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Furuya T, Kitahama S, Tamura Y, Ogawa S, Nakatani Y, Yasu T. Factors Affecting Arterial Stiffness and Brachial-Ankle Pulse Wave Velocity in Patients With Type 2 Diabetes. Cureus 2024; 16:e68561. [PMID: 39364524 PMCID: PMC11449494 DOI: 10.7759/cureus.68561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/03/2024] [Indexed: 10/05/2024] Open
Abstract
Background We defined the progression of atherosclerosis in patients by brachial-ankle pulse wave velocity (ba-PWV) and determined the relationship between ba-PWV and body composition factors, muscle strength, and patient characteristics. Methodology The arterial stiffness index, body composition, anthropometric parameters, blood test data, and background factors were evaluated in 109 patients with type 2 diabetes mellitus (T2DM). Statistical analysis was conducted using logistic regression analysis and analysis of covariance (p < 0.05). Results The mean age of the participants was 62.87 ± 12.11 years, body mass index (BMI) was 25.72 ± 4.35 kg/m², ba-PWV was 1653.08 ± 366.55 cm/s, systolic blood pressure was 138.87 ± 16.74 mmHg, the number of years of disease was 11.17 ± 9.51 years, and hemoglobin A1c value was 6.90 ± 0.74%. Binomial logistic regression analysis of ba-PWV divided into two groups by arterial stiffness index, ≥ (or <) 1,400 cm/s, showed systolic blood pressure (odds ratio = 1.11, 95% confidence interval = 1.05-1.18, p < 0.001), BMI, and number of years of disease were significant independent variables. The cut-off value for BMI was 26.28 kg/m². BMI was a significant explanatory factor for ba-PWV in the analysis of covariance (p < 0.001). Conclusion BMI was associated with the incidence of atherosclerosis in patients with T2DM. We proposed a cut-off value for BMI below which the atherosclerosis index increased, a result that may reflect the influence of the metabolic paradox.
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Affiliation(s)
- Tomoki Furuya
- Department of Cardiovascular Medicine and Nephrology, Dokkyo Medical University Nikko Medical Center, Nikko, JPN
- Research Team for Social Participation and Healthy Aging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Itabashi, JPN
- Department of Physical Therapy, Igaku Academy, Kawagoe, JPN
| | - Shinji Kitahama
- Department of Endocrinology, Kawatsuru Plaza Clinic, Kawagoe, JPN
| | - Yuma Tamura
- Department of Rehabilitation, Dokkyo Medical University Nikko Medical Center, Nikko, JPN
| | - Susumu Ogawa
- Research Team for Social Participation and Healthy Aging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Itabashi, JPN
| | - Yuki Nakatani
- Department of Diabetes and Endocrinology, Dokkyo Medical University Nikko Medical Center, Nikko, JPN
| | - Takanori Yasu
- Department of Cardiovascular Medicine and Nephrology, Dokkyo Medical University Nikko Medical Center, Nikko, JPN
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Hirano M, Katoh M. Reliability of belt-stabilized handheld or isokinetic dynamometer-based isometric knee-extensor strength-testing when seated with the toes of the contralateral nonexamined side off the floor. J Phys Ther Sci 2024; 36:402-406. [PMID: 39092411 PMCID: PMC11290865 DOI: 10.1589/jpts.36.402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 05/04/2024] [Indexed: 08/04/2024] Open
Abstract
[Purpose] To determine the intra-rater and inter-devices reliability of isometric knee-extensor muscle-strength-measurement. [Participants and Methods] The participants were 77 university students (50 males; 27 females) who underwent isometric knee-extension muscle-strength measurement twice with a belt-stabilized handheld dynamometer and isokinetic dynamometer. The intra-rater and inter-devices reliability was ascertained from measurements that were performed with the participant seated on the edge of the bed, the toes of the contralateral nonexamined side off the floor, and the trunk supported by the upper limb. [Results] In the overall, male, and female cohorts, the 95% confidence intervals of intra-rater reliabilities (1,1) in the belt-stabilized handheld and isokinetic dynamometers were 0.96-0.98, 0.92-0.97, and 0.81-0.96, 0.82-0.92, 0.73-0.90, and 0.78-0.95, respectively, and the inter-device 95% confidence intervals were 0.52-0.77, 0.28-0.69, and -0.03 to 0.63, respectively. Compared to the belt-stabilized handheld dynamometer group, the isokinetic dynamometer group had higher knee-extension muscle strength. [Conclusion] The intra-rater reliability was rated good-to-excellent and moderate-to-excellent for the belt-stabilized handheld and isokinetic dynamometers, respectively. The inter-devices reliability was poor, and isometric knee-extension muscle strength in the isokinetic dynamometer group was higher than that in the belt-stabilized handheld dynamometer group.
