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Periodic limb movement

Kento Nakagawa, Saeko Kawashima, Nobuaki Mizuguchi, Kazuyuki Kanosue
Periodic interlimb coordination shows lower performance when the ipsilateral hand and foot (e.g., right hand and right foot) are simultaneously moved than when the contralateral hand and foot (e.g., right hand and left foot) are simultaneously moved. The present study aimed to investigate how brain activity that is related to the dependence of hand-foot coordination on limb combination, using functional magnetic imaging. Twenty-one right-handed subjects performed periodic coordinated movements of the ipsilateral or contralateral hand and foot in the same or opposite direction in the sagittal plane...
2016: Frontiers in Human Neuroscience
Eija Haukka, Anneli Ojajärvi, Leena Kaila-Kangas, Päivi Leino-Arjas
We identified factors protective of all-cause sickness absence (SA) among subjects with multisite musculoskeletal pain (MSP). The nationally representative source sample comprised 3420 actively working Finns aged 30-55 in year 2000 and alive at follow-up. Pain in 18 body locations was combined into four sites (neck, low back, upper limbs, lower limbs). The baseline prevalence of MSP (pain in ≥ 2 sites) was 32 %. Baseline data on sociodemographic factors, work ability, work, health, and lifestyle were gathered by questionnaire, interview and clinical examination and linked with national registers on all-cause SA (periods lasting ≥10 workdays) for 2002-2008...
October 3, 2016: Pain
E K Greska, N Cortes, S I Ringleb, J A Onate, B L Van Lunen
Previous studies have shown conflicting information regarding leg dominance as an etiological factor for the risk of anterior cruciate ligament (ACL) injuries. It remains unclear if lower extremity neuromechanical limb asymmetries exist in experienced athletes. The purpose of this study was to evaluate lower extremity neuromechanical effects of leg dominance in female collegiate soccer athletes during an unanticipated side-step cutting task. Twenty female collegiate soccer players completed an unanticipated side-step cutting task, using their dominant and non-dominant legs...
October 17, 2016: Scandinavian Journal of Medicine & Science in Sports
Flavia Coroian, Jérôme Froger, H-Y Bonnin Koang, Claire Jourdan, Karima Bakhti, Marc Julia, Audrey Jaussent, Christian Hérisson, Isabelle Laffont
OBJECTIVE: The sensori-motor impairment of upper limb (UL) affects more than 50% of patients after stroke. The objective of this work was to study the efficiency of isokinetic muscle strengthening (IMS) in the chronic phase of stroke in this population. MATERIAL/PATIENTS AND METHODS: The patients underwent 6 weeks of outpatient rehabilitation, 3 days per week, combining physiotherapy (twice/day) and occupational therapy every day. The program was completed by 30 minutes elbow and wrist concentric slow speed IMS of flexor and extensor muscles, in the study group versus 30 minutes passive mobilisation of the joints carried out by the same isokinetic dynamometer in the control group...
September 2016: Annals of Physical and Rehabilitation Medicine
Nicolas Winisdoerffer, Marie-Madeleine Leclercq, Aurélie Muller, Myriam Martin, Myriam Pierrat
OBJECTIVE: A rehabilitation program, with successive types of exercises, including limb laterality recognition, imagined movements and mirror therapy, can be conducted in patients with CRPS I1. This graded motor imagery program, developed by Moseley, needs patients' participation, is educative, and improves edema, pain, and functional capacities. We want to investigate whether this program would improve health-related quality of life of patients with CRPS I. MATERIAL/PATIENTS AND METHODS: All patients with upper or lower limb CRPS I are included...
September 2016: Annals of Physical and Rehabilitation Medicine
Jessy Lauer, Stéphane Vigier, Frédéric Delage, Alain Meudec, Jean-Michel Pollet, João Paulo Vilas-Boas, Annie Rouard
OBJECTIVE: Aquatic shoulder exercises are widely implemented into rehabilitation programs to provide early muscle strengthening and improved joint mobility. However, since the drag - the force exerted by the water on the moving segments - is very hard to measure, an in-depth knowledge of internal joint load is lacking, which ultimately prevents healthcare professionals from understanding all clinical implications. For the first time, shoulder joint moment, work, and power were calculated through a novel, validated numerical approach coupling fluid flow simulations and inverse dynamics...
