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1. Cerebral autoregulation in patients with obstructive sleep apnea syndrome during wakefulness

Author

M. Tiberge, Marek Czosnyka, V. Larrue, A. Pavy-Le Traon, Eric A. Schmidt, Nathalie Nasr, Simon, Marie Francoise, Institut de médecine moléculaire de Rangueil (I2MR), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées- Institut Fédératif de Recherche Bio-médicale Institution (IFR150)-Institut National de la Santé et de la Recherche Médicale (INSERM), Neurologie Vasculaire [Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Service d'Explorations Fonctionnelles respiratoires, Centre Hospitalier Régional Universitaire de Brest (CHRU Brest), Addenbrooke's Hospital, Cambridge University NHS Trust, Neurologie et Explorations Fonctionnelles du Système Nerveux [Toulouse], Service Neurochirurgie [CHU Toulouse], Pôle Neurosciences [CHU Toulouse], and Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)-Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)

Subjects
Male, Middle Cerebral Artery, MESH: Sleep Apnea, Obstructive, MESH: Cerebrum, Blood Pressure, Polysomnography, MESH: Carbon Dioxide, MESH: Regression Analysis, Homeostasis, Autoregulation, Stroke, Sleep Apnea, Obstructive, MESH: Middle Aged, medicine.diagnostic_test, Sleep apnea, MESH: Blood Flow Velocity, MESH: Blood Pressure, MESH: Cerebrovascular Circulation, Middle Aged, Neurology, Cerebral blood flow, MESH: Polysomnography, MESH: Homeostasis, Cerebrovascular Circulation, Anesthesia, Middle cerebral artery, Regression Analysis, Female, MESH: Pressure, Blood Flow Velocity, Cerebral autoregulation, medicine.artery, Pressure, medicine, Humans, Wakefulness, Cerebrum, MESH: Humans, business.industry, MESH: Middle Cerebral Artery, Carbon Dioxide, medicine.disease, MESH: Male, respiratory tract diseases, Obstructive sleep apnea, MESH: Wakefulness, Regional Blood Flow, MESH: Regional Blood Flow, Neurology (clinical), business, MESH: Female
Abstract

International audience; BACKGROUND AND PURPOSE: Obstructive sleep apnea syndrome (OSAS) is an independent risk factor for stroke. Impairment of cerebral autoregulation may play a potential role in the pre-disposition to stroke of OSAS patients. In this study, we aimed to assess dynamic cerebral autoregulation (DCA) during wakefulness in OSAS patients and a group of matched controls. METHODS: Patients and controls were examined in the morning after an overnight complete polysomnography. Mean cerebral blood flow velocity (CBFV) in the middle cerebral artery and mean arterial blood pressure (ABP) were continuously recorded using transcranial Doppler and Finapres. DCA was assessed using the Mx autoregulatory index. Mx is a moving correlation coefficient between mean CBFV and mean ABP. More positive value of Mx indicates worse autoregulation. RESULTS: Eleven OSAS patients (mean age +/- SD; 52.6 +/- 7.9) and 9 controls (mean age +/- SD; 49.1 +/- 5.3) were enrolled. The mean apnea-hypopnea index (AHI) in the OSAS group was of 22.7 +/- 11.6. No significant difference was found between the two groups as for age, body mass index, mean ABP and endtidal CO(2) pressure. Cerebral autoregulation was impaired in OSAS patients compared with controls (Mx index: 0.414 +/- 0.138 vs. 0.233 +/- 0.100; P = 0.009). The severity of autoregulation impairment correlated to the severity of the sleep respiratory disturbance measured by the AHI (P = 0.003). CONCLUSION: Cerebral autoregulation is impaired in patients with OSAS during wakefulness. Impairment of cerebral autoregulation is correlated with the severity of OSAS.

Published
2009

2. Do sensorial manipulations affect subjects differently depending on their postural abilities?

Author

Noé, Frédéric, Bernard, Nicolas, Hazard, Clement, Paillard, Thierry, Bizid, R., Dupui, Philippe, Mouvement, Équilibre, Performance, Santé (MEPS), Université de Pau et des Pays de l'Adour (UPPA), Géoarchitecture : Territoires, Urbanisation, Biodiversité, Environnement, Université de Rennes (UR)-Université de Brest (UBO), Neurologie et Explorations Fonctionnelles du Système Nerveux [Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Université de Brest (UBO)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-CHU Toulouse [Toulouse]-Hôpital de Rangueil, and CHU Toulouse [Toulouse]

Subjects
Adult, Male, medicine.medical_specialty, Posture, Physical Therapy, Sports Therapy and Rehabilitation, Sensory system, Affect (psychology), Postural control, 03 medical and health sciences, 0302 clinical medicine, Physical medicine and rehabilitation, Soccer, medicine, Humans, Orthopedics and Sports Medicine, Force platform, Foot pressure, ComputingMilieux_MISCELLANEOUS, Balance (ability), Proprioception, 030229 sport sciences, General Medicine, Electric Stimulation, Football soccer, Physical therapy, Original Article, [SDV.NEU]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC], Psychology, human activities, 030217 neurology & neurosurgery
Abstract

Objectives: To examine whether sensorial manipulation affects subjects differently according to their postural performance and the strategies used. The literature showed that the level of competition of soccer players influences their postural performance and strategy. Methods: Eight high-level (HL) professional soccer players and nine regional-level (RL) soccer players were tested (1) in a reference condition and (2) in a manipulated sensorial condition (MAN). The MAN condition consisted of perturbing the proprioceptive and exteroceptive information. For each postural condition, balance was assessed by measuring the centre of foot pressure using a force platform during a test of bipedal standing posture. Results: The postural control was less perturbed in the HL than in the RL players in the two postural conditions. Moreover, the group–condition interaction showed that the postural control was less disturbed in the HL than in the RL players when the sensory information was manipulated. Conclusions: The HL soccer players probably possessed a better internal model of verticality than the RL players. Subjects who had a better postural control level were less disturbed by sensorial manipulation than the others in postural regulation.

