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1.
J Interprof Care ; 38(2): 403-408, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38019125

RESUMO

We describe the establishment and operation of a student-led interprofessional chronic disease prevention and management clinic in regional Australia. Our aim was twofold. First, to report on service delivery, student placement, and health outcome data; and second, to discuss key lessons learned during the first 3½ years of clinic operations. Between July 2019 and December 2022, 146 (79.3%) clinic participants completed the 4-month program and participated in an average of 48.4 occasions of service (total 7,060). The clinic supported 1,060 clinical placement weeks across 147 health students. There was a significant improvement across health measures reported at program completion, with the largest changes observed for the 6-min walk test and preference-adjusted quality of life. Nine key challenges and lessons were identified that affected operations and service delivery, which should be of interest to healthcare teams considering establishing an interprofessional student-led clinic.


Assuntos
Relações Interprofissionais , Qualidade de Vida , Humanos , Austrália , Estudantes , Instituições de Assistência Ambulatorial
2.
J Interprof Care ; : 1-14, 2024 Jul 24.
Artigo em Inglês | MEDLINE | ID: mdl-39045867

RESUMO

Increasing chronic disease rates in regional Australian communities necessitates innovative models of healthcare. We evaluated the efficacy of an interprofessional chronic disease program, delivered within a regional student-led nursing and allied health clinic in Southern Queensland, Australia. Changes to anthropometric, aerobic fitness and strength, and quality of life outcomes were examined at four time points spanning 16 months: intake, program transition (4 months), 6 and 12 months (post-transition). Our primary aim was to investigate whether the health improvements achieved during the program were sustained at 12 months in a subset of participants who provided complete data. Significant improvements were found in 6 of 11 measures, including the 6-minute walk test, grip strength, and self-reported quality of life across physical and psychosocial dimensions, with these improvements maintained to final review. No significant changes were found in body mass index (BMI), waist circumference, fat mass, or muscle mass. This is the first health clinic in regional Australia to deliver a student-led model of interprofessional and collaborative service to tackle the increasing burden of chronic disease in the community. The cost-effectiveness of this service and other potential clinical and social benefits remain to be investigated.

3.
Malays J Med Sci ; 24(1): 69-80, 2017 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-28381930

RESUMO

BACKGROUND: Multiple sclerosis (MS) is the most widespread disabling neurological condition in young adults around the world. The purpose of this study was to investigate the impact of explicit information (EI) on motor-sequence learning in MS patients. METHODS: Thirty patients with relapsing-remitting MS (RRMS), age: 29.5 (SD = 5.6) years and 30 healthy gender-, age-, and education-matched control group participants, age: 28.8 (SD = 6.0) years, were recruited for this study. The participants in the healthy group were then randomly assigned into an EI (n = 15) group and a no-EI (n = 15) group. Similarly, the participants in the control group were then randomly assigned into EI (n = 15) and no-EI (n = 15) groups. The participants performed a serial reaction time (SRT) task and reaction times. A retention test was performed after 48 hours. RESULTS: All participants reduced their reaction times across acquisition (MS group: 46.4 (SD = 3.3) minutes, P < 0.001, and healthy group: 39.4 (SD = 3.3) minutes, P < 0.001). The findings for the within-participants effect of repeated measures of time were significant (F(5.06, 283.7) = 71.33. P < 0.001). These results indicate that the interaction between group and time was significant (F(5.06, 283.7) = 6.44. P < 0.001), which indicated that the reaction time in both groups was significantly changed between the MS and healthy groups across times (B1 to B10). The main effect of the group (MS and healthy) (F(1, 56) = 22.78. P < 0.001) and also the main effect of no-EI vs EI (F(1, 56) = 4.71. P < 0.001) were significant. CONCLUSION: This study demonstrated that that RRMS patients are capable of learning new skills, but the provision of EI prior to physical practice is deleterious to implicit learning. It is sufficient to educate MS patients on the aim and general content of the training and only to provide feedback at the end of the rehabilitative session.

