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Ichinose H, Tanaka F, Yamagishi T, Sado N, Shiotani H, Evangelidis PE, Naito M, Shibata S, Kawakami Y. Age- and sex-dependence of muscle quality: Influence of intramuscular non-contractile tissues. Exp Gerontol 2024; 196:112574. [PMID: 39236870 DOI: 10.1016/j.exger.2024.112574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 08/30/2024] [Accepted: 09/02/2024] [Indexed: 09/07/2024]
Abstract
PURPOSE Muscle quality is explained by the ratio between muscle size and strength. Conventionally, muscle size is evaluated without considering the composition of contractile and non-contractile tissues in muscle, hence the influence of non-contractile tissues on muscle quality is not fully understood, especially within aging muscle. This study investigated the differences in intramuscular non-contractile tissues between different age and sex groups, and investigated their influence on muscle quality. METHODS Eighty-two older and 64 young females and males participated. Muscle cross-sectional area (quadriceps and hamstrings), separating contractile and non-contractile areas, was calculated from the magnetic resonance image of the right mid-thigh. Maximal voluntary isometric knee extension and flexion torque was measured. Torque/muscle area and torque/contractile area were calculated for each age and sex group. RESULTS Non-contractile/muscle area was higher in older than in young individuals in both muscle groups (p < 0.05), and it was greater in the hamstrings than in the quadriceps. For the hamstrings, torque/muscle area was lower in older than in young individuals in both sexes (p < 0.05). However, torque/contractile area did not show the differences between age groups, only between sexes (males>females) (p < 0.05). CONCLUSIONS The results indicate that 1) the presence of non-contractile tissues varies by age and muscle groups, 2) the extensive presence of non-contractile tissues can contribute to the underestimation of its muscle quality, and 3) the sex differences in muscle quality are influenced by factors other than muscle composition.
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Affiliation(s)
| | - Fumiko Tanaka
- Human Performance Laboratory, Comprehensive Research Organization of Waseda University, Tokyo, Japan; Faculty of Science and Engineering, Waseda University, Tokyo, Japan
| | - Takaki Yamagishi
- Human Performance Laboratory, Comprehensive Research Organization of Waseda University, Tokyo, Japan; Department of Sport Science and Research, Japan Institute of Sports Sciences, Tokyo, Japan
| | - Natsuki Sado
- Institute of Health and Sport Sciences, University of Tsukuba, Ibaraki, Japan
| | - Hiroto Shiotani
- Faculty of Sport Sciences, Waseda University, Saitama, Japan
| | - Pavlos E Evangelidis
- Faculty of Sport Sciences, Waseda University, Saitama, Japan; Medical School, University of Exeter, UK
| | - Munekazu Naito
- Human Performance Laboratory, Comprehensive Research Organization of Waseda University, Tokyo, Japan; Department of Anatomy, Aichi Medical University, Aichi, Japan
| | - Shigenobu Shibata
- Faculty of Science and Engineering, Waseda University, Tokyo, Japan; Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yasuo Kawakami
- Human Performance Laboratory, Comprehensive Research Organization of Waseda University, Tokyo, Japan; Faculty of Sport Sciences, Waseda University, Saitama, Japan.
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Flores-Opazo M, Kopinke D, Helmbacher F, Fernández-Verdejo R, Tuñón-Suárez M, Lynch GS, Contreras O. Fibro-adipogenic progenitors in physiological adipogenesis and intermuscular adipose tissue remodeling. Mol Aspects Med 2024; 97:101277. [PMID: 38788527 DOI: 10.1016/j.mam.2024.101277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/27/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024]
Abstract
Excessive accumulation of intermuscular adipose tissue (IMAT) is a common pathological feature in various metabolic and health conditions and can cause muscle atrophy, reduced function, inflammation, insulin resistance, cardiovascular issues, and unhealthy aging. Although IMAT results from fat accumulation in muscle, the mechanisms underlying its onset, development, cellular components, and functions remain unclear. IMAT levels are influenced by several factors, such as changes in the tissue environment, muscle type and origin, extent and duration of trauma, and persistent activation of fibro-adipogenic progenitors (FAPs). FAPs are a diverse and transcriptionally heterogeneous population of stromal cells essential for tissue maintenance, neuromuscular stability, and tissue regeneration. However, in cases of chronic inflammation and pathological conditions, FAPs expand and differentiate into adipocytes, resulting in the development of abnormal and ectopic IMAT. This review discusses the role of FAPs in adipogenesis and how they remodel IMAT. It highlights evidence supporting FAPs and FAP-derived adipocytes as constituents of IMAT, emphasizing their significance in adipose tissue maintenance and development, as well as their involvement in metabolic disorders, chronic pathologies and diseases. We also investigated the intricate molecular pathways and cell interactions governing FAP behavior, adipogenesis, and IMAT accumulation in chronic diseases and muscle deconditioning. Finally, we hypothesize that impaired cellular metabolic flexibility in dysfunctional muscles impacts FAPs, leading to IMAT. A deeper understanding of the biology of IMAT accumulation and the mechanisms regulating FAP behavior and fate are essential for the development of new therapeutic strategies for several debilitating conditions.
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Affiliation(s)
| | - Daniel Kopinke
- Department of Pharmacology and Therapeutics, University of Florida, Gainesville, 32610, FL, USA; Myology Institute, University of Florida College of Medicine, Gainesville, FL, USA.
| | | | - Rodrigo Fernández-Verdejo
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA; Laboratorio de Fisiología Del Ejercicio y Metabolismo (LABFEM), Escuela de Kinesiología, Facultad de Medicina, Universidad Finis Terrae, Chile.
| | - Mauro Tuñón-Suárez
- Laboratorio de Fisiología Del Ejercicio y Metabolismo (LABFEM), Escuela de Kinesiología, Facultad de Medicina, Universidad Finis Terrae, Chile.
| | - Gordon S Lynch
- Centre for Muscle Research, Department of Anatomy and Physiology, The University of Melbourne, Melbourne, Victoria, Parkville 3010, Australia.
| | - Osvaldo Contreras
- Developmental and Regenerative Biology Division, Victor Chang Cardiac Research Institute, Darlinghurst, NSW, 2010, Australia; School of Clinical Medicine, UNSW Sydney, Kensington, NSW 2052, Australia.
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3
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Tay MRJ, Kong KH. Relationship of serial muscle ultrasound of rectus femoris and ambulatory recovery in patients with acute incomplete spinal cord injury: A prospective observational study. J Spinal Cord Med 2024:1-7. [PMID: 38819981 DOI: 10.1080/10790268.2024.2344317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/02/2024] Open
Abstract
CONTEXT/OBJECTIVE To investigate the change in serial muscle ultrasound of rectus femoris of patients with incomplete spinal cord injury (SCI) performed within 2 months after SCI during acute rehabilitation, and the relationship with functional outcomes at 1 year post-injury. DESIGN Prospective observational study. SETTING Inpatient multi-speciality tertiary rehabilitation center in Singapore. PARTICIPANTS Fifty-four patients with incomplete SCI, defined as American Spinal Injury Association Impairment Scale B-D, with SCI above L2, were recruited from March 2020 to June 2021. Serial muscle ultrasound of the rectus femoris thickness and echo intensity were obtained at 1 week post-injury and after 2 months via standardized protocols. OUTCOME MEASURES Functional Independence Measure (FIM) motor score, Lower Extremity Motor Score (LEMS), Spinal Cord Independence Measure III (SCIM III) indoor mobility component and Walking Index for Spinal Cord Injury II (WISCI II) were assessed in the first week post-admission and at 1 year. RESULTS There was a significant positive correlation between change in rectus femoris muscle thickness over 2 months and FIM motor score (P < 0.001), LEMS (P < 0.001), SCIM III indoor mobility component (P < 0.001) and WISCI II (P < 0.001) at 1 year. For the change in echo intensity over 2 months, there was a significantly negative correlation with FIM motor score (P = 0.002), LEMS (P = 0.002), SCIM III indoor mobility component (P = 0.001) and WISCI II (P = 0.001) at 1 year. CONCLUSION The findings suggest that ultrasonographic serial assessment of rectus femoris muscle thickness and echo intensity during rehabilitation may be useful for determining the long-term functional outcomes in patients with incomplete SCI.
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Affiliation(s)
| | - Keng He Kong
- Tan Tock Seng Hospital, Rehabilitation Medicine, Singapore, Singapore
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4
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Haixia L, Lee JH, Oh S, Seo E, Ha MS. Body composition affects blood lipids and vascular function in metabolically unhealthy or metabolically healthy older adult women with obesity: A multi-group path analysis/impact verification following latent profile analysis. Am J Hum Biol 2023; 35:e23962. [PMID: 37489847 DOI: 10.1002/ajhb.23962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 07/01/2023] [Accepted: 07/04/2023] [Indexed: 07/26/2023] Open
Abstract
OBJECTIVES This study aimed to perform latent profile analysis (LPA) in older adult women with metabolic syndrome to extract a group according to their characteristics while controlling for body composition, blood lipid levels, and vascular function. The study also examined the relationship between different variables. METHODS The participants were 35 women aged ≥65 years, who met the Korean female standards for metabolic syndrome. Blood collection, blood pressure measurements, and vascular function measurements were performed. LPA and multigroup path analysis (MGPA) were performed to statistically analyze the effects of body composition on blood lipid levels and vascular function in older adult women with metabolic syndrome. Mplus 8.3 and jamovi 2.0.0 were used for the analyses, and the control significance level was set at .05. RESULTS The participants were divided into the following three groups: (G1) metabolically unhealthy participants with normal weight, (G2) normal-weight participants with arteriosclerosis, and (G3) obese but metabolically healthy participants (G3). The effect of body composition on blood lipid levels showed a significant difference only in G1. The effect of body composition on vascular function was influenced by various variables in G1 and G3, while G1 showed a higher explanatory power. CONCLUSIONS The MGPA results showed that the relationship between variables differs depending on the group. Therefore, the metabolic syndrome should be studied by subdividing it and confirming the characteristics of the classified groups, such as normal-weight but metabolically unhealthy individuals and obese but metabolically healthy individuals.
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Affiliation(s)
- Li Haixia
- College of Winter Olympics, Harbin Institute of Physical Education, Harbin, China
| | - Jae-Hoon Lee
- Department of Sports Science, College of the Arts and Sports, University of Seoul, Seoul, Republic of Korea
| | - SiYeon Oh
- College of Art and Physical Education, Chosun University, Gwangju, Republic of Korea
| | - EunChul Seo
- Department of Physical Education, Wonkwang University, lksan, Republic of Korea
| | - Min-Seong Ha
- Department of Sports Science, College of the Arts and Sports, University of Seoul, Seoul, Republic of Korea
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Tanaka NI, Suwa M, Maeda H, Tomita A, Imoto T, Akima H. Relationship between trunk intramuscular adipose tissue content and prevalence of metabolic syndrome in middle-aged Japanese men. Nutrition 2023; 113:112083. [PMID: 37327655 DOI: 10.1016/j.nut.2023.112083] [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: 02/03/2023] [Revised: 04/15/2023] [Accepted: 05/16/2023] [Indexed: 06/18/2023]
Abstract
OBJECTIVES The aim of the present study was to examine the dose-response relationship between trunk tissue composition and prevalence of metabolic syndrome (MetS) in middle-aged Japanese men. METHODS The 1026 men (between 35 and 59 y of age) who participated in the present study were divided into two groups: those with metabolic syndrome (MetS) and those without (non-MetS). Intramuscular adipose tissue (IntraMAT) content and the cross-sectional areas (CSAs) of visceral adipose tissue and skeletal muscle tissue were calculated using low-dose computed tomography images acquired at the level of the third lumbar vertebra. Height, body mass, body fat, waist circumference, the presence of MetS, and lifestyle habits were also assessed. RESULTS IntraMAT content was significantly higher in MetS than in non-MetS men. A 10% increase in IntraMAT content correlated with the prevalence of MetS (odds ratio, 4.197; 95% confidence interval, 3.108-7.088; P < 0.001), even after adjustments for age, height, adjusted skeletal muscle CSA, sleeping time, alcohol consumption, exercise habit, and cigarette smoking. Skeletal muscle CSA did not correlate with the prevalence of MetS after adjustments for IntraMAT content and other cofactors. CONCLUSIONS Increase in IntraMAT content, not in skeletal muscle CSA, significantly correlated with the prevalence of MetS. These results suggest that countermeasures against the accumulation of trunk IntraMAT effectively prevent MetS in middle-aged Japanese men.
