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Nunes PRP, Kassiano W, Castro-E-Souza P, Camilo BDF, Cristina-Souza G, Vieira-Souza LM, Cyrino ES, Carneiro MADS. Higher volume resistance training enhances whole-body muscle hypertrophy in postmenopausal and older females: A secondary analysis of systematic review and meta-analysis of randomized clinical trials. Arch Gerontol Geriatr 2024; 124:105474. [PMID: 38744142 DOI: 10.1016/j.archger.2024.105474] [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: 02/21/2024] [Revised: 04/23/2024] [Accepted: 05/03/2024] [Indexed: 05/16/2024]
Abstract
OBJECTIVE This study explored the effects of resistance training (RT) volume on muscle hypertrophy in postmenopausal and older females. METHODS This systematic review searched randomized controlled trials (RCTs) on PubMed/MEDLINE, Scopus, Web of Science, and SciELO. Studies with postmenopausal (age ≥ 45 y) or older females (age ≥ 60 y) that compared RT (whole-body) effects on muscle hypertrophy with a control group (CG) were included. Independently reviewers selected the studies, extracted data, and performed the risk of bias of RCTs (RoB2) and certainty of the evidence (GRADE). Whole-body lean mass, free-fat mass, and skeletal muscle mass measurements were included as muscle hypertrophy outcomes. A random-effects model standardized mean difference (Hedges'g), and 95% confidence interval (95%CI) were used for meta-analysis. RESULTS Fourteen RCTs (overall RoB2: some concerns, except one study with high risk; GRADE: low evidence) were included. RT groups were divided into low (LVRT, total volume: 445.0 au) and high-volume (HVRT, total volume: 997.3 au). Most exercises performed were arm curl, bench press or chest press, calf raise, leg curl, leg extension, leg press or squat, seated row or lat pulldown, and triceps pushdown. Both groups experienced muscle hypertrophy (HVRT = ∼1.3 kg vs. LVRT = ∼0.9 kg) when compared to CG, although HVRT demonstrated moderate effects size (HVRT = 0.52, 95%CI: 0.27, 0.77) and LVRT demonstrated small effects size (LVRT = 0.34, 95%CI: 0.14, 0.53). CONCLUSIONS Compared to CG, results suggest that the HVRT protocol elicits superior improvements in muscle hypertrophy outcomes than LVRT in postmenopausal and older females.
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Affiliation(s)
- Paulo Ricardo Prado Nunes
- Department of Body and Human Movement, Minas Gerais State University (UEMG), 37902-092 Passos, MG, Brazil; Physical Activity, Health and Ageing Research Group (GPASE), Minas Gerais State University (UEMG), 37902-092 Passos, MG, Brazil; Exercise and Nutrition Research Group (GPEN), Minas Gerais State University (UEMG), 37701-355 Poços de Caldas, MG, Brazil; Sport Sciences and Physical Exercise Study and Research Group - (GEPCEEX), Minas Gerais State University (UEMG), 37902-092 Passos, MG, Brazil.
| | - Witalo Kassiano
- Metabolism, Nutrition and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, PR, Brazil
| | - Pâmela Castro-E-Souza
- Metabolism, Nutrition and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, PR, Brazil
| | - Bruno de Freitas Camilo
- Department of Body and Human Movement, Minas Gerais State University (UEMG), 37902-092 Passos, MG, Brazil; Physical Activity, Health and Ageing Research Group (GPASE), Minas Gerais State University (UEMG), 37902-092 Passos, MG, Brazil; Exercise and Nutrition Research Group (GPEN), Minas Gerais State University (UEMG), 37701-355 Poços de Caldas, MG, Brazil; Sport Sciences and Physical Exercise Study and Research Group - (GEPCEEX), Minas Gerais State University (UEMG), 37902-092 Passos, MG, Brazil
| | - Gislaine Cristina-Souza
- Exercise and Nutrition Research Group (GPEN), Minas Gerais State University (UEMG), 37701-355 Poços de Caldas, MG, Brazil; Department of Education and Human Sciences, Minas Gerais State University (UEMG), 37701-355 Poços de Caldas, MG, Brazil; Sport Sciences and Physical Exercise Study and Research Group - (GEPCEEX), Minas Gerais State University (UEMG), 37902-092 Passos, MG, Brazil
| | - Lucio Marques Vieira-Souza
- Department of Body and Human Movement, Minas Gerais State University (UEMG), 37902-092 Passos, MG, Brazil; Sport Sciences and Physical Exercise Study and Research Group - (GEPCEEX), Minas Gerais State University (UEMG), 37902-092 Passos, MG, Brazil; Postgraduate Program in Physical Education, Federal University of Sergipe (UFS), 49107-230 São Cristóvão, SE, Brazil
| | - Edilson Serpeloni Cyrino
- Metabolism, Nutrition and Exercise Laboratory, Physical Education and Sport Center, Londrina State University, Londrina, PR, Brazil
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Hou CH, Hsieh TJ, Chou MC. Association between lumbar muscle size and bone mineral density in nonfractured postmenopausal women with and without osteoporosis. Menopause 2024; 31:282-287. [PMID: 38412386 DOI: 10.1097/gme.0000000000002332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
OBJECTIVE Estrogen deficiency in postmenopausal women is associated with bone loss and a decline in muscle mass. However, the associations between lumbar muscle size and bone mineral density (BMD) in postmenopausal women with and without osteoporosis remain unclear. The aim of this study was to investigate the associations between lumbar muscle size and BMD in nonfractured postmenopausal women with osteoporosis and those with osteopenia. METHODS A total of 89 postmenopausal women with osteopenia (n = 53) and osteoporosis (n = 36) were retrospectively enrolled in this study from 2014 to 2022. All participants underwent lumbar magnetic resonance imaging and dual-energy absorptiometry within a month. The lean lumbar muscle sizes at different lumbar levels were quantitatively evaluated on axial T1-weighted images. The associations between lumbar muscle size and BMD were analyzed using Pearson's correlation analysis. RESULTS The osteoporosis group had significantly smaller lean psoas muscle sizes than the osteopenia group. Based on the correlation analysis, the erector spinae and multifidus muscle sizes were significantly associated with lumbar and femoral neck BMDs in the osteoporosis group. However, no significant association was found between lean psoas muscle size and BMDs in the osteopenia group. Thus, the associations between lumbar muscle decline and bone loss differed between postmenopausal women with osteoporosis and those with osteopenia. CONCLUSIONS The study findings suggest differences in the associations between BMD and lumbar muscle size between postmenopausal women with osteoporosis and those with osteopenia.
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Affiliation(s)
- Chun-Han Hou
- From the Department of Medical Imaging, Ta-Tung Municipal Hospital, Kaohsiung, Taiwan
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Loss of muscle mass in women with premature ovarian insufficiency as compared with healthy controls. Menopause 2023; 30:122-127. [PMID: 36696635 DOI: 10.1097/gme.0000000000002120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
OBJECTIVE Menopausal transition has been known to be associated with the loss of muscle mass. However, muscle health in women with premature menopause, that is, premature ovarian insufficiency (POI), remains unclear. We aimed to investigate and compare muscle mass parameters and the prevalence of low muscle mass between patients with spontaneous POI and healthy controls. METHODS In this cross-sectional study, 59 women with spontaneous POI and 57 premenopausal controls with normal ovarian function were enrolled at the Women's Hospital, Zhejiang University School of Medicine (Hangzhou, China) from June 17, 2020, to August 20, 2021. Muscle mass parameters were measured by dual-energy x-ray absorptiometry, and low muscle mass was diagnosed using the Asian Working Group for Sarcopenia criteria. In addition, participants provided their sociodemographic data, menstrual and reproductive history, lifestyle factors, and medical history. Multivariate linear regression analysis was conducted. RESULTS Muscle mass parameters, including appendicular skeletal muscle mass (ASM), ASM/height2, ASM/weight, ASM/body mass index, total skeletal muscle mass (TSM), and TSM/weight, were significantly lower in women with POI as compared with healthy controls (ASM: 14.62 ± 2.08 vs 15.97 ± 1.78, P < 0.001; ASM/height2: 5.71 ± 0.64 vs 6.15 ± 0.62, P < 0.001; ASM/weight: 0.27 [0.25, 0.28] vs 0.28 [0.27, 0.29], P = 0.002; ASM/BMI: 0.68 ± 0.07 vs 0.73 ± 0.06, P = 0.001; TSM: 33.85 ± 4.08 vs 36.43 ± 3.56, P < 0.001; TSM/weight: 0.63 [0.59, 0.65] vs 0.64 [0.61, 0.67], P = 0.02). The prevalence of low muscle mass in POI patients was significantly higher than that in controls (32.20% vs 8.77%, χ2 = 9.70, P = 0.002). Furthermore, multivariate linear regression analyses demonstrated that POI status was an independent risk factor for ASM (β = -1.13; 95% CI, -1.62 to -0.65), ASM/height2 (-0.35, -0.47 to -0.22), ASM/weight (-0.01, -0.02 to -0.009), ASM/BMI (-0.05, -0.07 to -0.02), TSM (-2.16, -3.14 to -1.17), and TSM/weight (-0.03, -0.04 to -0.02). CONCLUSIONS Women with POI exhibit significant loss of muscle mass as compared with healthy controls. Early diagnosis and long-term health management in POI patients are important.
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Abstract
OBJECTIVE Sarcopenia is associated with high morbidity and mortality in older women. Early detection and intervention during the postmenopausal period were hypothesized to help maintain muscle mass and performance. Although the Asian Working Group has developed guidelines for sarcopenia management, the condition has not been sufficiently investigated in the middle-aged cohort of the Asian population. This study aimed to measure the prevalence of pre-sarcopenia and sarcopenia in middle-aged postmenopausal women and to determine the factors associated with low muscle mass. METHODS In this cross-sectional study conducted in the Menopause Clinic, King Chulalongkorn Memorial Hospital, we used the bioelectrical impedance analysis method to determine the appendicular muscle mass using a body composition analyzer (TANITA MC980 Plus). Appendicular muscle mass index, handgrip strength, and 6-m gait speed were measured in 340 women aged 45 to 65 years. Hormonal profiles, anthropometric data, and relevant history were recorded. RESULTS The mean age of the study participants and time since menopause were 57.8 ± 4.5 years and 9.4 ± 5.5 years, respectively. The proportion of pre-sarcopenic, sarcopenic, and nonsarcopenic women were 11.8%, 2.7%, and 85.6%, respectively. A body mass index ≤ 20 kg/m2 had the strongest correlation with low muscle mass (odds ratio 7.1; 95% confidence interval 3.0-16.8, P < 0.001). CONCLUSION Nearly 12% of Thai middle-aged postmenopausal women were pre-sarcopenic. Early detection of symptoms of pre-sarcopenia and maintenance of a healthy body mass index may reduce the burden of this condition for middle-aged and older women.