4.
Clin Rehabil ; 30(6): 559-76, 2016 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-26198892

RESUMO

OBJECTIVE: A systematic review and meta-analysis was conducted to illustrate whether people with multiple sclerosis engage in more physical activity following behaviour change interventions. DATA RESOURCES: MEDLINE, CINAHL, PubMed, Web of Sciences, Cochrane Library, SCOPUS, EMBASE and PEDro were searched from their inception till 30 April 2015. TRIAL SELECTION: Randomized and clinical controlled trials that used behaviour change interventions to increase physical activity in people with multiple sclerosis were selected, regardless of type or duration of multiple sclerosis or disability severity. DATA EXTRACTION: Data extraction was conducted by two independent reviewers and the Cochrane Collaboration's recommended method was used to assess the risk of bias of each included study. RESULTS: A total of 19 out of 573 studies were included. Focusing on trials without risk of bias, meta-analysis showed that behaviour change interventions can significantly increase physical activity participation (z = 2.20, p = 0.03, standardised main difference 0.65, 95% confidence interval 0.07 to 1.22, 3 trials, I(2) = 68%) (eight to 12 weeks' duration). Behaviour change interventions did not significantly impact on the physical components of quality of life or fatigue. CONCLUSION: Behaviour change interventions provided for relatively short duration (eight to 12 weeks) may increase the amount of physical activity people with multiple sclerosis engage in, but appear to have no effect on the physical components of quality of life and fatigue. Further high quality investigations of the efficacy of behaviour change interventions to increase physical activity participation that focus on dose, long-term impact and method of delivery are warranted for people with multiple sclerosis.


Assuntos
Terapia Comportamental/métodos , Exercício Físico , Esclerose Múltipla/reabilitação , Viés , Humanos , Avaliação de Processos e Resultados em Cuidados de Saúde/estatística & dados numéricos
5.
Top Stroke Rehabil ; 22(5): 335-41, 2015 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-25909950

RESUMO

BACKGROUND: Many studies have been conducted on the changes in the balance capabilities of stroke patients. However, results regarding the effects of dual-task activities on postural control in these patients have been variable. OBJECTIVE: To evaluate the effects of a short-term memory task on the sway characteristics of stroke patients. METHOD: Center of pressure (COP) fluctuations were measured in three levels of postural difficulty (rigid surface with closed and open eyes and foam surface with closed eyes), as well as two levels of cognitive difficulty (easy and difficult). COP parameters included mean velocity, standard deviation of velocity in both medial-lateral (M.L) and anterior-posterior (A.P) directions, total phase plane portrait, area. Nineteen stroke patients and 19 gender, age, height, and weight matching healthy volunteers participated in this study. RESULTS: Our findings indicate that mean velocity (F = 14.21, P = 0.001), standard deviation of velocity in both M.L (F = 17.50, P = 0.000) and A.P (F = 11.03, P = 0.002) directions, total phase plane portrait (F = 44.12, P = 0.001), and area (F = 13.95, P = 0.01) of center of pressure of patients were statistically greater than normal subjects, while significant interaction of group × postural difficulty and postural × cognitive difficulty were observed for all parameters of postural sway. CONCLUSIONS: Different measures of postural sway showed complex response to postural and cognitive difficulties between stroke patients and normals. Cognitive error was not affected by the main effects of group and postural difficulty, while greatly increased at more difficult cognitive task (F = 75.73, P = 0.000).


Assuntos
Memória de Curto Prazo , Postura , Acidente Vascular Cerebral/psicologia , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Equilíbrio Postural , Desempenho Psicomotor
6.
Med J Islam Repub Iran ; 29: 205, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26157723

RESUMO

BACKGROUND: The positive impacts of exercise therapy on patients' cognitive problems still remain unknown. This study was a pilot intervention to examine the effects of combined exercise on the cognitive problems of patients with multiple sclerosis (MS) in Iranian MS Society over 2012 to 2013. METHODS: This quasi-experimental research was carried out in the form of a pretest/posttest study. Forty two patients with MS were selected from those visiting the rehabilitation center of Iranian MS Society, using non-probability convenience sampling. The Expanded Disability Status Scale (EDSS) of each patient was recorded before the intervention and Brief Repeatable Battery of Neuropsychological (BRB-N) test was administered before and after the intervention. The data were analyzed using the analytical tests such as Wilcoxon test. RESULTS: Of 21 participants, 17 subjects (82%, n=14) female with mean (±SD) age of 37 (±9.98) years and mean (±SD) EDSS of 2.35 (±0.90) completed all stages of the study. Changes in long-term storage and permanent long-term retrieval of information after the intervention were statistically significant (p<0.001). In addition, the change in the average of total delay after the intervention was also significant by 1.11 (p<0.001). CONCLUSION: Our study confirmed the possibility of change in the cognitive abilities of MS patients through physical interventions. This finding emphasizes the necessity of more clinical examinations and increases the hopes for new rehabilitation methods for the disorder.