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Affiliation(s)
- Masahiro Hirano
- Department of Physical Therapy, Faculty of Health Sciences,
SBC Tokyo Medical University: 5-8-1 Akemi, Urayasu-shi, Chiba 279-8567, Japan
| | - Munenori Katoh
- Department of Physical Therapy, Faculty of Health Sciences,
SBC Tokyo Medical University: 5-8-1 Akemi, Urayasu-shi, Chiba 279-8567, Japan
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Anan M, Tokuda K, Tanimoto K, Sawada T. The relationship between knee flexion excursion and mechanical stress during gait in medial knee osteoarthritis. Clin Biomech (Bristol, Avon) 2024; 112:106180. [PMID: 38219456 DOI: 10.1016/j.clinbiomech.2024.106180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/01/2024] [Accepted: 01/08/2024] [Indexed: 01/16/2024]
Abstract
BACKGROUND A decrease in knee flexion excursion during the loading response may affect not only quadriceps muscle weakness, pain, and inflammatory symptoms, but also lead to physical function decline and activity limitation. The aim of this investigation was to clarify the relationship between knee flexion excursion during the loading response and mechanical stress on the knee joint, muscle strength, pain, and physical function in patients with knee osteoarthritis. METHODS Twenty patients diagnosed with medial knee osteoarthritis. The participants walked along a 10 m corridor in the laboratory at a comfortable pace. The kinematic and kinetic data were collected using a 3D motion analysis system. We employed to control for gait speed and age while examining the relationship between knee flexion excursion during the loading response and mechanical stress on the knee joint, muscle strength, pain, and physical function. FINDINGS Knee flexion excursion showed a significant positive correlation with the peak and angular impulse of knee flexion moment. In the partial correlation coefficients controlling for age and gait speed, significant negative correlations were found between knee flexion excursion and knee adduction moment angular impulse. INTERPRETATION It can be inferred that gait with reduced knee flexion movement during the loading response in patients with knee osteoarthritis may result in increased mechanical stress on the knee joint in the frontal plane. Exercise interventions aimed at increasing knee flexion excursion may result in a reduction in disease progression.
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Affiliation(s)
- Masaya Anan
- Physical Therapy Course, Faculty of Welfare and Health Science, Oita University, 700, Dannoharu, Oita-shi, Oita 870-1192, Japan.
| | - Kazuki Tokuda
- Department of Physical Therapy, Kurume Rehabilitation Institute, 1541 Mizuhara, Hirokawa-cho, Yame-gun, Fukuoka 834-0102, Japan
| | - Kenji Tanimoto
- Department of Rehabilitation, Mori Orthopaedic Clinic, 1-3-16 Hikarimachi Higashi-ku, Hiroshima-shi, Hiroshima 732-0052, Japan
| | - Tomonori Sawada
- Department of Orthopaedic Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
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Guimaraes Araujo S, Rocha Nascimento L, Ramiro Felício L. Functional tests in women with patellofemoral pain: Which tests make a difference in physical therapy evaluation. Knee 2023; 42:347-356. [PMID: 37148617 DOI: 10.1016/j.knee.2023.04.012] [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] [Received: 10/18/2022] [Revised: 03/24/2023] [Accepted: 04/11/2023] [Indexed: 05/08/2023]
Abstract
BACKGROUND Patellofemoral pain (PFP) is characterized by anterior knee, which intensifies during functional activities that require the eccentric action of the quadriceps muscle, specially. In ths way, quantitatively measurable functional tests that simulate these activities should be included in the physical therapy evaluation. OBJECTIVE To identify which functional tests are most indicated for the evaluation of women with PFD. METHOD This study evaluated 100 young women (50 with PFP), during the execution of the following functional performance tests: Triple hop, Vertical Jump, Single leg squat, Step Down, YBalance tests, Lunge test and running. Dynamic valgus was also assessed in the tests. The isometric muscle strength of the following muscle groups: hip abductors, extensors and lateral rotators, knee extensors, evertors, and plantar flexors were evaluated. Functional Perception were evaluated by Anterior Knee Pain Scale and Activities of Daily Living Scale. RESULTS PFP group showed lower performance during the Y-Balance, triple hop, vertical jump tests and running. Was observed an increase in dynamic valgus during Triple Hop, Vertical Jump tests and running in PFP group, besides a poorer perception of function. For all lower limb muscle groups, the PFP group showed a reduction in peak isometric force. CONCLUSION The YBalance, triple hop, vertical jump tests, and running should be included in the physical therapy evaluation, in addition to aspects of lower limb muscle strength.