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Miyakoshi N, Hongo M, Shimada Y. Long-term changes in lean mass in postmenopausal women and the effects of osteoporosis pharmacotherapy: A 10-year longitudinal study. Osteoporos Sarcopenia 2021; 7:30-35. [PMID: 33869803 PMCID: PMC8044587 DOI: 10.1016/j.afos.2021.02.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 01/31/2021] [Accepted: 02/23/2021] [Indexed: 01/06/2023] Open
Abstract
OBJECTIVES Although sarcopenia is diagnosed using appendicular lean mass (ALM), only a few long-term studies on changes in both ALM and bone mineral density (BMD) have been reported. The purposes of this study are to evaluate the changes in the parameters of lean mass and bone mass over a 10-year interval and to estimate the effects of osteoporosis pharmacotherapy on muscle. METHODS A total of 175 postmenopausal women were evaluated at baseline and after 10 years for BMD, ALM, fat mass, height, and weight. Subjects were further divided into an osteoporosis treatment group (n = 60) and a control group (n = 67) according to whether they had received pharmacotherapy for > 5 years. This was followed by propensity score matching for age, height, weight, and body mass index (BMI), and estimated parameters were compared between groups. RESULTS Height, weight, ALM, and fat mass decreased significantly over 10 years (P < 0.05). However, lean mass index (LMI), derived as the ALM divided by the height squared, increased significantly (P < 0.001). BMD increased significantly with osteoporosis treatment (P < 0.05), while no significant differences were observed between the osteoporosis treatment and control groups in the changes to ALM or fat mass. CONCLUSIONS ALM was decreased, while LMI was significantly increased. This contradictory result seems to be affected by age-related height loss. Thus, the effect of height loss needs to be considered when sarcopenia is evaluated longitudinally using LMI.
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Affiliation(s)
- Naohisa Miyakoshi
- Department of Orthopedic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543, Japan
| | - Michio Hongo
- Department of Orthopedic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543, Japan
| | - Yoichi Shimada
- Department of Orthopedic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543, Japan
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Ko J, Park YM. Menopause and the Loss of Skeletal Muscle Mass in Women. IRANIAN JOURNAL OF PUBLIC HEALTH 2021; 50:413-414. [PMID: 33748008 PMCID: PMC7956097 DOI: 10.18502/ijph.v50i2.5362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The article's abstract is not available.
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Affiliation(s)
- Jupil Ko
- Division of Health and Kinesiology, Incheon National University, Incheon, Republic of Korea
| | - Young-Min Park
- Division of Health and Kinesiology, Incheon National University, Incheon, Republic of Korea
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Role of Menopausal Transition and Physical Activity in Loss of Lean and Muscle Mass: A Follow-Up Study in Middle-Aged Finnish Women. J Clin Med 2020; 9:jcm9051588. [PMID: 32456169 PMCID: PMC7290663 DOI: 10.3390/jcm9051588] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 05/15/2020] [Accepted: 05/22/2020] [Indexed: 12/13/2022] Open
Abstract
In midlife, women experience hormonal changes due to menopausal transition. A decrease especially in estradiol has been hypothesized to cause loss of muscle mass. This study investigated the effect of menopausal transition on changes in lean and muscle mass, from the total body to the muscle fiber level, among 47–55-year-old women. Data were used from the Estrogenic Regulation of Muscle Apoptosis (ERMA) study, where 234 women were followed from perimenopause to early postmenopause. Hormone levels (estradiol and follicle stimulating hormone), total and regional body composition (dual-energy X-ray absorptiometry (DXA) and computed tomography (CT) scans), physical activity level (self-reported and accelerometer-measured) and muscle fiber properties (muscle biopsy) were assessed at baseline and at early postmenopause. Significant decreases were seen in lean body mass (LBM), lean body mass index (LBMI), appendicular lean mass (ALM), appendicular lean mass index (ALMI), leg lean mass and thigh muscle cross-sectional area (CSA). Menopausal status was a significant predictor for all tested muscle mass variables, while physical activity was an additional significant contributor for LBM, ALM, ALMI, leg lean mass and relative muscle CSA. Menopausal transition was associated with loss of muscle mass at multiple anatomical levels, while physical activity was beneficial for the maintenance of skeletal muscle mass.
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Park YM, Jankowski CM, Ozemek C, Hildreth KL, Kohrt WM, Moreau KL. Appendicular lean mass is lower in late compared with early perimenopausal women: potential role of FSH. J Appl Physiol (1985) 2020; 128:1373-1380. [PMID: 32298212 DOI: 10.1152/japplphysiol.00315.2019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Age-related declines in skeletal muscle mass (i.e., sarcopenia) contribute to physical disability in older women. Although a menopause-related increase in fat mass is well documented, whether menopause influences muscle mass and sarcopenia is unclear. We determined the extent to which skeletal muscle mass differs across the stages of the menopause transition in women and whether these differences are associated with estradiol or other sex hormones. This was a cross-sectional study of 144 healthy women (aged 30-70 yr) classified as premenopausal [n = 30, 38 ± 6 yr (means ± SD)], early (n = 31, 50 ± 3 yr) and late (n = 30, 50 ± 4 yr) perimenopausal, and early (n = 26, 55 ± 3 yr) and late (n = 27, 62 ± 4 yr) postmenopausal. Appendicular lean mass (ALM) adjusted by the square of height in meters (ALM index; ALMi) was assessed by dual-energy X-ray absorptiometry. ALMi was lower (P < 0.05) in late perimenopausal and postmenopausal compared with early perimenopausal, with no significant differences between other groups (premenopausal 6.6 ± 0.6, early perimenopausal 6.8 ± 0.8, late perimenopausal 6.1 ± 0.8, early postmenopausal 6.5 ± 1.1, and late postmenopausal 6.2 ± 0.9 kg/m2). The prevalence of sarcopenia (ALMi ≤ 5.67 kg/m2) was 7%, 3%, 30%, 27%, and 32% in premenopausal, early and late perimenopausal, and early and late postmenopausal groups, respectively. ALMi measured across menopause stages was inversely correlated to follicle-stimulating hormone (FSH; r = -0.28, P = 0.003) but not to estradiol (r = 0.088, P = 0.34). The menopause transition appears to be a vulnerable period for the loss of skeletal muscle mass that may begin during the late perimenopausal transition. Future studies are necessary to investigate the potential effect of FSH on skeletal muscle.NEW & NOTEWORTHY Our data suggest that the late perimenopausal stage may be a vulnerable period for the loss of skeletal muscle, potentially related to elevations in FSH.
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Affiliation(s)
- Young-Min Park
- Division of Geriatric Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado.,Department of Exercise and Health Science, Incheon National University, Incheon, South Korea
| | - Catherine M Jankowski
- Division of Geriatric Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado.,College of Nursing, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Cemal Ozemek
- Department of Physical Therapy, University of Illinois, Chicago, Illinois
| | - Kerry L Hildreth
- Division of Geriatric Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Wendy M Kohrt
- Division of Geriatric Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado.,Geriatric Research Education and Clinical Center (GRECC), Department of Veterans Affairs Eastern Colorado Health Care System, Denver, Colorado
| | - Kerrie L Moreau
- Division of Geriatric Medicine, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado.,Geriatric Research Education and Clinical Center (GRECC), Department of Veterans Affairs Eastern Colorado Health Care System, Denver, Colorado
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Mohebi S, Torkaman G, Bahrami F, Darbani M. Postural instability and position of the center of pressure into the base of support in postmenopausal osteoporotic and nonosteoporotic women with and without hyperkyphosis. Arch Osteoporos 2019; 14:58. [PMID: 31161413 DOI: 10.1007/s11657-019-0581-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 02/18/2019] [Indexed: 02/03/2023]
Abstract
UNLABELLED In postmenopausal women, thoracic hyperkyphosis affects postural instability in the sagittal plane, whereas osteoporosis affects it in the frontal plane. Decrease of hip muscle strength can be changed the center of pressure distance to the center of base of support. These results may be important to design the therapeutic exercise for decreasing the postural instability. PURPOSE In this study, we investigated the effect of bone mineral density (BMD) and thoracic kyphosis on the center of pressure (CoP) sway and its location related to the base of support (BoS). METHODS Ten young and 39 postmenopausal women voluntarily participated in this study. Postmenopausal women were divided into four groups according to the thoracic kyphosis angle (normal kyphotic < 50° ≤ hyperkyphotic) and T-score values. The isometric strength of the trunk and lower limb muscles were measured. The CoP postural sway was measured in a comfortable double stance position, and the location of the CoP was then determined related to the BoS. RESULTS In both hyperkyphotic groups (osteoporotic and normal BMD), the strength of back extension and hip adduction showed a significant decrease compared to the normal kyphotic groups. In the osteoporotic groups (hyper- and normal kyphotic), hip abduction and ankle plantar flexion were significantly weaker than those in the nonosteoporotic groups. In both hyperkyphotic groups, velocity of the CoP displacement in the anterior-posterior (AP) direction was significantly higher than that in the young group, while, in both of the osteoporotic groups, velocity of the CoP displacement in the medio-lateral (ML) direction was significantly higher than that in the young group. In postmenopausal women, hip extensor strength negatively and significantly correlated with the CoP distance to the center of the BoS. CONCLUSION It appears that thoracic hyperkyphosis affects postural instability in the AP direction and that a decrease of BMD affects postural instability in the ML direction.
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Affiliation(s)
- Sanaz Mohebi
- Physical Therapy Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Giti Torkaman
- Physical Therapy Department, Faculty of Medical Sciences, Tarbiat Modares University, P. O. Box: 1411713116, Ale-Ahmad Ave., Tehran, Iran.
| | - Fariba Bahrami
- Human Motor Control and Computational Neuroscience Lab, School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Malihe Darbani
- Physical Therapy Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
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Park YM, Keller AC, Runchey SS, Miller BF, Kohrt WM, Van Pelt RE, Kang C, Jankowski CM, Moreau KL. Acute estradiol treatment reduces skeletal muscle protein breakdown markers in early- but not late-postmenopausal women. Steroids 2019; 146:43-49. [PMID: 30928279 PMCID: PMC6679593 DOI: 10.1016/j.steroids.2019.03.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 03/12/2019] [Accepted: 03/24/2019] [Indexed: 01/31/2023]
Abstract
OBJECTIVES Menopause and decline in estradiol (E2) may contribute to sarcopenia (i.e., age-related decline in muscle mass and strength) in women. E2 may directly impact skeletal muscle protein breakdown via estrogen receptor (ER) signaling, primarily ERα. It is not yet known whether: 1) E2 regulates pathways of skeletal muscle protein breakdown; 2) E2-mediated changes in protein breakdown markers are associated with ERα activation and insulin sensitivity; and 3) the effects of E2 on protein breakdown markers differ by increasing time since menopause. STUDY DESIGN We studied 27 women who were ≤6 years past menopause (early postmenopausal, EPM; n = 13) or ≥10 years past menopause (late postmenopausal, LPM; n = 14). Fasted skeletal muscle samples were collected following 1 week of transdermal E2 or placebo treatment in a randomized cross-over design. MAIN OUTCOME MEASURES We analyzed for cytosolic protein content of the: 1) structural proteins myosin heavy chain (MHC) and tropomyosin; and 2) protein regulatory markers: protein kinase B (Akt), muscle-specific ring finger protein1 (MuRF1), atrogin1, and forkhead box O3 (FOXO3) using Western blot. RESULTS In response to acute E2, FOXO3 activation (dephosphorylation) and MuRF1 protein expression decreased in EPM but increased in LPM women (p < 0.05). ERα activation was not associated with these protein breakdown markers, but FOXO3 activation tended to be inversely correlated (r = -0.318, p = 0.065) to insulin sensitivity. CONCLUSIONS These preliminary studies suggest the effects of E2 on skeletal muscle protein breakdown markers were dependent on time since menopause, which is consistent with our previous study on insulin sensitivity.
