Physiotherapy - Research Publications
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ItemNo Preview AvailableRespiratory muscle training for cervical spinal cord injury (Protocol)(Cochrane Collaboration, 2010)This is a protocol for a Cochrane Review (Intervention). The objectives are as follows: To assess the effects of respiratory muscle training on function for people with cervical spinal cord injury.
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ItemNo Preview AvailableRespiratory muscle training for cervical spinal cord injury (Review)(Cochrane Collaboration, 2013-01-01)BACKGROUND: Cervical spinal cord injury (SCI) severely comprises respiratory function due to paralysis and impairment of the respiratory muscles. Various types of respiratory muscle training (RMT) to improve respiratory function for people with cervical SCI have been described in the literature. A systematic review of this literature is needed to determine the effectiveness of RMT (either inspiratory or expiratory muscle training) on pulmonary function, dyspnoea, respiratory complications, respiratory muscle strength, and quality of life for people with cervical SCI. OBJECTIVES: To evaluate the efficacy of RMT versus standard care or sham treatments in people with cervical SCI. SEARCH METHODS: We searched the Cochrane Injuries and Cochrane Neuromuscular Disease Groups' Specialised Register, the Cochrane Central Register of Controlled Trials (CENTRAL) (2012, Issue 1), MEDLINE, EMBASE, CINAHL, ISI Web of Science, PubMed, and clinical trials registries (Australian New Zealand Clinical Trials Registry, ClinicalTrials, Controlled Trials metaRegister) on 5 to 8 March 2013. We handsearched reference lists of relevant papers and literature reviews. We applied no date, language, or publication restrictions. SELECTION CRITERIA: All randomised controlled trials that involved an intervention described as RMT versus a control group using an alternative intervention, placebo, usual care, or no intervention for people with cervical SCI were considered for inclusion. DATA COLLECTION AND ANALYSIS: Two review authors independently selected articles for inclusion, evaluated the methodological quality of the studies, and extracted data. We sought additional information from the trial authors when necessary. We presented results using mean differences (MD) (using post-test scores) and 95% confidence intervals (CI) for outcomes measured using the same scale or standardised mean differences (SMD) and 95% CI for outcomes measured using different scales. MAIN RESULTS: We included 11 studies with 212 participants with cervical SCI. The meta-analysis revealed a statistically significant effect of RMT for three outcomes: vital capacity (MD mean end point 0.4 L, 95% CI 0.12 to 0.69), maximal inspiratory pressure (MD mean end point 10.50 cm/H2O, 95% CI 3.42 to 17.57), and maximal expiratory pressure (MD mean end point 10.31 cm/H2O, 95% CI 2.80 to 17.82). There was no effect on forced expiratory volume in one second or dyspnoea. We could not combine the results from quality of life assessment tools from three studies for meta-analysis. Respiratory complication outcomes were infrequently reported and thus we could not include them in the meta-analysis. Instead, we described the results narratively. We identified no adverse effects as a result of RMT in cervical SCI. AUTHORS' CONCLUSIONS: In spite of the relatively small number of studies included in this review, meta-analysis of the pooled data indicates that RMT is effective for increasing respiratory muscle strength and perhaps also lung volumes for people with cervical SCI. Further research is needed on functional outcomes following RMT, such as dyspnoea, cough efficacy, respiratory complications, hospital admissions, and quality of life. In addition, longer-term studies are needed to ascertain optimal dosage and determine any carryover effects of RMT on respiratory function, quality of life, respiratory morbidity, and mortality.