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Affiliation(s)
- Samara Guimaraes Araujo
- Post Graduation Program in Physical Therapy, Universidade Federal de Uberlândia, Minas Gerais, Brazil
| | | | - Lilian Ramiro Felício
- Post Graduation Program in Physical Therapy, Universidade Federal de Uberlândia, Minas Gerais, Brazil; Physical Therapy Course, Universidade Federal de Uberlândia, Minas Gerais, Brazil.
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Zelko A, Rosenberger J, Kolarcik P, Madarasova Geckova A, van Dijk JP, Reijneveld SA. Age and sex differences in the effectiveness of intradialytic resistance training on muscle function. Sci Rep 2023; 13:3491. [PMID: 36859437 PMCID: PMC9977769 DOI: 10.1038/s41598-023-30621-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 02/27/2023] [Indexed: 03/03/2023] Open
Abstract
Previous research shows the beneficial effects of an intradialytic resistance training (IRT) on muscle function in haemodialysis patients. However, patients vary highly in their functional responses to IRT, may be due to effects of age and sex heterogeneities in adaptation. Therefore, the aim of this study was to investigate the degree to which the effects of IRT on the muscle function of haemodialysis patients vary by age and sex. We included 57 patients who completed a 12-week IRT (EXG) and 33 patients who received no IRT (CNG) during haemodialysis. Muscle function (MF) was assessed using dynamometry before and after a 12-week intervention and after a 12-week follow-up. After the 12-week intervention, we found a moderation effect of age in the relative (%) change (p = 0.011) and absolute (Δ) change (p = 0.027) of MF, and a moderation effect of sex in %MF (p = 0.001), but not in ΔMF (p = 0.069). Regarding patients' age, the change of MF was only significantly different between EXG and CNG patients aged 60-70 years (%MF, EXG: + 34.6%, CNG: - 20.1%, p < 0.001; ΔMF, EXG: + 44.4 N, CNG: - 22.1 N, p < 0.001). Regarding patients' sex, the change of MF was only significantly different between EXG and CNG female patients (%MF, EXG: + 23.9%, CNG: - 23.6%, p < 0.001). Age and sex did not significantly moderate changes in MF measures after 12 weeks of follow-up. We conclude that both age and sex of haemodialysis patients affect their functional response to IRT in the short term.Trial Registration: Intradialytic Resistance Training in Haemodialysis Patients (IRTHEP)-#NCT03511924, 30/04/2018, https://clinicaltrials.gov/ct2/show/NCT03511924 .
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Affiliation(s)
- Aurel Zelko
- Department of Health Psychology and Research Methodology, Faculty of Medicine, Pavol Jozef Safarik University, 040 11, Kosice, Slovakia.
- Graduate School Kosice Institute for Society and Health, Faculty of Medicine, Pavol Jozef Safarik University, 040 11, Kosice, Slovakia.
- Department of Community and Occupational Medicine, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands.