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Affiliation(s)
- Noriko I Tanaka
- Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan; Graduate School of Education and Human Development, Nagoya University, Nagoya, Japan.
| | - Masataka Suwa
- Health Support Center WELPO, Toyota Motor Corporation, Toyota, Japan
| | - Hisashi Maeda
- Graduate School of Medicine, Nagoya University, Nagoya, Japan
| | - Aya Tomita
- Graduate School of Education and Human Development, Nagoya University, Nagoya, Japan
| | - Takayuki Imoto
- Health Support Center WELPO, Toyota Motor Corporation, Toyota, Japan
| | - Hiroshi Akima
- Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan; Graduate School of Education and Human Development, Nagoya University, Nagoya, Japan
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Ogawa M, Hashimoto Y, Mochizuki Y, Inoguchi T, Kouzuma A, Deguchi M, Saito M, Homma H, Kikuchi N, Okamoto T. Effects of free weight and body mass-based resistance training on thigh muscle size, strength and intramuscular fat in healthy young and middle-aged individuals. Exp Physiol 2023; 108:975-985. [PMID: 37133323 PMCID: PMC10988481 DOI: 10.1113/ep090655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 03/24/2023] [Indexed: 05/04/2023]
Abstract
NEW FINDINGS What is the central question of this study? How do free weight resistance training (RT) and body mass-based RT for 8 weeks compare for isometric muscular strength, muscle size and intramuscular fat (IMF) content in the quadriceps femoris? What is the main finding and its importance? Free weight and body mass-based RTs could induce muscle hypertrophy; however, decreased IMF content was observed following the body mass-based RT alone. ABSTRACT The objective of this study was to investigate the effects of free weight and body mass-based resistance training (RT) on muscle size and thigh intramuscular fat (IMF) in young and middle-aged individuals. Healthy individuals (aged 30-64 years) were assigned to either a free weight RT group (n = 21) or a body mass-based RT group (n = 16). Both groups performed whole-body resistance exercise twice a week for 8 weeks. Free weight resistance exercises (squats, bench press, deadlift, dumbbell rows and back range) involved 70% one repetition maximum, with three sets of 8-12 repetitions per exercise. The nine body mass-based resistance exercises (leg raise, squats, rear raise, overhead shoulder mobility exercise, rowing, dips, lunge, single-leg Romanian deadlifts and push-ups) included the maximum possible repetitions per session, which were performed in one or two sets. Mid-thigh magnetic resonance images using the two-point Dixon method were taken pre- and post-training. The muscle cross-sectional area (CSA) and IMF content in the quadriceps femoris were measured from the images. Both the groups showed significantly increased muscle CSA post-training (free weight RT group, P = 0.001; body mass-based RT group, P = 0.002). IMF content in the body mass-based RT group significantly decreased (P = 0.036) but did not significantly change in the free weight RT group (P = 0.076). These results suggest that the free weight and body mass-based RTs could induce muscle hypertrophy; however, in healthy young and middle-aged individuals, decreased IMF content was induced following the body mass-based RT alone.
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Affiliation(s)
- Madoka Ogawa
- Faculty of SociologyKyoto Sangyo University, Motoyama, Kamigamo, Kita‐kuKyotoJapan
- Faculty of Sport ScienceNippon Sport Science UniversityTokyoJapan
| | - Yuto Hashimoto
- Graduate School of Health and Sport ScienceNippon Sport Science UniversityTokyoJapan
| | - Yukina Mochizuki
- Graduate School of Health and Sport ScienceNippon Sport Science UniversityTokyoJapan
| | - Takamichi Inoguchi
- Graduate School of Health and Sport ScienceNippon Sport Science UniversityTokyoJapan
| | - Ayumu Kouzuma
- Graduate School of Health and Sport ScienceNippon Sport Science UniversityTokyoJapan
| | - Minoru Deguchi
- Graduate School of Health and Sport ScienceNippon Sport Science UniversityTokyoJapan
| | - Mika Saito
- Graduate School of Health and Sport ScienceNippon Sport Science UniversityTokyoJapan
| | - Hiroki Homma
- Graduate School of Health and Sport ScienceNippon Sport Science UniversityTokyoJapan
| | - Naoki Kikuchi
- Faculty of Sport ScienceNippon Sport Science UniversityTokyoJapan
- Graduate School of Health and Sport ScienceNippon Sport Science UniversityTokyoJapan
| | - Takanobu Okamoto
- Faculty of Sport ScienceNippon Sport Science UniversityTokyoJapan
- Graduate School of Health and Sport ScienceNippon Sport Science UniversityTokyoJapan
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7
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Cai Z, He B. Adipose tissue aging: An update on mechanisms and therapeutic strategies. Metabolism 2023; 138:155328. [PMID: 36202221 DOI: 10.1016/j.metabol.2022.155328] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/20/2022] [Accepted: 09/29/2022] [Indexed: 11/06/2022]
Abstract
Aging is a complex biological process characterized by a progressive loss of physiological integrity and increased vulnerability to age-related diseases. Adipose tissue plays central roles in the maintenance of whole-body metabolism homeostasis and has recently attracted significant attention as a biological driver of aging and age-related diseases. Here, we review the most recent advances in our understanding of the molecular and cellular mechanisms underlying age-related decline in adipose tissue function. In particular, we focus on the complex inter-relationship between metabolism, immune, and sympathetic nervous system within adipose tissue during aging. Moreover, we discuss the rejuvenation strategies to delay aging and extend lifespan, including senescent cell ablation (senolytics), dietary intervention, physical exercise, and heterochronic parabiosis. Understanding the pathological mechanisms that underlie adipose tissue aging will be critical for the development of new intervention strategies to slow or reverse aging and age-related diseases.
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Affiliation(s)
- Zhaohua Cai
- Heart Center, Shanghai Chest Hospital, Shanghai Jiaotong University, Shanghai 200030, China
| | - Ben He
- Heart Center, Shanghai Chest Hospital, Shanghai Jiaotong University, Shanghai 200030, China.
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8
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Yoshiko A, Watanabe K, Akima H. Relative contribution of neuromuscular activation, muscle size, and muscle quality to maximum strength output of the thigh muscles in young individuals. Physiol Rep 2023; 11:e15563. [PMID: 36597223 PMCID: PMC9810837 DOI: 10.14814/phy2.15563] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 01/05/2023] Open
Abstract
This study aimed to investigate the relationship between maximal muscle strength and neuromuscular activation, muscle size, and quality of quadriceps (QF) and hamstring muscles (HM). The study included 24 young men and women. The neuromuscular activation parameter was recorded using a single-channel surface electromyography (EMG) with the root mean square (RMS) during maximal isometric knee extension and flexion from four muscles: rectus femoris and vastus lateralis for QF; biceps femoris and semitendinosus for HM. In addition, the peak torque was measured during the same session. B-mode ultrasonographic transverse images were obtained from the anterior, lateral, and posterior thighs. Furthermore, we calculated the muscle thickness (MT) and echo intensity (EI) of the four muscles as indicators of muscle size and quality. The averaged MT, EI, and absolute RMS of QF were calculated by averaging the values of the rectus femoris and vastus lateralis, and that of HM was calculated by averaging the values of the biceps femoris and semitendinosus. The knee extension peak torque was correlated with EI (r = -0.61, P < 0.01) and RMS (r = 0.53, P < 0.01) in the QF. In contrast, the knee flexion peak torque was correlated with RMS (r = 0.53, P < 0.05) but not with MT and EI in HM. In addition, EI and RMS in QF, and RMS in HM were selected as the major determinants of muscle strength in the stepwise regression analysis. These results suggest that muscle strength is moderately associated with different factors related to the thigh muscles in young individuals.
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Affiliation(s)
- Akito Yoshiko
- Faculty of Liberal Arts and SciencesChukyo UniversityToyotaJapan
| | - Kohei Watanabe
- School of Health and Sport SciencesChukyo UniversityToyotaJapan
| | - Hiroshi Akima
- Research Center of Health, Physical Fitness & SportsNagoya UniversityNagoyaJapan
- Graduate School of Education and Human DevelopmentNagoya UniversityNagoyaJapan
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Akazawa N, Kishi M, Hino T, Tsuji R, Tamura K, Hioka A, Moriyama H. Increase in muscle mass of the quadriceps is related to decrease in intramuscular adipose tissue in convalescent stroke patients: A longitudinal study. Clin Nutr ESPEN 2022; 51:199-206. [DOI: 10.1016/j.clnesp.2022.08.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 08/09/2022] [Accepted: 08/30/2022] [Indexed: 10/14/2022]
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Kitagawa F, Ogawa M, Yoshiko A, Oshida Y, Koike T, Akima H, Tanaka NI. Factors related to trunk intramuscular adipose tissue content - A comparison of younger and older men. Exp Gerontol 2022; 168:111922. [PMID: 35964898 DOI: 10.1016/j.exger.2022.111922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 08/02/2022] [Accepted: 08/06/2022] [Indexed: 11/18/2022]
Abstract
The present study investigated factors related to trunk intramuscular adipose tissue (IntraMAT) content in younger and older men. Twenty-three healthy younger (20 to 29 years) and 20 healthy older men (63 to 79 years) participated in this study. The trunk IntraMAT content was measured using magnetic resonance imaging at the height of the 3rd lumbar vertebra. In addition to blood properties and physical performance, dietary intake was assessed by a self-administered diet history questionnaire. The dietary intake status was quantified using the nutrient adequacy score for the intake of 10 selected nutrients by summing the number of items that met the criteria of dietary reference intakes for Japanese individuals. The results obtained revealed that the trunk IntraMAT content was significantly higher in the older group than in the younger group (p < 0.05). In the younger group, the trunk IntraMAT content significantly correlated with systolic and diastolic blood pressure and HbA1c (rs = 0.443 to 0.464, p < 0.05). In the older group, significant and negative correlations were observed between the trunk IntraMAT content and 5-m usual walking speed, handgrip strength, and nutrient adequacy scores (rs = -0.485 to -0.713, p < 0.05). These results indicate that factors associated with the trunk IntraMAT content differed in an age dependent manner. In the younger group, the trunk IntraMAT content correlated with the metabolic status such as blood pressure and HbA1c. In the older group, physical performance and the dietary intake status negatively correlated with the trunk IntraMAT content.
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Affiliation(s)
- Funa Kitagawa
- Graduate School of Education and Human Development, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan.
| | - Madoka Ogawa
- Graduate School of Education and Human Development, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan
| | - Akito Yoshiko
- Graduate School of Medicine, Nagoya University, 65 Tsurumai, Showa, Nagoya, Aichi 466-8550, Japan
| | - Yoshiharu Oshida
- Graduate School of Medicine, Nagoya University, 65 Tsurumai, Showa, Nagoya, Aichi 466-8550, Japan; Research Center of Health, Fitness and Sports, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan
| | - Teruhiko Koike
- Graduate School of Medicine, Nagoya University, 65 Tsurumai, Showa, Nagoya, Aichi 466-8550, Japan; Research Center of Health, Fitness and Sports, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan
| | - Hiroshi Akima
- Graduate School of Education and Human Development, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan; Research Center of Health, Fitness and Sports, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan
| | - Noriko I Tanaka
- Graduate School of Education and Human Development, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan; Research Center of Health, Fitness and Sports, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan
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11
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Engelke K, Ghasemikaram M, Chaudry O, Uder M, Nagel AM, Jakob F, Kemmler W. The effect of ageing on fat infiltration of thigh and paraspinal muscles in men. Aging Clin Exp Res 2022; 34:2089-2098. [PMID: 35633478 PMCID: PMC9464152 DOI: 10.1007/s40520-022-02149-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 05/02/2022] [Indexed: 11/26/2022]
Abstract
Background Myosteatosis, skeletal muscle fat infiltration, is associated with inflammation and fibrosis. The age-related increase of myosteatosis is an important characteristic of sarcopenia and contributes to fragility. Aims To investigate the impact of healthy aging on intermuscular adipose tissue (IMAT) and muscle fat fraction (FF) in the thigh and the paraspinal muscles in males. Methods In 54 healthy males (age 20–70), all active hobby golfers, magnetic resonance imaging was performed to determine volume of IMAT, volume of muscle tissue (MT) and of percentage of FF. Results Between ages 20–70, at the thigh, IMAT/MT volume and MT FF increased annually by 2.9% and 1.3%, respectively. At the psoas IMAT/Psoas volume did not change with age. MT FF increased by 1.5% annually. At the erector spinae IMAT/Erector volume decreased by 0.3% and MT FF increased by 2.8% annually. Discussion With increasing age, in males, thigh muscle atrophied, muscle tissue was partly replaced by adipose tissue and remaining muscle tissue also contained more fat. Similar effects were observed in the erector spinae. The psoas muscle did not atrophy, although MT FF also increased with age. Overall correlations with age were weak to moderate with higher correlations observed in the paraspinal muscles. Conclusions Age-related increases of muscle fat infiltration were observed in the thigh and in the spine. Muscle atrophy did not occur in the psoas. In cross-sectional studies, an adjustment of volumetric parameters by muscle volume is advisable when comparing age-dependent results. Supplementary Information The online version contains supplementary material available at 10.1007/s40520-022-02149-1.