7.
BMJ Open ; 13(1): e068704, 2023 01 27.
Artigo em Inglês | MEDLINE | ID: mdl-36707116

RESUMO

OBJECTIVES: To investigate the effects of extended short-term medical training placements in small rural and remote communities on postgraduate work location. DESIGN AND SETTING: Cohort study of medical graduates of The University of Queensland, Australia. PARTICIPANTS: Graduating medical students from 2012 to 2021 who undertook a minimum of 6 weeks training in a small rural or remote location. Some participants additionally undertook either or both an extended short-term (12-week) placement in a small rural or remote location and a long-term (1 or 2 years) placement in a large regional centre. PRIMARY OUTCOME MEASURE: Work location was collected from the Australian Health Practitioner Regulation Agency in 2022, classified as either rural, regional or metropolitan and measured in association with rural placement type(s). RESULTS: From 2806 eligible graduates, those participating in extended small rural placements (n=106, 3.8%) were associated with practising rurally or regionally postgraduation (42.5% vs 19.9%; OR: 2.2, 95% CI: 1.1 to 4.6), for both those of rural origin (50% vs 30%; OR: 4.9, 95% CI: 2.6 to 9.2) or metropolitan origin (36% vs 17%; OR: 2.8, 95% CI: 1.7 to 4.8). Those undertaking both an extended small rural placement and 2 years regional training were most likely to be practising in a rural or regional location (61% vs 16%; OR: 8.6, 95% CI: 4.5 to 16.3). Extended small rural placements were associated with practising in smaller rural or remote locations in later years (15% vs 6%, OR: 2.7, 95% CI: 1.3 to 5.3). CONCLUSION: This work location outcome evidence supports investment in rural medical training that is both located in smaller rural and remote settings and enables extended exposure with rural generalists. The evaluated 12-week programme positively related to rural workforce outcomes when applied alone. Outcomes greatly strengthened when the 12-week programme was combined with a 2-year regional centre training programme, compared with either alone. These effects were independent of rural origin.


Assuntos
Serviços de Saúde Rural , Estudantes de Medicina , Humanos , Estudos de Coortes , Austrália , Área de Atuação Profissional , Recursos Humanos , Escolha da Profissão
8.
JMIR Mhealth Uhealth ; 11: e44929, 2023 07 05.
Artigo em Inglês | MEDLINE | ID: mdl-37405818

RESUMO

BACKGROUND: Women with urinary incontinence (UI) may consider using digital technologies (DTs) to guide pelvic floor muscle training (PFMT) to help manage their symptoms. DTs that deliver PFMT programs are readily available, yet uncertainty exists regarding whether they are scientifically valid, appropriate, and culturally relevant and meet the needs of women at specific life stages. OBJECTIVE: This scoping review aims to provide a narrative synthesis of DTs used for PFMT to manage UI in women across their life course. METHODS: This scoping review was conducted in accordance with the Joanna Briggs Institute methodological framework. A systematic search of 7 electronic databases was conducted, and primary quantitative and qualitative research and gray literature publications were considered. Studies were eligible if they focused on women with or without UI who had engaged with DTs for PFMT, reported on outcomes related to the use of PFMT DTs for managing UI, or explored users' experiences of DTs for PFMT. The identified studies were screened for eligibility. Data on the evidence base for and features of PFMT DTs using the Consensus on Exercise Reporting Template for PFMT, PFMT DT outcomes (eg, UI symptoms, quality of life, adherence, and satisfaction), life stage and culture, and the experiences of women and health care providers (facilitators and barriers) were extracted and synthesized by ≥2 independent reviewers. RESULTS: In total, 89 papers were included (n=45, 51% primary and n=44, 49% supplementary) involving studies from 14 countries. A total of 28 types of DTs were used in 41 primary studies, including mobile apps with or without a portable vaginal biofeedback or accelerometer-based device, a smartphone messaging system, internet-based programs, and videoconferencing. Approximately half (22/41, 54%) of the studies provided evidence for or testing of the DTs, and a similar proportion of PFMT programs were drawn from or adapted from a known evidence base. Although PFMT parameters and program compliance varied, most studies that reported on UI symptoms showed improved outcomes, and women were generally satisfied with this treatment approach. With respect to life stage, pregnancy and the postpartum period were the most common focus, with more evidence needed for women of various age ranges (eg, adolescent and older women), including their cultural context, which is a factor that is rarely considered. Women's perceptions and experiences are often considered in the development of DTs, with qualitative data highlighting factors that are usually both facilitators and barriers. CONCLUSIONS: DTs are a growing mechanism for delivering PFMT, as evidenced by the recent increase in publications. This review highlighted the heterogeneity in types of DTs, PFMT protocols, the lack of cultural adaptations of most of the DTs reviewed, and a paucity in the consideration of the changing needs of women across their life course.