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ItemNo Preview AvailableThematic analysis of the experience of group music therapy for people with chronic quadriplegia.(American Spinal Injury Association, 2014)BACKGROUND: People living with quadriplegia are at risk for social isolation and depression. Research with other marginalized groups has indicated that music therapy can have a positive effect on mood and social interaction. OBJECTIVE: To gather descriptions of participants' experience of 2 types of group music therapy - therapeutic singing or music appreciation and relaxation - and to determine commonalities and differences between participants' experience of these 2 methods. METHODS: We interviewed 20 people with quadriplegia about their experience of participating in 12 weeks of therapeutic singing (n = 10) or music appreciation and relaxation (n = 10). These methods of group music therapy were the interventions tested in a previously reported randomized controlled trial. The interview data were subjected to an inductive thematic analysis. RESULTS: Six main themes were generated from the interview data. Four of these were shared themes and indicated that both types of group music therapy had a positive effect on mood/mental state and physical state, encouraged social engagement, and reconnected participants with their music identity or relationship with music. In addition, the participants who participated in the singing groups found singing to be challenging and confronting, but experienced a general increase in motivation. CONCLUSIONS: Group music therapy was experienced as an enjoyable and accessible activity that reconnected participants with their own music. Participants frequently described positive shifts in mood and energy levels, and social interaction was stimulated both within and beyond the music therapy groups.
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ItemExploring the feasibility of a music-assisted relaxation intervention to assist with the initiation of non-invasive ventilation in people with Motor Neuron Disease(International Association for Music & Medicine, 2017)Background: Transitioning to non-invasive ventilation (NIV) can cause anxiety in people with Motor Neuron Disease (MND), which may reduce adherence rates. Music therapy has demonstrated positive effects with mechanical (invasive) ventilation. Method: This feasibility study examined the effects of music-assisted relaxation (MAR) on NIV adherence, anxiety, and quality of life for people with MND. Data were collected at baseline, 7-days post, and 3-months post NIV implementation. Results: Of 18 consenting participants, 15 chose the MAR condition. Results suggested that supporting NIV transition within the first 7 days may be advantageous for long-term adherence. No effects were found for anxiety or quality of life. Limitations included small sample size, lack of an adequate control, and possible ceiling effects on the instruments used. Qualitative data indicated most participants considered the relaxing and distracting effects of MAR were useful. Conclusions: In this small sample, we found some demand for and acceptability of a music-based intervention in this setting. Participants reported differing experiences of using MAR, and there were technical and logistical issues regarding timely and accessible provision of a MAR intervention within the treatment trajectory of NIV implementation. Conflicting quantitative and qualitative data support the need for mixed method research in this area.
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ItemDeveloping a spinal cord injury research strategy using a structured process of evidence review and stakeholder dialogue. Part III: outcomes(NATURE PUBLISHING GROUP, 2015-10-01)STUDY DESIGN: Focus Group. OBJECTIVES: To develop a unified, regional spinal cord injury (SCI) research strategy for Australia and New Zealand. SETTING: Australia. METHODS: A 1-day structured stakeholder dialogue was convened in 2013 in Melbourne, Australia, by the National Trauma Research Institute in collaboration with the SCI Network of Australia and New Zealand. Twenty-three experts participated, representing local and international research, clinical, consumer, advocacy, government policy and funding perspectives. Preparatory work synthesised evidence and articulated draft principles and options as a starting point for discussion. RESULTS: A regional SCI research strategy was proposed, whose objectives can be summarised under four themes. (1) Collaborative networks and strategic partnerships to increase efficiency, reduce duplication, build capacity and optimise research funding. (2) Research priority setting and coordination to manage competing studies. (3) Mechanisms for greater consumer engagement in research. (4) Resources and infrastructure to further develop SCI data registries, evaluate research translation and assess alignment of research strategy with stakeholder interests. These are consistent with contemporary international SCI research strategy development activities. CONCLUSION: This first step in a regional SCI research strategy has articulated objectives for further development by the wider SCI research community. The initiative has also reinforced the importance of coordinated, collective action in optimising outcomes following SCI.