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Affiliation(s)
- Klaus Engelke
- Department of Medicine III, Friedrich-Alexander University of Erlangen-Nürnberg, University Hospital Erlangen, Ulmenweg 18, 91054, Erlangen, Germany.
- Institute of Medical Physics (IMP), Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Henkestr. 91, 91052, Erlangen, Germany.
| | - Mansour Ghasemikaram
- Institute of Medical Physics (IMP), Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Henkestr. 91, 91052, Erlangen, Germany
| | - Oliver Chaudry
- Department of Medicine III, Friedrich-Alexander University of Erlangen-Nürnberg, University Hospital Erlangen, Ulmenweg 18, 91054, Erlangen, Germany
| | - Michael Uder
- Institute of Radiology, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Maximiliansplatz 3, 91054, Erlangen, Germany
| | - Armin M Nagel
- Institute of Radiology, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Maximiliansplatz 3, 91054, Erlangen, Germany
| | - Franz Jakob
- Bernhard-Heine-Center for Locomotion Research, University of Würzburg, Brettreichstrasse 11, 97074, Würzburg, Germany
| | - Wolfgang Kemmler
- Institute of Medical Physics (IMP), Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Henkestr. 91, 91052, Erlangen, Germany
- Institute of Radiology, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Maximiliansplatz 3, 91054, Erlangen, Germany
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12
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Akima H, Maeda H, Suwa M, Imoto T, Tanaka N. Skeletal muscle and abdominal circumference explain intramuscular fat, independent of exercise frequency, in middle-aged Japanese men. PLoS One 2022; 17:e0267557. [PMID: 35613126 PMCID: PMC9132269 DOI: 10.1371/journal.pone.0267557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 04/11/2022] [Indexed: 11/22/2022] Open
Abstract
The purpose of this study was to examine how intramuscular adipose tissue (IntraMAT) can be characterized using physical and functional characteristics, muscle size, and/or adipose tissue in four different exercise frequency groups of middle-aged Japanese men. One thousand twenty-eight middle-aged men (age, 47.5 ± 8.1 years; height, 170.5 ± 5.8 cm; body mass, 67.0 ± 9.3 kg; body mass index, 21.9 ± 5.3 kg/m2) were allocated to four groups on the basis of their weekly exercise frequency: Group 1, no exercise, n = 334; Group 2, once a week, n = 271; Group 3, a few days a week, n = 269; and Group 4, every day, n = 154. Their body composition, blood pressure, and handgrip strength were assessed. A single-slice computerized tomography image at the level of the umbilicus was acquired and the CSAs of IntraMAT, muscle tissue, and subcutaneous and visceral adipose tissues (SCAT and VAT) were calculated. The %IntraMAT significantly correlated with physical characteristics, such as age, BMI, abdominal circumference, and muscle tissue CSA. Stepwise multiple regression analysis was performed, with the %IntraMAT as the dependent variable. Muscle tissue CSA and abdominal circumference were the common independent variables across groups to explain the variability of the %IntraMAT. It was also extracted %body fat and age for Group 2, age, handgrip strength, and BMI for Group 3, and smoking category for Group 4. These results suggested that muscle tissue size and abdominal circumference would be the strong predictors to explain %IntraMAT of the trunk muscle across four groups, and that age, %body fat, BMI, and SCAT, handgrip strength and smoking category were also good predictors for each group with different exercise frequency in middle-aged Japanese men.
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Affiliation(s)
- Hiroshi Akima
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Aichi, Japan
- Graduate School of Education & Human Development, Nagoya University, Nagoya, Aichi, Japan
- * E-mail:
| | - Hisashi Maeda
- Graduate School of Medicine, Nagoya University, Nagoya, Aichi, Japan
| | - Masataka Suwa
- Health Support Center WELPO, Toyota Motor Corporation, Iwakura, Toyota, Aichi, Japan
| | - Takayuki Imoto
- Health Support Center WELPO, Toyota Motor Corporation, Iwakura, Toyota, Aichi, Japan
| | - Noriko Tanaka
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Aichi, Japan
- Graduate School of Education & Human Development, Nagoya University, Nagoya, Aichi, Japan
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13
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Somatotypological features of men of working age – natives of the North. ACTA BIOMEDICA SCIENTIFICA 2022. [DOI: 10.29413/abs.2022-7.2.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Anthropometry is known as the basic method for the body physical status assessment.The aim. The study examined anthropometric and somatometric indices in the working age men and investigated physical development variables specific for the region in terms of being used for early diagnosing obesity-related risks for non-infectious diseases.Materials and methods. One hundred and twenty-three male subjects aged 32–40 participated in the survey (mean age was 35.2 ± 0.2 years). Subjective main physicaldevelopment parameters were analyzed.Results. Participants’ average body length variables were seen to be significantly higher than those in other Russia’s regions and some other countries. The similar tendency was observed for subjective body mass, chest circumference, and body mass index variables with disharmonic somatotype and hypersthenic type of body constitution revealed in examined working age men in comparison with younger male subjects. Musculoskeletal mass loss and fat accumulation indicate the development tendency of sarcopenia in men of working age. Excessive body weight prevalence in 32–40-year-old men was 47 %, and 17 % of the examinees were diagnosed with 1st degree obesity.Conclusion. The survey identified the modern population of male northerners as having negative tendencies in their somatometric picture, which involves disharmonic somatotype, sarcopenia, excessive body weight, and 1st degree obesity and results in significant risks for non-infectious inflammation and cardiovascular diseases at the studied age.
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14
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Hioki M, Kanehira N, Koike T, Saito A, Shimaoka K, Sakakibara H, Oshida Y, Akima H. Relationship between adiponectin and intramuscular fat content determined by ultrasonography in older adults. PLoS One 2022; 17:e0262271. [PMID: 34982778 PMCID: PMC8726469 DOI: 10.1371/journal.pone.0262271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 12/21/2021] [Indexed: 11/18/2022] Open
Abstract
Age-associated intramuscular adipose tissue (IntraMAT) deposition induces the development of insulin resistance and metabolic syndrome. However, the relationship between IntraMAT and biochemical parameters in older adults remains unclear. The purpose of this study, therefore, was to elucidate the relationship between adiponectin and echo intensity–estimated IntraMAT using ultrasonography in normal-weight older adults (men 9, women 13) and examine biochemical parameters. Blood tests were performed to determine fasting levels of glucose, insulin, hemoglobin A1c, total cholesterol (Total-C), high-density-lipoprotein cholesterol, low-density-lipoprotein cholesterol (LDL-C), free fatty acid, triglycerides (TGs), adiponectin, leptin, high-sensitivity C-reactive protein, and high-sensitivity tumor necrosis factor, and homoeostasis model assessment index of insulin resistance (HOMA-IR). Mean gray-scale echo intensity was calculated as the IntraMAT index of the vastus lateralis. Waist circumference was measured at the level of the navel as the visceral adipose tissue (VAT) index. Echo intensity was significantly inversely correlated with adiponectin or LDL-C, and that was significantly positively correlated with TG. Adiponectin level was inversely correlated with waist circumference. Partial correlation analysis with waist circumference as the control variable revealed that adiponectin was inversely correlated with echo intensity, independent of waist circumference, whereas no such correlation was observed after controlling for LDL-C and TG levels. When biochemical parameters were grouped in the principal component analysis, among men, Total-C, insulin, and HOMA-IR or hemoglobin A1c, and high-sensitivity tumor necrosis factor–alpha were grouped with the same distribution for factors 1 and 2. Among women, glucose, insulin, HOMA-IR, and Total-C or TGs were grouped with the same distribution for factors 1 and 2. These data suggest that adiponectin level is related to IntraMAT content, independent of VAT in normal-weight older adults. The dynamics of adiponectin might not be similar to those of other circulating biochemical parameters in older men and women.
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Affiliation(s)
- Maya Hioki
- Graduate School of Medicine, Nagoya University, Nagoya, Aichi, Japan
- * E-mail:
| | - Nana Kanehira
- Department of Health and Nutrition, Tokaigakuen University, Nagoya, Aichi, Japan
| | - Teruhiko Koike
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Aichi, Japan
| | - Akira Saito
- Center for Health and Sports Science, Kyushu Sangyo University, Fukuoka, Fukuoka, Japan
| | - Kiyoshi Shimaoka
- Department of Human Wellness, Tokaigakuen University, Miyoshi, Aichi, Japan
| | | | - Yoshiharu Oshida
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Aichi, Japan
| | - Hiroshi Akima
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Aichi, Japan
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15
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Comparison of Tongue Characteristics Classified According to Ultrasonographic Features Using a K-Means Clustering Algorithm. Diagnostics (Basel) 2022; 12:diagnostics12020264. [PMID: 35204355 PMCID: PMC8870935 DOI: 10.3390/diagnostics12020264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/15/2022] [Accepted: 01/19/2022] [Indexed: 11/17/2022] Open
Abstract
The precise correlations among tongue function and characteristics remain unknown, and no previous studies have attempted machine learning-based classification of tongue ultrasonography findings. This cross-sectional observational study aimed to investigate relationships among tongue characteristics and function by classifying ultrasound images of the tongue using a K-means clustering algorithm. During 2017–2018, 236 healthy older participants (mean age 70.8 ± 5.4 years) were enrolled. The optimal number of clusters determined by the elbow method was 3. After analysis of tongue thickness and echo intensity plots, tongues were classified into three groups. One-way ANOVA was used to compare tongue function, tongue pressure, and oral diadochokinesis for /ta/ and /ka/ in each group. There were significant differences in all tongue functions among the three groups. The worst function was observed in patients with the lowest values for tongue thickness and echo intensity (tongue pressure [P = 0.023], /ta/ [P = 0.007], and /ka/ [P = 0.038]). Our results indicate that ultrasonographic classification of tongue characteristics using K-means clustering may aid clinicians in selecting the appropriate treatment strategy. Indeed, ultrasonography is advantageous in that it provides real-time imaging that is non-invasive, which can improve patient follow-up both in the clinic and at home.
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16
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HIRASAWA Y, MATSUKI R, TANINA H. Relationship between Echo Intensity of Vastus Lateralis and Knee Extension Strength in Patients with Type 2 Diabetes Mellitus. Phys Ther Res 2022; 25:113-119. [PMID: 36819918 PMCID: PMC9910353 DOI: 10.1298/ptr.e10172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 08/04/2022] [Indexed: 11/23/2022]
Abstract
OBJECTIVE This study aimed to determine the association between echo intensity (EI) of vastus lateralis and knee extension strength (KES) in patients with type 2 diabetes mellitus (T2DM). METHODS This retrospective study included a total of 304 patients (189 males and 115 females) with T2DM who were hospitalized for treatment or care. EI and muscle thickness (MT) of the right vastus lateralis were assessed from transverse ultrasound images. Maximal isometric KES was evaluated using a dynamometer and normalized for body weight (%KES). RESULTS %KES was significantly positively correlated with MT and stages of change for exercise behavior, and significantly negatively correlated with age, T2DM duration, and EI. %KES was significantly higher in male than in female. %KES was significantly higher in non-diabetic peripheral neuropathy (DPN) than in DPN. Stepwise multiple regression analysis showed that sex, age, T2DM duration, EI, and stages of change for exercise behavior were significant determinants of %KES. CONCLUSION The study results suggest that EI is associated with %KES in patients with T2DM.
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Affiliation(s)
| | - Ryosuke MATSUKI
- Department of Rehabilitation, Kansai Electric Power Hospital, Japan
| | - Hideaki TANINA
- Department of Rehabilitation, Kansai Electric Power Hospital, Japan
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17
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Unique Characteristics of Quadriceps Muscle Morphology and Function in Older Tennis Players. J Aging Phys Act 2021; 30:697-704. [PMID: 34706341 DOI: 10.1123/japa.2021-0074] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 09/30/2021] [Accepted: 10/05/2021] [Indexed: 11/18/2022]
Abstract
We investigated the quadriceps muscle size and quantitative characteristics in older tennis players. Thirty-eight senior tennis players (70.8 ± 5.3 years) and 38 controls (71.6 ± 5.1 years) were included. To measure the muscle size and quality, we measured muscle thickness in the rectus femoris (RF), vastus lateralis, and vastus intermedius, and muscle echo intensity in the RF and vastus lateralis using B-mode transverse ultrasound, respectively. We measured knee extension peak torque for muscle function. Muscle thickness in the RF, vastus lateralis, and vastus intermedius were significantly larger in tennis players than in controls. Tennis players had a lower echo intensity in RF and a higher knee extension peak torque compared to controls. Stepwise multiple linear regression analysis implied that echo intensity and muscle thickness were predictors of knee extension peak torque. Higher muscle quality contributes to a higher knee extension peak torque in tennis players. Playing tennis may prevent age-related muscle atrophy and maintain muscle quality in older individuals.
