Posts Tagged Training
[Abstract] sEMG Bias-driven Functional Electrical Stimulation System for Upper Limb Stroke Rehabilitation
[Abstract] A Portable Passive Rehabilitation Robot for Upper-Extremity Functional Resistance Training
[White Book] White Book on Physical and Rehabilitation Medicine (PRM) in Europe. Chapter 9. Education and continuous professional development: shaping the future of PRM – Full Text PDF
In the context of the White Book of Physical and Rehabilitation Medicine (PRM), this paper deals with the education of PRM physicians in Europe. To acquire the wide field of competence needed, specialists in Physical and Rehabilitation Medicine have to undergo a well organised and appropriately structured training of adequate duration. In fact they are required to develop not only medical knowledge, but also competence in patient care, specific procedural skills, and attitudes towards interpersonal relationship and communication, profound understanding of the main principles of medical ethics and public health, ability to apply policies of care and prevention for disabled people, capacity to master strategies for reintegration of disabled people into society, apply principles of quality assurance and promote a practice-based continuous professional development. This paper provides updated detailed information about the education and training of specialists, delivers recommendations concerning the standards required at a European level, in agreement with the UEMS rules of creating a Common Training Framework, that consists of a common set of knowledge, skills and competencies for postgraduate training. The role of the European PRM Board is highlighted as a body aimed at ensuring the highest standards of medical training and health care across Europe and the harmonization of PRM physicians’ qualifications. To this scope, the theoretical knowledge necessary for the practice of PRM specialty and the core competencies (training outcomes) to be achieved at the end of training have been established and the postgraduate PRM core curriculum has been added. Undergraduate training of medical students is also focused, being considered a mandatory element for the growth of both PRM specialty and the medical community as a whole, mainly in front of the future challenges of the ageing population and the increase of disability in our continent. Finally, the problems of continuing professional development and medical education are faced in a PRM European perspective, and the role of the European Accreditation Council of Continuous Medical Education (EACCME) of UEMS is outlined.
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via White Book on Physical and Rehabilitation Medicine (PRM) in Europe. Chapter 9. Education and continuous professional development: shaping the future of PRM – European Journal of Physical and Rehabilitation Medicine 2018 April;54(2):279-86 – Minerva Medica – Journals
Stroke is one of the leading causes of death overall the world . According to a report from the American Heart Association, around 8 million population experience stroke onset every year worldwide . It remains many sequalae including a pathological walking pattern. Impaired walking function refrains stroke survivors from not only activities of daily living but also social participation, which causes poststroke depression in stroke survivors . Unfortunately, the depressed mood also negatively influences on the recovery of daily functions –. Moreover, decreased mobility is associated with other diseases such as obesity which leads to comorbidity then raise the possibility to get recurrent strokes , . This might become a vicious circle and form a huge economic burden for governments .
[Abstract+References] Evidence for Training-Dependent Structural Neuroplasticity in Brain-Injured Patients: A Critical Review
Acquired brain injury (ABI) is associated with a range of cognitive and motor deficits, and poses a significant personal, societal, and economic burden. Rehabilitation programs are available that target motor skills or cognitive functioning. In this review, we summarize the existing evidence that training may enhance structural neuroplasticity in patients with ABI, as assessed using structural magnetic resonance imaging (MRI)–based techniques that probe microstructure or morphology. Twenty-five research articles met key inclusion criteria. Most trials measured relevant outcomes and had treatment benefits that would justify the risk of potential harm. The rehabilitation program included a variety of task-oriented movement exercises (such as facilitation therapy, postural control training), neurorehabilitation techniques (such as constraint-induced movement therapy) or computer-assisted training programs (eg, Cogmed program). The reviewed studies describe regional alterations in white matter architecture and/or gray matter volume with training. Only weak-to-moderate correlations were observed between improved behavioral function and structural changes. While structural MRI is a powerful tool for detection of longitudinal structural changes, specific measures about the underlying biological mechanisms are lacking. Continued work in this field may potentially see structural MRI metrics used as biomarkers to help guide treatment at the individual patient level.
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via Evidence for Training-Dependent Structural Neuroplasticity in Brain-Injured Patients: A Critical Review – Karen Caeyenberghs, Adam Clemente, Phoebe Imms, Gary Egan, Darren R. Hocking, Alexander Leemans, Claudia Metzler-Baddeley, Derek K. Jones, Peter H. Wilson, 2018
[Abstract+References] SMART Arm Training With Outcome-Triggered Electrical Stimulation in Subacute Stroke Survivors With Severe Arm Disability: A Randomized Controlled Trial.
Background. Stroke survivors with severe upper limb disability need opportunities to engage in task-oriented practice to achieve meaningful recovery. Objective. To compare the effect of SMART Arm training, with or without outcome-triggered electrical stimulation to usual therapy, on arm function for stroke survivors with severe upper limb disability undergoing inpatient rehabilitation. Methods. A prospective, multicenter, randomized controlled trial was conducted with 3 parallel groups, concealed allocation, assessor blinding and intention-to-treat analysis. Fifty inpatients within 4 months of stroke with severe upper limb disability were randomly allocated to 60 min/d, 5 days a week for 4 weeks of (1) SMART Arm with outcome-triggered electrical stimulation and usual therapy, (2) SMART Arm alone and usual therapy, or (3) usual therapy. Assessment occurred at baseline (0 weeks), posttraining (4 weeks), and follow-up (26 and 52 weeks). The primary outcome measure was Motor Assessment Scale item 6 (MAS6) at posttraining. Results. All groups demonstrated a statistically (P < .001) and clinically significant improvement in arm function at posttraining (MAS6 change ≥1 point) and at 52 weeks (MAS6 change ≥2 points). There were no differences in improvement in arm function between groups (P= .367). There were greater odds of a higher MAS6 score in SMART Arm groups as compared with usual therapy alone posttraining (SMART Arm stimulation generalized odds ratio [GenOR] = 1.47, 95%CI = 1.23-1.71) and at 26 weeks (SMART Arm alone GenOR = 1.31, 95% CI = 1.05-1.57). Conclusion. SMART Arm training supported a clinically significant improvement in arm function, which was similar to usual therapy. All groups maintained gains at 12 months.