| | - Jaroslav Rosenberger
- Department of Health Psychology and Research Methodology, Faculty of Medicine, Pavol Jozef Safarik University, 040 11, Kosice, Slovakia
- Graduate School Kosice Institute for Society and Health, Faculty of Medicine, Pavol Jozef Safarik University, 040 11, Kosice, Slovakia
- Olomouc University Social Health Institute, Palacky University Olomouc, 771 11, Olomouc, Czech Republic
- 2nd Department of Internal Medicine, Faculty of Medicine, Pavol Jozef Safarik University, 040 11, Kosice, Slovakia
- Fresenius Medical Care-Dialysis Services Kosice, 040 11, Kosice, Slovakia
| | - Peter Kolarcik
- Department of Health Psychology and Research Methodology, Faculty of Medicine, Pavol Jozef Safarik University, 040 11, Kosice, Slovakia
- Olomouc University Social Health Institute, Palacky University Olomouc, 771 11, Olomouc, Czech Republic
| | - Andrea Madarasova Geckova
- Department of Health Psychology and Research Methodology, Faculty of Medicine, Pavol Jozef Safarik University, 040 11, Kosice, Slovakia
- Olomouc University Social Health Institute, Palacky University Olomouc, 771 11, Olomouc, Czech Republic
- Institute of Applied Psychology, Faculty of Social and Economic Sciences, Comenius University in Bratislava, 821 05, Bratislava, Slovakia
| | - Jitse P van Dijk
- Graduate School Kosice Institute for Society and Health, Faculty of Medicine, Pavol Jozef Safarik University, 040 11, Kosice, Slovakia
- Department of Community and Occupational Medicine, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands
- Olomouc University Social Health Institute, Palacky University Olomouc, 771 11, Olomouc, Czech Republic
| | - Sijmen A Reijneveld
- Department of Community and Occupational Medicine, University Medical Center Groningen, University of Groningen, 9700 RB, Groningen, The Netherlands
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FORTES JEFFERSONPACHECOAMARAL, HOTTA GISELEHARUMI, AGUIAR DÉBORAPINHEIRO, OLIVEIRA VICTORBRUNOSOARESDE, OLIVEIRA FRANCISCOCARLOSDEMATTOSBRITO, SANTOS-JÚNIOR FRANCISCOFLEURYUCHOA. RELIABILITY OF THE ISOMETRIC DYNAMOMETER IN CONTROL, PARAPLEGIC, AND AMPUTEE INDIVIDUALS. ACTA ORTOPEDICA BRASILEIRA 2023; 31:e255829. [PMID: 36844127 PMCID: PMC9949314 DOI: 10.1590/1413-785220233101e255829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Accepted: 04/06/2022] [Indexed: 02/22/2023]
Abstract
Objective To determine the Intraclass Correlation Coefficient (ICC), Standard Error of Measurement (SEM), Minimum Detectable Change (MDC), and the Minimum Clinically Important Difference (MCID) of the isometric measurements of muscle strength of trunk extension and of flexion and knee extension at maximum contraction in healthy, paraplegic, and amputee individuals, by using an isometric dynamometer with a belt for stabilization. Methods An observational cross-sectional study was carried out to assess the reliability of a portable isometric dynamometer in the trunk extension and flexion and knee extension movements of each group. Results In all measurements, ICC ranged from 0.66 to 0.99, SEM from 0.11 to 3.73 kgf, and MDC from 0.30 to 10.3 kgf. The MCID of the movements ranged from 3.1 to 4.9 kgf in the amputee group and from 2.2 to 3.66 kgf in the paraplegic group. Conclusion The manual dynamometer demonstrated good intra-examiner reliability, presenting moderate and excellent ICC results. Thus, this device is a reliable resource to measure muscle strength in amputees and paraplegics. Level of Evidence II, Cross-Sectional Study.