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18
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Ogawa M, Tanaka N, Yoshiko A, Oshida Y, Koike T, Akima H. Relationship between physical activity time and intramuscular adipose tissue content of the thigh muscle groups of younger and older men. Sci Rep 2021; 11:19804. [PMID: 34611211 PMCID: PMC8492695 DOI: 10.1038/s41598-021-99126-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 09/17/2021] [Indexed: 11/25/2022] Open
Abstract
We investigated the effect of physical activity on muscle tissue size and intramuscular adipose tissue (IntraMAT) content in the thigh muscle groups of younger and older men. Twenty younger and 20 older men participated in this study. The muscle tissue cross-sectional area (CSA) and the IntraMAT content in the quadriceps femoris (QF), hamstrings (HM), hip adductors (AD), and mid-thigh total were measured using magnetic resonance imaging. The physical activity time was measured using a triaxial accelerometer, and four levels of physical activity were determined depending on the metabolic equivalent of task (METs), including sedentary (≤ 1.5 METs), light intensity (≤ 2.9 METs), moderate intensity (3.0–5.9 METs), and vigorous intensity (≥ 6.0 METs). No significant correlation was observed between the physical activity parameters and muscle tissue CSA in both groups. The IntraMAT content of the three muscle groups (QF, AD, and HM) and the total thigh was inversely correlated with the time of moderate-intensity physical activity (rs = − 0.625 to − 0.489, P < 0.05, for all comparisons) in the young group, but not in the older group. These results indicate that IntraMAT accumulation was associated with the amount of moderate-physical activity in younger men.
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Affiliation(s)
- Madoka Ogawa
- Graduate School of Education and Human Development, Nagoya University, Aichi, Japan. .,Nippon Sport Science University, Tokyo, Japan. .,Kyoto Sangyo University, Kyoto, Japan.
| | - Noriko Tanaka
- Graduate School of Education and Human Development, Nagoya University, Aichi, Japan.,Research Center of Health, Physical Fitness and Sports, Nagoya University, Aichi, Japan
| | - Akito Yoshiko
- School of International Liberal Studies, Chukyo University, Aichi, Japan.,Graduate School of Medicine, Nagoya University, Aichi, Japan
| | - Yoshiharu Oshida
- Research Center of Health, Physical Fitness and Sports, Nagoya University, Aichi, Japan.,Graduate School of Medicine, Nagoya University, Aichi, Japan.,Minami Seikyo Hospital, Aichi, Japan
| | - Teruhiko Koike
- Research Center of Health, Physical Fitness and Sports, Nagoya University, Aichi, Japan.,Graduate School of Medicine, Nagoya University, Aichi, Japan
| | - Hiroshi Akima
- Graduate School of Education and Human Development, Nagoya University, Aichi, Japan.,Research Center of Health, Physical Fitness and Sports, Nagoya University, Aichi, Japan
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19
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Ogawa M, Koskensalo K, Laurila S, Holstila M, Lahesmaa M, Virtanen KA, Iida H, Akima H, Nuutila P. Brown adipose tissue fat-fraction is associated with skeletal muscle adiposity. Eur J Appl Physiol 2021; 122:81-90. [PMID: 34564756 DOI: 10.1007/s00421-021-04816-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 09/17/2021] [Indexed: 11/28/2022]
Abstract
PURPOSE While brown adipose tissue (BAT) activity is known to be associated with both muscle and adipose tissue volumes, the association between BAT and muscle composition remains unclear, especially in adults. Therefore, the present study aimed to examine the association between BAT parameters (glucose uptake and fat-fraction) and muscle volumes and intramuscular adipose tissue contents among healthy young and middle-aged men. METHODS BAT glucose uptake was determined using positron emission tomography with [18F]-2-deoxy-2-fluoro-D-glucose (18F-FDG) during cold exposure in 19 young and middle-aged men (36.3 ± 10.7 years). The fat-fraction of BAT was determined from volumes of interest set in cervical and supraclavicular adipose tissue depots using signal fat-fraction maps via magnetic resonance imaging (MRI). Muscle volumes and intramuscular adipose tissue contents of m. tibialis anterior and m. multifidus lumborum were measured using MRI. RESULTS The fat-fraction of BAT was significantly associated with intramuscular adipose tissue content in m. tibialis anterior (n = 13, rs = 0.691, P = 0.009). A similar trend was also observed in m. multifidus lumborum (n = 19, rs = 0.454, P = 0.051). However, BAT glucose uptake was not associated with intramuscular adipose tissue contents in both muscles, nor were muscle volumes associated with the BAT glucose uptake and fat-fraction. CONCLUSION The fat-fraction of BAT increases with skeletal muscle adiposity, especially in the lower leg, among healthy young and middle-aged men.
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Affiliation(s)
- Madoka Ogawa
- Graduate School of Education and Human Development, Nagoya University, Aichi, Japan. .,Nippon Sport Science University, Tokyo, Japan. .,Kyoto Sangyo University, Kyoto, Japan.
| | - Kalle Koskensalo
- Turku PET centre, University of Turku, Turku, Finland.,Turku PET centre, Turku University Hospital, Turku, Finland.,Department of Medical Physics, Turku University Hospital, Turku, Finland.,Heart Center, Turku University Hospital, Turku, Finland
| | - Sanna Laurila
- Turku PET centre, University of Turku, Turku, Finland.,Turku PET centre, Turku University Hospital, Turku, Finland.,Heart Center, Turku University Hospital, Turku, Finland.,Satakunta Central Hospital, Pori, Finland
| | - Milja Holstila
- Turku PET centre, University of Turku, Turku, Finland.,Turku PET centre, Turku University Hospital, Turku, Finland.,Medical Imaging Centre of Southwest Finland, Turku University Hospital, Turku, Finland
| | - Minna Lahesmaa
- Turku PET centre, University of Turku, Turku, Finland.,Turku PET centre, Turku University Hospital, Turku, Finland
| | - Kirsi A Virtanen
- Turku PET centre, Turku University Hospital, Turku, Finland.,Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Hidehiro Iida
- Turku PET centre, University of Turku, Turku, Finland.,Turku PET centre, Turku University Hospital, Turku, Finland
| | - Hiroshi Akima
- Graduate School of Education and Human Development, Nagoya University, Aichi, Japan.,Research Center of Health, Physical Fitness and Sports, Nagoya University, Aichi, Japan
| | - Pirjo Nuutila
- Turku PET centre, University of Turku, Turku, Finland.,Turku PET centre, Turku University Hospital, Turku, Finland.,Department of Endocrinology, Turku University Hospital, Turku, Finland
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20
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Tanaka NI, Maeda H, Tomita A, Suwa M, Imoto T, Akima H. Comparison of metabolic risk factors, physical performances, and prevalence of low back pain among categories determined by visceral adipose tissue and trunk skeletal muscle mass in middle-aged men. Exp Gerontol 2021; 155:111554. [PMID: 34537277 DOI: 10.1016/j.exger.2021.111554] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 12/25/2022]
Abstract
The present study compared metabolic risk factors, physical performances, and musculoskeletal impairment among categories determined by visceral adipose tissue (VAT) and trunk skeletal muscle (SM) mass in middle-aged Japanese men. In total, 1026 healthy Japanese males aged between 35 and 59 years were categorized into 4 groups according to the amount of VAT and SM in the trunk measured using low-dose computed tomography (LowVAT-HighSM, LowVAT-LowSM, HighVAT-HighSM, and HighVAT-LowSM). Height, body mass waist circumference, body fat, intramuscular adipose tissue (IntraMAT), subcutaneous adipose tissue, biochemical blood profiles (triglycerides, high-density lipoprotein cholesterol, fasting blood glucose, aspartate transaminase, alanine transaminase and γ-glutamyl trans peptidase), physical performances (trunk flexibility, the chair-stand test, two-step length and hand-grip strength), the prevalence of low back pain, and lifestyle habits for exercise, alcohol intake and smoking, were compared among the groups. The results showed that LowVAT-HighSM had significantly superior biochemical blood profiles and physical performances to the other groups. HighVAT-LowSM had significantly higher %IntraMAT and the prevalence of low back pain. The two-step length, which is an index of walking ability, significantly differed according to the four subject categories. These results indicate that metabolic risk factors, physical performances, and prevalence of low back pain in middle-aged Japanese men may differ among four categories determined by VAT and trunk SM.
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Affiliation(s)
- Noriko I Tanaka
- Research Center of Health, Physical Fitness and Sports, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan.
| | - Hisashi Maeda
- Graduate School of Medicine, Nagoya University, 65 Tsurumai, Showa, Nagoya, Aichi 466-8550, Japan
| | - Aya Tomita
- Research Center of Health, Physical Fitness and Sports, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan
| | - Masataka Suwa
- Health Support Center WELPO, Toyota Motor Corporation, 1-1 Ipponmatsu, Iwakura-cho, Toyota, Aichi 444-2225, Japan
| | - Takayuki Imoto
- Health Support Center WELPO, Toyota Motor Corporation, 1-1 Ipponmatsu, Iwakura-cho, Toyota, Aichi 444-2225, Japan
| | - Hiroshi Akima
- Research Center of Health, Physical Fitness and Sports, Nagoya University, Furo-cho, Chikusa, Nagoya, Aichi 464-8601, Japan
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21
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Ogawa M, Belavý DL, Yoshiko A, Armbrecht G, Miokovic T, Felsenberg D, Akima H. Effects of 8 weeks of bed rest with or without resistance exercise intervention on the volume of the muscle tissue and the adipose tissues of the thigh. Physiol Rep 2021; 8:e14560. [PMID: 32951335 PMCID: PMC7507449 DOI: 10.14814/phy2.14560] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 07/16/2020] [Accepted: 08/06/2020] [Indexed: 01/03/2023] Open
Abstract
The present study aims to investigate the effects of 8 weeks of bed rest, with or without resistance exercise intervention, on the volumes of muscle tissue and the intramuscular, intermuscular, and subcutaneous adipose tissues of the thigh. Twenty men were included, who were randomly assigned in three groups: resistance exercises group (RE group), resistance exercises with whole-body vibration group (VRE group), and nonexercise control group (CTR group). The RE and VRE groups performed resistance exercises during 8 weeks of bed rest (3 days per week). Additionally, consecutive axial magnetic resonance images were obtained before and after the bed rest. Using these images, the volumes of the muscle tissue and the intramuscular adipose tissue, intermuscular adipose tissue, and subcutaneous adipose tissue of the thigh were evaluated. No significant time-by-group interaction was observed the volumes of the muscle tissue and the intramuscular adipose tissue, intermuscular adipose tissue, and subcutaneous adipose tissue between the RE and VRE groups. Furthermore, the RE and VRE groups were pooled as the resistance exercise intervention group (TR group), wherein their thigh muscle tissue volume was observed to be maintained after the bed rest. However, that of the CTR group significantly decreased. Regarding the thigh intramuscular adipose tissue and intermuscular adipose tissue volumes, no significant difference was observed among the CTR and TR groups. Although subcutaneous adipose tissue volume in the CTR group significantly increased after the bed rest, no changes were observed in that of the TR group. Therefore, the results of the present study suggested that within the 8 weeks of bed rest, adipose tissue adaptation differs depending on the location.
