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Effect of Plyometrics on Bone Mineral Density in Young Adults: A Systematic Review and Meta-Analysis 负重训练对年轻人骨矿物质密度的影响:系统回顾与元分析
Translational Journal of the ACSM Pub Date : 2024-01-11 DOI: 10.1249/TJX.0000000000000242
Nathan Rodricks, Stephanie Deccy, Marc Edwin Saint Louis, Daniel Quintero, Jose Ramirez, Kristopher Paultre
{"title":"Effect of Plyometrics on Bone Mineral Density in Young Adults: A Systematic Review and Meta-Analysis","authors":"Nathan Rodricks, Stephanie Deccy, Marc Edwin Saint Louis, Daniel Quintero, Jose Ramirez, Kristopher Paultre","doi":"10.1249/TJX.0000000000000242","DOIUrl":"https://doi.org/10.1249/TJX.0000000000000242","url":null,"abstract":"ABSTRACT Context Osteoporosis is a chronic bone metabolic disease characterized by decreased bone mass, leading to increased frailty and a subsequent fracture risk. Peak bone mineral density (BMD) is achieved in early adulthood and may be the most important factor leading to the development of osteoporosis in older adults. Objective This study aimed to analyze the effects of plyometrics on BMD in young men and premenopausal women. Design This study used randomized controlled trials found in MEDLINE, Embase, and CINAHL published between January 1, 1990, and November 1, 2022. Keywords included plyometrics, jumping, jump training, bone health, and bone mineral density. Articles were assessed for methodological quality using the Consolidated Standards of Reporting Trials 2010 checklist. Eligibility Criteria Randomized controlled trials investigating BMD in healthy premenopausal women and men between the ages of 18 and 60 yr that compared plyometrics with control were included. Study Selection Two reviewers independently screened 553 abstracts. Main Outcome Measures Mean baseline and follow-up dual-energy x-ray absorptiometry scores and standard deviations were extracted to calculate the standard mean difference. After extraction, the magnitude of difference between control and treatment groups were analyzed using the Hedges and Olkin method for effect size. Results The 12 included studies had high methodological quality. Of the 12 studies, 10 reported statistically significant increase in BMD at ≥1 site when compared with control. Two studies showed equal improvement when compared with resistance-only training. After analysis, a large positive effect size with strongly positive correlation was seen between plyometrics and lumbar spine BMD. Conclusion Plyometric training is a safe and time-efficient method to improve BMD in premenopausal people 18–65 yr old. Large effect sizes were associated with increased training intensity and lasted months after the intervention was complete. Plyometrics seems to be a comparable alternative to resistance training with respect to bone health.","PeriodicalId":315896,"journal":{"name":"Translational Journal of the ACSM","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139438400","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}
引用次数: 0
Mechanisms of Behavior Change for a Digital Resistance Training Intervention: A Mediation Study 数字阻力训练干预的行为改变机制:调解研究
Translational Journal of the ACSM Pub Date : 2024-01-03 DOI: 10.1249/TJX.0000000000000243
Justin M. Kompf, Jessica A Whiteley, Julie Wright, Sarah Camhi
{"title":"Mechanisms of Behavior Change for a Digital Resistance Training Intervention: A Mediation Study","authors":"Justin M. Kompf, Jessica A Whiteley, Julie Wright, Sarah Camhi","doi":"10.1249/TJX.0000000000000243","DOIUrl":"https://doi.org/10.1249/TJX.0000000000000243","url":null,"abstract":"ABSTRACT Introduction/Purpose Few interventions that seek to enhance resistance training behavior examine the mechanisms through which they exert their effects. Rather, many trials focus on physiological outcomes under tightly controlled training regimens. Understanding how to promote resistance training in everyday life is vital. This study aimed to examine the mediators of a remote-based 9-wk randomized controlled trial with a 4-wk self-regulation intervention period. Methods Sixty-one participants 18–35 yr of age who were not currently achieving the American College of Sports Medicine resistance training guidelines received two Zoom-based personal training sessions, resistance training equipment, and access to a Web site with training videos. After the two personal training sessions, participants were randomized to an intervention or comparison condition. Participants in the intervention condition received four weekly Zoom-based coaching calls to discuss barriers and solutions to resistance training participation. Resistance training behavior participation, self-efficacy, intention, behavioral