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3 results on '"Michael William Simpson"'

1. The Effects of Baduanjin Qigong on Postural Stability, Proprioception, and Symptoms of Patients With Knee Osteoarthritis: A Randomized Controlled Trial

Author

Jiajia Ye, Michael William Simpson, Yang Liu, Wei Lin, Weihong Zhong, Shuhe Cai, and Liye Zou

Subjects
exercise, Baduanjin, Qigong, mind-body exercise, osteoarthritis, postural stability, Medicine (General), R5-920
Abstract

Background: Knee osteoarthritis is a common disease affecting a large number of old individuals worldwide. This study aimed to explore the effects of Baduanjin Qigong in patients with knee osteoarthritis.Methods: Fifty participants with knee osteoarthritis were randomly assigned to either an experimental group (n = 25) or a control group (n = 25). Participants in the experimental group received Baduanjin Qigong training for 12 weeks, with three sessions per week lasting 40 min per session. Participants in the control group did not receive any additional physical training. All of participants completed outcome (proprioception, postural stability, and functional ability) assessments at three time points (baseline, Week 8, 12).Results: Proprioception and Western Ontario and McMaster Universities Osteoarthritis Index function were statistically improved at eighth and 12th week of the intervention in the Baduanjin Qigong group (p < 0.05), while the control group did not have any significant changes. For postural stability at the anterior-posterior direction with eyes closed, Baduanjin Qigong group showed significant improvement compared to controls after the 12 weeks of intervention (p < 0.05).Conclusions: Regular Baduanjin Qigong practice helped the improvement of knee joint proprioception and postural stability, and reduction of pain, stiffness, and functional impairments of old adults with knee osteoarthritis. Well-designed randomized controlled trials with long-term assessment are needed. The trial was registered in Chinese Clinical Trial Registry (ChiCTR-IOR-16010042). URL: http://www.chictr.org.cn/hvshowproject.aspx?id=10550.

Published
2020
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2. The effect of transcranial direct current stimulation on upper limb motor performance in Parkinson’s disease: a systematic review

Author

Margaret K.Y. Mak and Michael William Simpson

Subjects
medicine.medical_specialty, Parkinson's disease, Neurology, medicine.medical_treatment, Transcranial Direct Current Stimulation, Motor function, Upper Extremity, 03 medical and health sciences, 0302 clinical medicine, Physical medicine and rehabilitation, Rating scale, medicine, Humans, 030212 general & internal medicine, Transcranial direct-current stimulation, business.industry, Motor Cortex, Parkinson Disease, Neurophysiology, medicine.disease, medicine.anatomical_structure, Quality of Life, Upper limb, Neurology (clinical), Primary motor cortex, business, 030217 neurology & neurosurgery
Abstract

Parkinson’s disease (PD) reduces independence and quality of life through deterioration of upper limb motor function. Transcranial direct current stimulation (tDCS) may offer an alternative, adjunctive therapy for PD. However, the efficacy of tDCS for upper limb motor rehabilitation in PD is unknown. In this systematic review, evidence is compiled regarding the effects of tDCS on upper limb motor function in PD. Studies of tDCS applied to PD patients that assessed upper limb motor function, conducted between January 2000 and November 2018, were screened for inclusion via a systematic search of Medline, Cochrane, PsycINFO, EMBASE, CINAHL, and Web of Science. Ten out of 606 studies were included and their findings synthesized into five categories regarding the effects of tDCS on: (1) Unified Parkinson’s Disease Rating Scale motor section (UPDRS III), (2) upper limb motor tasks, (3) manual dexterity, (4) reaction time, and (5) neurophysiology. When applied to the primary motor cortex, tDCS may improve UPDRS III and the speed and force of movement. Considerable variation was found in tDCS parameters and further study is needed to clarify the long-term effects of tDCS on both simple and complex motor tasks and to compile relevant neurophysiological evidence.

Published
2019

3. Single session transcranial direct current stimulation to the primary motor cortex fails to enhance early motor sequence learning in Parkinson’s disease

Author

Michael William Simpson and Margaret K.Y. Mak

Subjects
Male, medicine.medical_specialty, Parkinson's disease, medicine.medical_treatment, Transcranial Direct Current Stimulation, Functional Laterality, Premotor cortex, Behavioral Neuroscience, Physical medicine and rehabilitation, Reaction Time, medicine, Humans, Learning, Aged, Spectroscopy, Near-Infrared, Supplementary motor area, Transcranial direct-current stimulation, business.industry, Motor Cortex, Parkinson Disease, Middle Aged, Hand, medicine.disease, medicine.anatomical_structure, Finger tapping, Female, Primary motor cortex, Motor learning, business, Psychomotor Performance, Motor cortex
Abstract

INTRODUCTION Explicit motor sequence learning is impaired in Parkinson's disease (PD). Transcranial direct current stimulation (tDCS) applied over the motor cortex in healthy can improve explicit motor learning, but comparative effects in PD are unknown. This exploratory study aims to examine the effect of single session tDCS on explicit motor sequence learning in PD. METHODS Thirty-three people with mild to moderate PD learnt a short and long finger tapping sequence with their right hand. Participants received either anodal, cathodal, or sham tDCS applied over the left primary motor cortex during task practice. Single- and dual-task finger tapping performance was assessed before and after task practice and functional near-infrared spectroscopy used to measure task related changes of oxygenated haemoglobin. RESULTS Finger tapping performance of short and long sequences under single-task conditions significantly improved following practice (p = 0.010 and p

Published
2022

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