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Montgomery G, Tobias JH, Paskins Z, Khera TK, Huggins CJ, Allison SJ, Abasolo D, Clark EM, Ireland A. Daily Pain Severity but Not Vertebral Fractures Is Associated With Lower Physical Activity in Postmenopausal Women With Back Pain. J Aging Phys Act 2024; 32:428-437. [PMID: 38527456 DOI: 10.1123/japa.2023-0035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 08/24/2023] [Accepted: 12/13/2023] [Indexed: 03/27/2024]
Abstract
Back pain lifetime incidence is 60%-70%, while 12%-20% of older women have vertebral fractures (VFs), often with back pain. We aimed to provide objective evidence, currently lacking, regarding whether back pain and VFs affect physical activity (PA). We recruited 69 women with recent back pain (age 74.5 ± 5.4 years). Low- (0.5 < g < 1.0), medium- (1.0 ≤ g < 1.5), and high-impact (g ≥ 1.5) PA and walking time were measured (100 Hz for 7 days, hip-worn accelerometer). Linear mixed-effects models assessed associations between self-reported pain and PA, and group differences (VFs from spine radiographs/no-VF) in PA. Higher daily pain was associated with reduced low (β = -0.12, 95% confidence interval, [-0.22, -0.03], p = .013) and medium-impact PA (β = -0.11, 95% confidence interval, [-0.21, -0.01], p = .041), but not high-impact PA or walking time (p > .11). VFs were not associated with PA (all p > .2). Higher daily pain levels but not VFs were associated with reduced low- and medium-impact PA, which could increase sarcopenia and falls risk in older women with back pain.
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Affiliation(s)
- Gallin Montgomery
- Musculoskeletal Science and Sports Medicine Research Centre, Manchester Metropolitan University, Manchester, United Kingdom
| | - Jon H Tobias
- Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
- MRC Integrative Epidemiology Unit, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Zoe Paskins
- School of Medicine, Keele University, Staffordshire, United Kingdom
- Haywood Academic Rheumatology Centre, Midlands Partnership NHS Foundation Trust, Stoke-on-Trent, Staffordshire, United Kingdom
| | - Tarnjit K Khera
- Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Cameron J Huggins
- Centre for Biomedical Engineering, School of Mechanical Engineering Sciences, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, United Kingdom
| | - Sarah J Allison
- Department of Sport, Exercise and Rehabilitation, Faculty of Health and Life Sciences, Northumbria University, Newcastle-upon-Tyne, United Kingdom
- Department of Nutrition, Food & Exercise Sciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford, United Kingdom
| | - Daniel Abasolo
- Centre for Biomedical Engineering, School of Mechanical Engineering Sciences, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, United Kingdom
| | - Emma M Clark
- Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Alex Ireland
- Musculoskeletal Science and Sports Medicine Research Centre, Manchester Metropolitan University, Manchester, United Kingdom
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Chelly A, Bouzid A, Neifar F, Kammoun I, Tekari A, Masmoudi S, Chtourou H, Rebai A. Effect of Aerobic/Strength Training on RANKL Gene DNA Methylation Levels. J Phys Act Health 2023; 20:900-908. [PMID: 37295782 DOI: 10.1123/jpah.2022-0245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 04/11/2023] [Accepted: 04/19/2023] [Indexed: 06/12/2023]
Abstract
BACKGROUND The osteoclastogenesis RANKL gene plays a key role in bone remodeling. The hypomethylation of its promoter region may cause osteoporosis. The present study aimed to elucidate the influence of physical activity on DNA methylation changes of RANKL promoter cytosine-phosphate-guanine (CpG)-rich region in active and sedentary adults and to assess the effect of aerobic and strength training on RANKL DNA methylation changes among Tunisian-North African adults. METHODS A total of 104 participants including 52 adults (58% males and 42% females) and 52 adults (31% males and 69% females) were recruited for the observational and interventional part of the study, respectively. The intervention consisted of 12 weeks of aerobic training (30 min/session) followed by 10 minutes of strengthening exercises. All participants completed the International Physical Activity Questionnaire and provided blood samples for quantitative methylation-specific polymerase chain reaction (PCR) analysis. RESULTS The study revealed a significant difference (P = 6 × 10-10) in the methylation level of the RANKL promoter region between active and sedentary adults, with a 6.68-fold increase observed in the active group. After the intervention, both the trained (P = 41 × 10-5) and untrained (P = .002) groups displayed high methylation levels in the RANKL promoter region. In addition, the trained group exhibited significant improvements in heart rate (P = 2.2 × 10-16), blood pressure (P = 39 × 10-3), maximal oxygen uptake (P = 1.5 × 10-7), and fat mass (P = 7 × 10-4). CONCLUSION Exploring epigenetic modifications in the RANKL promoter region may contribute to a more comprehensive understanding of the complexity of osteoporosis. This suggests that aerobic/strength training could potentially improve the bone system, reducing its vulnerability to osteoporosis by increasing RANKL DNA methylation.
