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https://www.readbyqxmd.com/read/28886059/optimisation-of-a-machine-learning-algorithm-in-human-locomotion-using-principal-component-and-discriminant-function-analyses
#1
Maria Bisele, Martin Bencsik, Martin G C Lewis, Cleveland T Barnett
Assessment methods in human locomotion often involve the description of normalised graphical profiles and/or the extraction of discrete variables. Whilst useful, these approaches may not represent the full complexity of gait data. Multivariate statistical methods, such as Principal Component Analysis (PCA) and Discriminant Function Analysis (DFA), have been adopted since they have the potential to overcome these data handling issues. The aim of the current study was to develop and optimise a specific machine learning algorithm for processing human locomotion data...
2017: PloS One
https://www.readbyqxmd.com/read/28820647/acute-fatigue-negatively-affects-risk-factors-for-injury-in-trained-but-not-well-trained-habitually-shod-runners-when-running-barefoot
#2
Nicholas Tam, Devon R Coetzee, Safwaan Ahmed, Robert P Lamberts, Yumna Albertus-Kajee, Ross Tucker
INTRODUCTION: Many factors may contribute to running-related injury. These include fatigue and footwear, the combination of which has rarely been studied, in particular with reference to barefoot running, recently advocated as a method to reduce injury risk. METHODS: Twenty-two runners (12 well-trained and 10 trained) participated in a 10 km fatiguing trial. Knee and ankle joint kinematics and kinetics and electromyography were assessed during overground running in the barefoot and shod condition...
October 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28768339/habitual-minimalist-shod-running-biomechanics-and-the-acute-response-to-running-barefoot
#3
Nicholas Tam, Ian A J Darragh, Nikhil V Divekar, Robert P Lamberts
The aim of the study was to determine whether habitual minimalist shoe runners present with purported favorable running biomechanithat reduce running injury risk such as initial loading rate. Eighteen minimalist and 16 traditionally cushioned shod runners were assessed when running both in their preferred training shoe and barefoot. Ankle and knee joint kinetics and kinematics, initial rate of loading, and footstrike angle were measured. Sagittal ankle and knee joint stiffness were also calculated. Results of a two-factor ANOVA presented no group difference in initial rate of loading when participants were running either shod or barefoot; however, initial loading rate increased for both groups when running barefoot (p=0...
September 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28693889/barefoot-doctors-and-the-health-care-revolution-in-rural-china-a-study-centered-on-shandong-province
#4
Sanchun Xu, Danian Hu
Barefoot doctors were rural medical personnel trained en masse, whose emergence and development had a particular political, economic, social, and cultural background. Like the rural cooperative medical care system, the barefoot doctor was a well-known phenomenon in the Cultural Revolution. Complicated regional differences and a lack of reliable sources create much difficulty for the study of barefoot doctors and result in differing opinions of their status and importance. Some scholars greatly admire barefoot doctors, whereas others harshly criticize them...
July 7, 2017: Endeavour
https://www.readbyqxmd.com/read/28666805/change-in-coefficient-of-fatigability-following-rapid-repetitive-movement-training-in-post-stroke-spastic-paresis-a-prospective-open-label-observational-study
#5
Michele Vecchio, Jean-Michel Gracies, Francesco Panza, Francesca Fortunato, Giovanna Vitaliti, Giulia Malaguarnera, Nicoletta Cinone, Raffaele Beatrice, Maurizio Ranieri, Andrea Santamato
BACKGROUND: In post-stroke patients, the possibility of performing an active ankle dorsiflexion movement is favorable for the recovery of gait. Moreover, the fatigue due to repetitive active ankle dorsiflexion could reduce the speed gait. We assessed the change in coefficient of fatigability of active ankle dorsiflexion after a home-based self-rehabilitative procedure in post-stroke patients. METHODS: In a prospective open-label observational study conducted in 2 university hospitals, a home-based self-rehabilitation treatment comprising two 12-minute sessions per day (3 times per week for 3 months) was performed by 10 outpatients with post-stroke lower limb impairment...
June 27, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28666444/development-of-village-doctors-in-china-financial-compensation-and-health-system-support
#6
REVIEW
Dan Hu, Weiming Zhu, Yaqun Fu, Minmin Zhang, Yang Zhao, Kara Hanson, Melisa Martinez-Alvarez, Xiaoyun Liu
BACKGROUND: Since 1968, China has trained about 1.5 million barefoot doctors in a few years' time to provide basic health services to 0.8 billion rural population. China's Ministry of Health stopped using the term of barefoot doctor in 1985, and changed policy to develop village doctors. Since then, village doctors have kept on playing an irreplaceable role in China's rural health, even though the number of village doctors has fluctuated over the years and they face serious challenges...