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ItemPregnant women maintain body temperatures within safe limits during moderate-intensity aqua-aerobic classes conducted in pools heated up to 33 degrees Celsius: an observational study(AUSTRALIAN PHYSIOTHERAPY ASSOC, 2015-10-01)QUESTION: What is the body temperature response of healthy pregnant women exercising at moderate intensity in an aqua-aerobics class where the water temperature is in the range of 28 to 33 degrees Celsius, as typically found in community swimming pools? DESIGN: An observational study. PARTICIPANTS: One hundred and nine women in the second and third trimester of pregnancy who were enrolled in a standardised aqua-aerobics class. OUTCOME MEASURES: Tympanic temperature was measured at rest pre-immersion (T1), after 35minutes of moderate-intensity aqua-aerobic exercise (T2), after a further 10minutes of light exercise while still in the water (T3) and finally on departure from the facility (T4). The range of water temperatures in seven indoor community pools was 28.8 to 33.4 degrees Celsius. RESULTS: Body temperature increased by a mean of 0.16 degrees Celsius (SD 0.35, p<0.001) at T2, was maintained at this level at T3 and had returned to pre-immersion resting values at T4. Regression analysis demonstrated that the temperature response was not related to the water temperature (T2 r = -0.01, p = 0.9; T3 r = -0.02, p=0.9; T4 r=0.03, p=0.8). Analysis of variance demonstrated no difference in body temperature response between participants when grouped in the cooler, medium and warmer water temperatures (T2 F=0.94, p=0.40; T3 F=0.93, p=0.40; T4 F=0.70, p=0.50). CONCLUSIONS: Healthy pregnant women maintain body temperatures within safe limits during moderate-intensity aqua-aerobic exercise conducted in pools heated up to 33 degrees Celsius. The study provides evidence to inform guidelines for safe water temperatures for aqua-aerobic exercise during pregnancy.
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ItemHigh-level mobility skills in children and adolescents with traumatic brain injury(TAYLOR & FRANCIS INC, 2015-12-06)AIM: To evaluate the reliability, validity and responsiveness of the High-level Mobility Assessment Tool (HiMAT) in children and adolescents with traumatic brain injury (TBI) and to compare the mobility skills of children with TBI to those of healthy peers. METHOD: The mobility skills of 52 children with moderate and severe TBI (36 males; mean age = 12 years, range = 6-17) were assessed using the HiMAT and the Pediatric Evaluation of Disability Inventory (PEDI). Inter-rater reliability, re-test reliability and responsiveness of the HiMAT were evaluated in sub-groups by comparing results scored at several time-points. The HiMAT scores of children with TBI were compared with those of a healthy comparative cohort. RESULTS: The HiMAT demonstrated excellent inter-rater reliability (ICC = 0.93), re-test reliability (ICC = 0.98) and responsiveness to change (p = 0.002). The PEDI demonstrated a ceiling effect in mobility assessment of ambulant children with TBI. The HiMAT scores of children with TBI were lower than those of their healthy peers (p < 0.001). INTERPRETATION: The HiMAT is a reliable, valid and sensitive measure of high-level mobility skills following childhood TBI. The high-level mobility skills of children with TBI are less proficient than their peers.
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ItemBrain motor control assessment of upper limb function in patients with spinal cord injury(TAYLOR & FRANCIS LTD, 2016-03-01)BACKGROUND: The brain motor control assessment (BMCA) for the upper limb has been developed to add resolution to the clinical evaluation in patients with spinal cord injury (SCI). BMCA is a surface electromyography (sEMG)-based measure of motor output from the central nervous system during a variety of reflex and voluntary motor tasks performed under strictly controlled conditions. METHOD: Nine participants were recruited and assessed four times over a period of 1 year in a prospective cohort study design. The sEMG of 15 muscles (7 muscles from each upper limb and rectus abdominis) were recorded throughout the following stages of the BMCA protocol: (i) relaxation, (ii) reinforcement maneuvers, (iii) voluntary tasks, (iv) tendon-tap reflex responses, (v) vibration responses. RESULTS: Similarity index (SI) values were significantly lower in the SCI group for unilateral shoulder abduction (P = 0.006) and adduction (P = 0.021), elbow extension (P = 0.038), wrist flexion/extension with palm up (P < 0.001; P < 0.001) and wrist flexion with palm down (P = 0.016). sEMG magnitudes were also significantly lower in the SCI group for wrist flexion/extension with palm up (P < 0.001; P = 0.042). SI changes over time were significant for tasks related to wrist joint (P = 0.002). CONCLUSION: Clinicians who are involved in rehabilitation of patients with SCI can use the BMCA to assess their patients' motor control abilities and monitor their progression throughout their rehabilitation process. The results of this type of neurophysiological assessment might be useful to tailor therapeutic strategies for each patient.