September 2016: Annals of Physical and Rehabilitation Medicine
Natasha A Lannin, Anne Cusick, Caroline Hills, Bianca Kinnear, Karin Vogel, Kate Matthews, Greg Bowring
BACKGROUND/AIM: Assistive technologies have the potential to increase the amount of movement practice provided during inpatient stroke rehabilitation. The primary aim of this study was to investigate the feasibility of using the Saebo-Flex(™) device in a subacute stroke setting to increase task-specific practice for people with little or no active hand movement. The secondary aim was to collect preliminary data comparing hand/upper limb function between a control group that received usual rehabilitation and an intervention group that used, in addition, the Saebo-Flex(™) device...
September 19, 2016: Australian Occupational Therapy Journal
Richard P Allen, Kasidet Hiranniramol, Stephany Fulda, Patrick Skeba, Christopher J Earley, Richard P Allen
STUDY OBJECTIVES: Periodic limb movements of sleep (PLMS) occur within a subject as a series with a remarkably stable period defined by the inter-movement interval (IMI). Sometimes a non-PLMS movement occurs intervening between two PLMS. PLMS scoring rules specify totally ignoring these intervening leg movements (iLM). This implicitly assumes an iLM results from a process sufficiently independent from the periodic process producing PLMS that it does not affect the periodicity of the surrounding PLMS...
September 9, 2016: Sleep
Michael Brogioli, Sophie Schneider, Werner L Popp, Urs Albisser, Anne K Brust, Inge-Marie Velstra, Roger Gassert, Armin Curt, Michelle L Starkey
BACKGROUND: Preclinical investigations in animal models demonstrate that enhanced upper limb (UL) activity during rehabilitation promotes motor recovery following spinal cord injury (SCI). Despite this, following SCI in humans, no commonly applied training protocols exist, and therefore, activity-based rehabilitative therapies (ABRT) vary in frequency, duration, and intensity. Quantification of UL recovery is limited to subjective questionnaires or scattered measures of muscle function and movement tasks...
2016: Frontiers in Neurology
Zhongxing Zhang, Maja Schneider, Marco Laures, Ming Qi, Ramin Khatami
Obstructive sleep apnea syndrome (OSA) and restless legs syndrome (RLS) with periodic limb movement during sleep (PLMS) are two sleep disorders characterized by repetitive respiratory or movement events associated with cortical arousals. We compared the cerebral hemodynamic changes linked to periodic apneas/hypopneas with arousals (AHA) in four OSA-patients with periodic limb movements (PLMA) with arousals in four patients with RLS-PLMS using near-infrared spectroscopy (NIRS). AHA induced homogenous pattern of periodic fluctuations in oxygenated (HbO2) and deoxygenated (HHb) hemoglobin, i...
2016: Frontiers in Neuroscience
Luc Tremblay, Valentin A Crainic, John de Grosbois, Arindam Bhattacharjee, Andrew Kennedy, Steve Hansen, Timothy N Welsh
The utilization of visual information for the control of ongoing voluntary limb movements has been investigated for more than a century. Recently, online sensorimotor processes for the control of upper-limb reaches were hypothesized to include a distinct process related to the comparison of limb and target positions (i.e., limb-target regulation processes: Elliott et al. in Psychol Bull 136:1023-1044. doi: 10.1037/a0020958 , 2010). In the current study, this hypothesis was tested by presenting participants with brief windows of vision (20 ms) when the real-time velocity of the reaching limb rose above selected velocity criteria...
September 12, 2016: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
I K Kundu, N K Datta, A Z Chowdhury, K P Das, M M Tarik, M A Faisal
Fracture of tibial shaft is the commonest site of long bone fractures due to its superficial location involving young or middle-age people. Proper management is an important issue regarding the future effective movements. In this study patients were grouped in closed Intra medullary interlocking nailing and locking compression plating. Post-operative follow up at 2 weeks, 6 weeks, 12 weeks and 3 months thereafter up to 6 months were done. Each of the patients was evaluated clinically and radiologically by tucker criteria of Tuker et al...
July 2016: Mymensingh Medical Journal: MMJ
M A Rahman, M M Zaman, M M Rahman, M Moniruzzaman, B Ahmed, F K Chhobi, N Rahman, M R Akter
Cerebral Palsy (CP) is one of the most common causes of all childhood disorders. There are tone, posture and movements difficulty due to non-progressive damage to the immature brain in CP. The hallmark of CP is a disability in the development of gross motor function (GMF). The influence of gross motor development on fine motor development is more important in early developmental period, specially under three years old and in children with CP. Various therapeutic interventions have been used in the management of GMF development...