Assuntos
Diafragma da Pelve , Incontinência Urinária , Gravidez , Feminino , Humanos , Idoso , Adolescente , Qualidade de Vida , Tecnologia Digital , Terapia por Exercício/métodos , Incontinência Urinária/terapia
9.
Heart Lung ; 50(5): 589-598, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34087676

RESUMO

BACKGROUND: Engagement in physical activity during the initial months following coronary artery bypass graft (CABG) surgery is important in order to improve health, quality of life and functional outcomes. There are, however, many potential barriers to physical activity engagement during the recovery period. No review studies have focused on barriers and facilitators to engagement in physical activity during the early stages of recovery following CABG surgery. OBJECTIVE: To explore the factors that influence engagement in physical activity during the first three months following CABG surgery. METHODS: Four electronic databases were searched. Extracted data from selected studies were synthesised using the Joanna Briggs Institute convergent integrated approach. RESULTS: Nineteen studies met the inclusion criteria. Four main themes that influenced engagement were identified: sociodemographic variables; physical symptoms; psychosocial factors; and environmental factors. More barriers were identified than facilitating factors. Psychosocial factors were the most commonly reported barriers in the literature. CONCLUSIONS: The findings of this review provide insights into factors that inhibit and facilitate engagement in physical activity following CABG surgery. Further research specifically exploring factors that influence engagement, especially facilitators, is required.


Assuntos
Ponte de Artéria Coronária , Qualidade de Vida , Bases de Dados Factuais , Exercício Físico , Humanos
10.
Physiother Theory Pract ; 37(12): 1368-1376, 2021 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-31663796

RESUMO

Background: Stroke causes multi-joint gait deficits, so a major objective of post-stroke rehabilitation is to regain normal gait function. Design and Setting: A case series completed at a neuroscience institute. Aim: The aim of the study was to determine the concurrent impact of functional electrical stimulation (FES) during treadmill walking on gait speed, knee extensors spasticity and ankle plantar flexors spasticity in post-stroke survivors. Participants: Six post-stroke survivors with altered gait patterns and ankle plantar flexors spasticity (4 = male; age 56.8 ± 4.8 years; Body Mass Index (BMI) 26.2 ± 4.3; since onset of stroke: 30.8 ± 10.4 months; side of hemiplegia [L/R]: 3:3) were recruited. Intervention: Nine treatment sessions using FES bilaterally while walking on a treadmill. Main Outcome Measures: Primary outcome measures included the Modified Modified Ashworth Scale (MMAS), Timed Up and Go test (TUG), 10-m walking test, gait speed, and Functional ambulation category (FAC). Secondary outcome measures included the Step Length Test (SLT), and active range of motion (ROM) of the affected ankle and the knee. Measurements were taken at baseline (T0), at the end of last treatment (T1), and 1 month after the final treatment session (T2). Results: The TUG, 10-m walking test, gait speed, FAC, active ROM, and SLT all significantly improved following treatment (P< .05), while ankle plantar flexors spasticity (P = .135), and knee extensors spasticity (P = .368) did not show any significant decrease. Conclusions: A short duration of bilateral FES in conjugation with treadmill walking contributed to significant improvement in gait speed, functional mobility, functional ambulation, range of motion and step length in post-stroke survivors. In contrast, no significant decreases were identified in the spasticity of the ankle plantar flexors and knee extensors muscles.