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Affiliation(s)
| | - GISELE HARUMI HOTTA
- Lead - Dell Research, Development, and Innovation Center, Fortaleza, CE, Brazil.,Universidade de São Paulo, Ribeirão Preto Medical School, Department of Health Sciences, Ribeirão Preto, SP, Brazil
| | | | | | - FRANCISCO CARLOS DE MATTOS BRITO OLIVEIRA
- Lead - Dell Research, Development, and Innovation Center, Fortaleza, CE, Brazil.,Universidade Estadual do Ceará, Department of Computer Science, Fortaleza, CE, Brazil
| | - FRANCISCO FLEURY UCHOA SANTOS-JÚNIOR
- Lead - Dell Research, Development, and Innovation Center, Fortaleza, CE, Brazil.,Instituto Le Santé, Fortaleza, CE, Brazil.,Universidade de São Paulo, Ribeirão Preto Medical School, Department of Health Sciences, Ribeirão Preto, SP, Brazil
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Kuntz A, Peters O, Bello A, Perkins R, Monti R, Murray L. An Anterior Cruciate Ligament (ACL) Injury Risk Screening and Reduction Program for High School Female Athletes: A Pilot Study. Int J Sports Phys Ther 2022; 17:1318-1329. [PMID: 36518824 PMCID: PMC9718720 DOI: 10.26603/001c.40370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 09/12/2022] [Indexed: 11/11/2023] Open
Abstract
Background Anterior cruciate ligament (ACL) injury causes physical, mental, and financial burdens. Therefore, it is imperative to screen, identify, and educate athletes who are at high-risk. The combination of screening and education could identify those at risk and potentially reduce future injuries. Purpose The purpose was to conduct a feasible community pre-season screening program for high school female athletes for the presence of known modifiable risk factors that predispose them to sustaining a non-contact ACL injury. Study Design Non-experimental prospective study. Methods A convenience sample of 15 healthy female athletes were recruited from local high schools, consisting of 11 soccer players and four basketball players. A pre-season screening program was designed encompassing four stations that addressed modifiable neuromuscular and biomechanical risk factors including range of motion (ROM), jump-landing technique, strength, and balance. Athletes were categorized into high-risk versus low-risk groups based on cutoff scores previously established in the literature. Results Every athlete met the high-risk cutoff score for at least one extremity during the ROM screening, and some met high-risk cutoff scores for more than one ROM. Out of all four categories tested, lower extremity ROM demonstrated the greatest deficits. Conclusion This study identified athletes as having multiple modifiable risk factors that can be addressed with training and exercises. This supports implementing a pre-season program aimed at screening for injury risk factors. Level of Evidence Level 3.
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Yoshida T, Shibata A, Tanihata A, Hayashi H, Yamaguchi Y, Kitada R, Ehara S, Izumiya Y, Yoshiyama M. Thigh Intramuscular Fat on Prognosis of Patients With Nonischemic Cardiomyopathy. Am J Cardiol 2022; 169:113-119. [PMID: 35067348 DOI: 10.1016/j.amjcard.2021.12.059] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/18/2021] [Accepted: 12/21/2021] [Indexed: 11/01/2022]
Abstract
Skeletal muscle atrophy is an independent prognostic predictor for patients with chronic heart failure, and the concept of sarcopenia is drawing attention. Furthermore, the importance of not only muscle mass but also ectopic fat has been pointed out. However, there is a lack of consensus on the implications of ectopic fat for the prognosis in patients with nonischemic cardiomyopathy. We investigated whether ectopic fat in the thigh affects the prognosis of nonischemic cardiomyopathy. This prospective study recruited 145 patients diagnosed with nonischemic cardiomyopathy between September 2017 and January 2020. Finally, 93 patients with a reduced ejection fraction were enrolled. The clinical end points were cardiovascular death or unexpected rehospitalization because of a cardiac event. Using computed tomography, the percentage of intramuscular fat (%IMF) in the thigh was measured in all patients. Patients were divided into 2 groups based on the median %IMF. The results of Spearman's correlation coefficient analysis revealed a correlation among %IMF and peak oxygen uptake (Spearman r = -0.221, p = 0.036). Kaplan-Meier analysis results showed significantly higher risk of adverse events in the high %IMF group (log-rank p = 0.013). Multivariate Cox regression analysis results revealed the %IMF as an independent factor for adverse events (hazard ratio 1.361; 95% confidence interval 1.043 to 1.745; p = 0.018). In conclusion, %IMF may have adverse consequences such as increased cardiac events in patients with nonischemic cardiomyopathy with a reduced ejection fraction.