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Affiliation(s)
- Young-Min Park
- Department of Medicine, Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Amy C Keller
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Shauna S Runchey
- Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Benjamin F Miller
- Department of Health and Exercise Science, Colorado State University, Fort Collins, CO, USA
| | - Wendy M Kohrt
- Department of Medicine, Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; VA Eastern Colorado Health Care System, Geriatric Research Education and Clinical Center (GRECC), Denver, CO, USA
| | - Rachael E Van Pelt
- Department of Medicine, Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; VA Eastern Colorado Health Care System, Geriatric Research Education and Clinical Center (GRECC), Denver, CO, USA
| | - Chounghun Kang
- Department of Physical Education, Inha University, Incheon, South Korea
| | - Catherine M Jankowski
- Department of Medicine, Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; College of Nursing, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Kerrie L Moreau
- Department of Medicine, Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; VA Eastern Colorado Health Care System, Geriatric Research Education and Clinical Center (GRECC), Denver, CO, USA.
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Traditional body mass index cut-offs in older people: Time for a rethink with altered fat distribution, sarcopenia and shrinking height. Maturitas 2018; 113:A1-A2. [PMID: 29588091 DOI: 10.1016/j.maturitas.2018.03.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Mohseni R, Aliakbar S, Abdollahi A, Yekaninejad MS, Maghbooli Z, Mirzaei K. Relationship between major dietary patterns and sarcopenia among menopausal women. Aging Clin Exp Res 2017; 29:1241-1248. [PMID: 28224473 DOI: 10.1007/s40520-016-0721-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Accepted: 12/23/2016] [Indexed: 12/31/2022]
Abstract
BACKGROUND AND AIM Dietary habits have been associated with the prevalence of the sarcopenia and limited data are available in this field for menopausal women. This study focused on the relationship between dietary patterns and prevalence of the sarcopenia in menopausal women. METHODS This cross-sectional study was done in 250 menopausal women 45 years old or older. Dietary data were collected using a food-frequency questionnaire and physical activity was assessed by International Physical Activity Questionnaire (IPAQ). Height, weight, skeletal muscle mass, hand grip, and gait speed were measured and sarcopenia was defined based on European Working Group on Sarcopenia in Older People (EWGSOP) guidelines. RESULTS Using factor analysis, two major dietary patterns were found: a Western pattern (high in commercial beverage, sugar and dessert, snacks, solid fat, potato, high fat dairy, legume, organ meat, fast food, and sweets) and a Mediterranean pattern (high in olive, low-fat dairy, vegetable, fish, nut, and vegetable oil). After adjusting for confounding variables, for the highest vs the lowest tertiles, the Odds Ratio (OR) for sarcopenia was 1.06 [95% confidence interval (CI), 0.47-2.37] in the Western pattern and 0.40 [95% confidence interval (CI), 0.17-0.89] in the Mediterranean pattern. CONCLUSIONS Our findings suggest that Mediterranean dietary pattern has a favorable role in the prevention of sarcopenia.
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Affiliation(s)
- Reza Mohseni
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Sima Aliakbar
- Osteoporosis Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Afsoun Abdollahi
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Mir Saeed Yekaninejad
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Zhila Maghbooli
- Osteoporosis Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences (TUMS), Tehran, Iran.
| | - Khadijeh Mirzaei
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran.
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Karvonen-Gutierrez C, Kim C. Association of Mid-Life Changes in Body Size, Body Composition and Obesity Status with the Menopausal Transition. Healthcare (Basel) 2016; 4:healthcare4030042. [PMID: 27417630 PMCID: PMC5041043 DOI: 10.3390/healthcare4030042] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 06/29/2016] [Accepted: 07/08/2016] [Indexed: 12/16/2022] Open
Abstract
The mid-life period is a critical window for increases in body weight and changes in body composition. In this review, we summarize the clinical experience of the menopausal transition by obesity status, and examine the evidence regarding the menopausal transition and reproductive hormones effects on body weight, body composition, or fat distribution. Mid-life obesity is associated with a different menopausal experience including associations with menstrual cycle length prior to the final menstrual period (FMP), age at the FMP, and higher prevalence of vasomotor symptoms. The menopausal transition is associated with weight gain and increased central body fat distribution; the majority of evidence suggests that changes in weight are due to chronological aging whereas changes in body composition and fat distribution are primarily due to ovarian aging. Continuous and regular physical activity during mid-life may be an efficacious strategy to counteract the age-related and menopause-related changes in resting energy expenditure and to prevent weight gain and abdominal adiposity deposition.
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Affiliation(s)
- Carrie Karvonen-Gutierrez
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Catherine Kim
- Departments of Medicine and Obstetrics & Gynecology, University of Michigan, Ann Arbor, MI 48109, USA.
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Hita-Contreras F, Martínez-Amat A, Cruz-Díaz D, Pérez-López FR. Fall prevention in postmenopausal women: the role of Pilates exercise training. Climacteric 2016; 19:229-33. [DOI: 10.3109/13697137.2016.1139564] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Sexual dimorphism of facial appearance in ageing human adults: A cross-sectional study. Forensic Sci Int 2015; 257:519.e1-519.e9. [PMID: 26548377 DOI: 10.1016/j.forsciint.2015.09.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Revised: 07/12/2015] [Accepted: 09/12/2015] [Indexed: 11/22/2022]
Abstract
In the forensic sciences, knowledge of facial ageing is very important in searching for both dead and living individuals. Ageing estimations typically model the biological profile, which can be compared to missing persons. The main goals of this current study were to construct ageing trajectories for adult human faces of both sexes and evaluate sexual dimorphism in relation to static allometry. Our study was based on the analysis of three-dimensional facial surface models of 194 individuals 20-80 years of age. The evaluation consisted of a dense correspondence analysis of facial scans and multivariate statistics. It was shown that both age and sex have a significant influence on facial form and shape. Male features included a longer face, with more protruded foreheads, eyebrow ridges and nose, including the region under the upper lip and mandible region, but more retruded cheeks compared to females. Ageing in both sexes shared common traits, such as more pronounced roundness of the face (rectangular in males), decreased facial convexity, increased visibility of skin folds and wrinkles connected with the loss of skin elasticity, and soft tissue stretching, especially in the orbital area and lower face; however, male faces exhibited more intense ageing changes. The above-mentioned sexual dimorphic traits tended to diminish in the elderly age category, though overall sexual dimorphism was heightened with age. The static allometric relationships between size and form or shape were similar in both sexes, except that the larger faces of elderly males displayed more intensive ageing changes.
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Jaff NG, Norris SA, Snyman T, Toman M, Crowther NJ. Body composition in the Study of Women Entering and in Endocrine Transition (SWEET): A perspective of African women who have a high prevalence of obesity and HIV infection. Metabolism 2015; 64:1031-41. [PMID: 26031506 DOI: 10.1016/j.metabol.2015.05.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Revised: 05/15/2015] [Accepted: 05/17/2015] [Indexed: 01/01/2023]
Abstract
OBJECTIVES Little data are available for sub-Saharan African women on changes in body composition in menopause transition (MT). The study aimed to determine whether there are differences in body adiposity, lean muscle mass, and bone mineral density (BMD) across MT groups in urban African women, who have a high prevalence of obesity and HIV infection, and if this is related to an altered hormonal milieu. DESIGN Participants were 702 black urban women. Menopause stage was defined using STRAW+10 criteria. Levels of follicle stimulating hormone (FSH), estradiol (E2), dehydroepiandrosterone (DHEA), dehydroepiandrosterone sulfate (DHEAS), testosterone (T) and sex hormone blinding globulin (SHBG) were measured. Body composition was measured with dual-energy X-ray absorptiometry (DXA) and ultrasound scans. RESULTS Whole body lean mass (p=0.002) and BMD (p<0.0005) were significantly lower in postmenopausal compared to premenopausal groups. Estradiol (p<0.0005), SHBG (p<0.0005) and DHEAS (p=0007) were significantly lower in post- than premenopausal groups, while FSH was higher (p<0.0005). FSH correlated negatively (β=-2.06, p<0.0005) with total lean mass while E2 correlated positively (β=20.0, p=0.002) with BMD. Use of antiretroviral therapy (ART) correlated negatively with total fat mass (β=-2.92, p=0.008) and total bone mineral content (BMC; β=-78.8, p=0.003). CONCLUSIONS The MT in this population is characterized by lower whole body lean mass and BMD in post- compared to premenopausal subjects but there are minimal differences in fat mass. Lower lean mass and BMD were associated with higher FSH and lower E2 serum levels, respectively. Use of ART was associated with lower fat mass and BMC.
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Affiliation(s)
- Nicole G Jaff
- MRC/Developmental Pathways for Health Research Unit (DPHRU), University of the Witwatersrand, Johannesburg; Department of Chemical Pathology, National Health Laboratory Service and University of the Witwatersrand, Johannesburg.
| | - Shane A Norris
- MRC/Developmental Pathways for Health Research Unit (DPHRU), University of the Witwatersrand, Johannesburg
| | - Tracy Snyman
- Department of Chemical Pathology, National Health Laboratory Service and University of the Witwatersrand, Johannesburg
| | - Marketa Toman
- Department of Chemical Pathology, National Health Laboratory Service and University of the Witwatersrand, Johannesburg
| | - Nigel J Crowther
- Department of Chemical Pathology, National Health Laboratory Service and University of the Witwatersrand, Johannesburg
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Park SM, Kwak YS, Ji JG. The Effects of Combined Exercise on Health-Related Fitness, Endotoxin, and Immune Function of Postmenopausal Women with Abdominal Obesity. J Immunol Res 2015; 2015:830567. [PMID: 26075288 PMCID: PMC4446502 DOI: 10.1155/2015/830567] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Revised: 04/27/2015] [Accepted: 04/28/2015] [Indexed: 12/21/2022] Open
Abstract
This study was conducted to examine the effects of combined exercise on health-related fitness, endotoxin concentrations, and immune functions of postmenopausal women with abdominal obesity. 20 voluntary participants were recruited and they were randomly allocated to the combined exercise group (n = 10) or the control group (n = 10). Visceral obesity was defined as a visceral-to-subcutaneous fat ratio ≥ 0.4 based on computed tomography (CT) results. Body composition, exercise stress testing, fitness measurement, CT scan, and blood variables were analyzed to elucidate the effects of combined exercise. The SPSS Statistics 18.0 program was used to calculate means and standard deviations for all variables. Significant differences between the exercise group and control group were determined with 2-way ANOVA and paired t-tests. The exercise group's abdominal obesity was mitigated due to visceral fat reduction; grip strength, push-ups, and oxygen uptake per weight improved; and HDL-C and IgA level also increased, while TNF-α, CD14, and endotoxin levels decreased. Lowered TNF-α after exercise might have an important role in the obesity reduction. Therefore, we can conclude that combined exercise is effective in mitigating abdominal obesity, preventing metabolic diseases, and enhancing immune function.