Assuntos
Terapia por Estimulação Elétrica , Reabilitação do Acidente Vascular Cerebral , Estimulação Elétrica , Marcha , Humanos , Masculino , Pessoa de Meia-Idade , Projetos Piloto , Equilíbrio Postural , Sobreviventes , Estudos de Tempo e Movimento , Resultado do Tratamento , Caminhada
12.
Health Informatics J ; 26(4): 2930-2945, 2020 12.
Artigo em Inglês | MEDLINE | ID: mdl-32914696

RESUMO

No guidelines exist for the conduct and reporting of manuscripts with systematic searches of app stores for, and then appraisal of, mobile health apps ('health app-focused reviews'). We undertook a scoping review including a systematic literature search for health app-focused reviews describing systematic app store searches and app appraisal, for apps designed for patients or clinicians. We created a data extraction template which adapted data elements from the PRISMA guidelines for systematic literature reviews to data elements operationalised for health app-focused reviews. We extracted the data from included health app-focused reviews to describe: (1) which elements of the adapted 'usual' methods of systematic review are used; (2) methods of app appraisal; and (3) reporting of clinical efficacy and recommendations for app use. From 2798 records, the 26 included health app-focused reviews showed incomplete or unclear reporting of review protocol registration; use of reporting guidelines; processes of screening apps; data extraction; and appraisal tools. Reporting of clinical efficacy of apps or recommendations for app use were infrequent. The reporting of methods in health app-focused reviews is variable and could be improved by developing a consensus reporting standard for health app-focused reviews.


Assuntos
Aplicativos Móveis , Humanos , Qualidade da Assistência à Saúde
13.
Braz J Phys Ther ; 22(2): 144-153, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-28939263

RESUMO

OBJECTIVE: To evaluate the effectiveness of exercise, ergonomic modification, and a combination of training exercise and ergonomic modification on the scores of pain in office workers with neck, shoulders, and lower back pain. METHODS: Participants (N=142) in this randomized controlled trial were office workers aged 20-50 years old with neck, shoulders, and lower back pain. They were randomly assigned to either the ergonomic modification group, the exercise group, the combined exercise and ergonomic modification group, or the control group (no-treatment). The exercise training group performed a series of stretching exercises, while the ergonomic group received some modification in the working place. Outcome measures were assessed by the Cornell Musculoskeletal Disorders Questionnaire at baseline, after 2, 4, and 6 months of intervention. RESULTS: There was significant differences in pain scores for neck (MD -10.55; 95%CI -14.36 to -6.74), right shoulder (MD -12.17; 95%CI -16.87 to -7.47), left shoulder (MD -11.1; 95%CI -15.1 to -7.09) and lower back (MD -7.8; 95%CI -11.08 to -4.53) between the exercise and control groups. Also, significant differences were seen in pain scores for neck (MD -9.99; 95%CI -13.63 to -6.36), right shoulder (MD -11.12; 95%CI -15.59 to -6.65), left shoulder (MD -10.67; 95%CI -14.49 to -6.85) and lower back (MD -6.87; 95%CI -10 to -3.74) between the combined exercise and ergonomic modification and control groups. The significant improvement from month 4 to 6, was only seen in exercise group (p<0.05). CONCLUSION: To have a long term effective on MSDs, physical therapists and occupational therapists should use stretching exercises in their treatment programs rather than solely rely on ergonomic modification. CLINICAL TRIAL ID: NCT02874950 - https://www.clinicaltrials.gov/ct2/show/NCT02874950.


Assuntos
Terapia por Exercício , Dor Lombar/reabilitação , Doenças Musculoesqueléticas/reabilitação , Cervicalgia/reabilitação , Ergonomia , Humanos , Inquéritos e Questionários , Local de Trabalho
14.
Work ; 60(4): 549-554, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30103362

RESUMO

BACKGROUND: There are many potential training exercises for office workers in an attempt to prevent musculoskeletal disorders. However, to date a suitable tool to monitor the perceived exertion of those exercises does not exist. OBJECTIVE: The primary objective of this study was to examine the validity and reliability of the Borg CR-10 scale to monitor the perceived exertion of office exercise training. METHODS: The study involved 105 staff members employed in a government office with an age range from 25 to 50 years. The Borg CR-10 scale was self-administered two times, with an interval of two weeks in order to evaluate the accuracy of the original findings with a retest. Face validity and content validity were also examined. RESULTS: Reliability was found to be high for the Borg CR-10 scale (0.898). Additionally a high correlation between the Borg CR-10 scale and Visual Analog Scale (VAS) was identified (rs = 0.754, P < 0.01). CONCLUSIONS: This study found the Borg CR-10 scale to be a reliable and valid tool for monitoring the perceived exertion of office exercise training and may potentially be useful for occupational therapists to measure physical activity intensity levels.