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Yokoyama H, Shiraiwa T, Takahara M, Iwamoto M, Kuribayashi N, Nomura T, Yamada M, Sone H, Araki SI. Applications of physical performance measures to routine diabetes care for frailty prevention concept: fundamental data with grip strength, gait speed, timed chair stand speed, standing balance, and knee extension strength. BMJ Open Diabetes Res Care 2020; 8:8/1/e001562. [PMID: 32948539 PMCID: PMC7511604 DOI: 10.1136/bmjdrc-2020-001562] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/17/2020] [Accepted: 06/18/2020] [Indexed: 12/25/2022] Open
Abstract
INTRODUCTION Progression of muscle strength weakening will lead to a poor physical performance and disability. While this is particularly important in patients with diabetes, the associations of reduced muscle strength measured by grip strength with clinical features and physical performance remain unclear. We investigated clinical features and physical performance measures in association with grip strength in elderly people with diabetes in a primary care setting. RESEARCH DESIGN AND METHODS A cross-sectional study was conducted enrolling 634 male and 323 female Japanese patients with type 2 diabetes aged 60 years or older. First, grip strength was measured and the associations of gender-specific grip strength with clinical features were evaluated. Second, in patients with a grip strength below the gender-specific median, physical performance measures, including gait speed, timed chair stand speed, knee extension strength, standing balance, and short physical performance battery scores, were investigated. Patients with and without a low performance defined by Asian Working Group for Sarcopenia were compared in terms of clinical features and physical performance measures. RESULTS Grip strength decreased according to aging and longer duration of diabetes and was independently related to body mass index, glycated hemoglobin A1c (HbA1c), serum albumin, albuminuria, neuropathy, and stroke in male patients, and to body mass index and albuminuria in female patients. The physical performance measures became worse proportionally to a decrease in the grip strength. Patients with a low performance exhibited a significantly older age, lower grip strength and serum albumin, higher albuminuria, and poorer physical performance measures than those without. CONCLUSIONS Reduced grip strength was associated with glycemic exposure indicators of age-related duration, HbA1c, and vascular complications. The physical performance measures became worse with decreasing grip strength. Measurements of grip strength and physical performance in patients with diabetes may help promote intervention to prevent frailty in future studies.
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Affiliation(s)
- Hiroki Yokoyama
- Department of Internal Medicine, Jiyugaoka Medical Clinic, Obihiro, Japan
| | | | - Mitsuyoshi Takahara
- Department of Diabetes Care Medicine, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Masahiro Iwamoto
- Department of Internal Medicine, Iwamoto Medical Clinic, Zentsuji, Japan
| | | | - Takuo Nomura
- Department of Rehabilitation Sciences, Kansai University of Welfare Sciences, Kashiwara, Osaka, Japan
| | - Minoru Yamada
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Hirohito Sone
- Department of Internal Medicine, Niigata University Faculty of Medicine, Niigata, Japan
| | - Shin-Ichi Araki
- Department of Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan
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Hirano M, Katoh M, Gomi M, Arai S. Validity and reliability of isometric knee extension muscle strength measurements using a belt-stabilized hand-held dynamometer: a comparison with the measurement using an isokinetic dynamometer in a sitting posture. J Phys Ther Sci 2020; 32:120-124. [PMID: 32158074 PMCID: PMC7032982 DOI: 10.1589/jpts.32.120] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 11/04/2019] [Indexed: 11/24/2022] Open
Abstract
[Purpose] This study aimed to determine the validity and reliability of isometric knee
extension muscle strength measurements using a belt-stabilized hand-held dynamometer
compared to that using an isokinetic dynamometer with the participant in a sitting
posture. [Participants and Methods] Forty-two university students participated. The
isometric knee extension muscle strength was measured using a hand-held dynamometer and an
isokinetic dynamometer. For both measurements, the participants were in the similar
sitting posture. The sitting posture maintained trunk stability, with the hands on the
bed, and the non-measurement-side toe touching the floor or table. The intra-class
correlation coefficient and the relevance were verified. [Results] Intra-rater correlation
coefficient (1, 1) of the two measurements was ≥0.75. A significant difference was found
in the measurement value between males and females. No significant difference was found
between the measurements value of the two devices. A significant positive correlation was
found in the measurement value of two devices in the male participants. [Conclusion] When
compared to the standard method of isometric knee extension muscle strength measurements
using an isokinetic dynamometer with the participant in the sitting posture, measurements
using the belt-stabilized hand-held dynamometer were considered valid and highly reliable
in the male participants.
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Affiliation(s)
- Masahiro Hirano
- Department of Physical Therapy, Faculty of Health Sciences, Ryotokuji University: 5-8-1 Akemi, Urayasu-shi, Chiba 279-8567, Japan
| | - Munenori Katoh
- Department of Physical Therapy, Faculty of Health Sciences, Ryotokuji University: 5-8-1 Akemi, Urayasu-shi, Chiba 279-8567, Japan
| | - Masahiro Gomi
- Department of Physical Therapy, Faculty of Health Sciences, Ryotokuji University: 5-8-1 Akemi, Urayasu-shi, Chiba 279-8567, Japan
| | - Saori Arai
- Department of Physical Therapy, Faculty of Health Sciences, Ryotokuji University: 5-8-1 Akemi, Urayasu-shi, Chiba 279-8567, Japan
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