July 1, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28641058/acute-kinematics-changes-in-marathon-runners-using-different-footwear
#7
Tania Socorro Amorim Soares, Camila Fonseca de Oliveira, Federico Pizzuto, Rui Manuel Garganta, João Paulo Vila-Boas, Mario Casimiro da Anunciação Paiva
The effects of running with or without shoes on injury prevention have been extensively studied, and several investigations have assessed biomechanical differences between them. However, findings are not consensual and further insights on biomechanical load associated with differently shod or barefoot conditions may be needed. This study aimed to observe if habitually shod marathon runners show acute alterations when running barefoot or with minimalist shoes, and to determine whether the running kinematical adaptations of wearing minimalist shoes were similar to barefoot running...
June 22, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28538320/the-effects-of-a-heel-wedge-on-hip-pelvis-and-trunk-biomechanics-during-squatting-in-resistance-trained-individuals
#8
Jesse M Charlton, Connor A Hammond, Christopher K Cochrane, Gillian L Hatfield, Michael A Hunt
Barbell back squats are a popular exercise for developing lower extremity strength and power. However, this exercise has potential injury risks, particularly to the lumbar spine, pelvis, and hip joint. Previous literature suggests heel wedges as a means of favorably adjusting trunk and pelvis kinematics with the intention of reducing such injury risks. Yet no direct biomechanical research exists to support these recommendations. Therefore, the purpose of this study was to examine the effects of heel wedges compared with barefoot on minimally loaded barbell back squats...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28423015/correction-16-weeks-of-progressive-barefoot-running-training-changes-impact-force-and-muscle-activation-in-habitual-shod-runners
#9
Ana Paula da Silva Azevedo, Bruno Mezêncio, Alberto Carlos Amadio, Julio Cerca Serrão
[This corrects the article DOI: 10.1371/journal.pone.0167234.].
2017: PloS One
https://www.readbyqxmd.com/read/27968830/availability-and-use-of-primary-care-facilities-in-china-a-nationwide-representative-survey
#10
William C W Wong, Sunfang Jiang, Jason Ong, Minghui Peng, Eric Wan, Zhanshu Zhu, Cindy L K Lam, Michael Kidd, Martin Roland
BACKGROUND: China introduced a national policy to develop primary care in 2009, with 8669 community health centres (CHCs) established by 2014, employing more than 300 000 staff. However, against a background of the "barefoot doctor" legacy in rural China, mistrust of doctors, and over-reliance on specialist care, these facilities have been underused. This study aimed to evaluate the current quality of CHCs in China, including the organisation and infrastructure, as well as the use and training of the health-care professionals within primary care...
October 2016: Lancet
https://www.readbyqxmd.com/read/27907069/16-weeks-of-progressive-barefoot-running-training-changes-impact-force-and-muscle-activation-in-habitual-shod-runners
#11
Ana Paula da Silva Azevedo, Bruno Mezêncio, Alberto Carlos Amadio, Julio Cerca Serrão
Short-term effects of barefoot and simulated barefoot running have been widely discussed in recent years. Consequences of adopting barefoot running for a long period, including as a training approach, still remain unknown. The present study evaluated the influence of 16 weeks of progressive barefoot running training on impact force and muscle activation in habitual shod runners. Six habitual shod runners (3 men and 3 women, 29.5 ± 7.3 years) were tested barefoot (BF) and shod (SH), before and after 16 weeks of progressive barefoot running training...
2016: PloS One
https://www.readbyqxmd.com/read/27902891/computerized-agility-training-improves-change-of-direction-and-balance-performance-independently-of-footwear-in-young-adults
#12
RANDOMIZED CONTROLLED TRIAL
Max R Paquette, Brian K Schilling, Joshua D Bravo, Shelby A Peel, Yuhua Li, Robert J Townsend
Understanding the effects of training in different footwear on sporting performance would be useful to coaches and athletes. PURPOSE: This study compared the effects of computerized agility training using 3 types of footwear on change-of-direction and balance performance in young adults. METHOD: Thirty recreationally active young adults (Mage = 22.8 ± 3.1 years; Mheight = 1.71 ± 0.7 m; Mbodymass = 73.4 ± 10.3 kg) were randomly assigned to a 6-week computerized agility training intervention in 1 of 3 footwear groups (n = 10/group): barefoot, minimal footwear, or traditional shoes...
March 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/27900198/do-rocker-sole-shoes-influence-postural-stability-in-chronic-low-back-pain-a-randomised-trial
#13
C Sian MacRae, Duncan Critchley, Matthew Morrissey, Adam Shortland, Jeremy S Lewis
BACKGROUND: People with chronic low back pain (CLBP) demonstrate greater postural instability compared with asymptomatic individuals. Rocker-sole shoes are inherently unstable and may serve as an effective balance training device. This study hypothesised that wearing rocker-sole shoes would result in long-term improvement in barefoot postural stability in people with CLBP. METHODS: 20 participants with CLBP were randomised to wear rocker-sole or flat-sole shoes for a minimum of 2 hours each day...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27865154/a-narrow-bimalleolar-width-is-a-risk-factor-for-ankle-inversion-injury-in-male-military-recruits-a-prospective-study
#14
Hannah Rice, Michael Nunns, Carol House, Joanne Fallowfield, Adrian Allsopp, Sharon Dixon
BACKGROUND: Ankle inversion injuries are one of the most common and burdensome injuries in athletic populations. Research that prospectively identifies characteristics associated with this injury is lacking. This prospective study compared baseline anthropometric and biomechanical gait characteristics of military recruits who sustained an ankle inversion injury during training, with those who remained injury-free. METHODS: Bilateral plantar pressure and three-dimensional lower limb kinematics were recorded in 1065 male, injury-free military recruits, during barefoot running...