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ItemGait recovery following spinal cord injury in mice: Limited effect of treadmill training(TAYLOR & FRANCIS LTD, 2016-01-01)BACKGROUND: Several studies in rodents with complete spinal cord transections have demonstrated that treadmill training improves stepping movements. However, results from studies in incomplete spinal cord injured animals have been conflicting and questions regarding the training dosage after injury remain unresolved. OBJECTIVES: To assess the effects of treadmill-training regimen (20 minutes daily, 5 days a week) for 3, 6 or 9 weeks on the recovery of locomotion in hemisected SCI mice. METHODS: A randomized and blinded controlled experimental trial used a mouse model of incomplete spinal cord injury (SCI). After a left hemisection at T10, adult male mice were randomized to trained or untrained groups. The trained group commenced treadmill training one week after surgery and continued for 3, 6 or 9 weeks. Quantitative kinematic gait analysis was used to assess the spatiotemporal characteristics of the left hindlimb prior to injury and at 1, 4, 7 and 10 weeks post-injury. RESULTS: One week after injury there was no movement of the left hindlimb and some animals dragged their foot. Treadmill training led to significant improvements in step duration, but had limited effect on the hindlimb movement pattern. Locomotor improvements in trained animals were most evident at the hip and knee joints whereas recovery of ankle movement was limited, even after 9 weeks of treadmill training. CONCLUSION: These results demonstrate that treadmill training may lead to only modest improvement in recovery of hindlimb movement after incomplete spinal cord injury in mice.
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ItemSubject-specific musculoskeletal modeling in the evaluation of shoulder muscle and joint function(ELSEVIER SCI LTD, 2016-11-07)Upper limb muscle force estimation using Hill-type muscle models depends on musculotendon parameter values, which cannot be readily measured non-invasively. Generic and scaled-generic parameters may be quickly and easily employed, but these approaches do not account for an individual subject's joint torque capacity. The objective of the present study was to develop a subject-specific experimental testing and modeling framework to evaluate shoulder muscle and joint function during activities of daily living, and to assess the capacity of generic and scaled-generic musculotendon parameters to predict muscle and joint function. Three-dimensional musculoskeletal models of the shoulders of 6 healthy subjects were developed to calculate muscle and glenohumeral joint loading during abduction, flexion, horizontal flexion, nose touching and reaching using subject-specific, scaled-generic and generic musculotendon parameters. Muscle and glenohumeral joint forces calculated using generic and scaled-generic models were significantly different to those of subject-specific models (p<0.05), and task dependent; however, scaled-generic model calculations of shoulder glenohumeral joint force demonstrated better agreement with those of subject-specific models during abduction and flexion. Muscles in generic musculoskeletal models operated further from the plateau of their force-length curves than those of scaled-generic and subject-specific models, while muscles in subject-specific models operated over a wider region of their force length curves than those of the generic or scaled-generic models, reflecting diversity of subject shoulder strength. The findings of this study suggest that generic and scaled-generic musculotendon parameters may not provide sufficient accuracy in prediction of shoulder muscle and joint loading when compared to models that employ subject-specific parameter-estimation approaches.