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Affiliation(s)
- Sung-Mo Park
- Department of Physical Education, Dong-Eui University, 995 Eomgwangno, Busanjin-gu, Busan 614-714, Republic of Korea
| | - Yi-Sub Kwak
- Department of Physical Education, Dong-Eui University, 995 Eomgwangno, Busanjin-gu, Busan 614-714, Republic of Korea
| | - Jin-Goo Ji
- Department of Physical Education, Dong-Eui University, 995 Eomgwangno, Busanjin-gu, Busan 614-714, Republic of Korea
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18
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Testosterone dose-response relationships in hysterectomized women with or without oophorectomy: effects on sexual function, body composition, muscle performance and physical function in a randomized trial. Menopause 2015; 21:612-23. [PMID: 24281237 DOI: 10.1097/gme.0000000000000093] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVE This study aims to determine the dose-dependent effects of testosterone on sexual function, body composition, muscle performance, and physical function in hysterectomized women with or without oophorectomy. METHODS Seventy-one postmenopausal women who previously underwent hysterectomy with or without oophorectomy and had total testosterone levels less than 31 ng/dL or free testosterone levels less than 3.5 pg/mL received a standardized transdermal estradiol regimen during the 12-week run-in period and were randomized to receive weekly intramuscular injections of placebo or 3, 6.25, 12.5, or 25 mg of testosterone enanthate for 24 weeks. Total and free testosterone levels were measured by liquid chromatography-tandem mass spectrometry and equilibrium dialysis, respectively. The primary outcome was change in sexual function measured by the Brief Index of Sexual Functioning for Women. Secondary outcomes included changes in sexual activity, sexual distress, Derogatis Interview for Sexual Functioning, lean body mass, fat mass, muscle strength and power, and physical function. RESULTS Seventy-one women were randomized; five groups were similar at baseline. Sixty-two women with analyzable data for the primary outcome were included in the final analysis. The mean on-treatment total testosterone concentrations were 19, 78, 102, 128, and 210 ng/dL in the placebo, 3-mg, 6.25-mg, 12.5-mg, and 25-mg groups, respectively. Changes in composite Brief Index of Sexual Functioning for Women scores, thoughts/desire, arousal, frequency of sexual activity, lean body mass, chest-press power, and loaded stair-climb power were significantly related to increases in free testosterone concentrations; compared with placebo, changes were significantly greater in women assigned to the 25-mg group, but not in women in the lower-dose groups. Sexual activity increased by 2.7 encounters per week in the 25-mg group. The frequency of androgenic adverse events was low. CONCLUSIONS Testosterone administration in hysterectomized women with or without oophorectomy for 24 weeks was associated with dose and concentration-dependent gains in several domains of sexual function, lean body mass, chest-press power, and loaded stair-climb power. Long-term trials are needed to weigh improvements in these outcomes against potential long-term adverse effects.
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Conceição MS, Bonganha V, Vechin FC, Berton RPDB, Lixandrão ME, Nogueira FRD, de Souza GV, Chacon-Mikahil MPT, Libardi CA. Sixteen weeks of resistance training can decrease the risk of metabolic syndrome in healthy postmenopausal women. Clin Interv Aging 2013; 8:1221-8. [PMID: 24072967 PMCID: PMC3783540 DOI: 10.2147/cia.s44245] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND The postmenopausal phase has been considered an aggravating factor for developing metabolic syndrome. Notwithstanding, no studies have as yet investigated the effects of resistance training on metabolic syndrome in postmenopausal women. Thus, the purpose of this study was to verify whether resistance training could reduce the risk of metabolic syndrome in postmenopausal women. METHODS Twenty postmenopausal women were randomly assigned to a resistance training protocol (n = 10, 53.40 ± 3.95 years, 64.58 ± 9.22 kg) or a control group (n = 10, 53.0 ± 5.7 years, 64.03 ± 5.03 kg). In the resistance training protocol, ten exercises were performed, with 3 × 8-10 maximal repetitions three times per week, and the load was increased every week. Two-way analysis of variance was used to evaluate specific metabolic syndrome Z-score, high density lipoprotein cholesterol, fasting blood glucose, triglycerides, waist circumference, blood pressure, strength, and body composition. The level of statistical significance was set at P < 0.05. RESULTS The main results demonstrated a significant decrease of metabolic syndrome Z-score when the postmenopausal women performed resistance training (P = 0.0162). Moreover, we observed decreases in fasting blood glucose for the resistance training group (P = 0.001), and also significant improvements in lean body mass (P = 0.042, 2.46%), reduction of body fat percentage (P = 0.001, -6.75%) and noticeable increases in muscle strength after resistance training to leg press (P = 0.004, 41.29%) and bench press (P = 0.0001, 27.23%). CONCLUSION It was concluded that resistance training performed three times a week may reduce the metabolic syndrome Z-score with concomitant decreases in fasting blood glucose, improvements in body composition, and muscle strength in postmenopausal women.
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Affiliation(s)
- Miguel Soares Conceição
- Exercise Physiology Laboratory, School of Physical Education, State University of Campinas, Campinas
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20
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Miyakoshi N, Hongo M, Mizutani Y, Shimada Y. Prevalence of sarcopenia in Japanese women with osteopenia and osteoporosis. J Bone Miner Metab 2013; 31:556-61. [PMID: 23515924 DOI: 10.1007/s00774-013-0443-z] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2012] [Accepted: 02/14/2013] [Indexed: 10/27/2022]
Abstract
Sarcopenia and osteoporosis are both significant health burdens among postmenopausal women. This study examined associations between sarcopenia and osteopenia/osteoporosis in Japanese women and evaluated the prevalence of sarcopenia in women with osteopenia and osteoporosis. A total of 2400 Japanese women aged 40-88 years underwent dual-energy x-ray absorptiometry (DXA) scans of the whole body, lumbar spine, and total hip. Osteopenia and osteoporosis were defined according to World Health Organization criteria using bone mineral density (BMD) of the lumbar spine or hip. Sarcopenia was defined as a relative skeletal muscle index (RSMI) more than 2 standard deviations below the mean for a young adult reference population, calculated as the appendicular skeletal muscle mass (ASM) obtained from whole-body DXA divided by height in meters squared (RSMI = ASM/height(2)). Significant and marginal/moderate positive correlations were observed between RSMI and lumbar spine/total hip BMDs (r = 0.197 and r = 0.274, respectively; p < 0.0001 each). The BMDs of the lumbar spine and total hip showed significant moderate negative correlations with age (r = -0.270 and r = -0.375, respectively; p < 0.0001 each), but RSMI showed no association with age in this population (r = 0.056). When osteopenia/osteoporosis was defined using lumbar spine BMD, prevalences of sarcopenia in subjects with normal BMD, osteopenia and osteoporosis were 10.4, 16.8, and 20.4 %, respectively. When osteopenia/osteoporosis was defined using total hip BMD, the prevalences of sarcopenia in these subjects were 9.0, 17.8, and 29.7 %, respectively. A Chi-square test for independence showed a significant association between sarcopenia and osteopenia/osteoporosis (p < 0.0001). These results indicate that sarcopenia is significantly associated with osteopenia and osteoporosis in Japanese women.
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Affiliation(s)
- Naohisa Miyakoshi
- Department of Orthopedic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita, 010-8543, Japan,
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García-Martín A, Reyes-García R, García-Castro JM, Muñoz-Garach A, Escobar-Jiménez F, Muñoz-Torres M. Gonadotropins Are Related to Lean Mass in Healthy Postmenopausal Women. Endocr Res 2013; 38:119-124. [PMID: 23167440 DOI: 10.3109/07435800.2012.733987] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND It has been suggested that the changes in hormone levels that occur with menopause and aging are related to loss of muscle mass. However, the role of gonadotropins in this process is unknown. OBJECTIVES To analyze the relationship between follicle-stimulating hormone (FSH) and luteinizing hormone (LH) and lean mass in a cohort of healthy women. METHODS This is a cross-sectional study including 91 postmenopausal women (48-65 years old). Serum FSH, LH, and estradiol (E2) were measured. Lean mass was estimated by bioelectrical impedance analysis and expressed as appendicular skeletal muscle mass (AMM) index. RESULTS AMM index was negatively correlated with FSH levels (r = -0.33, p = 0.001) and LH (r = -0.293, p = 0.005), while there was no association with E2. When muscle mass expressed as AMM index was stratified into tertiles, there were significant differences between the lowest and the highest tertile for both FSH (82.4 ± 30, vs. 67.9 ± 25.8 mIU/mL, p = 0.04) and LH (40.9 ± 15.2 vs. 36.1 ± 12.3 mIU/mL, p = 0.03). In logistic regression analysis adjusted for age and E2 levels, high concentrations of FSH (OR = 1.03, 95% CI = 1.01-1.05, p = 0.008) and LH (OR = 1.06, 95% CI = 1.01-1.1, p = 0.01) were risk factors for having lower lean mass expressed as AMM index. CONCLUSIONS Menopausal women with high levels of gonadotropins have lower levels of lean mass than those with lower gonadotropins levels.