expectations, and coping planning were assessed after the intervention period and at a follow-up 4 wk later. A mediation analysis was conducted to examine if the intervention had indirect effects on behavior through changes in any of the measured psychological variables. Results All necessary measures were completed by 96.7% of participants. After the intervention, direct effects were observed on self-efficacy (b = 0.68, standard error (SE) = 0.26, P = 0.01), intention (b = 0.77, SE = 0.27, P = 0.004), coping planning (b = 0.43, SE = 0.13, P = 0.001), and behavioral expectations (b = 19.7, SE = 5.3, P = 0.0001). Self-efficacy (b = 2.07, SE = 0.83, P = 0.01) and intention (b = 3.0, SE = 0.61, P = 0.0001) had direct effects on behavior. In the multiple mediation model, intention emerged as a significant mediator (b = 2.64, SE = 0.83, P = 0.001). Conclusion These findings suggest that changes in intention contributed to changes in behavior. Techniques that target behavioral intention may be appropriate for in-home strength-training interventions in young adults.","PeriodicalId":315896,"journal":{"name":"Translational Journal of the ACSM","volume":"52 5","pages":"1 - 6"},"PeriodicalIF":0.0,"publicationDate":"2024-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139389110","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}
引用次数: 0
A Review of Educational Interventions on Physicians’ Exercise Counseling and Prescription Practices 医生运动咨询和处方实践教育干预综述
Translational Journal of the ACSM Pub Date : 2023-12-20 DOI: 10.1249/TJX.0000000000000241
Molly K. Courish, Madeline E. Shivgulam, Jennifer L. Petterson, Liam P. Pellerine, M. Kivell, M. O'Brien
{"title":"A Review of Educational Interventions on Physicians’ Exercise Counseling and Prescription Practices","authors":"Molly K. Courish, Madeline E. Shivgulam, Jennifer L. Petterson, Liam P. Pellerine, M. Kivell, M. O'Brien","doi":"10.1249/TJX.0000000000000241","DOIUrl":"https://doi.org/10.1249/TJX.0000000000000241","url":null,"abstract":"ABSTRACT Context Physicians report various barriers to providing patients with physical activity (PA) counseling and prescriptions. Implementing educational interventions among physicians could be an effective method for the promotion of PA counseling in primary care. Objective The purpose of this study was to review the impact and efficacy of different educational intervention modalities on physicians’ PA promotion outcomes. Design Twenty-one articles were included in this systematic review and were of moderate quality (6.8 ± 3.3 of 14 controlled trials and 6.3 ± 2.3 of 12 uncontrolled trials), assessed via the National Institutes of Health quality assessment tools. Studies ranged in sample size from 9 to 12,945 participants (n = 16,283). Eligibility Criteria For inclusion, studies had to have had interventional experimental design and performed an educational intervention aiming to improve PA counseling or exercise prescription practice, and most of the sample comprised physicians. Study Selection Sources were searched in May 2022 (n = 3422 citations without duplicates) via Scopus, EMBASE, MEDLINE, CINAHL, and Academic Search Premier (Prospero ID: CRD42022331755). Main Outcome Measures Physician PA practice outcomes across studies were categorized in terms of frequency of counseling and prescription, knowledge, and confidence. Results Most studies measuring PA counseling (8 of 13 studies) and prescription practices (8 of 10 studies) exhibited an increased frequency of PA prescription before and after the intervention. Physician confidence surrounding PA increased in most studies (10 of 12 studies), as well as knowledge of PA (6 of 7 studies). Conclusions Studies that were most effective in increasing physician PA promotion outcomes incorporated a practical component (i.e., hands-on) in addition to a theoretical session (i.e., lecture-based) to meet specific goals (e.g., accredited PA guidelines, prescription strategies). This review outlines the strengths and weaknesses of present educational intervention modalities and provides insight into future directions for education models to promote PA counseling and exercise prescription practices among physicians.","PeriodicalId":315896,"journal":{"name":"Translational Journal of the ACSM","volume":"242 4","pages":"1 - 7"},"PeriodicalIF":0.0,"publicationDate":"2023-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139169119","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}
引用次数: 0
The Effect of Lightweight Shoes on Air Force Basic Training Injuries: A Randomized Controlled Trial 轻型运动鞋对空军基础训练损伤的影响:一项随机对照试验
Translational Journal of the ACSM Pub Date : 2023-08-04 DOI: 10.1249/TJX.0000000000000234
