intercepts modelled for player and match.\u0000 \u0000 \u0000 \u0000 Players were active for 51min and completed 42 high-intensity accelerations per match, which lasted for 3.6s, covered 12.9m, and reached a peak velocity of 4.8m.s-1. Only 6.4% of high-intensity accelerations resulted in the attainment of sprint velocity (2.5 per match), and these efforts lasted for 6.1s, covered 35.6m, and reached a peak velocity of 7.5m.s-1. Players completed 4.5 bouts of repeated high-intensity accelerations per match, which comprised 3.7 efforts per bout, interspersed with 16.4s of recovery; however, no repeated-sprint bouts were observed.\u0000 \u0000 \u0000 \u0000 High-intensity accelerations occur frequently in field hockey; however, these rarely result in the attainment of sprint velocities. Practitioners should consider monitoring high-intensity accelerations to ensure players are being adequately prepared for competition demands.\u0000","PeriodicalId":92070,"journal":{"name":"Journal of clinical exercise physiology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141047835","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":"LONG-TERM SPORT OR EXERCISE COMMENCED BEFORE 16 YEARS OF AGE REDUCES ADVERSE BODY COMPOSITION OUTCOMES IN CEREBRAL PALSY","authors":"Dr Jennifer Fleeton, Dr Ché Fornusek, Dr Yorgi Mavros, Professor Ross Sanders","doi":"10.31189/2165-7629-13-s2.388","DOIUrl":"https://doi.org/10.31189/2165-7629-13-s2.388","url":null,"abstract":"\u0000 \u0000 Bone mineral density (BMD) and appendicular lean mass (ALM) deficits are common in people with cerebral palsy (CP), increasing sarcopenia and osteoporosis risk, while sport/exercise participation before age 16 improves adult peak bone mass accretion. This study investigated the effects of high-level sport/exercise participation commenced before 16 years of age on body composition in ambulatory adults with CP.\u0000 \u0000 \u0000 \u0000 Body composition was measured via dual-energy X-ray absorptiometry in a cross-sectional observational pilot study of 26 adults (m=19; f=7; GMFCS I-III) grouped via self-reported activity level into Low (<150 minutes moderate-vigorous activity weekly; n=10), Post-16 (active but commenced participation after 16; n=6), and Pre-16 (active and commenced participation before 16; n=10). Between-group Z-score differences were assessed via Kruskal-Wallis one-way ANOVA, with post-hoc comparisons via Mann-Whitney U-test.\u0000 \u0000 \u0000 \u0000 Whole body, spine and hip BMD Z-scores were significantly higher in Pre-16 (1.020 (0.639), 1.210 (1.102), and 0.450 (1.325), respectively) versus Low (-0.500 (0.715), -0.840 (0.957), and -1.020 (1.059), respectively) (p<0.001-0.008). Thirteen participants, including four competitive athletes, had low BMD, and 15, including eight athletes, had moderate-significant ALM deficits, versus age- and sex-specific reference populations.\u0000 \u0000 \u0000 \u0000 Ambulatory adults with CP who exceed physical activity guidelines and commenced participation before 16 years of age have higher BMD than those who are sedentary or commenced participation after 16 years. Sport and exercise across the lifespan are critical to ameliorate adverse body composition outcomes common in CP, however, some athletes remain at-risk and require targeted combined resistance training and dietary interventions in addition to sport training to address low ALM and BMD.\u0000","PeriodicalId":92070,"journal":{"name":"Journal of clinical exercise physiology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141142064","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":"CONCURRENT VALIDITY OF CLINICAL EQUATIONS TO PREDICT RESTING ENERGY EXPENDITURE COMPARED TO INDIRECT CALORIMETRY IN NON-SEVERE BURN PATIENTS","authors":"Mr Tyler Osborne, Associate Professor Dale Edgar, Associate Professor Timothy Fairchild, Dr Brook Galna, Winthrop Professor Fiona Wood, Ms Brodie Allan, Mr Thomas Le Huray, Associate Professor Bradley Wall","doi":"10.31189/2165-7629-13-s2.468","DOIUrl":"https://doi.org/10.31189/2165-7629-13-s2.468","url":null,"abstract":"Underfeeding and overfeeding can inhibit recovery and negatively impact quality of life during and after receiving treatment for a burn injury. Clinicians rely on accurate estimation of resting energy expenditure to avoid overfeeding or underfeeding their patients. The criterion standard for measuring resting energy expenditure is indirect calorimetry. Many burn services use predictive equations to prescribe feeding regimes because they are cheaper, time efficient and logistically more expedient than indirect calorimetry and do not require specialised equipment. However, the validity of these clinical equations has not been established in non-severe