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Affiliation(s)
- Antonia García-Martín
- a Bone Metabolic Unit, Endocrinology Division, Hospital Universitario San Cecilio , Granada, Spain
| | - Rebeca Reyes-García
- a Bone Metabolic Unit, Endocrinology Division, Hospital Universitario San Cecilio , Granada, Spain
| | | | - Araceli Muñoz-Garach
- c Endocrinology Division, Hospital Universitario Virgen de la Victoria , Malaga, Spain
| | - Fernando Escobar-Jiménez
- a Bone Metabolic Unit, Endocrinology Division, Hospital Universitario San Cecilio , Granada, Spain
| | - Manuel Muñoz-Torres
- a Bone Metabolic Unit, Endocrinology Division, Hospital Universitario San Cecilio , Granada, Spain
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22
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Duval K, Prud'homme D, Rabasa-Lhoret R, Strychar I, Brochu M, Lavoie JM, Doucet E. Effects of the menopausal transition on energy expenditure: a MONET Group Study. Eur J Clin Nutr 2013; 67:407-11. [PMID: 23422924 PMCID: PMC4977179 DOI: 10.1038/ejcn.2013.33] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Objectives Factors that influence weight gain during the menopausal transition are not fully understood. The purpose of this study was to investigate changes in energy expenditure (EE) across the menopausal transition. Methods One hundred and two premenopausal women (age: 49.9 ± 1.9 yrs; BMI: 23.3 ± 2.2 kg/m2) were followed for 5 years. Body composition (DXA), physical activity EE (accelerometer), resting EE and thermic effect of food (indirect calorimetry) were measured annually. Results Total EE decreased significantly over time in postmenopausal women (P < 0.05), which was mostly due to a decrease in physical activity EE (P < 0.05). Although average resting EE remained stable over time in postmenopausal women, a significant increase, over the 5-year period, was noted in women who were in the menopausal transition by year 5 (P < 0.05). Finally, the time spent in moderate physical activity decreased and the time spent in sedentary physical activity increased during the menopausal transition (P < 0.05). Conclusion These results suggest that menopausal transition is accompanied with a decline in EE mainly characterized by a decrease in physical activity EE and a shift to a more sedentary lifestyle.
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Affiliation(s)
- K Duval
- Institute of Population Health, University of Ottawa, Ottawa, Ontario, Canada
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Relationship of body mass index and body fat distribution with postural balance and risk of falls in Spanish postmenopausal women. Menopause 2013; 20:202-8. [DOI: 10.1097/gme.0b013e318261f242] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Lee BJ, Do JH, Kim JY. A classification method of normal and overweight females based on facial features for automated medical applications. J Biomed Biotechnol 2012; 2012:834578. [PMID: 22919277 PMCID: PMC3420233 DOI: 10.1155/2012/834578] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Accepted: 05/30/2012] [Indexed: 01/29/2023] Open
Abstract
Obesity and overweight have become serious public health problems worldwide. Obesity and abdominal obesity are associated with type 2 diabetes, cardiovascular diseases, and metabolic syndrome. In this paper, we first suggest a method of predicting normal and overweight females according to body mass index (BMI) based on facial features. A total of 688 subjects participated in this study. We obtained the area under the ROC curve (AUC) value of 0.861 and kappa value of 0.521 in Female: 21-40 (females aged 21-40 years) group, and AUC value of 0.76 and kappa value of 0.401 in Female: 41-60 (females aged 41-60 years) group. In two groups, we found many features showing statistical differences between normal and overweight subjects by using an independent two-sample t-test. We demonstrated that it is possible to predict BMI status using facial characteristics. Our results provide useful information for studies of obesity and facial characteristics, and may provide useful clues in the development of applications for alternative diagnosis of obesity in remote healthcare.
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Affiliation(s)
- Bum Ju Lee
- Division of Constitutional Medicine Research, Korea Institute of Oriental Medicine, Deajeon 305-811, Republic of Korea
| | - Jun-Hyeong Do
- Division of Constitutional Medicine Research, Korea Institute of Oriental Medicine, Deajeon 305-811, Republic of Korea
| | - Jong Yeol Kim
- Division of Constitutional Medicine Research, Korea Institute of Oriental Medicine, Deajeon 305-811, Republic of Korea
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McClure CK, Schwarz EB, Conroy MB, Tepper PG, Janssen I, Sutton-Tyrrell KC. Breastfeeding and subsequent maternal visceral adiposity. Obesity (Silver Spring) 2011; 19:2205-13. [PMID: 21720436 PMCID: PMC3610530 DOI: 10.1038/oby.2011.185] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Women gain visceral fat during pregnancy. Studies examining the impact of breastfeeding on maternal body composition are inconclusive. We examined the extent to which breastfeeding was associated with visceral adiposity in a sample of US women. This was a cross-sectional analysis of 351 women aged 45-58 years, who were free of clinical cardiovascular disease and had not used oral contraceptives or hormone replacement therapy in the 3 months prior to enrollment in the Study of Women's Health Across the Nation (SWAN)-Heart Study (2001-2003). History of breastfeeding was self-reported. Computed tomography was used to assess abdominal adiposity. Among premenopausal/early-peri-menopausal mothers, those who never breastfed had 28% greater visceral adiposity (95% confidence interval (CI): 11-49, P = 0.001), 4.7% greater waist-hip ratio (95% CI: 1.9-7.4, P < 0.001), and 6.49 cm greater waist circumference (95% CI: 3.71-9.26, P < 0.001) than mothers who breastfed all of their children for ≥3 months in models adjusting for study site; age; parity; years since last birth; socioeconomic, lifestyle, and family history variables; early adult BMI; and current BMI. In comparison to women who were nulliparous, mothers who breastfed all of their children for ≥3 months had similar amounts of visceral fat (P > 0.05). In contrast, premenopausal/early-peri-menopausal mothers who had never breastfed had significantly greater visceral adiposity (42% (95% CI: 17-70), P < 0.001), waist circumference (6.15 cm (95% CI: 2.75-9.56), P < 0.001), and waist-hip ratio (3.7% (95% CI: 0.69-6.8), P = 0.02) than nulliparous women. No significant relationships were observed among late peri-menopausal/postmenopausal women. In conclusion, until menopause, mothers who did not breastfeed all of their children for ≥3 months exhibit significantly greater amounts of metabolically active visceral fat than mothers who had breastfed all of their children for ≥3 months.
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Affiliation(s)
- Candace K McClure
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Sirola J, Kröger H. Similarities in acquired factors related to postmenopausal osteoporosis and sarcopenia. J Osteoporos 2011; 2011:536735. [PMID: 21904688 PMCID: PMC3166567 DOI: 10.4061/2011/536735] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2011] [Revised: 06/29/2011] [Accepted: 07/01/2011] [Indexed: 12/15/2022] Open
Abstract
Postmenopausal population is at increased risk of musculoskeletal impairments. Sarcopenia and osteoporosis are associated with significant morbidity and social and health-care costs. These two conditions are uniquely linked with similarities in pathophysiology and diagnostic methods. Uniform diagnostic criteria for sarcopenia are still evolving. Postmenopausal sarcopenia and osteoporosis share many environmental risk- and preventive factors. Moreover, geriatric frailty syndrome may result from interaction of osteoporosis and sarcopenia and may lead to increased mortality. The present paper reviews the factors in evolution of postmenopausal sarcopenia and osteoporosis.
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Affiliation(s)
- Joonas Sirola
- Department of Orthopedics, Traumatology and Hand Surgery, Kuopio University Hospital, 70211 Kuopio, Finland
- Bone and Cartilage Research Unit (BCRU), University of Eastern Finland, 70211 Kuopio, Finland
| | - Heikki Kröger
- Department of Orthopedics, Traumatology and Hand Surgery, Kuopio University Hospital, 70211 Kuopio, Finland
- Bone and Cartilage Research Unit (BCRU), University of Eastern Finland, 70211 Kuopio, Finland
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27
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Kawamura Y, Yanazume Y, Kuwahata A, Yonehara Y, Iwamoto I, Tsuji T, Douchi T. Relative contribution of weight-bearing and non-weight-bearing effect of adipose tissue to bone mineral density in postmenopausal women. J Obstet Gynaecol Res 2011; 37:319-24. [DOI: 10.1111/j.1447-0756.2010.01352.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Messier V, Rabasa-Lhoret R, Barbat-Artigas S, Elisha B, Karelis AD, Aubertin-Leheudre M. Menopause and sarcopenia: A potential role for sex hormones. Maturitas 2011; 68:331-6. [PMID: 21353405 DOI: 10.1016/j.maturitas.2011.01.014] [Citation(s) in RCA: 224] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2011] [Accepted: 01/23/2011] [Indexed: 12/25/2022]
Abstract
Menopause is associated with a decline in estrogen levels, which could lead to an increase in visceral adiposity as well as a decrease in bone density, muscle mass and muscle strength. This decline in muscle mass, known as sarcopenia, is frequently observed in postmenopausal women. Potential causes of sarcopenia include age-related changes in the hormonal status, low levels of physical activity, reduced protein intake and increased oxidative stress. However, the role of sex hormones, specifically estrogens, on the onset of sarcopenia is controversial. Preventing sarcopenia and preserving muscle strength are highly relevant in order to prevent functional impairment and physical disability. To date, resistance training has been shown to be effective in attenuating age-related muscle loss and strength. However, results on the effect of hormonal supplementation to treat or prevent sarcopenia are contradictory. Further research is needed to identify other potential mechanisms of sarcopenia as well as effective interventions for the prevention and treatment of sarcopenia. Therefore, the purpose of this review will be to examine the role of sex hormonal status in the development of sarcopenia. We will also overview the physical as well as metabolic consequences of sarcopenia and the efficiency of different interventions for the prevention and treatment of sarcopenia.
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Affiliation(s)
- Virginie Messier
- Institut de Recherches Cliniques de Montréal, 110, avenue des Pins Ouest, Montreal, Quebec, Canada H2W 1R7
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Monteiro MA, Gabriel RC, Sousa MF, Castro MNE, Moreira MH. Temporal parameters of the foot roll-over during walking: Influence of obesity and sarcopenic obesity on postmenopausal women. Maturitas 2010; 67:178-85. [DOI: 10.1016/j.maturitas.2010.06.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2010] [Revised: 06/09/2010] [Accepted: 06/11/2010] [Indexed: 12/11/2022]
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Dionyssiotis Y, Galanos A, Michas G, Trovas G, Lyritis GP. Assessment of musculoskeletal system in women with jumping mechanography. Int J Womens Health 2010; 1:113-8. [PMID: 21072281 PMCID: PMC2971710 DOI: 10.2147/ijwh.s5889] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2009] [Indexed: 12/25/2022] Open
Abstract
The purpose of this study was to investigate and add reference data about the musculoskeletal system in women. The mechanography system of the Leonardo™ platform (Novotec, Germany) was used to measure parameters of movement (velocity, force, power) in 176 healthy Greek women aged 20–79 years, separated according to age decade in six groups: group 1 (n = 12), 20–29 years; group 2 (n = 14), 30–39 years; group 3 (n = 33), 40–49 years; group 4 (n = 59), 50–59 years including 21 postmenopausal; group 5 (n = 31), 60–69 years including 12 postmenopausal; and group 6 (n = 27), 70–79 years all postmenopausal. This system measures forces applied to the plate over time, calculates through acceleration the vertical velocity of center of gravity and using force and velocity it calculates power of vertical movements. All women performed a counter-movement jump (brief squat before the jump) with freely moving arms. Weight was recorded on the platform before the jump and height was measured with a wall-mounted ruler. Body weight and body mass index were gradually increased; on the contrary height and all movement parameters except force (velocity, power) were statistically decreased during aging and after menopause.