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Affiliation(s)
- Madoka Ogawa
- Graduate School of Education and Human Development, Nagoya University, Furo, Nagoya, Aichi, Japan
| | - Daniel L Belavý
- Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universitätzu Berlin, Berlin Institute of Health, Institute of Radiology, Berlin, Germany
| | - Akito Yoshiko
- School of International Liberal Studies, Chukyo University, Toyota, Japan
| | - Gabriele Armbrecht
- Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universitätzu Berlin, Berlin Institute of Health, Institute of Radiology, Berlin, Germany
| | - Tanja Miokovic
- Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universitätzu Berlin, Berlin Institute of Health, Institute of Radiology, Berlin, Germany
| | - Dieter Felsenberg
- Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universitätzu Berlin, Berlin Institute of Health, Institute of Radiology, Berlin, Germany
| | - Hiroshi Akima
- Graduate School of Education and Human Development, Nagoya University, Furo, Nagoya, Aichi, Japan.,Research Center of Health, Physical Fitness and Sports, Nagoya University, Furo-cho, Nagoya, Japan
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22
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Banse HE, Whitehead AE, McFarlane D, Chelikani PK. Markers of muscle atrophy and impact of treatment with pergolide in horses with pituitary pars intermedia dysfunction and muscle atrophy. Domest Anim Endocrinol 2021; 76:106620. [PMID: 33740552 DOI: 10.1016/j.domaniend.2021.106620] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 02/04/2021] [Accepted: 02/09/2021] [Indexed: 12/16/2022]
Abstract
Pituitary pars intermedia dysfunction (PPID) is a common endocrine disorder of aged horses, with muscle atrophy as one of the clinical signs. We sought to compare muscle mass and regulation of skeletal muscle proteolysis between horses with PPID and muscle atrophy to older horses without PPID, and to assess the impact of treatment with pergolide (dopaminergic agonist) on PPID horses. We hypothesized that PPID-associated muscle atrophy is a result of increased proteolysis, and that markers of muscle atrophy and proteolysis would improve over time with pergolide treatment. Markers of muscle atrophy, adiposity, insulin regulation, skeletal muscle composition, and proteolysis (muscle atrophy F- box/atrogin 1 [MAFbx1], muscle RING finger 1 [MuRF1], Bcl2/adenovirus EIV 19kD interacting protein 3 [Bnip3], and microtubule-associated light chain 3 [LC3]) were compared between PPID and control horses. PPID horses were treated for 12 weeks with either pergolide or placebo. Dose of pergolide was adjusted based upon monthly measurement of adrenocorticotropin, and markers of muscle atrophy, adiposity, insulin regulation, skeletal muscle composition, and proteolysis were compared after 12 weeks of treatment. Horses with PPID exhibited increased transcript abundance of MuRF1 (P= 0.04) compared to control. However, no difference was observed in transcript abundance of markers of proteolysis with treatment (P ≥ 0.25). Pergolide treated horses lost weight (P = 0.02) and improved fasting insulin (P = 0.02), while placebo treated horses gained weight and rump fat thickness (P = 0.02). Findings from this study suggest that treatment with pergolide may promote weight loss and improve insulin regulation in horses with PPID, but does not impact muscle mass or markers of muscle proteolysis.
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Affiliation(s)
- H E Banse
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA.
| | - A E Whitehead
- Department of Veterinary and Clinical Diagnostic Sciences, University of Calgary, Calgary, AB, T2N 4Z6, Canada
| | - D McFarlane
- Department of Physiological Sciences, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK, 74078, USA
| | - P K Chelikani
- School of Veterinary Medicine, Texas Tech University, Amarillo, TX 79106, USA
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23
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Figueiredo P, Marques EA, Gudnason V, Lang T, Sigurdsson S, Jonsson PV, Aspelund T, Siggeirsdottir K, Launer L, Eiriksdottir G, Harris TB. Computed tomography-based skeletal muscle and adipose tissue attenuation: Variations by age, sex, and muscle. Exp Gerontol 2021; 149:111306. [PMID: 33713735 DOI: 10.1016/j.exger.2021.111306] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 02/17/2021] [Accepted: 03/06/2021] [Indexed: 01/04/2023]
Abstract
OBJECTIVE This study aimed to investigate how skeletal muscle attenuation and adipose tissue (AT) attenuation of the quadriceps, hamstrings, paraspinal muscle groups and the psoas muscle vary according to the targeted muscles, sex, and age. DESIGN Population-based cross-sectional study. SETTING Community-dwelling old population in Reykjavik, Iceland. SUBJECTS A total of 5331 older adults (42.8% women), aged 66-96 years from the Age, Gene/Environment Susceptibility (AGES)- Reykjavik Study, who participated in the baseline visit (between 2002 and 2006) and had valid thigh and abdominal computed tomography (CT) scans were studied. METHODS Muscle attenuation and AT attenuation of the quadriceps, hamstrings, paraspinal muscle groups and the psoas muscle were determined using CT. Linear mixed model analysis of variance was performed for each sex, with skeletal muscle or AT attenuation as the dependent variable. RESULTS Muscle attenuation decreased, and AT attenuation increased with age in both sexes, and these differences were specific for each muscle, although not in all age groups. Age-related differences in muscle and AT attenuation varied with specific muscle. In general, for both sexes, skeletal muscle attenuation of the hamstrings declined more than average with age. Men and women displayed a different pattern in the age differences in AT attenuation for each muscle. CONCLUSIONS Our data support the hypotheses that skeletal muscle attenuation decreases, and AT attenuation increases with aging. In addition, our data add new evidence, supporting that age-related differences in skeletal muscle and AT attenuation vary between muscles.
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Affiliation(s)
- Pedro Figueiredo
- Laboratory of Epidemiology and Population Science, Intramural Research Program, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA; Research Center in Sports Sciences, Health Sciences and Human Development - CIDESD, University Institute of Maia - ISMAI, Maia, Portugal; Portugal Football School, Portuguese Football Federation, Oeiras, Portugal.
| | - Elisa A Marques
- Laboratory of Epidemiology and Population Science, Intramural Research Program, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA; Research Center in Sports Sciences, Health Sciences and Human Development - CIDESD, University Institute of Maia - ISMAI, Maia, Portugal
| | - Vilmundur Gudnason
- Icelandic Heart Association Research Institute, Kópavogur, Iceland; University of Iceland, Reykjavik, Iceland
| | - Thomas Lang
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA
| | | | | | - Thor Aspelund
- Icelandic Heart Association Research Institute, Kópavogur, Iceland; Centre of Public Health Sciences, University of Iceland, Reykjavik, Iceland
| | - Kristin Siggeirsdottir
- Icelandic Heart Association Research Institute, Kópavogur, Iceland; Janus Rehabilitation, Reykjavik, Iceland
| | - Lenore Launer
- Laboratory of Epidemiology and Population Science, Intramural Research Program, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
| | | | - Tamara B Harris
- Laboratory of Epidemiology and Population Science, Intramural Research Program, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
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Akima H, Yoshiko A, Radaelli R, Ogawa M, Shimizu K, Tomita A, Maeda H, Neske R, Teodoro J, Maeda K, Tanaka N, Pinto R. Comparison of muscle quality and functional capacity between Japanese and Brazilian older individuals. PLoS One 2020; 15:e0243589. [PMID: 33326469 PMCID: PMC7743983 DOI: 10.1371/journal.pone.0243589] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 11/24/2020] [Indexed: 12/25/2022] Open
Abstract
Muscle quality is well-known to decrease with aging and is a risk factor for metabolic abnormalities. However, there is a lack of information on race-associated differences in muscle quality and other neuromuscular features related to functional performance. This study aimed to compare muscle quality, function, and morphological characteristics in Japanese and Brazilian older individuals. Eighty-four participants aged 65–87 years were enrolled in the study (42 Japanese: 23 men, 19 women, mean age 70.4 years; 42 Brazilians: 23 men, 19 women, mean age 70.8 years). Echo intensity (EI) and muscle thickness (MT) of the quadriceps femoris were measured using B-mode ultrasonography. A stepwise multiple linear regression analysis with EI as a dependent variable revealed that MT was a significant variable for Japanese participants (R2 = 0.424, P = 0.001), while MT and subcutaneous adipose tissue (SCAT) thickness were significant variables for Brazilian participants (R2 = 0.490, P = 0.001). A second stepwise multiple linear regression analysis was performed after excluding MT and SCAT thickness from the independent variables. Sex and age for Japanese participants (R2 = 0.381, P = 0.001) and lean body mass and body mass index for Brazilian participants (R2 = 0.385, P = 0.001) were identified as significant independent variables. The present results suggest that MT is closely correlated with muscle quality in Japanese and Brazilian older individuals. Increases in muscle size may induce decreases in intramuscular adipose tissue and/or connective tissues, which are beneficial for reducing the risks of metabolic impairments in Japanese and Brazilian older individuals.
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Affiliation(s)
- Hiroshi Akima
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Aichi, Japan
- Graduate School of Education & Human Development, Nagoya University, Nagoya, Aichi, Japan
- * E-mail:
| | - Akito Yoshiko
- School of International Liberal Studies, Chukyo University, Toyota, Aichi, Japan
| | - Régis Radaelli
- Exercise Research Laboratory (LAPEX), Federal University of Rio Grande do Sul (UFRGS), Port Alegre, RS, Brazil
| | - Madoka Ogawa
- Faculty of Sport Science, Nippon Sport Science University, Setagaya, Tokyo, Japan
| | - Kaori Shimizu
- Graduate School of Education & Human Development, Nagoya University, Nagoya, Aichi, Japan
| | - Aya Tomita
- School of International Liberal Studies, Chukyo University, Toyota, Aichi, Japan
| | - Hisashi Maeda
- Graduate School of Medicine, Nagoya University, Nagoya, Aichi, Japan
| | - Rodrigo Neske
- Exercise Research Laboratory (LAPEX), Federal University of Rio Grande do Sul (UFRGS), Port Alegre, RS, Brazil
| | - Juliana Teodoro
- Exercise Research Laboratory (LAPEX), Federal University of Rio Grande do Sul (UFRGS), Port Alegre, RS, Brazil
| | - Kazuhiro Maeda
- Graduate School of Education & Human Development, Nagoya University, Nagoya, Aichi, Japan
| | - Noriko Tanaka
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Aichi, Japan
- Graduate School of Education & Human Development, Nagoya University, Nagoya, Aichi, Japan
| | - Ronei Pinto
- Exercise Research Laboratory (LAPEX), Federal University of Rio Grande do Sul (UFRGS), Port Alegre, RS, Brazil
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Akima H, Yoshiko A, Ogawa M, Maeda H, Tomita A, Ando R, Tanaka NI. Quadriceps echo intensity can be an index of muscle size regardless of age in 65 or more years old. Exp Gerontol 2020; 138:111015. [DOI: 10.1016/j.exger.2020.111015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 06/18/2020] [Accepted: 06/24/2020] [Indexed: 01/12/2023]
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Implications of Tobacco Smoking and Alcohol Consumption on Ectopic Fat Deposition in Individuals After Pancreatitis. Pancreas 2020; 49:924-934. [PMID: 32658076 DOI: 10.1097/mpa.0000000000001600] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVES Tobacco smoking and alcohol consumption are established risk factors for pancreatitis. This study investigated the associations between tobacco smoking/alcohol consumption in people after an attack of pancreatitis and intrapancreatic fat deposition (IPFD), intrahepatic fat deposition (IHFD), and skeletal muscle (SMFD) fat deposition. METHODS In this cross-sectional study, magnetic resonance imaging was used to quantify IPFD, IHFD, and SMFD by 2 independent raters. A validated questionnaire was used to determine tobacco smoking and alcohol consumption. RESULTS A total of 119 individuals after an attack of pancreatitis were included. Average tobacco smoking contributed most to variance in IPFD (R = 6.5%) and least to variance in SMFD (R = 0.4%). Average alcohol consumption contributed most to variance in variance in IPFD (R = 2.8%) and least to IHFD (R = 1.1%). Packs/day contributed more than years of smoking to variance in IPFD (R = 4.9 and 0.2%, correspondingly), whereas years of drinking contributed more than average daily alcohol consumption (R = 3.9 and 3.2%, correspondingly). CONCLUSIONS Tobacco smoking and alcohol consumption contributed more to variance in IPFD than IHFD and SMFD. Smoking contributed more than drinking to variance in IPFD. The daily amount of tobacco smoked appeared to be more important than years of smoking for IPFD.