burns (<15% total burn surface area, TBSA). In this study, resting energy expenditure was predicted for 35 participants with non-severe burn injuries using seven clinical equations and compared with the criterion-standard (indirect calorimetry). We found that all clinical equations may be inaccurate in predicting resting energy expenditure measured using indirect calorimetry, with the Schofield equation agreeing most closely (95% limits of agreement: -836 to 711 kcal.day-1). Agreement between clinical equations and indirect calorimetry remained poor even after correcting for TBSA. Our findings indicate clinical equations may not accurately predict resting energy expenditure of people who have sustained a non-severe burn. As such, we urge caution against relying solely on the existing predictive equations to guide clinical decisions regarding energy intake after non-severe burns.","PeriodicalId":92070,"journal":{"name":"Journal of clinical exercise physiology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141049689","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":"EXERCISE PROGRAM WITHIN ADULT PSYCHIATRIC INPATIENT SERVICES FOR THOSE WITH DISORDERED EATING","authors":"Dr Kemi Wright, Dr Bonnie Furzer, Caleb McMahen, Jessica Luke, Brittany Herbert, Azam Edoo","doi":"10.31189/2165-7629-13-s2.381","DOIUrl":"https://doi.org/10.31189/2165-7629-13-s2.381","url":null,"abstract":"\u0000 \u0000 Over one million Australians live with an eating disorder, with 40 – 80% reported to undertake dysfunctional exercise practices (e.g., compulsive exercise, exercise dependence). Dysfunctional exercise can be the first symptom to appear and the last symptom to resolved in eating disorder patients, with 41% of eating disorders patients relapsing into dysfunctional exercise patterns 4 to 9 months post inpatient treatment. We evaluated an accredited exercise physiology led program implemented for adult mental health inpatients with disordered eating and exercise behaviours to support patient outcomes and safe exercise participation.\u0000 \u0000 \u0000 \u0000 Data was collected as part of service evaluation and included patient characteristics, session data (e.g., mood and enjoyment via Exercise Enjoyment Scale) and patient outcomes (e.g., Compulsive Exercise Test (CET); Exercise Dependence Scale (EDS-21)). Characteristics of the cohort was reported and compared to clinical cut-offs, along with program feasibility measures.\u0000 \u0000 \u0000 \u0000 Between Sep 2022 and Nov 2023, 20 female patients engaged in the program (mean age= 26 years). Of those 15 were diagnosed with Anorexia Nervosa, 16 with a co-occurring Personality Disorder and 9 with a Trauma Related Disorder. EDS-21 results showed 56% were symptomatic, and 33% exercise dependent, with 80% also presenting with suicidal ideation/self-harm. Across 137 service interactions, patients engaged 65% of the time, and 25% of the time deemed inappropriate. Pre-session mood was low (mean= -2.13 ± 1.46) with an average post-session mood improvement of + 4.46 Session enjoyment was high (mean=3.6±1.20) and no adverse events were recorded.\u0000 \u0000 \u0000 \u0000 Exercise supported by AEPs is safe for inpatients with disorder eating, with patients valuing engagement in services focused on supporting positive exercise relationships and behaviours. A tailored and evidence-based approach to exercise can improve acute mood of consumers.\u0000","PeriodicalId":92070,"journal":{"name":"Journal of clinical exercise physiology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141053653","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":"WALKING WITH BLOOD FLOW RESTRICTION: A NOVEL METHOD TO IMPROVE PHYSICAL FITNESS IN OLDER ADULTS?","authors":"Mr Michael Beere, Dr Isaac Selva Raj, P. J. Peiffer, Professor Keith Hill, Dr Peter Edwards, Dr Belinda Brown, A. P. B. Scott","doi":"10.31189/2165-7629-13-s2.439","DOIUrl":"https://doi.org/10.31189/2165-7629-13-s2.439","url":null,"abstract":"\u0000 \u0000 Alternative physical activity modalities and methods are needed to combat low adherence among older populations. Therefore, we are investigating whether blood flow restricted (BFR) walking improves measures of lower limb strength, and functional performance, compared to traditional walking in older adults.\u0000 \u0000 \u0000 \u0000 Healthy adults ≥60 years were randomised into BFR (n=5) or non-BFR (n=4) walking groups. Both groups walked outdoors, 3 days/week for 12 weeks starting at 4km/h and increasing walking speed by 0.5km/h every 4 weeks. The BFR group walked for 25min with BFR applied (60% arterial occlusion pressure) to the lower limbs in 2x 10mins bouts (separated by 5mins walking without occlusion). The non-BFR group walked for 50mins without occlusion, matching current best practice for low-moderate intensity physical activity. Participants were assessed at baseline and post-intervention (12 weeks) for knee extension maximal voluntary torque (MVTpeak) and functional capacity (four square step test [4SST], 5x sit-to-stand [STS], timed up and go [TUG], gait speed, and 6-minute walk test [6mWT]).