January 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/27803620/a-comparison-of-stride-length-and-lower-extremity-kinematics-during-barefoot-and-shod-running-in-well-trained-distance-runners
#15
Peter Francis, James Ledingham, Sarah Clarke, D J Collins, Philip Jakeman
Stride length, hip, knee and ankle angles were compared during barefoot and shod running on a treadmill at two speeds. Nine well-trained (1500m time: 3min:59.80s ± 14.7 s) male (22 ±3 years; 73 ±9 kg; 1.79 ±0.4 m) middle distance (800 m - 5,000 m) runners performed 2 minutes of running at 3.05 m·s(-1) and 4.72 m·s(-1) on an treadmill. This approach allowed continuous measurement of lower extremity kinematic data and calculation of stride length. Statistical analysis using a 2X2 factorial ANOVA revealed speed to have a main effect on stride length and hip angle and footwear to have a main effect on hip angle...
September 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27669190/the-effects-of-a-heel-wedge-on-hip-pelvis-and-trunk-biomechanics-during-squatting-in-resistance-trained-individuals
#16
Jesse M Charlton Bpec Cscs, Connor A Hammond, Christopher K Cochrane, Gillian L Hatfield, Michael A Hunt
Barbell back squats are a popular exercise for developing lower extremity strength and power. However, this exercise has potential injury risks, particularly to the lumbar spine, pelvis and hip joint. Previous literature suggests heel wedges as a means of favourably adjusting trunk and pelvis kinematics with the intention of reducing such injury risks. Yet no direct biomechanical research exists to support these recommendations. Therefore, the purpose of this study was to examine the effects of heel wedges compared to barefoot on minimally loaded barbell back squats...
September 20, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27453834/training-doctors-for-primary-care-in-china-transformation-of-general-practice-education
#17
Donald Li
China is known for developing a cadre of "Barefoot Doctors" to address her rural healthcare needs in past. The tradition of barefoot doctors has inspired similar developments in several other countries across world. Recently China has embarked upon an ambitious new mission to create a primary care workforce consisting of trained general practitioners having international standard skillsets. This editorial provides an insight into the current status of policy deliberations with regards to training of primary care doctors and a new surge in general practice education in China...
January 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/27390443/therapeutic-efficacy-of-walking-backward-and-forward-on-a-slope-in-normal-adults
#18
Hyun-Gyu Cha, Tae-Hoon Kim, Myoung-Kwon Kim
In this study, the therapeutic effects of backward walking were examined. [Subjects and Methods] In all, 16 subjects were randomly assigned to an experimental group and 17 to a control group. All subjects walked barefoot on a treadmill (HM50EX, Daeho, Korea) for 20 min, five times per week, for a total of 4 weeks. The average gait velocity of the subjects was 3 km/h on a 10% slope. The experimental group walked backwards and the control group walked forwards. [Results] The experimental group showed significant increments in both medial-lateral and anterior-posterior balance, step length, and velocity compared with the pre-intervention results...
June 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27064158/the-edge-of-expertise-representing-barefoot-doctors-in-cultural-revolution-china
#19
Lan Angela Li
‘Barefoot doctors’ were designed as an innovative task force during the Cultural Revolution (1966-1976) to provide health care to rural villages in China. Without formal training that would identify the group professionally, barefoot doctors were at once amateur medical practitioners and expert revolutionary actors in Communist Party propaganda. At stake in legitimating revolutionary medicine was allowing revolutionary spirit to supplement for minimal medical training. As a result, the symbolic power of representing barefoot doctors rested in showcasing their devotion to enhancing access to health care in rural China...
September 2015: Endeavour
https://www.readbyqxmd.com/read/26985235/barefoot-therapists-barriers-and-facilitators-to-delivering-maternal-mental-health-care-through-peer-volunteers-in-pakistan-a-qualitative-study
#20
Najia Atif, Karina Lovell, Nusrat Husain, Siham Sikander, Vikram Patel, Atif Rahman
BACKGROUND: Perinatal depression is a public health problem in low and middle income countries. Although effective psychosocial interventions exist, a major limitation to their scale up is the scarcity of mental health professionals. The aim of this study was to explore the facilitators and barriers to the acceptability of peer volunteers (PVs)-volunteer lay women from the community with shared socio-demographic and life experiences with the target population-as delivery agents of a psychosocial intervention for perinatal depression in a rural area of Pakistan...
2016: International Journal of Mental Health Systems
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