Assuntos
Exercício Físico/psicologia , Psicometria/normas , Adulto , Teste de Esforço/métodos , Feminino , Frequência Cardíaca/fisiologia , Humanos , Masculino , Pessoa de Meia-Idade , Administração de Consultório , Consumo de Oxigênio/fisiologia , Percepção , Psicometria/instrumentação , Psicometria/métodos , Reprodutibilidade dos Testes , Inquéritos e Questionários
15.
Work ; 58(4): 519-525, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-29254133

RESUMO

BACKGROUND: Working in a closed environment for more than 7-8 hours can affect both psychological and physical health among kindergarten workers. OBJECTIVE: To determine the prevalence of musculoskeletal disorders (MSD) and depression as well as the correlation between them, if any, among kindergarten workers. METHODS: In a cross-sectional observation, one hundred and five healthy female staff members (age: 34.27±7.01 year, working duration: 7.42±0.81 hr/d, BMI: 24.50±2.61 kg/m2 (mean±SD)), who have had at least one year of working experience, were selected randomly from 10 kindergartens. The subjects completed both the Cornell musculoskeletal and Patient Health (PHQ-9) questionnaires to enable the assessments of MSD and depression scores accordingly. The correlation between both questionnaires was then measured to find any links. To assess the reliability of Farsi-language versions of the Cornell questionnaire and PHQ-9, the Inter-class Correlation Co-efficient (ICC) was measured through test-retest with 1-week delay and the prevalence of MSD and depression were subsequently assessed as well. RESULTS: The Inter-class Correlation Co-efficient (ICC) illustrated that the Farsi version of MSD instruments showed high levels of repeatability. The ICC coefficient was (0.932-0.987, p < 0.001) for the Cornell questionnaire and the Cronbach alpha for PHQ-9 questionnaire was 0.861. The highest severity of pain was related to lower back (30.5%), and after it, neck (27.6%), right shoulder (27.6%) and left shoulder (25.7%) pain, respectively. The results of PHQ-9 questionnaire indicated that 41.9% (n = 44) of subjects had a severe depression. There was a significant (r = 0.338, p < 0.01) relation between depression and MSD. CONCLUSIONS: Prevalence of depression and severity of physical pain was an issue among staff in kindergartens. More study will be needed to define all aspects of this issue.


Assuntos
Depressão/etiologia , Doenças Musculoesqueléticas/complicações , Psicometria/normas , Professores Escolares/psicologia , Adulto , Estudos Transversais , Depressão/psicologia , Feminino , Humanos , Irã (Geográfico)/epidemiologia , Pessoa de Meia-Idade , Doenças Musculoesqueléticas/epidemiologia , Doenças Musculoesqueléticas/psicologia , Prevalência , Psicometria/instrumentação , Psicometria/métodos , Reprodutibilidade dos Testes , Instituições Acadêmicas/organização & administração , Inquéritos e Questionários , Recursos Humanos
16.
J Back Musculoskelet Rehabil ; 30(3): 641-647, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28372315

RESUMO

STUDY DESIGN: True experimental design. BACKGROUND: The back squat is an integral aspect of any resistance training program to improve athletic performance. It is also used for injury prevention of the lower limbs. OBJECTIVE: The purpose of this study was to examine the effect of back squat training at different intensities on strength and flexibility of the hamstring muscle group (HMG). METHODS: Twenty-two male recreational bodybuilders with at least two years of experience in resistance training were recruited to participate in a nine-week training program. They were randomly assigned to a heavy back squat group (90-95% of one repetition maximum) or a moderate-intensity back squat group (60-65% of one repetition maximum). RESULTS: The heavy back squat group resulted in a significantly (p < 0.001) increased in one repetition maximum strength but a significant (p < 0.001) reduction in HMG flexibility when compared to their counterparts. The results of the study indicate that while a heavy back squat training program is effective in improving strength, it has an adverse effect on the flexibility of the HMG. CONCLUSION: The implication of this study is that there is a tradeoff between strength and flexibility and trainers should select the appropriate training protocols for their athletes to maximize athletic performance.