\u0000 \u0000 \u0000 \u0000 There were no differences at baseline between groups (p>0.05). Both groups improved across all measures from baseline to post-intervention, with significant effects for time observed for: 4SST (7.92±1.2s – 6.83±1.39s; p=0.035), TUG (6.16±0.81s – 5.58±0.9s; p=0.04), STS (11.30±1.70s – 10.14±1.7s; p=0.032), but not for gait speed (3.98±0.69s – 3.71±0.69s; p=0.456), 6mWT (564.72±72.13m – 601.27±64.2m; p=0.129) and MVTpeak (112.33±25.8Nm – 120.55±23.5Nm; p=0.995). No group x time effect was observed from baseline to 12 weeks (p>0.05).\u0000 \u0000 \u0000 \u0000 The current results demonstrate significant improvements in functional measures (4SST, TUG, STS) from baseline to post-intervention, with no differences observed between groups. This indicates that low-intensity BFR walking may provide comparable physical fitness improvements to non-BFR walking while completing only 50% of the volume.\u0000","PeriodicalId":92070,"journal":{"name":"Journal of clinical exercise physiology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141053248","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":"BLUNTED SKELETAL MUSCLE MICROVASCULAR BLOOD FLOW IS A POTENTIAL UNDERLYING MECHANISM FOR EXERCISE INTOLERANCE IN ADULTS WITH ATRIAL FIBRILLATION","authors":"Dr Kimberley Way, Dr Lewan Parker, Dr Hannah Thomas, Ms Sian O’Gorman, Dr Barbara Brayner, Dr. Jenna McVicar, Dr. Christian Verdicchio, Prof. Ralph Maddison, Geoff Wong, Jennifer L Reed, M. Keske","doi":"10.31189/2165-7629-13-s2.443","DOIUrl":"https://doi.org/10.31189/2165-7629-13-s2.443","url":null,"abstract":"\u0000 \u0000 Approximately 45% of adults living with atrial fibrillation (AF) experience exercise intolerance (EI). However, the mechanisms of EI in AF are not well understood. We aimed to determine whether impaired skeletal muscle microvascular blood flow (MBF), not macrovascular, responses to peak exercise is a plausible explanation for EI in adults with AF.\u0000 \u0000 \u0000 \u0000 Adults with AF and healthy controls completed a Modified Bruce treadmill protocol to obtain peak oxygen uptake (V̇O2peak). Skeletal muscle microvascular blood volume, velocity, and flow in the vastus lateralis muscle was assessed using contrast enhanced ultrasound. Superficial femoral artery diameter, blood velocity and flow were assessed using 2D and Doppler ultrasound. Vascular measurements were collected at rest, immediately post-exercise, and 30 minutes post-exercise.\u0000 \u0000 \u0000 \u0000 Nine adults with AF (age: 62±5 years, 66% females, BMI: 29.7±4.2 kg/m2, V̇O2peak: 24.3±6.1 mL/kg/min) and seven controls (age: 63±10 years, 57% females, BMI: 26.7±1.7 kg/m2, V̇O2peak: 31.0±7.5 mL/kg/min) participated. One participant was in AF during testing. A significant group x time interaction in skeletal muscle MBF (p=0.04) and near significant interaction in blood volume (capillary recruitment, p=0.08) was observed. Post-hoc analysis revealed adults with AF had a significantly blunted MBF at 30 minutes post-exercise (-1.3 fold versus control, p=0.01) and reduced microvascular blood volume (i.e. capillary recruitment) pre- and 30 minutes post-exercise (-6.6 fold [p=0.01] and -9.4 fold [p=0.01] versus controls). No differences were observed for changes in skeletal muscle microvascular blood velocity, or femoral artery diameter, blood velocity or flow.\u0000 \u0000 \u0000 \u0000 Despite similar femoral artery blood flow responses, adults with AF have lower skeletal muscle MBF responses to peak exercise which may be driven by a reduced capillary recruitment in the skeletal muscle. Our findings provide new insight into vascular complications which may partially explain EI in those with AF.\u0000","PeriodicalId":92070,"journal":{"name":"Journal of clinical exercise physiology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141036314","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 CASE STUDY OF THE PHYSIOLOGICAL AND PSYCHOLOGICAL RESPONSES TO COACHING PROFESSIONAL AUSTRALIAN FOOTBALL","authors":"Prof. Mark Watsford, Mr Adam Trama, Dr Yael Grasko, Ms Suzie Rhydderch, Dr Milo Arne-Wilkinson, Dr Simon Eggleton, Dr Tom Cross","doi":"10.31189/2165-7629-13-s2.422","DOIUrl":"https://doi.org/10.31189/2165-7629-13-s2.422","url":null,"abstract":"\u0000 \u0000 Coaching professional sport is stressful, yet there is little information detailing the physiological and psychological responses of coaches during match-play. The burden of measurement instruments during competition may preclude their use with coaches during this high-pressure part of the coaching cycle. This exploratory case study examined physiological and psychological alterations when coaching professional Australian football to determine the potential health implications and enhance health literacy in coaches.