Korey B Kasper, Nathaniel S. Nye, Theresa M. Casey, Meredith Cockerell, S. Trigg
{"title":"The Effect of Lightweight Shoes on Air Force Basic Training Injuries: A Randomized Controlled Trial","authors":"Korey B Kasper, Nathaniel S. Nye, Theresa M. Casey, Meredith Cockerell, S. Trigg","doi":"10.1249/TJX.0000000000000234","DOIUrl":"https://doi.org/10.1249/TJX.0000000000000234","url":null,"abstract":"ABSTRACT Introduction/Purpose Bone stress injuries (BSI) are a leading medical diagnosis and cause of training disruptions and increased costs in US Air Force basic military training (BMT). Currently, as required by law, all trainees are issued athletic shoes upon arrival to BMT; however, the issued shoes are often disliked by trainees and are suspected of contributing to injury. This study investigated the effect of issuing shoes with lighter weight, lower heel-to-toe drop, and wider toe box than the standard-issue shoes to compare comfort, musculoskeletal injuries, and training outcomes. Methods In this blinded, randomized controlled product evaluation, trainees of a single BMT squadron were issued either the standard-issue shoes or a lighter-weight alternative; following completion of BMT, male and female cohorts were compared for differences in fitness assessment results, musculoskeletal injuries, and graduation delays using routinely collected databases. Associations between categorical variables were analyzed using a chi-square test with significance set to α ≤ 0.05. Results Among male trainees, issuing the lighter-weight shoe resulted in an absolute risk reduction of 6.05% (from 13.87% to 7.82%) and a relative risk reduction of 43.62% for BSI. Also, trainees who received the heavier standard-issue shoes noted the shoes to be “too uncomfortable to wear” at a significantly higher rate. Conclusion Issuing shoes with lighter weight, smaller heel-to-toe drop, and wider toe box appears to reduce the risk of BSI and shoe dissatisfaction among male BMT trainees; such shoe characteristics should be considered for use in populations engaging in similar physical training.","PeriodicalId":315896,"journal":{"name":"Translational Journal of the ACSM","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117125137","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}
引用次数: 0
Directions for Future Studies to Determine Dietary Nitrate Efficacy in Female Athletes 确定女性运动员膳食硝酸盐功效的未来研究方向
Translational Journal of the ACSM Pub Date : 2023-07-27 DOI: 10.1249/TJX.0000000000000235
Arthur Carvalho, Breno Duarte, K. J. Elliott-Sale, B. Saunders
{"title":"Directions for Future Studies to Determine Dietary Nitrate Efficacy in Female Athletes","authors":"Arthur Carvalho, Breno Duarte, K. J. Elliott-Sale, B. Saunders","doi":"10.1249/TJX.0000000000000235","DOIUrl":"https://doi.org/10.1249/TJX.0000000000000235","url":null,"abstract":"INTRODUCTION Since the landmark discovery that a brief 3-d supplementation period of sodium nitrate can reduce the oxygen cost of submaximal exercise (1), numerous studies have investigated the effects of nitrate supplementation, andmany systematic reviews and meta-analyses show that it can benefit exercise performance and capacity (2,3). However, despite overall evidence in favor of its use as an ergogenic aid (2,3), a substantial proportion of the existing literature shows no benefit of nitrate supplementation on exercise performance and capacity-related outcomes (2), which suggests the existence of a substantial variation in response to its use. Many factors that can influence the ergogenicity of nitrate have been proposed, but perhaps one of the most interesting, albeit seldom investigated, is biological sex (2). In agreement with this notion, the results of two recent meta-analytic studies suggest that, although nitrate exerts a positive effect in men, its supplementation does not seem to benefit female performance, even in the face of evidence suggesting that women have a greater reduction of nitrate to nitrite than men (2–4). Nonetheless, some caution is needed in concluding that women do not benefit from nitrate supplementation; the small number of studies conducted exclusively with female participants (n = 6) and their heterogeneity in important methodological aspects (such as practices that control oral microbiota diversity, ingestion strategies, and exercise conditions) may have contributed to the lack of effect for women in these meta-analyses (2,3). Therefore, it is possible that these results are just a reflection of the small and limited literature on the ergogenic effect of nitrate in women.","PeriodicalId":315896,"journal":{"name":"Translational Journal of the ACSM","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115566806","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}