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Affiliation(s)
- Yannis Dionyssiotis
- Laboratory for Research of the Musculoskeletal System, University of Athens, KAT Hospital, Kifissia, Greece
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Sutton-Tyrrell K, Zhao X, Santoro N, Lasley B, Sowers M, Johnston J, Mackey R, Matthews K. Reproductive hormones and obesity: 9 years of observation from the Study of Women's Health Across the Nation. Am J Epidemiol 2010; 171:1203-13. [PMID: 20427327 PMCID: PMC2915490 DOI: 10.1093/aje/kwq049] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2009] [Accepted: 02/18/2010] [Indexed: 12/27/2022] Open
Abstract
The effect of change in reproductive hormones and menopause on incident obesity (body mass index > or =30 kg/m(2)) and severe obesity (body mass index > or =35 kg/m(2)) was evaluated over 9 years in 3,260 US women recruited in the multiethnic Study of Women's Health Across the Nation in 1996-1997. After 9 years, cumulative incidences of obesity and severe obesity reached 21.8% and 12.3%, respectively. In multivariate analysis, hormone changes, chronic health conditions, lower physical activity, race/ethnicity, and age were significantly associated with incident obesity and/or severe obesity. The odds of incident severe obesity increased with surgical menopause (odds ratio (OR) = 5.07, 95% confidence interval (CI): 2.29, 11.20; P < 0.001) and initiation of hormone therapy prior to 12 months of amenorrhea (OR = 2.94, 95% CI: 1.14, 7.58; P = 0.03). Predictors of obesity included an increase in free androgen index (OR = 1.37, 95% CI: 1.12, 1.68; P = 0.002) and a decrease in sex hormone-binding globulin (OR = 0.60, 95% CI: 0.45, 0.80; P = 0.0005). Similar results were found for severe obesity. Obesity rates varied by race, but no hormone-by-race interactions were observed. These longitudinal data demonstrate that higher androgens, lower sex hormone-binding globulin, surgical menopause, and early hormone therapy use predict incident obesity and/or severe obesity in a multiracial cohort of women transitioning into menopause.
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Affiliation(s)
- Kim Sutton-Tyrrell
- Department of Epidemiology, University of Pittsburgh, Pennsylvania 15261, USA.
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Type 2 diabetes mellitus and other cardiovascular risk factors are no more common during menopause: longitudinal study. Menopause 2009; 16:817-21. [PMID: 19387417 DOI: 10.1097/gme.0b013e31819d4113] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The aim of this study was to undertake a prospective study of the changes in certain risk factors for cardiovascular disease occurring during menopause. METHODS A longitudinal cohort study of 475 women was followed up for 6 years (Pizarra Study). The final menstrual period was defined after at least 6 months of amenorrhea. The women were classified into three groups: group 1, no menopause at either the first or second study; group 2, no menopause at the first study but menopause at the second study (6 y later); and group 3, menopause at the first study (and also at the second). The following are the main outcome measures used: age; body mass index; waist circumference; waist-to-hip ratio; skinfold thickness; arm circumference; intake of macronutrients (quantitative questionnaire); systolic and diastolic blood pressures; cholesterol, triglycerides; high-density lipoprotein cholesterol; uric acid; homeostasis model assessment of insulin resistance; and the prevalence of obesity, hypertension, type 2 diabetes mellitus, impaired glucose tolerance, and impaired fasting glucose. RESULTS None of the cardiovascular risk factors studied changed during the passage from premenopause to postmenopause, independently of age or physical activity. CONCLUSIONS Menopause is a biological condition of the human species, for which has recently received attempts at medicalization that were not always justified. If menopause is not accompanied by any other cardiovascular risk factor independently of age, the stigma of menopause being considered a risk factor should cease. Although the results have the strength of a prospective study, the sample size forced us to consider these findings as preliminary.
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Abstract
Many postmenopausal women live with diabetes mellitus; however, little information is available about how the changes that occur around the time of menopause might uniquely affect management of diabetes mellitus in this population. Although the weight gain that commonly occurs during the menopausal transition is largely attributable to aging rather than the transition itself, changes in body composition have been independently associated with menopausal status. These changes in body composition have, in turn, been associated with alterations in insulin sensitivity and glucose metabolism in postmenopausal women. Hormone therapy seems to have neutral or beneficial effects on the adverse changes in body composition associated with menopause. Whether menopausal status independently influences diabetes risk remains controversial. Nevertheless, consistent findings from large clinical trials suggest that postmenopausal hormone therapy decreases the risk of developing diabetes mellitus. Similarly, many studies suggest that postmenopausal hormone therapy has neutral or beneficial effects on glycemic control among women already diagnosed as having diabetes mellitus. Future studies are needed to elucidate the mechanisms that underlie these relationships and to determine how these observations should influence recommendations for the care of postmenopausal women with diabetes mellitus.
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Affiliation(s)
- Emily D Szmuilowicz
- Division of Endocrinology, Metabolism and Molecular Medicine, Northwestern University, Chicago, IL, USA
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Buford TW, Cooke MB, Willoughby DS. Resistance exercise-induced changes of inflammatory gene expression within human skeletal muscle. Eur J Appl Physiol 2009; 107:463-71. [PMID: 19669788 DOI: 10.1007/s00421-009-1145-z] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2009] [Indexed: 01/06/2023]
Abstract
Aberrant local inflammatory signaling within skeletal muscle is now considered a contributing factor to the development of sarcopenia. Recent evidence indicates that chronic resistance training contributes to the control of locally derived inflammation via adaptations to repeated, acute increases in pro-inflammatory mRNA within muscle. However, only a limited number of gene transcripts related to the inflammatory process have been examined in the literature. The present study utilized an acute bout to examine the effects of resistance exercise on several inflammatory-related genes in 24 physically active, post-menopausal women not currently undergoing hormone replacement therapy. Following a standard warm-up, participants completed a lower-body resistance exercise bout consisting of 3 sets of 10 repetitions on machine squat, leg press, and leg extension exercises (80% intensity). Muscle biopsies were obtained from the vastus lateralis of the dominant leg at baseline and 3 h following exercise. Significant (p < 0.05) up-regulation in mRNA content was observed for TNFalpha, IL1beta, IL6, IL8, SOCS2, COX2, SAA1, SAA2, IKKB, cfos, and junB. Muscle mRNA content was not significantly altered at the 0.05 level for IL2, IL5, IL10, or IL12 (p35). Venous blood samples were also obtained at baseline as well as at 3, 24, and 48 h post-exercise. Serum was analyzed for circulating TNFalpha, IL1beta, IL6, IL8, COX2, and SAA with no significant changes observed. These results indicate that resistance exercise is capable of up-regulating transcription of numerous inflammatory mediators within skeletal muscle, and these appear to be worthy of future examination in chronic studies.
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Affiliation(s)
- Thomas W Buford
- Division of Medicine, Department of Aging and Geriatric Research, Institute on Aging, University of Florida, Gainesville, FL, USA
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Messier V, Karelis AD, Lavoie ME, Brochu M, Faraj M, Strychar I, Rabasa-Lhoret R. Metabolic profile and quality of life in class I sarcopenic overweight and obese postmenopausal women: a MONET study. Appl Physiol Nutr Metab 2009; 34:18-24. [PMID: 19234581 DOI: 10.1139/h08-135] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Sarcopenia is believed to be associated with disability and metabolic complications. The objective of this study was to examine the metabolic and quality-of-life profile of sarcopenic overweight and obese postmenopausal women. In this cross-sectional study of 136 healthy overweight and obese postmenopausal women, 9 class I sarcopenic women were identified. Class I sarcopenia was defined as an appendicular lean body mass index (ALBMI) <or= 6.44 kg.m(-2) (appendicular lean body mass/height). Outcome measures were body composition (dual energy X-ray absorptiometry and computed tomography), blood lipids, inflammation markers, blood pressure, insulin sensitivity (homeostasis model assessment and hyperinsulinemic-euglycemic clamp), cardiorespiratory fitness, and quality of life (Medical Outcomes Study General Health Survey questionnaire). By design, class I sarcopenic women (n = 9) had a significantly lower ALBMI and appendicular lean body mass than nonsarcopenic women (n = 127). In addition, class I sarcopenic women tended to have lower levels of insulin resistance (p = 0.070) and fasting glucose (p = 0.054). However, no difference between the groups was observed for quality of life. This study showed that, in our sample of class I sarcopenic overweight and obese postmenopausal women, subjects did not present an unfavourable metabolic or quality-of-life profile, compared with nonsarcopenic overweight and obese postmenopausal women.
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Affiliation(s)
- Virginie Messier
- Département de Nutrition, Université de Montréal, 2405, chemin Cote Ste-Catherine, Montreal, QCH3T1A8, Canada
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Dietary and lifestyle predictors of age at natural menopause and reproductive span in the Shanghai Women's Health Study. Menopause 2009; 15:924-33. [PMID: 18600186 DOI: 10.1097/gme.0b013e3181786adc] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
OBJECTIVE Modifiable factors predicting the onset of menopause, a transition with important implications for women's health, have not been fully characterized. We evaluated the impact of dietary, lifestyle and reproductive factors on age at natural menopause and reproductive span in Chinese women. DESIGN Study participants were Chinese women aged 40 to 70 who experienced natural menopause and participated in a population-based, prospective study, the Shanghai Women's Health Study (N = 33,054). Dietary intake at the baseline survey was assessed by food-frequency questionnaire. Regression (beta) coefficients, calculated by multivariable linear regression, were used to estimate the effects of dietary, lifestyle, and reproductive patterns on age at menopause and the number of reproductive years, adjusting for potential confounding factors. RESULTS Early menarche, younger age at first live birth, older age at last live birth, longer duration of breast-feeding, and higher parity were associated with longer reproductive years (Ptrend < 0.01 for all). Higher body mass index at age 20, mid-life weight gain, and leisure-time physical activity during adolescence and adulthood predicted later menopause and longer reproductive span (Ptrend < 0.01 for all). Total intake of calories, fruits, and protein was positively associated with later menopause (Ptrend < 0.05 for all) and longer reproductive span (Ptrend < 0.05), except for carbohydrates (Ptre(nd) = 0.06), and long-term tea consumption predicted longer reproductive span (Ptrend = 0.03). Vegetable, fat, soy, and fiber intakes did not significantly affect reproductive span or age at menopause. Smoking was inversely associated with both early age at menopause and shorter reproductive span (Ptrend < 0.01). CONCLUSIONS In addition to reproductive factors, intake of fruits and protein, smoking, tea consumption, lifetime patterns of physical activity, and weight gain influenced the onset of menopause and/or reproductive span in Chinese women.