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via SMART Arm Training With Outcome-Triggered Electrical Stimulation in Subacute Stroke Survivors With Severe Arm Disability: A Randomized Controlled TrialNeurorehabilitation and Neural Repair – Ruth N. Barker, Kathryn S. Hayward, Richard G. Carson, David Lloyd, Sandra G. Brauer, 2017
[Abstract] Development of a Minimal-Intervention-Based Admittance Control Strategy for Upper Extremity Rehabilitation Exoskeleton
[Abstract] EEG-guided robotic mirror therapy system for lower limb rehabilitation – IEEE Conference Publication
Imagine that the New Year has just begun. You’ve made a resolution to improve your physical fitness. In particular, you want to improve your muscle strength. You’ve heard that people with stronger muscles live longer and have less difficulty standing, walking, and using the toilet when they get older (Rantanen et al. 1999; Ruiz et al. 2008). So, you join a fitness centre and hire a personal trainer. The trainer assesses your maximal strength, and then guides you through a 4-week program that involves lifting weights which are about 80% of your maximum.
Sure enough, after the program, you become stronger (probably around 20% stronger) (Carroll et al. 2011). You think this is great – and it is! You are so excited, you decide to stand in front of your mirror, flex your biceps, and take a selfie (your plan is to post the picture to Facebook to show your friends how much bigger your muscles got). However, after examining the picture, you realise your muscles did not get bigger. Or perhaps they did get a little bigger, but not enough to explain your substantial improvement in strength. You are somewhat disappointed in this, but then you remember your goal was to get stronger, not necessarily bigger, so you post the picture, anyway.
Interestingly, the observations you made are completely consistent with the scientific literature. Within the first weeks of strength training, muscle strength can improve without a change in the size or architecture of the muscle (e.g., Blazevich et al. 2007). Consequently, researchers have speculated that initial improvements in muscle strength from strength training are due primarily to changes in the central nervous system. One hypothesis has been that strength training helps the nervous system learn how to better “drive” or communicate with muscles. This ability is termed voluntary activation, and it can be tested by stimulating the motor area of an individual’s brain while they perform a maximal contraction (Todd et al. 2003). If the stimulation produces extra muscle force, it means that the individual’s nervous system was not maximally activating their muscles. Currently, there is no consensus as to whether voluntary activation can actually be improved by strength training.
Therefore, we conducted a randomised, controlled trial in which one group of participants completed four weeks of strength training, while a control group did not complete the training (Nuzzo et al. in press). For the group who performed the training, each exercise session consisted of four sets of strong contractions of the elbow flexor muscles (i.e., the muscles that bend the elbow, such as the biceps). Before and after the four week intervention, both groups were tested for muscle strength, voluntary activation, and several other measures. The participants were healthy, university-aged, and they had limited or no experience with strength training.
WHAT DID WE FIND?
Prior to the intervention, the strength training and control groups had similar levels of muscle strength and activation of the elbow flexor muscles. After the intervention, the group who performed the strength training improved their strength by 13%. They also improved their voluntary activation from 88.7% to 93.4%. The control group did not improve muscle strength or voluntary activation.
SIGNIFICANCE AND IMPLICATIONS
The results from our study show that four weeks of strength training improves the brain’s ability to “drive” the elbow flexor muscles to produce their maximal force. This helps to explain how muscles can become stronger, without a change in muscle size or architecture. Moreover, the results suggest that clinicians should consider strength training as a treatment for patients with motor impairments (e.g., stroke), as these individuals are likely to have poor voluntary activation (Bowden et al. 2014).
Nuzzo JL, Barry BK, Jones MD, Gandevia SC, Taylor JL. Effects of four weeks of strength training on the corticomotoneuronal pathway. Med Sci Sports Exerc, doi: 10.1249/MSS.0000000000001367.
Blazevich AJ, Gill ND, Deans N, Zhou S. Lack of human muscle architectural adaptation after short-term strength training. Muscle Nerve 35: 78-86.
Bowden JL, Taylor JL, McNulty PA. Voluntary activation is reduced in both the more- and less-affected upper limbs after unilateral stroke.Front Neurol 5: 239, 2014.
Carroll TJ, Selvanayagam VS, Riek S, Semmler RG. Neural adaptations to strength training: moving beyond transcranial magnetic stimulation and reflex studies. Acta Physiol 202: 119-140, 2011.
Rantanen T, Guralnik JM, Foley D, Masaki K, Leveille S, Curb JD, White L. Midline hand grip strength as a predictor of old age disability.JAMA 281: 558-560, 1999.
Ruiz JR, Sui X, Lobelo F, Morrow Jr. JR, Jackson AW, Sjöström M, Blair SN. Association between muscular strength and mortality in men: prospective cohort study. BMJ 337: a439, 2008.
Todd G, Taylor JL, Gandevia SC. Measurement of voluntary activation of fresh and fatigued human muscles using transcranial magnetic stimulation. J Physiol 555: 661-671, 2003.
Jim Nuzzo is a Postdoctoral Fellow at Neuroscience Research Australia (NeuRA). His research investigates how strength training alters the neural connections between the brain and muscles. Click here to read Jim’s other blogs.
[Abstract] Robot-assisted arm training in physical and virtual environments: A case study of long-term chronic stroke