引用次数: 0
Bone, Estrogen, Strength Training Study Translation to Osteoporosis Prevention Research and Education 骨、雌激素、力量训练研究转化为骨质疏松症预防研究与教育
Translational Journal of the ACSM Pub Date : 2023-07-10 DOI: 10.1249/TJX.0000000000000232
L. Milliken, L. Houtkooper, L. Metcalfe, Vanessa A. Farrell, S. Going, T. Lohman
{"title":"Bone, Estrogen, Strength Training Study Translation to Osteoporosis Prevention Research and Education","authors":"L. Milliken, L. Houtkooper, L. Metcalfe, Vanessa A. Farrell, S. Going, T. Lohman","doi":"10.1249/TJX.0000000000000232","DOIUrl":"https://doi.org/10.1249/TJX.0000000000000232","url":null,"abstract":"ABSTRACT Introduction/Purpose: Osteoporosis is a bone disease that a combination of exercise, hormone replacement therapy (HT), and calcium intake may help prevent by preserving or increasing bone mineral density (BMD) in postmenopausal women. The Bone, Estrogen, Strength Training (BEST) Study clinical trial was designed to determine the effects of exercise training on BMD in postmenopausal women either with or without HT. Methods: The BEST Study was unique because it included progressive resistance and weight-bearing exercises, addressed HT use, supplemented and documented calcium intake, provided robust intervention support, and extended the intervention protocol for multiple years. Results: The study findings demonstrated that postmenopausal women who had adequate calcium intake and followed the BEST exercise program maintained or increased their BMD. This article describes key lessons learned from the longitudinal BEST Study for translating the findings to the research community to improve future intervention research studies and to health professionals to inform osteoporosis prevention and bone health education. The BEST Study produced five lessons that can inform and improve osteoporosis prevention research and educational practice: 1) long-term bone health effects are important to study and require proactive strategies to obtain longitudinal funding support, 2) long-term retention of participants and compliance with study protocols require a participant focused study design and protocols, 3) extensive documentation of intervention protocols and sophisticated analytical strategies are essential to determine study intervention effects, 4) heterogeneity in responses to research study interventions should be expected and explored, and 5) osteoporosis prevention can be facilitated by translating the positive results from the BEST Study into practical educational tools. Conclusion: The BEST Study results can be translated into effective exercise and dietary practices to help prevent osteoporosis. Future research studies that use participant motivation and support protocols and meticulous documentation will further advance research in the prevention of osteoporosis.","PeriodicalId":315896,"journal":{"name":"Translational Journal of the ACSM","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124485317","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}
引用次数: 0
The Physiological and Subjective Effects of Exercising with a Face Mask at Different Intensities 不同强度口罩运动的生理和主观影响
Translational Journal of the ACSM Pub Date : 2023-07-10 DOI: 10.1249/TJX.0000000000000233
Nicholas S. Campbell, M. Labotz, P. Visich
{"title":"The Physiological and Subjective Effects of Exercising with a Face Mask at Different Intensities","authors":"Nicholas S. Campbell, M. Labotz, P. Visich","doi":"10.1249/TJX.0000000000000233","DOIUrl":"https://doi.org/10.1249/TJX.0000000000000233","url":null,"abstract":"ABSTRACT Introduction Face masks are used to reduce the spread of respiratory diseases. Physical exertion increases distance traveled by expelled particles, so masking while exercising is recommended to help prevent disease transmission. However, there is limited literature assessing masking during higher-intensity exercise. Purpose This study aimed to compare the impact of surgical masks on physiological and subjective measures during 45 min of a progressive exercise protocol as compared with unmasked exercise. Methods Each subject completed two random 45-min exercise trials (15 min each at 40%, 60%, and 80% of their oxygen uptake reserve) with and without a surgical mask in random order. Heart rate, oxygen saturation, respiratory rate (RR), ratings of perceived exertion, and dyspnea (Dys) were measured at each intensity. Repeated-measures ANOVA was utilized, and significance was set at P < 0.05. Results Thirty subjects (age, 20.4 ± 1.2 yr; peak oxygen uptake, 40.12 ± 11.05 mL·kg−1·min−1; 57% female) completed the study. When comparing masked and unmasked trials at each exercise intensity, differences