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Yoshiko A, Beppu M, Izumida R, Matsubara M, Otani T, Shiratsuchi H, Takahira N, Moritani T, Watanabe K. Long-term assessment of morphological, functional, and quantitative parameters of skeletal muscle in older patients after unilateral total hip arthroplasty. Exp Gerontol 2020; 137:110971. [DOI: 10.1016/j.exger.2020.110971] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 05/13/2020] [Accepted: 05/14/2020] [Indexed: 12/21/2022]
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Ogawa M, Yoshiko A, Tanaka N, Koike T, Oshida Y, Akima H. Comparing intramuscular adipose tissue on T1-weighted and two-point Dixon images. PLoS One 2020; 15:e0231156. [PMID: 32271803 PMCID: PMC7144956 DOI: 10.1371/journal.pone.0231156] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 03/17/2020] [Indexed: 12/25/2022] Open
Abstract
Purpose The purpose of this study was to compare intramuscular adipose tissue content determined by two-point Dixon imaging and T1-weighted imaging, calculated using thresholding techniques. Methods In total, 19 nonobese younger adults (26.2 ± 4.9 years) and 13 older adults (72.2 ± 6.0 years) were recruited. Axial images of the mid-thigh were taken using T1-weighted and two-point Dixon sequences with a 3.0 T whole-body magnetic resonance device and used to measure intramuscular adipose tissue content of the vastus lateralis, adductor magnus, and long head of the biceps femoris. Results There was no significant difference in intramuscular adipose tissue content between T1-weighted and two-point Dixon imaging for the vastus lateralis (11.0 ± 4.4% and 12.2 ± 2.4%); however, intramuscular adipose tissue content determined by T1-weighted imaging was significantly higher than that of two-point Dixon imaging for the other muscles. Bland-Altman analysis showed a proportional bias for intramuscular adipose tissue calculations in all three muscles. Conclusion The validity of intramuscular adipose tissue content measurements between T1-weighted and two-point Dixon imaging is muscle-specific. This study showed discrepancies of intramuscular adipose tissue content between T1-weighted and two-point Dixon imaging. Advances in knowledge This study’s results suggest that care should be taken when selecting an imaging modality for intramuscular adipose tissue, especially for patients who would be suspected to have higher intramuscular adipose tissue values.
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Affiliation(s)
- Madoka Ogawa
- Graduate School of Education and Human Development, Nagoya University, Nagoya, Aichi, Japan
- Japan Society for the Promotion of Science, Chiyoda-ku, Tokyo, Japan
- Nippon Sport Science University, Setagaya-ku, Tokyo, Japan
- * E-mail:
| | - Akito Yoshiko
- School of International Liberal Studies, Chukyo University, Nagoya, Japan
| | - Noriko Tanaka
- Graduate School of Education and Human Development, Nagoya University, Nagoya, Aichi, Japan
- Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
| | - Teruhiko Koike
- Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
- Graduate School of Medicine, Nagoya University 65 Tsurumai, Nagoya, Aichi, Japan
| | - Yoshiharu Oshida
- Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
- Graduate School of Medicine, Nagoya University 65 Tsurumai, Nagoya, Aichi, Japan
| | - Hiroshi Akima
- Graduate School of Education and Human Development, Nagoya University, Nagoya, Aichi, Japan
- Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
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Hioki M, Kanehira N, Koike T, Saito A, Shimaoka K, Sakakibara H, Oshida Y, Akima H. Age-related changes in muscle volume and intramuscular fat content in quadriceps femoris and hamstrings. Exp Gerontol 2020; 132:110834. [PMID: 31926218 DOI: 10.1016/j.exger.2020.110834] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 01/03/2020] [Accepted: 01/06/2020] [Indexed: 12/14/2022]
Abstract
Whether age-related changes in muscle components differ between the quadriceps femoris and hamstrings has remained unclear. This study aimed to compare the muscle volume and echo intensity-estimated intramuscular adipose tissue content of the vastus lateralis (VL) and long head of biceps femoris (BF) muscles between young and older adults. Thirty young adults (n = 15; mean age, 21 years) and older adults (n = 15; mean age, 71 years) participated in this study. Magnetic resonance imaging was performed to determine muscle volumes of the VL and BF, and muscle volume normalized to body weight (muscle volume/weight). Mean gray-scale echo intensity was calculated as the intramuscular adipose tissue index. Muscle volume/weight and echo intensity were normalized using Z-scores in young and older adults. Muscle volume/weight was lower in older adults than in young adults, and lower in overall women than in men for VL (both p < 0.001) and BF (p < 0.01 and p < 0.05). Echo intensity was higher in older adults than in young adults for VL and BF (both p < 0.001), but did not differ between men and women. Z-score of muscle volume/weight was lower in older adults than in young adults for VL (-2.41 ± 1.22; p < 0.05), and Z-score of echo intensity was higher in older adults than in young adults for BF (2.00 ± 0.68; p < 0.05). These results suggest that muscle volume of quadriceps femoris was lower in older adults than in young adults, whereas intramuscular adipose tissue content of hamstrings was greater in older adults than in young adults.
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Affiliation(s)
- Maya Hioki
- Graduate School of Medicine, Nagoya University, 65 Tsurumai, Showa-ku, Nagoya, Aichi 466-8550, Japan.
| | - Nana Kanehira
- Department of Health and Nutrition, Tokaigakuen University, 2-901 Nakahira, Tenpaku, Nagoya, Aichi 468-8514, Japan
| | - Teruhiko Koike
- Research Center of Health, Physical Fitness & Sports, Nagoya University, 1 Furo, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
| | - Akira Saito
- Graduate School of Arts and Sciences, College of Arts and Sciences, University of Tokyo, Komaba 3-8-1 Meguro-ku, Tokyo 153-8092, Japan; Japan Society for the Promotion of Science, Kojimachi, Chiyoda-ku, Tokyo 102-0083, Japan
| | - Kiyoshi Shimaoka
- Department of Human Wellness, Tokaigakuen University, 21-233 Nishinohora, Ukigai, Miyoshi, Aichi 470-0207, Japan
| | - Hisataka Sakakibara
- Graduate School of Medicine, Nagoya University, 65 Tsurumai, Showa-ku, Nagoya, Aichi 466-8550, Japan
| | - Yoshiharu Oshida
- Research Center of Health, Physical Fitness & Sports, Nagoya University, 1 Furo, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
| | - Hiroshi Akima
- Research Center of Health, Physical Fitness & Sports, Nagoya University, 1 Furo, Chikusa-ku, Nagoya, Aichi 464-8601, Japan
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Mechanical properties and collagen fiber orientation of tendon in young and elderly. Clin Biomech (Bristol, Avon) 2020; 71:5-10. [PMID: 31675513 DOI: 10.1016/j.clinbiomech.2019.10.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 08/09/2019] [Accepted: 10/11/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND The purpose of this study was to investigate differences in the mechanical properties and collagen fiber orientation of tendon structures between young and elderly groups. METHODS The mechanical properties of tendon structures in medial gastrocnemius muscle were measured using ultrasonography during ramp and ballistic contractions. Tendon collagen fiber orientation was estimated from coefficient of variation (CV) of echogenicity on transverse ultrasonic images of Achilles tendon. FINDINGS Differences in elongation between ramp and ballistic contractions of elderly were significantly smaller than those of young group at 20-80% of MVC. During ramp contraction, hysteresis of elderly was significantly higher than that of young, whereas no difference in hysteresis during ballistic contraction was found between the two groups. Difference in hysteresis between ramp and ballistic contractions of elderly tended to be lower than that of young group. Mean echogenicity of elderly was significantly higher than that of young group, whereas no difference in CV of echogenicity was found between the two groups. INTERPRETATION These results suggest that smaller differences in elongation and hysteresis between ramp and ballistic contractions of elderly may be related to decreased water content within tendons. Furthermore, no difference in collagen fiber orientation of tendons was noted between the two groups.
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Yoshiko A, Natsume Y, Makino T, Hayashi T, Umegaki H, Yoshida Y, Cheng XW, Kuzuya M, Ishida K, Koike T, Oshida Y, Akima H. Higher and Lower Muscle Echo Intensity in Elderly Individuals Is Distinguished by Muscle Size, Physical Performance and Daily Physical Activity. ULTRASOUND IN MEDICINE & BIOLOGY 2019; 45:2372-2380. [PMID: 31235206 DOI: 10.1016/j.ultrasmedbio.2019.05.029] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 05/21/2019] [Accepted: 05/28/2019] [Indexed: 06/09/2023]
Abstract
This study was performed to identify factors that discriminate muscle echo intensity (EI) among parameters of body composition, physical function and daily physical activity in elderly individuals. A total of 209 men and women (73.7 ± 2.8 y) were evaluated. EI was measured on ultrasonographic axial thigh muscle images. The participants were categorized into the low, mid and high EI groups. We measured the skeletal muscle mass index (SMI) and physical functions. The high EI group exhibited a significantly lower SMI, slower 5-m walking time and shorter 6-min walking distance than the low EI group and had a shorter moderate-intensity activity time than the mid EI group. As a result of the discriminant analysis, elderly individuals were categorized into EI groups by SMI, daily activity and physical function. The data indicate that morphologic and functional parameters and the daily activity level help to discriminate higher and lower muscle EI.
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Affiliation(s)
- Akito Yoshiko
- School of International Liberal Studies, Chukyo University, Toyota, Japan; Department of Sports Medicine, Graduate School of Medicine, Nagoya University, Japan.
| | - Yukie Natsume
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Japan
| | - Taeko Makino
- Department of Rehabilitation and Care, Seijoh University, Tokai, Japan; Institute of Innovation for Future Society, Nagoya University, Japan
| | - Takahiro Hayashi
- Department of Rehabilitation and Care, Seijoh University, Tokai, Japan
| | - Hiroyuki Umegaki
- Community Healthcare & Geriatrics, Graduate School of Medicine, Nagoya University, Japan
| | - Yasuko Yoshida
- Institute of Innovation for Future Society, Nagoya University, Japan; Innovative Research Center for Preventive Medical Engineering, Nagoya University, Japan
| | - Xian Wu Cheng
- Institute of Innovation for Future Society, Nagoya University, Japan; Community Healthcare & Geriatrics, Graduate School of Medicine, Nagoya University, Japan
| | - Masafumi Kuzuya
- Institute of Innovation for Future Society, Nagoya University, Japan; Community Healthcare & Geriatrics, Graduate School of Medicine, Nagoya University, Japan
| | - Koji Ishida
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Japan; Department of Exercise and Sports Physiology, Graduate School of Medicine, Nagoya University, Japan
| | - Teruhiko Koike
- Department of Sports Medicine, Graduate School of Medicine, Nagoya University, Japan; Research Center of Health, Physical Fitness & Sports, Nagoya University, Japan
| | | | - Hiroshi Akima
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Japan; Graduate School of Education and Human Development, Nagoya University, Japan
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Yanar K, Simsek B, Atukeren P, Aydin S, Cakatay U. Is D-Galactose a Useful Agent for Accelerated Aging Model of Gastrocnemius and Soleus Muscle of Sprague-Dawley Rats? Rejuvenation Res 2019; 22:521-528. [PMID: 31131732 DOI: 10.1089/rej.2019.2185] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Elderly population and age-related diseases are on the rise. On the contrary, aging studies are technically hard to conduct, because they require elderly animals, the maintenance of which requires ample effort and is expensive. To tackle this problem, D-galactose is used to hasten the aging process in various tissues in rodent models and it has been shown to successfully mimic the oxidative alterations that take place in the natural aging process in various tissues both by our group and others. In the present study, the validity of D-galactose aging model in skeletal muscles was tested both on predominantly slow-twitch (soleus) and rather fast-twitch (gastrocnemius) muscle in male Sprague-Dawley rats and the results are compared with young littermate controls and naturally aged rats. Redox-related modifications in soleus and gastrocnemius were assessed by measurement of protein carbonyl groups, advanced oxidation protein products, lipid hydroperoxides, total thiol, and Cu, Zn-superoxide dismutase activities. In the present study, we provide biochemical evidence demonstrating that D-galactose-induced mimetic aging does result in oxidative stress-related redox alterations that are comparable with the alterations that occur in natural aging in soleus. On the contrary, in the D-galactose-induced mimetic aging of gastrocnemius, even though the oxidative stress markers were significantly increased, the endpoint redox homeostasis markers were not statistically comparable with the redox status of naturally aged group.
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Affiliation(s)
- Karolin Yanar
- Department of Medical Biochemistry, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Bahadir Simsek
- Department of Medical Biochemistry, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Pinar Atukeren
- Department of Medical Biochemistry, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Seval Aydin
- Department of Medical Biochemistry, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Ufuk Cakatay
- Department of Medical Biochemistry, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
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Chantaramanee A, Tohara H, Nakagawa K, Hara K, Nakane A, Yamaguchi K, Yoshimi K, Junichi F, Minakuchi S. Association between echo intensity of the tongue and its thickness and function in elderly subjects. J Oral Rehabil 2019; 46:634-639. [PMID: 30869159 DOI: 10.1111/joor.12788] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 02/25/2019] [Accepted: 03/09/2019] [Indexed: 10/27/2022]
Abstract
BACKGROUND The tongue plays an important role during the oropharyngeal phase of swallowing. Each part of the tongue has a different function during swallowing. Ageing causes changes in muscle quantity and quality. Qualitative changes, such as an increase in intramuscular adipose tissue, can be determined by the echo intensity (EI) of the tongue on ultrasonography (US). OBJECTIVE To clarify the relationship between EI and thickness and function of the tongue. METHODS Ninety-four healthy elderly individuals (30 male, 64 female) aged >65 years (mean 71.10 ± 4.13 years) were enrolled. Tongue thickness (TT) and EI were determined by US. Tongue function was evaluated by measurement of tongue pressure and oral diadochokinesis (OD). Multiple regression analysis was used to identify the factor with the strongest influence on EI of the tongue. RESULTS The mean thickness of the middle of the tongue was 40.42 ± 4.24 mm and that of the base was 23.35 ± 3.32 mm; the respective EI values were 46.54 ± 9.33 and 49.33 ± 9.83. The average OD rates for /ta/ and /ka/ were 5.73 ± 1.09 and 5.40 ± 1.00 times/s, respectively. Multiple regression analysis for EI showed that /ta/ (β = -2.518, P = 0.042) and thickness of the middle of the tongue (β = -1.278, P < 0.001) were significant independent variables. Similarly, the EI at the base of the tongue showed that /ka/ (β = -4.038, P = 0.021) and base of TT (β = -0.913, P = 0.004) were significant independent variables. CONCLUSION EI may be an indicator of TT and OD in both the middle and base of the tongue. Ultrasound is beneficial for evaluating TT and function.