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Pettee KK, Storti KL, Conroy MB, Ainsworth BE. A Lifestyle Approach for Primary Cardiovascular Disease Prevention in Perimenopausal to Early Postmenopausal Women. Am J Lifestyle Med 2008. [DOI: 10.1177/1559827608320132] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Cardiovascular disease (CVD) is the leading cause of death among women in the United States. A large proportion of deaths attributable to CVD occur in asymptomatic women, making early detection and diagnosis difficult. As a result, women tend to be diagnosed at later stages of disease when compared with men. In addition, women have not experienced as great a decline in CVD mortality in recent decades as have men. Therefore, the development of primary CVD prevention strategies to decrease the CVD risk in women has become a major public health priority and creates the need for alternate strategies to be developed to decrease CVD risk in women. The success of a nonpharmacological, lifestyle approach for primary CVD prevention has recently been demonstrated in perimenopausal to early postmenopausal women. Two clinical trials, the Women's Healthy Lifestyle Project (WHLP) and Women On the Move through Activity and Nutrition (WOMAN) study, examined the role of lifestyle to prevent unfavorable CVD risk factor changes that typically occur as a woman transitions through menopause. In both studies, a lifestyle intervention approach, with modest dietary restrictions and increased leisure physical activity, was effective for weight loss and/or weight maintenance and CVD risk factor reduction. More research is needed to determine the long-term benefits of a lifestyle intervention to prevent CVD in women. The existing evidence suggests that the promotion of healthy lifestyle practices by health care providers is a valuable strategy for CVD risk factor reduction in women transitioning through menopause.
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Affiliation(s)
- Kelley K. Pettee
- Department of Exercise and Wellness, Arizona State University, Mesa
| | | | - Molly B. Conroy
- Department of Medicine University of Pittsburgh, Pittsburgh, Pennsylvania
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Lee CE, McArdle A, Griffiths RD. The role of hormones, cytokines and heat shock proteins during age-related muscle loss. Clin Nutr 2007; 26:524-34. [PMID: 17590243 DOI: 10.1016/j.clnu.2007.05.005] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2006] [Revised: 03/20/2007] [Accepted: 05/16/2007] [Indexed: 01/04/2023]
Abstract
Ageing is associated with a progressive decline of muscle mass, strength, and quality, a condition known as sarcopenia. Due to the progressive ageing of western populations, age-related sarcopenia is a major public health problem. Several possible mechanisms for age-related muscle atrophy have been described; however the precise contribution of each is unknown. Age-related muscle loss is thought to be a multi-factoral process composed of events such as physical activity, nutritional intake, oxidative stress, inflammatory insults and hormonal changes. There is a need for a greater understanding of the loss of muscle mass with age as this could have a dramatic impact on the elderly and critically ill if this research leads to maintenance or improvement in functional ability. This review aims to outline the process of skeletal muscle degeneration with ageing, normal and aberrant skeletal muscle regeneration, and to address recent research on the effects of gender and sex steroid hormones during the process of age-related muscle loss.
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Affiliation(s)
- Claire E Lee
- School of Clinical Sciences, Faculty of Medicine, University of Liverpool, Liverpool L69 3GA, UK
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Morita Y, Iwamoto I, Mizuma N, Kuwahata T, Matsuo T, Yoshinaga M, Douchi T. Precedence of the shift of body-fat distribution over the change in body composition after menopause. J Obstet Gynaecol Res 2006; 32:513-6. [PMID: 16984520 DOI: 10.1111/j.1447-0756.2006.00437.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
AIM This study investigated the sequence of certain phenomena after menopause: decrease in bone mineral density (BMD), change in body composition (lean and fat components), and the shift toward upper body fat distribution. METHODS Subjects were 188 postmenopausal women aged 50-65 years old. They were divided into four subgroups based on 4-year increments in age. Regularly menstruating women (n = 51) aged 50-53 years old served as controls. Age, height, weight, and years since menopause were recorded. Body fat mass, percentage of body fat (%fat), lean body mass (LBM), lumbar spine (L2-4), total body BMD, and the trunk-leg fat mass ratio were measured by dual-energy X-ray absorptiometry. RESULTS In postmenopausal women (n = 42) aged 50-53 years, BMD was lower compared to age-matched controls (P < 0.05), while other variables did not differ. Trunk-leg fat mass ratio in women aged 54-57 years or more was significantly higher than that in control. LBM was significantly lower while percentage fat was significantly higher in women aged 58-61 years old or more. CONCLUSION An initial event during the menopausal process is BMD loss, which is followed by body fat distribution shift, then LBM loss and reciprocal increase in body fat mass.
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Affiliation(s)
- Youichiro Morita
- Department of Obstetrics and Gynecology, Kagoshima University, Medical and Dental Hospital, Kagoshima, Japan
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Mizuma N, Mizuma M, Yoshinaga M, Iwamoto I, Matsuo T, Douchi T, Osame M. Difference in the relative contribution of lean and fat mass components to bone mineral density with generation. J Obstet Gynaecol Res 2006; 32:184-9. [PMID: 16594922 DOI: 10.1111/j.1447-0756.2006.00384.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIM To investigate whether the relative contribution of body composition (lean and fat mass component) to bone mineral density (BMD) differs depending on generation or menopause. METHODS Subjects were 302 premenopausal women aged 30-49 years old and 197 postmenopausal women aged 50-69 years old. They were classified into four subgroups with 10-year increments. Age, height, weight and years since menopause (YSM) were recorded. Lumbar spine (L2-4), total body BMD, body fat mass, lean body mass (LBM), and the percentage of body fat (%fat) were measured using dual-energy X-ray absorptiometry. The correlation of body composition with BMD was investigated. RESULTS The mean age at menopause was 50.2 +/- 4.1 years old. On Pearson's correlation test, LBM was positively correlated with BMD of the two sites in all groups. In a group aged 60-69 years, both the %fat and body fat mass were correlated with BMD. On multiple regression analysis, LBM was the principal BMD determinant in women aged less than 60 years, while body fat mass and percentage fat were the principal BMD determinants in women aged 60-69 years. Mean %fat in the group aged 60-69 years was 35.5 +/- 7.3%, which was significantly higher than that in the group aged 50-59 years (33.0 +/- 6.7%, P < 0.05). CONCLUSION Although LBM still influences BMD up to 10 years after menopause, the body fat mass initially influences BMD after 60 years of age. These difference may be attributable to certain aging-related factor(s).
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Donato GB, Fuchs SC, Oppermann K, Bastos C, Spritzer PM. Association between menopause status and central adiposity measured at different cutoffs of waist circumference and waist-to-hip ratio. Menopause 2006; 13:280-5. [PMID: 16645541 DOI: 10.1097/01.gme.0000177907.32634.ae] [Citation(s) in RCA: 113] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To assess the association between menopause status and central adiposity measured using two different cutoffs of waist circumference and waist-to-hip ratio, while controlling for body mass index and other confounding factors. DESIGN Cross-sectional study of a representative population-based sample of 358 women from Passo Fundo, Southern Brazil. Medical students performed standardized interviews and anthropometric measurements under supervision. Menopause status was categorized as premenopausal for those with no change in menstrual frequency or flow; menopause transition for those who had these changes; and postmenopausal after 12 months of amenorrhea or bilateral oophorectomy. Obesity was defined by body mass index (BMI) equal or greater than 30 kg/m, whereas central adiposity was defined as a waist circumference equal or greater than 80 or 88 cm and a waist-to-hip-ratio equal or greater than 0.80 or 0.86. RESULTS The anthropometric assessment showed that compared with postmenopausal women, premenopausal women were taller, had a thinner waist circumference, and had a lower waist-to-hip ratio. Postmenopausal women had five times the chance of having central adiposity than premenopausal women, even after controlling for BMI and other confounding factors. Women in the menopause transition had an increased BMI, but there was no independent association with central obesity. CONCLUSION Postmenopausal women are at greater risk of central adiposity as detected by both waist circumference and waist-to-hip ratio.
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Affiliation(s)
- Giovana B Donato
- Postgraduate Program in Medicine: Medical Sciences, School of Medicine, Federal University of Rio Grande do Sul, RS, Brazil
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Kenny AM, Kleppinger A, Wang Y, Prestwood KM. Effects of ultra-low-dose estrogen therapy on muscle and physical function in older women. J Am Geriatr Soc 2006; 53:1973-7. [PMID: 16274381 DOI: 10.1111/j.1532-5415.2005.53567.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To determine the effects of ultra-low-dose hormone therapy on muscle mass and physical function in community-dwelling women. DESIGN Double-blind, placebo-controlled trial. SETTING Clinical research center in Connecticut. PARTICIPANTS Healthy, community-dwelling women aged 65 and older (n=167). INTERVENTION Eligible women were randomly assigned to treatment with 0.25 mg 17-beta estradiol or placebo for 36 months. All women (estradiol or placebo) with an intact uterus received micronized progesterone 100 mg/d for 2 weeks every 6 months. All participants received 1,300 mg elemental calcium with 1,000 IU vitamin D per day. MEASUREMENTS Appendicular skeletal muscle mass (ASM), lean body mass (LBM), and percentage body fat were measured using dual x-ray absorptiometry. Sarcopenia was defined as skeletal muscle mass (ASM/height2) 2 standard deviations or less than young, healthy reference population mean. Physical activity (Physical Activity Scale in the Elderly (PASE)) and performance were measured. Serum estrone, estradiol, and sex hormone-binding globulin were measured. RESULTS The prevalence of sarcopenia at baseline was 13%. There were no baseline differences between groups except for PASE score and chair rise time, in which the estrogen group had better performance. No changes in ASM, LBM, percentage of body fat, or physical performance were found after 3 years of estrogen therapy. CONCLUSION Sarcopenia was present in 13% of this group of community-dwelling, postmenopausal older women. Ultra-low-dose estrogen therapy neither improves nor harms ASM. Similarly, no changes in body fat or physical performance were detected.
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Affiliation(s)
- Anne M Kenny
- Center on Aging, University of Connecticut Health Center, Farmington, Connecticut 06030, USA.
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Kok L, Kreijkamp-Kaspers S, Grobbee DE, Lampe JW, van der Schouw YT. Soy isoflavones, body composition, and physical performance. Maturitas 2006; 52:102-10. [PMID: 16186072 DOI: 10.1016/j.maturitas.2005.01.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2004] [Revised: 12/08/2004] [Accepted: 01/11/2005] [Indexed: 10/25/2022]
Abstract
OBJECTIVES Physiologic changes, occurring during the process of aging, can have serious health consequences, such as increased risk of chronic disease and disability. Decline in estradiol levels after menopause is hypothesized to contribute to this risk. Thus, hormone therapy (HT) might prevent or delay those changes. However, HT has serious side effects and alternative approaches are needed. METHODS We performed a 12-month double-blind randomized trial comparing soy protein containing 99mg isoflavones (aglycone weights) with milk protein (placebo) daily in 202 postmenopausal women aged 60-75 years. Endpoints were body composition, and physical performance. Randomization resulted in reasonable well-balanced groups, 153 (76%) women completed the trial. Compliance was good (plasma genistein levels 55 +/- 101 and 1259 +/- 1610 nmol/L for placebo and soy group, respectively). The changes in the endpoints during the intervention period among the two intervention groups were analyzed. RESULTS Body mass index (BMI) and waist-to-hip ratio did not change during intervention. Handgrip strength at the final visit was slightly worse in the soy group compared to the placebo group (-0.45 kg (95% C.I.: -2.5, 1.6 kg; p = 0.7), but this difference was not statistically significant. Self-reported functional status, mobility and physical performance, all slightly improved during intervention but there were no differences between the groups. CONCLUSIONS The results of the present trial do not support the view that soy isoflavones have favorable effects on body composition and physical performance in postmenopausal women.