Assuntos
Músculos Isquiossurais/fisiologia , Treinamento Resistido/métodos , Adulto , Atletas , Dorso , Índice de Massa Corporal , Humanos , Extremidade Inferior , Masculino , Força Muscular/fisiologia , Músculo Esquelético/fisiologia , Adulto Jovem
17.
Iran J Neurol ; 15(3): 111-20, 2016 Jul 06.
Artigo em Inglês | MEDLINE | ID: mdl-27648171

RESUMO

BACKGROUND: Multiple sclerosis (MS) is a neurological disease with a variety of signs and symptoms. Exercise therapy has been shown to improve physical functions in MS. However, questions about an optimal exercise therapy remain. In this regard, we suggest a combined exercise therapy including aerobic and resistance exercises for MS patients. The study is designed to observe, test and compare the effects of proposed combined exercises on strength, balance, agility, fatigue, speed, and walking distance in people with mild to moderate MS [0 < expanded disability status scale (EDSS) < 5]. METHODS: A total of 40 people with relapse-remitting MS (16 male, 0 < EDSS < 5) were randomized into one of the four groups (3 intervention and one control). The intervention consisted of various combinations of aerobic and resistance exercises with different repetition rates. Pre- and post-intervention scores of fatigue severity scale (FSS), timed up and go (TUG) test, 6-minute walk test (6MWT), 10- and 20-MWT, Berg balance scale (BBS), and one repetition maximum (1RM) test were recorded and analyzed. RESULTS: For most tests, post-intervention values of the group 1, with 3-aerobic and 1-resistance exercises, were significantly higher compared to control group (P < 0.050). However, no significant progression was observed in the other two intervention groups. CONCLUSION: A combination of three aerobic exercises with one resistance exercise may result in improved balance, locomotion, and endurance in MS patients.

18.
Iran Red Crescent Med J ; 16(6): e17173, 2014 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-25068045

RESUMO

BACKGROUND: Multiple Sclerosis (MS) is a demyelinating disease of the nervous system which has numerous disabling effects on patients. OBJECTIVES: This study aimed at investigating the short- and long-term effects of a period of combination exercise therapy on walking distance, balance, fatigue and quality of life in multiple sclerosis patients referred to the physiotherapy clinic of Iran's Multiple Sclerosis Society in 2013. PATIENTS AND METHODS: This study was a randomized controlled clinical trial on 59 patients divided into the intervention (n = 39) and control groups (n = 20). The intervention group received 10 weeks of combination therapy including aerobic, strengthening, balancing and stretching exercises. A week before, a week later and a year after the beginning of the exercises, both groups of patients received BBSS, six minute walking, Family Support Services (FSS), Expanded Disability Status Scale (EDSS) and quality of life tests. The scores of two groups were then compared using statistical tests such as repeated measures ANOVA test. RESULTS: THE RESULTS INDICATED SIGNIFICANT CHANGES IN THE INTERVENTION GROUP IN COMPARISON TO THE CONTROL GROUP IN THE SECOND PHASE OF THE STUDY COMPARING TO THE FIRST ONE FOR ALL TESTS EXCEPT EDSS (MEAN DIFFERENCE SCORES OF EDSS: -0.13), P-value = 0.60; FSS: -6.9, P-value = 0.02, Mental Quality of Life (QOL): 16.36, P-value = 0.001; Physical QOL: 12.17, P-value = 0.001, six minute walking: 137.2, P-value < 0.0001; and Berg: 3.34, P-value < 0.0001. These changes were not significant in the second phase of the study comparing to the third one; however, they were again significant in the third phase comparing to the first phase of the study (P < 0.05). CONCLUSIONS: Exercise has significant effect on improving symptoms of multiple sclerosis, and cessation of exercise may cause recurrence of symptoms in the intervention group with a slope similar to that of the control group. Therefore, continuous rather than short period exercises have valuable symptomatic and supportive relief effects in patients.

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