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Affiliation(s)
- Ariya Chantaramanee
- Department of Gerodontology, Division of Gerontology and Gerodontology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Haruka Tohara
- Department of Gerodontology, Division of Gerontology and Gerodontology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kazuharu Nakagawa
- Department of Gerodontology, Division of Gerontology and Gerodontology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Koji Hara
- Department of Gerodontology, Division of Gerontology and Gerodontology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ayako Nakane
- Department of Gerodontology, Division of Gerontology and Gerodontology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kohei Yamaguchi
- Department of Gerodontology, Division of Gerontology and Gerodontology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kanako Yoshimi
- Department of Gerodontology, Division of Gerontology and Gerodontology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Furuya Junichi
- Oral Health Sciences for Community Welfare, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shunsuke Minakuchi
- Department of Gerodontology, Division of Gerontology and Gerodontology, Tokyo Medical and Dental University, Tokyo, Japan
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Yoshiko A, Kaji T, Sugiyama H, Koike T, Oshida Y, Akima H. Twenty-Four Months' Resistance and Endurance Training Improves Muscle Size and Physical Functions but Not Muscle Quality in Older Adults Requiring Long-Term Care. J Nutr Health Aging 2019; 23:564-570. [PMID: 31233079 DOI: 10.1007/s12603-019-1208-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
OBJECTIVES To assess the effects of 24 months training on muscle quality, size, strength, and gait abilities in older adults who need long-term care. DESIGN Non-randomized controlled trial Setting: Kawai Rehabilitation Center and Kajinoki Medical Clinic. PARTICIPANTS Ten older participants who needed long-term care (age, 76.7 ± 5.6 years) were participated as training group (Tr-group) and 10 older men and women who did not require long-term care (age, 72.9 ± 6.6 years) comprised the control group (Cont-group). INTERVENTION Tr-group performed resistive and endurance exercises once or twice a week for 24 months. MEASUREMENTS Using ultrasound images, echo intensity (EI) and muscle thickness were measured in the rectus femoris and biceps femoris as an index of muscle quality and size. Physical performance was measured before and after the training; performance parameters included knee extension peak torque, 5-m normal and maximal walk test, sit-to-stand and timed up and go test. RESULTS After the training, there was no change in EI, while BF thickness was increased (pre; 1.82 ± 0.29 cm, 24 months; 2.14 ± 0.23 cm, p < 0.05) in Tr-group. Walk-related performances were improved after the training in Tr-group (i.e. 5-m walk test and timed up and go test). The percent change of knee extension peak torque explained the percent change of EI in the rectus femoris (regression coefficient = 1.24, R = 0.91, adjusted R2 = 0.82, p < 0.001). CONCLUSIONS Twenty-four months' training induced muscle hypertrophy and improved physical functions. Increased muscle quality in the rectus femoris could be a key to improved knee extension peak torque, with the potential to eventually reduce the need for long-term care in older individuals.
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Affiliation(s)
- A Yoshiko
- Akito Yoshiko, Ph.D. School of International Liberal Studies, Chukyo University, 101 Tokodachi, Kaizu, Toyota, Aichi 470-0393, Japan, Tel: +81 (565) 46-6952, E-mail:
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Akima H, Kainuma K, Togashi K. Abdominal and Thigh Muscle Attenuation Is Associated With Visceral Fat and Age in Children and Adolescents With Obesity. Glob Pediatr Health 2018; 5:2333794X18817121. [PMID: 30547060 PMCID: PMC6287293 DOI: 10.1177/2333794x18817121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 11/01/2018] [Accepted: 11/08/2018] [Indexed: 12/25/2022] Open
Abstract
Objective. This study investigated relationships between adipose tissue deposition within skeletal muscle and morphological and biochemical variables in children with obesity. Methods. Fifty-one Japanese children (16 girls) aged 7 to 16 years were assigned to either mild (<20%), moderate (≥20% to <50%), or severe obesity groups (≥50%). Computed tomography images were taken to calculate the cross-sectional area (CSA) of muscle, subcutaneous and visceral adipose tissue (VAT, for abdomen only), and muscle signal intensities, as an index of intramuscular adipose tissue in the anterior, lateral, and posterior muscles of the abdomen and quadriceps, hamstring and adductor muscles in the thigh. Fasting blood samples were collected to measure plasma lipids, glutamate oxaloacetate transaminase, glutamate oxaloacetate transaminase, uric acid, glucose, and HbA1c. Results. Signal intensity in the severe obesity group was significantly lower than mild and moderate obesity groups in the abdomen and significantly lower than the moderate obesity group in the thigh. Stepwise regression analysis with signal intensity as dependent variable revealed that VAT CSA and age in abdominal muscles and VAT CSA, age, and triglycerides in thigh muscles are predictors of signal intensities. Conclusions. These results suggest that VAT CSA and age are predictors of intramuscular adipose tissue of the abdominal and thigh in children with obesity.
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Yoshiko A, Tomita A, Ando R, Ogawa M, Kondo S, Saito A, Tanaka NI, Koike T, Oshida Y, Akima H. Effects of 10-week walking and walking with home-based resistance training on muscle quality, muscle size, and physical functional tests in healthy older individuals. Eur Rev Aging Phys Act 2018; 15:13. [PMID: 30473735 PMCID: PMC6240935 DOI: 10.1186/s11556-018-0201-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 11/06/2018] [Indexed: 02/08/2023] Open
Abstract
Background Older individuals have been shown to present muscle atrophy in conjunction with increased fat fraction in some muscles. The proportion of fat and connective tissue within the skeletal muscle can be estimated from axial B-mode ultrasound images using echo intensity (EI). EI was used to calculate the index of muscle quality. Walking, home-based weight-bearing resistance training, and its combinations are considered simple, easy, and practical exercise interventions for older adults. The purpose of this study was to quantify the effects of walking and walking with home-based resistance training on muscle quality of older individuals. Methods Thirty-one participants performed walking training only (W-group; 72 ± 5 years) and 33 participants performed walking and home-based resistance training (WR-group; 73 ± 6 years). This study was a non-randomized controlled trial with no control group. All participants were instructed to walk 2 or 3 sets per week for 10 weeks (one set: 30-min continuous walking). In addition, the WR-group performed home-based weight-bearing resistance training. EI was measured as a muscle quality index using axial B-mode ultrasound images of the rectus femoris and vastus lateralis of the mid-thigh. We further averaged these parameters to obtain the EI of the quadriceps femoris (QF). Participants further performed five functional tests: sit-ups, supine up, sit-to-stand, 5-m maximal walk, and 6-min walk. Results QF EI was significantly decreased in both groups after training (W-group 69.9 ± 7.4 a.u. to 61.7 ± 7.0 a.u., WR-group 64.0 ± 9.5 a.u. to 51.1 ± 10.0 a.u.; P < 0.05), suggesting improved muscle quality. QF EI was further decreased in the WR-group compared with the W-group. The sit-up test in both groups and the sit-to-stand and 5-m maximal walk tests in the W-group were significantly improved after training. Conclusion These results suggest that training-induced stimulation is associated with a decrease in EI in some thigh regions. Furthermore, the addition of home-based resistance training to walking would be effective for a greater reduction of EI.
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Affiliation(s)
- Akito Yoshiko
- 1Graduate School of Medicine, Nagoya University, Nagoya, Japan.,6School of International Liberal Studies, Chukyo University, Toyota, Japan
| | - Aya Tomita
- 2Graduate School of Education and Human Development, Nagoya University, Nagoya, Japan
| | - Ryosuke Ando
- 3Japan Society for the Promotion of Science, Tokyo, Japan.,4Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
| | - Madoka Ogawa
- 2Graduate School of Education and Human Development, Nagoya University, Nagoya, Japan.,3Japan Society for the Promotion of Science, Tokyo, Japan
| | - Shohei Kondo
- 2Graduate School of Education and Human Development, Nagoya University, Nagoya, Japan
| | - Akira Saito
- 5Faculty of Sports Sciences, Waseda University, Saitama, Japan
| | - Noriko I Tanaka
- 2Graduate School of Education and Human Development, Nagoya University, Nagoya, Japan.,4Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
| | - Teruhiko Koike
- 1Graduate School of Medicine, Nagoya University, Nagoya, Japan.,4Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
| | - Yoshiharu Oshida
- 1Graduate School of Medicine, Nagoya University, Nagoya, Japan.,4Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
| | - Hiroshi Akima
- 2Graduate School of Education and Human Development, Nagoya University, Nagoya, Japan.,4Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
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Yoshiko A, Yamauchi K, Kato T, Ishida K, Koike T, Oshida Y, Akima H. Effects of post-fracture non-weight-bearing immobilization on muscle atrophy, intramuscular and intermuscular adipose tissues in the thigh and calf. Skeletal Radiol 2018; 47:1541-1549. [PMID: 29948037 DOI: 10.1007/s00256-018-2985-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 05/22/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Disuse and/or a non-weight-bearing condition changes muscle composition, with decreased skeletal muscle tissue and increased fat within (intramuscular adipose tissue, IntraMAT) and between (intermuscular adipose tissue, InterMAT) given muscles. Excessive adipose tissue contributes to dysfunctional and metabolically impaired muscle. How these adipose tissues change during orthopedic treatment (e.g., cast immobilization, daily use of crutches) is not well documented. This study aimed to quantify changes in IntraMAT, InterMAT, and thigh and calf muscle tissue during orthopedic treatment. MATERIALS AND METHODS We studied 8 patients with fifth metatarsal bone or fibular fractures. The ankle joint involved underwent plaster casting for approximately 4 weeks, with crutches used during that time. Axial T1-weighted MRI at the mid-thigh and a 30% proximal site at the calf were obtained to measure IntraMAT and InterMAT cross-sectional areas (CSAs) and skeletal muscle tissue CSA before treatment and 4 weeks afterward. RESULTS Thigh and calf muscle tissue CSAs were significantly decreased from before to after treatment: thigh, 85.8 ± 7.6 to 77.1 ± 7.3 cm2; calf, 53.3 ± 5.5 to 48.9 ± 5.0 cm2 (p < 0.05). None of the IntraMAT or InterMAT changes was statistically significant. There was a relation between the percentage change of thigh IntraMAT CSA and muscle tissue CSA (rs = -0.86, p < 0.01). CONCLUSIONS The 4 weeks of treatment primarily induced skeletal muscle atrophy with less of an effect on IntraMAT or InterMAT. There is a risk of increasing IntraMAT relatively by decreasing skeletal muscle tissue size during orthopedic treatment.