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Affiliation(s)
- Ameni Chelly
- Laboratory of Molecular and Cellular Screening Processes, Center of Biotechnology of Sfax, University of Sfax, Sfax,Tunisia
- High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax,Tunisia
| | - Amal Bouzid
- Laboratory of Molecular and Cellular Screening Processes, Center of Biotechnology of Sfax, University of Sfax, Sfax,Tunisia
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah,United Arab Emirates
| | - Fadoua Neifar
- Laboratory of Molecular and Cellular Screening Processes, Center of Biotechnology of Sfax, University of Sfax, Sfax,Tunisia
| | - Ines Kammoun
- Service d'explorations fonctionnelles, CHU Habib-Bourguiba, Université de Sfax, Sfax,Tunisia
| | - Adel Tekari
- Laboratory of Molecular and Cellular Screening Processes, Center of Biotechnology of Sfax, University of Sfax, Sfax,Tunisia
| | - Saber Masmoudi
- Laboratory of Molecular and Cellular Screening Processes, Center of Biotechnology of Sfax, University of Sfax, Sfax,Tunisia
| | - Hamdi Chtourou
- High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax,Tunisia
- Physical Activity, Sport and Health, National Observatory of Sport, Tunis,Tunisia
| | - Ahmed Rebai
- Laboratory of Molecular and Cellular Screening Processes, Center of Biotechnology of Sfax, University of Sfax, Sfax,Tunisia
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Benson LC, Räisänen AM, Clermont CA, Ferber R. Is This the Real Life, or Is This Just Laboratory? A Scoping Review of IMU-Based Running Gait Analysis. SENSORS 2022; 22:s22051722. [PMID: 35270869 PMCID: PMC8915128 DOI: 10.3390/s22051722] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 02/16/2022] [Accepted: 02/17/2022] [Indexed: 01/19/2023]
Abstract
Inertial measurement units (IMUs) can be used to monitor running biomechanics in real-world settings, but IMUs are often used within a laboratory. The purpose of this scoping review was to describe how IMUs are used to record running biomechanics in both laboratory and real-world conditions. We included peer-reviewed journal articles that used IMUs to assess gait quality during running. We extracted data on running conditions (indoor/outdoor, surface, speed, and distance), device type and location, metrics, participants, and purpose and study design. A total of 231 studies were included. Most (72%) studies were conducted indoors; and in 67% of all studies, the analyzed distance was only one step or stride or <200 m. The most common device type and location combination was a triaxial accelerometer on the shank (18% of device and location combinations). The most common analyzed metric was vertical/axial magnitude, which was reported in 64% of all studies. Most studies (56%) included recreational runners. For the past 20 years, studies using IMUs to record running biomechanics have mainly been conducted indoors, on a treadmill, at prescribed speeds, and over small distances. We suggest that future studies should move out of the lab to less controlled and more real-world environments.
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Affiliation(s)
- Lauren C. Benson
- Faculty of Kinesiology, University of Calgary, Calgary, AB T2N 1N4, Canada; (A.M.R.); (C.A.C.); (R.F.)
- Tonal Strength Institute, Tonal, San Francisco, CA 94107, USA
- Correspondence:
| | - Anu M. Räisänen
- Faculty of Kinesiology, University of Calgary, Calgary, AB T2N 1N4, Canada; (A.M.R.); (C.A.C.); (R.F.)
- Department of Physical Therapy Education, College of Health Sciences—Northwest, Western University of Health Sciences, Lebanon, OR 97355, USA
| | - Christian A. Clermont
- Faculty of Kinesiology, University of Calgary, Calgary, AB T2N 1N4, Canada; (A.M.R.); (C.A.C.); (R.F.)
- Sport Product Testing, Canadian Sport Institute Calgary, Calgary, AB T3B 6B7, Canada
| | - Reed Ferber
- Faculty of Kinesiology, University of Calgary, Calgary, AB T2N 1N4, Canada; (A.M.R.); (C.A.C.); (R.F.)
- Cumming School of Medicine, Faculty of Nursing, University of Calgary, Calgary, AB T2N 1N4, Canada
- Running Injury Clinic, Calgary, AB T2N 1N4, Canada
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