were found only in RR (40%: 17.6 ± 4.9 vs 15.8 ± 4.9, P < 0.02, d = 0.4; 60%: 23.7 ± 5.5 vs 21.3 ± 6.2, P < 0.01, d = 0.4; 80%: 35.8 ± 9.0 vs 30.1 ± 8.8, P < 0.01, d = 0.6). When comparing masked with unmasked trials across all intensities, a difference was found in Dys (3.5 ± 2.4 vs 2.9 ± 2.2, respectively; P < 0.001, d = 0.3). Conclusions The use of surgical masks seems to impact RR and one’s perception of Dys, but has minimal influences on heart rate, oxygen saturation, and rating of perceived exertion. Other than increasing one’s RR and perceptions of Dys, it seems that exercising with a mask at moderate and vigorous intensities is acceptable in healthy individuals.","PeriodicalId":315896,"journal":{"name":"Translational Journal of the ACSM","volume":"149 8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125881632","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}
引用次数: 0
HbA1c Reduction in Diabetic Older Blacks and Hispanics: A Study on Mobile Physical Activity Tracking 糖尿病老年黑人和西班牙裔患者HbA1c降低:一项移动体育活动追踪研究
Translational Journal of the ACSM Pub Date : 2023-06-08 DOI: 10.1249/TJX.0000000000000231
Helen Z Wu, G. Ruaño, Biju Wang, J. Grady, Marsha M. Murray, Michelle Slivinsky, C. Laurencin
{"title":"HbA1c Reduction in Diabetic Older Blacks and Hispanics: A Study on Mobile Physical Activity Tracking","authors":"Helen Z Wu, G. Ruaño, Biju Wang, J. Grady, Marsha M. Murray, Michelle Slivinsky, C. Laurencin","doi":"10.1249/TJX.0000000000000231","DOIUrl":"https://doi.org/10.1249/TJX.0000000000000231","url":null,"abstract":"ABSTRACT Introduction/Purpose Diabetes is a leading cause of morbidity and mortality and is more prevalent in Blacks and Hispanics. This study aims to examine if different physical activity (PA) intensities reduced hemoglobin A1c (HbA1c) in Blacks and Hispanics with type 2 diabetes mellitus (DM2). Methods This pilot study used a one-sample pre- and postintervention design, including four in-person visits during a period of 3 months from January 2018 to December 2020 in Black or Hispanic populations with DM2 in the Greater Hartford, Connecticut, area. At each in-person visit HbA1c; specific, measurable, achievable, realistic, and time-bound goals; and daily PA (categorized into high-, moderate-, or low-intensity levels by a Fitbit® Charge 2) were obtained. Change scores for minutes engaged in each PA level and HbA1c values were created between visits. A linear mixed model was used to analyze these relationships over time. Results Among 17 completed participants, mean age was 56 yr, 11 were Black, 6 were Hispanic, 13 were female, and 4 were male. At baseline, mean body mass index was 34.8 kg·m−2 and mean systolic/diastolic blood pressure was 135/81 mm Hg. From 70.2 mmol·mol−1 at baseline, HbA1c decreased to 66.3 after 4 wk, 66.0 after 8 wk, and 63.5 by 12 wk (9.5% reduction, P < 0.05). Average daily PA time increased over 3 months from 15.8 to 20.3 (P = 0.04) to 20.8 (P = 0.02) minutes for moderate-intensity PA (P = 0.05), and from 12.1 to 13.6 (P = 0.08) to 15.2 (P = 0.01) minutes for high-intensity PA. PA increases were significantly associated with an overall 0.58% reduction of HbA1c (P = 0.04). Conclusion Guided by carefully selected, evidenced-based behavioral change strategies, this study found that increases of ~7 min of moderate- or high-intensity daily PA were associated with ~10% decrease in HbA1c in Blacks and Hispanics with DM2. This is consistent with the current consensus statement from the American College of Sports Medicine.","PeriodicalId":315896,"journal":{"name":"Translational Journal of the ACSM","volume":"124 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132881005","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}
引用次数: 0
Consistent Exercise Timing as a Strategy to Increase Physical Activity: A Feasibility Study 一致的运动时间作为增加身体活动的策略:可行性研究
Translational Journal of the ACSM Pub Date : 2023-04-05 DOI: 10.1249/TJX.0000000000000227
Leah M. Schumacher, Siddhartha Kalala, J. G. Thomas, H. Raynor, R. Rhodes, D. Bond