\u0000 \u0000 \u0000 \u0000 One head coach of a professional football team was monitored for heart rate (HR), stress-related hormones (C-Reactive Protein, Cortisol, Troponin, Brain Natriuretic Peptide) and psychological stress prior to, during and following seven matches and descriptive data was examined.\u0000 \u0000 \u0000 \u0000 The HR response indicated sustained elevation during match-play, with the intermittent nature of the game causing an undulating profile. Periods of locomotion during breaks in play led to elevations in HR, with maximum HR recorded as 8% above age-predicted maximum. Further, differences in HR were evident in the final five minutes between small (145 ± 7.0 bpm) and large (113 ± 5.1 bpm) score margins. There were no irregularities for stress hormones, while the psychological questionnaire revealed differences in perceptions of accomplishment, success, recovery and stress related to match outcome.\u0000 \u0000 \u0000 \u0000 This exploratory case study indicated that substantial elevations in HR are evident while coaching professional football, yielding implications for health management. Coaches require appropriate levels of cardiovascular health to cope with the demands of coaching and targeted health intervention programs may be warranted. Further, differences in psychological outcomes from winning or losing may reflect the need to develop recovery and coping strategies that are contextualised to match results. Since match-play observation elicits alterations to physical and psychological markers, confirmatory research with larger cohorts is warranted to examine and enhance well-being and health management strategies in these elite performers.\u0000","PeriodicalId":92070,"journal":{"name":"Journal of clinical exercise physiology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141046424","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":"BENEFICIAL EFFECTS OF A COMBINED AEROBIC AND STRENGTH TRAINING PROGRAM IN PATIENTS WITH MOTOR NEURON DISEASE","authors":"Dr Alessandra Ferri, Francesca Lanfranconi","doi":"10.31189/2165-7629-13-s2.512","DOIUrl":"https://doi.org/10.31189/2165-7629-13-s2.512","url":null,"abstract":"\u0000 \u0000 Motor Neuron Disease (MND) is a neurodegenerative disease characterised by the progressive degeneration and death of motor neurons, which leads to a reduction in muscle strength and physical function. Although “Exercise as Medicine” is accepted for many diseases, the role of exercise in individuals with MND is still debated. The aim of this study was to evaluate the effect of a combined, moderate-intensity, aerobic and strength training program on aerobic capacities, strength and physical function in individuals with MND.\u0000 \u0000 \u0000 \u0000 Fifteen individuals with MND were randomly assigned to either a training (3 times/week for 12 weeks; TRAIN, n=8) or a control (continued their usual standard of care; CTRL, n=7) group. The peak aerobic capacity (VO2peak) and the maximal capacity of oxygen extraction (via Near-Infrared Spectroscopy) were evaluated during an incremental test to exhaustion on a cycle ergometer. The strength of both the lower- and upper-limb muscles was evaluated with a 1-Repetition Maximum (1RM) test on the leg press, leg extension, biceps curl, and vertical chest press. Participants also performed the “Timed Up and Go” test (TUG) and the 6-min walking test (6MWT).\u0000 \u0000 \u0000 \u0000 The adherence to training was 86 ± 6%, and the satisfaction with the exercise program was 9.6 out of 10. VO2peak did not change significantly in both groups, but the maximal capacity of O2 extraction improved significantly in TRAIN (from 44 ± 3 to 67 ± 4%). In TRAIN, the 1RM for the leg press and leg extension increased significantly by 47 ± 8% and 50 ± 13%, respectively, while this parameter did not change in CTRL. While the 6MWT increased by 5% in TRAIN and decreased by 3% in CTRL, the change was not significant.\u0000 \u0000 \u0000 \u0000 These preliminary results support the beneficial role of a combined aerobic and strength training program in individuals with MND.\u0000","PeriodicalId":92070,"journal":{"name":"Journal of clinical exercise physiology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141040382","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}