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Affiliation(s)
- Akito Yoshiko
- Graduate School of Medicine, Nagoya University, Nagoya, Japan.
| | - Koun Yamauchi
- Graduate School of Medicine, Nagoya University, Nagoya, Japan
- Department of Orthopedic Surgery, Akita Hospital, Chiryu, Japan
| | - Takayuki Kato
- Department of Orthopedic Surgery, Akita Hospital, Chiryu, Japan
| | - Koji Ishida
- Graduate School of Medicine, Nagoya University, Nagoya, Japan
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Japan
| | - Teruhiko Koike
- Graduate School of Medicine, Nagoya University, Nagoya, Japan
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Japan
| | - Yoshiharu Oshida
- Graduate School of Medicine, Nagoya University, Nagoya, Japan
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Japan
| | - Hiroshi Akima
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Japan
- Graduate School of Education and Human Development, Nagoya University, Nagoya, Japan
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Relationship between physical activity and intramyocellular lipid content is different between young and older adults. Eur J Appl Physiol 2018; 119:113-122. [PMID: 30306258 DOI: 10.1007/s00421-018-4005-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 10/01/2018] [Indexed: 02/06/2023]
Abstract
PURPOSE Intramyocellular lipid (IMCL) is influenced by physical exercise; however, whether the habitual level of physical activity affects resting IMCL content remains unclear. The purpose of this study was to determine the relationship between physical activity levels and resting IMCL content in young and older adults. METHODS In total, 15 nonobese young adults (21.0 ± 0.0 years) and 15 older adults (70.7 ± 3.8 years) were recruited. Time spent performing physical activities for 10 days was assessed using a three-dimensional ambulatory accelerometer, and intensity was categorized as light [< 3.0 metabolic equivalents (METs)], moderate (3.0-6.0 METs), or vigorous (> 6.0 METs). Physical activity level was calculated as the product of METs and time spent performing physical activities (MET h) at each intensity level. The IMCL content in the vastus lateralis was determined using 1H-magnetic resonance spectroscopy after overnight fasting. RESULTS No significant differences in IMCL content were observed between young and older adults. Vigorous intensity physical activity (time and MET h) was significantly lower in older than young adults (p < 0.01); this difference was not observed for light and moderate intensity physical activity. Light intensity physical activity (time and MET h) was significantly and inversely correlated with IMCL content in young adults (r = - 0.59 and r = - 0.58; both p < 0.05), but not in older adults. CONCLUSIONS These results suggest that daily light intensity physical activity reduces resting IMCL content in young adults, whereas no significant relationship was seen between daily physical activity and resting IMCL content in older adults.
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Muscle quality characteristics of muscles in the thigh, upper arm and lower back in elderly men and women. Eur J Appl Physiol 2018; 118:1385-1395. [DOI: 10.1007/s00421-018-3870-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 04/17/2018] [Indexed: 12/14/2022]
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Effects of daily walking on intermuscular adipose tissue accumulation with age: a 5-year follow-up of participants in a lifestyle-based daily walking program. Eur J Appl Physiol 2018; 118:785-793. [DOI: 10.1007/s00421-018-3812-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 01/06/2018] [Indexed: 01/14/2023]
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Yoshiko A, Kaji T, Sugiyama H, Koike T, Oshida Y, Akima H. Effect of 12-month resistance and endurance training on quality, quantity, and function of skeletal muscle in older adults requiring long-term care. Exp Gerontol 2017; 98:230-237. [DOI: 10.1016/j.exger.2017.08.036] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 07/27/2017] [Accepted: 08/24/2017] [Indexed: 12/25/2022]
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Akima H, Yoshiko A, Tomita A, Ando R, Saito A, Ogawa M, Kondo S, Tanaka NI. Relationship between quadriceps echo intensity and functional and morphological characteristics in older men and women. Arch Gerontol Geriatr 2017; 70:105-111. [DOI: 10.1016/j.archger.2017.01.014] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 11/25/2016] [Accepted: 01/17/2017] [Indexed: 12/25/2022]
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Yoshiko A, Hioki M, Kanehira N, Shimaoka K, Koike T, Sakakibara H, Oshida Y, Akima H. Three-dimensional comparison of intramuscular fat content between young and old adults. BMC Med Imaging 2017; 17:12. [PMID: 28183279 PMCID: PMC5301428 DOI: 10.1186/s12880-017-0185-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 01/30/2017] [Indexed: 01/30/2023] Open
Abstract
Background Fat infiltration within skeletal muscle is known as intramuscular fat (IMF), which increases with aging. Studies have assessed IMF content, using the mid-thigh as a representative location. However, three-dimensional IMF distribution is not well understood. The aim of this study was to compare the IMF content in young and old adults by assessing its distribution along the length of the thigh. Methods Consecutive transaxial images of the right thighs in 15 young (age, 21.0 ± 0.4) and 15 old (age, 70.7 ± 3.8) were obtained by magnetic resonance imaging. We measured IMF cross-sectional area (CSA), skeletal muscle CSA and calculated volume- and CSA-based IMF content for the quadriceps femoris (QF), hamstring (HM) and adductor (AD). CSA-based calculations were performed at every 10% of femur length (Lf), with 0% Lf and 100% Lf indicating the proximal and distal ends of femur. Results IMF CSAs along the length of the thigh were similar in both age groups. In contrast, skeletal muscle CSAs in all three muscle groups were significantly lower in old adults than in young adults (variation: −15.2 to −1.6 cm2, P < 0.05). Thus, in volume-based measurements, the older adults had higher IMF contents than the younger adults (9.5% to 14.3% vs. 4.8% to 8.6%, respectively; P < 0.05). However, such age-dependent differences were not observed at the mid-thigh in the QF and AD. Conclusion The results demonstrated an age-related increase in IMF content—confirmed in areas of the thigh—primarily based on finding lower amounts of skeletal muscle mass in CSAs in the older adults.
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Affiliation(s)
- Akito Yoshiko
- Graduate School of Medicine, Nagoya University, Nagoya, Japan.
| | - Maya Hioki
- Graduate School of Medicine, Nagoya University, Nagoya, Japan
| | - Nana Kanehira
- Faculty of Human Wellness and Nutrition, Tokaigakuen University, Nagoya, Japan
| | - Kiyoshi Shimaoka
- Faculty of Human Wellness, Tokaigakuen University, Miyoshi, Japan
| | - Teruhiko Koike
- Graduate School of Medicine, Nagoya University, Nagoya, Japan.,Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Japan
| | | | - Yoshiharu Oshida
- Graduate School of Medicine, Nagoya University, Nagoya, Japan.,Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Japan
| | - Hiroshi Akima
- Research Center of Health, Physical Fitness & Sports, Nagoya University, Nagoya, Japan.,Graduate School of Education and Human Development, Nagoya University, Nagoya, Japan
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Ogawa M, Lester R, Akima H, Gorgey AS. Quantification of intermuscular and intramuscular adipose tissue using magnetic resonance imaging after neurodegenerative disorders. Neural Regen Res 2017; 12:2100-2105. [PMID: 29323052 PMCID: PMC5784361 DOI: 10.4103/1673-5374.221170] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Ectopic adiposity has gained considerable attention because of its tight association with metabolic and cardiovascular health in persons with spinal cord injury (SCI). Ectopic adiposity is characterized by the storage of adipose tissue in non-subcutaneous sites. Magnetic resonance imaging (MRI) has proven to be an effective tool in quantifying ectopic adiposity and provides the opportunity to measure different adipose depots including intermuscular adipose tissue (IMAT) and intramuscular adipose tissue (IntraMAT) or intramuscular fat (IMF). It is highly important to distinguish and clearly define these compartments, because controversy still exists on how to accurately quantify these adipose depots. Investigators have relied on separating muscle from fat pixels based on their characteristic signal intensities. A common technique is plotting a threshold histogram that clearly separates between muscle and fat peaks. The cut-offs to separate between muscle and fat peaks are still not clearly defined and different cut-offs have been identified. This review will outline and compare the Midpoint and Otsu techniques, two methods used to determine the threshold between muscle and fat pixels on T1 weighted MRI. The process of water/fat segmentation using the Dixon method will also be outlined. We are hopeful that this review will trigger more research towards accurately quantifying ectopic adiposity due to its high relevance to cardiometabolic health after SCI.
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Affiliation(s)
- Madoka Ogawa
- Graduate School of Education & Human Development, Nagoya University, Nagoya; Society for Promotion of Science, Tokyo, Japan
| | - Robert Lester
- Spinal Cord Injury and Disorders Center, Hunter Holmes McGuire VAMC, Richmond, VA, USA
| | - Hiroshi Akima
- Graduate School of Education & Human Development, Nagoya University; Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan
| | - Ashraf S Gorgey
- Spinal Cord Injury and Disorders Center, Hunter Holmes McGuire VAMC; Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond, VA, USA
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Akima H, Hioki M, Yoshiko A, Koike T, Sakakibara H, Takahashi H, Oshida Y. Intramuscular adipose tissue determined by T1-weighted MRI at 3T primarily reflects extramyocellular lipids. Magn Reson Imaging 2015; 34:397-403. [PMID: 26743430 DOI: 10.1016/j.mri.2015.12.038] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Accepted: 12/27/2015] [Indexed: 12/14/2022]
Abstract
PURPOSE The purpose of this study was to assess relationships between intramuscular adipose tissue (IntraMAT) content determined by MRI and intramyocellular lipids (IMCL) and extramyocellular lipids (EMCL) determined by (1)H magnetic resonance spectroscopy ((1)H MRS) or echo intensity determined by B-mode ultrasonography of human skeletal muscles. METHODS Thirty young and elderly men and women were included. T1-weighted MRI was taken from the right mid-thigh to measure IntraMAT content of the vastus lateralis (VL) and biceps femoris (BF) using a histogram shape-based thresholding technique. IMCL and EMCL were measured from the VL and BF at the right mid-thigh using (1)H MRS. Ultrasonographic images were taken from the VL and BF of the right mid-thigh to measure echo intensity based on gray-scale level for quantitative analysis. RESULTS There was a significant correlation between IntraMAT content by MRI and EMCL of the VL and BF (VL, r=0.506, P<0.01; BF, r=0.591, P<0.001) and between echo intensity and EMCL of the VL and BF (VL, r=0.485, P<0.05; BF, r=0.648, P<0.01). IntraMAT content was also significantly correlated with echo intensity of the VL and BF (VL, r=0.404, P<0.05; BF, r=0.493, P<0.01). CONCLUSION Our study suggests that IntraMAT content determined by T1-weighted MRI at 3T primarily reflects extramyocellular lipids, not intramyocellular lipids, in human skeletal muscles.
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Affiliation(s)
- Hiroshi Akima
- Research Center of Health, Physical Fitness & Sports, 1 Furo, Chikusa, Nagoya, Aichi, 4648601, Japan; Graduate School of Education & Human Development, Nagoya University, 1 Furo, Chikusa, Nagoya, Aichi, 4648601, Japan.
| | - Maya Hioki
- Graduate School of Medicine, Nagoya University, 65 Tsurumai, Showa, Nagoya, Aichi 4668550, Japan
| | - Akito Yoshiko
- Graduate School of Medicine, Nagoya University, 65 Tsurumai, Showa, Nagoya, Aichi 4668550, Japan
| | - Teruhiko Koike
- Research Center of Health, Physical Fitness & Sports, 1 Furo, Chikusa, Nagoya, Aichi, 4648601, Japan; Graduate School of Medicine, Nagoya University, 65 Tsurumai, Showa, Nagoya, Aichi 4668550, Japan
| | - Hisataka Sakakibara
- Graduate School of Medicine, Nagoya University, 65 Tsurumai, Showa, Nagoya, Aichi 4668550, Japan
| | - Hideyuki Takahashi
- Japan Institute of Sports Sciences, 3-15-1 Nishigaoka, Kita, Tokyo 1150056, Japan
| | - Yoshiharu Oshida
- Research Center of Health, Physical Fitness & Sports, 1 Furo, Chikusa, Nagoya, Aichi, 4648601, Japan; Graduate School of Medicine, Nagoya University, 65 Tsurumai, Showa, Nagoya, Aichi 4668550, Japan
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Hioki M, Kanehira N, Koike T, Saito A, Takahashi H, Shimaoka K, Sakakibara H, Oshida Y, Akima H. Associations of intramyocellular lipid in vastus lateralis and biceps femoris with blood free fatty acid and muscle strength differ between young and elderly adults. Clin Physiol Funct Imaging 2015; 36:457-463. [DOI: 10.1111/cpf.12250] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Accepted: 03/04/2015] [Indexed: 01/07/2023]
Affiliation(s)
- Maya Hioki
- Graduate School of Medicine; Nagoya University; Showa-ku Nagoya Aichi Japan
| | - Nana Kanehira
- School of Health and Nutrition; Tokaigakuen University; Tenpaku Nagoya Aichi Japan
| | - Teruhiko Koike
- Research Center of Health, Physical Fitness & Sports; Nagoya University; Chikusa-ku Nagoya Aichi Japan
| | - Akira Saito
- Graduate School of Education and Human Development; Nagoya University; Chikusa-ku Nagoya Aichi Japan
- Japan Society for the Promotion of Science; Tokyo Japan
| | | | - Kiyoshi Shimaoka
- School of Sport and Health Science; Tokaigakuen University; Ukigai Miyoshi Aichi Japan
| | | | - Yoshiharu Oshida
- Research Center of Health, Physical Fitness & Sports; Nagoya University; Chikusa-ku Nagoya Aichi Japan
| | - Hiroshi Akima
- Research Center of Health, Physical Fitness & Sports; Nagoya University; Chikusa-ku Nagoya Aichi Japan
- Graduate School of Education and Human Development; Nagoya University; Chikusa-ku Nagoya Aichi Japan
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