{"title":"Consistent Exercise Timing as a Strategy to Increase Physical Activity: A Feasibility Study","authors":"Leah M. Schumacher, Siddhartha Kalala, J. G. Thomas, H. Raynor, R. Rhodes, D. Bond","doi":"10.1249/TJX.0000000000000227","DOIUrl":"https://doi.org/10.1249/TJX.0000000000000227","url":null,"abstract":"ABSTRACT Introduction/Purpose Observational research suggests that consistent exercise timing could be leveraged to promote moderate to vigorous physical activity (MVPA) among adults with obesity. However, the feasibility and acceptability of prescribed consistent exercise timing in a free-living setting is unknown. The purpose of this study was to assess the feasibility and acceptability of prescribed consistent exercise timing in a free-living setting among inactive adults with obesity (primary) and to compare MVPA timing prescription and characterize barriers/facilitators (secondary). Methods Using a within-subjects design, inactive adults with obesity (n = 15) were randomized in a counterbalanced order to three 3-wk exercise timing conditions separated by 2-wk washout periods: 1) consistent morning, 2) consistent evening, and 3) choice timing (control). Feasibility was assessed using prespecified benchmarks. Acceptability and preferred timing were assessed with questionnaires postintervention. Secondarily, exercise timing and MVPA were assessed via accelerometry, and nightly surveys and barriers/facilitators were assessed with nightly surveys. Results All feasibility benchmarks were achieved (e.g., timing adherence = 69.9% via accelerometry and 87.4% via self-report; target, ≥60%). Consistent exercise timing was acceptable (mean rating = 3.7 of 5; target, ≥3.5). Choice was the most popular prescription. There were medium- to large-sized effects (partial η2 of 0.09–0.16) of condition on MVPA; MVPA was higher during the morning and the evening conditions versus choice condition. Facilitators were similar across conditions, whereas some barriers were time specific. Conclusion Prescribed exercise timing in a free-living setting appears feasible and acceptable. Although choice timing was most preferred, consistent timing appeared most effective for increasing MVPA. Data warrant larger trials to test the efficacy and mechanisms of consistent exercise timing as a translational strategy for promoting MVPA. Pending findings from a fully powered randomized trial, practitioners interested in promoting MVPA among their patients or clients could consider encouraging exercise at a consistent time day to day.","PeriodicalId":315896,"journal":{"name":"Translational Journal of the ACSM","volume":"138 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117136958","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}
引用次数: 0
Development and Pilot Testing of a Telehealth Weight Loss Program 远程保健减肥方案的开发和试点测试
Translational Journal of the ACSM Pub Date : 2023-03-15 DOI: 10.1249/TJX.0000000000000226
Sarah Hales, Caitlin E. Smith, Tonya F. Turner, D. Sword, Ragan DuBose-Morris, David Blackburn, R. Malcolm, P. O'Neil
{"title":"Development and Pilot Testing of a Telehealth Weight Loss Program","authors":"Sarah Hales, Caitlin E. Smith, Tonya F. Turner, D. Sword, Ragan DuBose-Morris, David Blackburn, R. Malcolm, P. O'Neil","doi":"10.1249/TJX.0000000000000226","DOIUrl":"https://doi.org/10.1249/TJX.0000000000000226","url":null,"abstract":"ABSTRACT Introduction/Purpose Behaviorally based in-person multidisciplinary programs for weight loss have been studied for decades; however, delivery, scalability, and accessibility remain a challenge. We report pilot findings from a new asynchronous protocol-based telehealth weight loss program. Methods This 12-wk single-arm pilot study included adults (18–65 yr old) with body mass index (BMI) of 25–40 kg·m−2. The Home Weight Loss (HWL) program consisted of weekly app- and e-mail-delivered lesson modules covering traditional diet, exercise, and behavioral topics for weight loss. Daily weight and activity level were monitored automatically via a wireless scale and an activity tracker, and participants logged their caloric intake into the system. Monitoring data were reviewed weekly by clinicians who provided brief video-recorded feedback for participants to view at their convenience. Weight and height were measured in person at baseline and postintervention. Postintervention participants completed a satisfaction survey. Results Thirty participants (70% female; 80% White; mean age = 41 yr, standard deviation (SD) = 13.7 yr; mean BMI = 32.4 kg·m−2, SD = 4.3 kg·m−2) were enrolled, and 27 provided posttreatment data. Percent weight loss was 4.12% (SD = 4.22%). Overall, 93% of participants reported being satisfied with their overall experience in the program, and 59% cited individualized feedback as a benefit of the program. Conclusions The HWL program produced modest weight loss and demonstrated feasibility and participant acceptability. This model appears to be generally scalable for broader use and can be used to extend weight loss services for those not residing near medical centers and those in need of asynchronous and virtual feedback.","PeriodicalId":315896,"journal":{"name":"Translational Journal of the ACSM","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128229232","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}
引用次数: 0
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