July 2016: Mymensingh Medical Journal: MMJ
César Quiroz, Seema Gulyani, Wan Ruiqian, Jordi Bonaventura, Roy Cutler, Virginia Pearson, Richard P Allen, Christopher J Earley, Mark P Mattson, Sergi Ferré
Deficits of sensorimotor integration with periodic limb movements during sleep (PLMS) and hyperarousal and sleep disturbances in Restless Legs Syndrome (RLS) constitute two pathophysiologically distinct but interrelated clinical phenomena, which seem to depend mostly on alterations in dopaminergic and glutamatergic neurotransmission, respectively. Brain iron deficiency is considered as a main pathogenetic mechanism in RLS. Rodents with brain iron deficiency represent a valuable pathophysiological model of RLS, although they do not display motor disturbances...
December 2016: Neuropharmacology
Jessy Lauer, Annie Hélène Rouard, João Paulo Vilas-Boas
Sound inverse dynamics modeling is lacking in aquatic locomotion research because of the difficulty in measuring hydrodynamic forces in dynamic conditions. Here we report the successful implementation and validation of an innovative methodology crossing new computational fluid dynamics and inverse dynamics techniques to quantify upper limb joint forces and moments while moving in water. Upper limb kinematics of seven male swimmers sculling while ballasted with 4kg was recorded through underwater motion capture...
October 3, 2016: Journal of Biomechanics
José Luiz Pedroso, Pedro Braga-Neto, Alberto R M Martinez, Carlos R Martins, Flávio M Rezende Filho, Manoel A Sobreira-Neto, Lucila B F Prado, Gilmar F do Prado, Marcondes C França, Orlando G P Barsottini
PURPOSE OF REVIEW: This article provides a description on clinical features and pathophysiology of the main sleep disorders observed in Machado-Joseph disease (MJD). RECENT FINDINGS: Pathological studies have clearly demonstrated that degenerative process in MJD is widespread in the nervous system, and not restricted to the cerebellum. Nonmotor manifestations are frequent and may include pain, cramps, dysautonomia, cognitive deficits, psychiatric manifestations, olfactory deficits, fatigue, nutritional issues, and sleep disorders...
November 2016: Current Opinion in Psychiatry
Eptehal M Dongol, Adrian J Williams
PURPOSE OF REVIEW: One of the most common causes of excessive daytime sleepiness in clinical practice is obstructive sleep apnea syndrome (OSAS). So far, continuous positive airway pressure (CPAP) is the most effective treatment for OSA. Some of the patients do not improve on CPAP and remain sleepy despite using CPAP.This review provides updated information about the possible causes of residual sleepiness whilst using the CPAP in patients with OSAS. RECENT FINDINGS: Prevalence of OSAS has increased recently to 23...
November 2016: Current Opinion in Pulmonary Medicine
Yue Leng, Terri Blackwell, Katie L Stone, Tina D Hoang, Susan Redline, Kristine Yaffe
STUDY OBJECTIVES: To examine the association between periodic limb movements in sleep (PLMS) and change in selected aspects of cognition in community-dwelling older men. METHODS: We studied 2,636 older men without dementia who underwent in-home polysomnography with measurement of the periodic limb movement index (PLMI) and periodic limb movement arousal index (PLMAI) using piezoelectric sensors. Random-effects models and logistic regression were used to examine the association between PLMI, PLMAI, and 3- to 4-y change in cognition...
October 1, 2016: Sleep
Xu Li, Richard P Allen, Christopher J Earley, Hongjun Liu, Tiana E Cruz, Richard A E Edden, Peter B Barker, Peter C M van Zijl
OBJECTIVES: Altered brain iron homeostasis with regional iron deficiency has been previously reported in several studies of restless legs syndrome (RLS) patients. Inconsistencies still exist, however, in the reported iron changes in different brain regions and different RLS phenotypes. The purpose of this study was to assess differences in brain iron concentrations between RLS patients and healthy controls and their relation to severity of disease and periodic limb movement during sleep (PLMS)...
June 2016: Sleep Medicine
Marilyn Moro, Balaji Goparaju, Jelina Castillo, Yvonne Alameddine, Matt T Bianchi
INTRODUCTION: Periodic limb movements of sleep (PLMS) may increase cardiovascular and cerebrovascular morbidity. However, most people with PLMS are either asymptomatic or have nonspecific symptoms. Therefore, predicting elevated PLMS in the absence of restless legs syndrome remains an important clinical challenge. METHODS: We undertook a retrospective analysis of demographic data, subjective symptoms, and objective polysomnography (PSG) findings in a clinical cohort with or without obstructive sleep apnea (OSA) from our laboratory (n=443 with OSA, n=209 without OSA)...
2016: Nature and Science of Sleep
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