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Affiliation(s)
- Linda Kok
- The Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, The Netherlands
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Walsh MC, Hunter GR, Livingstone MB. Sarcopenia in premenopausal and postmenopausal women with osteopenia, osteoporosis and normal bone mineral density. Osteoporos Int 2006; 17:61-7. [PMID: 15995793 DOI: 10.1007/s00198-005-1900-x] [Citation(s) in RCA: 131] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2004] [Accepted: 03/15/2005] [Indexed: 12/25/2022]
Abstract
Sarcopenia, the decline of muscle mass with age, causes impaired gait, disability and falls. It may therefore increase the risk of fracture for osteoporotic women. The aims of this study were to determine the prevalence of sarcopenia in osteopenic and osteoporotic women, and to determine if hormone replacement therapy (HRT), diet, or physical activity (PA) has a role in the prevention of sarcopenia. One hundred and thirty-one premenopausal and 82 postmenopausal (54 taking HRT) healthy women (17-77 years) volunteered for the study. Body composition was measured by dual X-ray absorptiometry (DXA). Sarcopenia was defined as a relative skeletal muscle index (RSMI) (appendicular skeletal muscle mass divided by height) below 5.45 kg/m2. Osteopenia was defined by a densitometric t-score for bone mineral density (BMD) (g/cm2) below -1.0 and osteoporosis by a t-score below -2.5. Nutrient intake was assessed using 3-day food records and physical activity (PA) was measured using the Baecke Physical Activity Questionnaire. Pearson chi-squared, independent t-tests, simple correlation and multiple regression were used to analyze the data. In premenopausal osteopenic women the prevalence of sarcopenia was 12.5%. In postmenopausal women it was 25% for those with osteopenia, and 50% for those with osteoporosis. PA was independently related to RSMI (beta=0.222, p=0.0001), but diet and HRT were not. After adjusting for PA, RSMI was not significantly related to BMD. These data suggest that the relationship between RSMI, BMD and risk of osteoporosis may largely be mediated through participation in PA. Sarcopenia screening simultaneous to BMD examinations by DXA, may be of value in identifying osteoporotic women with sarcopenia, a group that may be most in need of exercise interventions to increase muscle and BMD.
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Affiliation(s)
- Marianne C Walsh
- Northern Ireland Centre for Diet and Health, University of Ulster, Coleraine, Co. Londonderry, Northern Ireland, BT52 1SA, UK
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Sternfeld B, Bhat AK, Wang H, Sharp T, Quesenberry CP. Menopause, Physical Activity, and Body Composition/Fat Distribution in Midlife Women. Med Sci Sports Exerc 2005; 37:1195-202. [PMID: 16015138 DOI: 10.1249/01.mss.0000170083.41186.b1] [Citation(s) in RCA: 96] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
PURPOSE Hormonal changes associated with menopause, chronological aging, and lifestyle, specifically physical activity, may all influence the changes in body composition and fat distribution experienced by midlife women. This cross-sectional study examined those relations in a representative sample of 248 white and Chinese women, ages 47-57, participating in an ancillary study to the Study of Women's Health Across the Nation (SWAN), a multi-center, longitudinal investigation of the natural history of the menopause in a racially/ethnically diverse cohort. METHODS Body composition (lean mass, percent body fat) was assessed with dual energy x-ray absorptiometry, and central adiposity was determined by waist circumference. Physical activity was assessed from 7 d of accelerometer recordings. Menopausal status was based on self-reported bleeding patterns. RESULTS Higher levels of physical activity, particularly vigorous-intensity activity, were generally independently associated with decreased percent body fat and smaller waist circumference, although these findings were not statistically significant in the Chinese women. Among the white women, every half a standard deviation increase in total activity was associated with a 1.6-point decrease in percent body fat (P = 0.002). Waist circumference decreased from 96.2 cm (SE = 1.04) in those doing no vigorous-intensity activity to 81.4 cm (SE = 1.05) in those doing 10 min or more a day (P for trend = 0.05). For both the whites and the Chinese, late peri- and postmenopausal status was associated with lower lean mass, and among the Chinese, tended to be associated with higher percent body fat. CONCLUSION These findings suggest that regular physical activity may help to mitigate the tendency for weight gain and adverse changes in body composition and fat distribution that accompany aging and the menopausal transition.
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Sipilä S. Body composition and muscle performance during menopause and hormone replacement therapy. J Endocrinol Invest 2003; 26:893-901. [PMID: 14964443 DOI: 10.1007/bf03345241] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Menopausal transition is characterized by ovarian failure and its consequent decrease in female sex steroid production. Earlier studies suggest that an increase and redistribution of body fat during menopause predispose women to cardiovascular disease and metabolic syndrome. In addition, peri- and post-menopausal women seem to have less lean body mass (LBM) compared with pre-menopausal women. Accordingly, a changing ovarian hormonal status may accelerate the loss of muscle mass and result in decreased muscle performance and functional capacity. Hormone replacement therapy (HRT) has been used to treat menopausal symptoms and as a primary prevention therapy in chronic conditions. Inconsistent findings have, however, been published on the effects of HRT on body composition in post-menopausal women. Some studies clearly suggest that HRT counteracts menopause-related changes in body composition whereas others fail to show any difference between post-menopausal HRT users and abstainers. Although cross-sectional studies show conflicting results concerning the association between HRT and muscle performance, experimental trials suggest that deterioration in muscle force during menopause can be prevented by HRT. In the future, longitudinal data need to be collected to confirm changes in body composition and muscle performance during menopausal transition irrespective of age. Although HRT seems to have beneficial effects on body composition and muscle performance in healthy post-menopausal women, there is considerable variation in the effects of HRT between different studies. The underlying mechanism of HRT action on muscle performance is still unclear.
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Affiliation(s)
- S Sipilä
- Department of Health Sciences, University of Jyväskylä, Finland.
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Dobs AS, Nguyen T, Pace C, Roberts CP. Differential effects of oral estrogen versus oral estrogen-androgen replacement therapy on body composition in postmenopausal women. J Clin Endocrinol Metab 2002; 87:1509-16. [PMID: 11932273 DOI: 10.1210/jcem.87.4.8362] [Citation(s) in RCA: 82] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
Menopause is associated with decreased lean body mass and increased fat due to aging and declining hormone secretion. Estrogens or estrogen-progestins have been used to alleviate vasomotor symptoms. However, estrogen-androgen (E/A) therapy is also used for vasomotor symptom relief and has been shown to increase lean body mass while decreasing fat mass. The objective of this 16-wk, double-blind, randomized, parallel group clinical trial was to compare esterified estrogen plus methyltestosterone (1.25 mg estrogen + 2.5 mg methyltestosterone/d; E/A group) vs. esterified estrogen alone (1.25 mg/d; E group) on body composition. Forty postmenopausal women (mean age, 57 yr) participated. Compared with estrogen treatment alone, women in the E/A group increased their total lean body mass and reduced their percentage fat for all body parts (P < 0.05). After E/A treatment, there were statistically significant increases in lean body mass by 1.232 kg [0.181 +/- 0.004, 0.81 +/- 0.057, and 0.24 +/- 0.009 kg in the upper body (P = 0.021), trunk (P = 0.001), and lower body (P = 0.047), respectively]. In the E group, the increase was 0.31 +/- 0.004, 0.021 +/- 0.03, and 0.056 +/- 0.05 kg in the upper body, trunk, and lower body, respectively. In the E/A group, body fat was reduced by 0.90 kg (P = 0.18 for the trunk only), and percentage body fat declined by 7.4% (P < or = 0.05 for all body parts). Lower body strength increased by 23.1 kg (51 lb) in the E/A group vs. only 11 kg (24.25 lb) in the E group (P = 0.002 between groups). A statistically significant increase in weight (2.7 +/- 5.1 vs. 0.1 +/- 4.6 lb; P < 0.05) was observed in the E/A group compared with the E group. When subjects were given self-reporting questionnaires, more improvement was noted in sexual functioning and quality of life in the E/A group when compared with patients receiving E alone. There were no noteworthy side effects. In conclusion, E/A replacement therapy can improve body composition, lower-body muscle strength, quality of life, and sexual functioning in postmenopausal women.
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Affiliation(s)
- Adrian S Dobs
- Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA.
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Sørensen MB, Rosenfalck AM, Højgaard L, Ottesen B. Obesity and sarcopenia after menopause are reversed by sex hormone replacement therapy. OBESITY RESEARCH 2001; 9:622-6. [PMID: 11595778 DOI: 10.1038/oby.2001.81] [Citation(s) in RCA: 148] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Menopause is linked to an increase in fat mass and a decrease in lean mass exceeding age-related changes, possibly related to reduced output of ovarian steroids. In this study we examined the effect of combined postmenopausal hormone replacement therapy (HRT) on the total and regional distribution of fat and lean body mass. RESEARCH METHODS AND PROCEDURES Sixteen healthy postmenopausal women (age: 55 +/- 3 years) were studied in a placebo-controlled, crossover study and were randomized to 17beta estradiol plus cyclic norethisterone acetate (HRT) or placebo in two 12-week periods separated by a 3-month washout. Total and regional body composition was measured by DXA at baseline and in the 10th treatment week in both periods. Changes were compared by a paired Student's t test. RESULTS The change in body weight during HRT was equal to the change during placebo (-24.6 g vs. -164 g, p = 0.42), but relative fat mass was significantly reduced (-0.5% vs. +1.24%, p < 0.01). During HRT, compared with during placebo, lean body mass increased (+347 g vs. -996 g, p < 0.01) and total fat mass decreased (-400 g vs. +836 g, p = 0.06). Total bone mineral content increased (+28.9 g vs. -4.4 g, p = 0.04) and abdominal fat decreased (-185 g vs. +253 g, p = 0.04) during HRT compared with placebo. DISCUSSION HRT is linked to the reversal of both menopause-related obesity and loss of lean mass, without overall change in body weight. The increase in lean body mass during HRT is likely explained by muscle anabolism, which in turn, prevents disease in the elderly.
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Affiliation(s)
- M B Sørensen
- Department of Obstetrics and Gynecology, Hvidovre Hospital, University of Copenhagen, Denmark.
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Relationship Between Body Fat Distribution and Bone Mineral Density in Premenopausal Japanese Women. Obstet Gynecol 2000. [DOI: 10.1097/00006250-200005000-00018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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