Published
2007

3. Gender as a Modifying Factor Influencing Myotonic Dystrophy Type 1 Phenotype Severity and Mortality: A Nationwide Multiple Databases Cross-Sectional Observational Study

Author

Hugo Varet, Guilhem Solé, Dominique Menard, Celia Boutte, Khadija Amarof, Valerie Drouin-Garraud, Jack Puymirat, Gerard Riviere, Felix Rougier, Françoise Chapon, Marguerite Preudhomme, Anne-Laure Bedat-Millet, Xavier Ferrer, Dalil Hamroun, Tanya Stojkovich, Vincent Tiffreau, Pascal Cintas, Romain K. Gherardi, Laurent Magy, Céline Dogan, Karima Ghorab, Françoise Bouhour, Marianne Fabbro, Sybille Pellieux, Gilbert Caranhac, Romain Deschamps, Rémi Bellance, Helene Gervais-Bernard, Pascal Laforêt, Marie-Christine Minot, Sabrina Sacconi, Emmanuelle Campana-Salort, Marie-Christine Arne Bes, Claude Desnuelle, Aleksandra Nadaj-Pakleza, Andoni Urtizberea, Christophe Vial, François Boyer, Anthony Behin, Armelle Magot, Fabien Zagnoli, Bruno Eymard, Yann Péréon, Jean Pouget, Guillaume Bassez, Marie De Antonio, Sandrine Katsahian, Alain Geille, Claude Bourlier, Institut Mondor de Recherche Biomédicale (IMRB), Institut National de la Santé et de la Recherche Médicale (INSERM)-IFR10-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12), Centre de Recherche des Cordeliers (CRC (UMR_S_1138 / U1138)), École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU), Université Paris Descartes - Paris 5 (UPD5), Laboratoire de génétique des maladies rares. Pathologie moleculaire, etudes fonctionnelles et banque de données génétiques (LGMR), Université Montpellier 1 (UM1)-IFR3, Université Montpellier 1 (UM1)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Montpellier (UM), CHU de Fort de France, Centre de Reference des Maladies Neuromusculaires - Atlantique Occitanie Caraïbe (CRMN - AOC), CHU Rouen, Normandie Université (NU), Institut de Myologie, Université Pierre et Marie Curie - Paris 6 (UPMC)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Association française contre les myopathies (AFM-Téléthon)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), CHU de la Martinique [Fort de France], Groupement Hospitalier Est, Centre Hospitalier Universitaire [Grenoble] (CHU), Santé publique, vieillissement, qualité de vie et réadaptation des sujets fragiles - EA 3797 (SPVQVRSF), Université de Reims Champagne-Ardenne (URCA)-SFR CAP Santé (Champagne-Ardenne Picardie Santé), Université de Reims Champagne-Ardenne (URCA)-Université de Picardie Jules Verne (UPJV)-Université de Reims Champagne-Ardenne (URCA)-Université de Picardie Jules Verne (UPJV), Service de Médecine Physique Neurologique-Traumatologique [Reims], Université de Reims Champagne-Ardenne (URCA)-Centre Hospitalier Universitaire de Reims (CHU Reims)-Hôpital Sébastopol, Génétique Médicale et Génomique Fonctionnelle (GMGF), Aix Marseille Université (AMU)-Assistance Publique - Hôpitaux de Marseille (APHM)- Hôpital de la Timone [CHU - APHM] (TIMONE)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Centre de référence des maladies neuromusculaires et de la SLA, Hôpital de la Timone [CHU - APHM] (TIMONE), CHU Caen, Normandie Université (NU)-Tumorothèque de Caen Basse-Normandie (TCBN), Mobilités : Attention, Orientation et Chronobiologie (COMETE), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Centre Hospitalier Universitaire de Nice (CHU Nice), CHU Bordeaux [Bordeaux], Service de Neurologie [CHU Limoges], CHU Limoges, Centre de référence national neuropathies périphériques rares [CHU Limoges], CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Laboratoire d'Explorations Fonctionnelles, Centre hospitalier universitaire de Nantes (CHU Nantes), Centre de Référence des Maladies Neuromusculaires Rares de l'Enfant et de l'Adulte Nantes-Angers, Maintenance Myélinique et Neuropathies Périphériques (MMNP), Institut Génomique, Environnement, Immunité, Santé, Thérapeutique (GEIST), Université de Limoges (UNILIM)-Université de Limoges (UNILIM), CHU Pontchaillou [Rennes], Centre Hospitalier Universitaire d'Angers (CHU Angers), PRES Université Nantes Angers Le Mans (UNAM), CHU Trousseau [Tours], Centre Hospitalier Régional Universitaire de Tours (CHRU Tours), Hôtel-Dieu de Nantes, Université de Nantes (UN), Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Neuro-Oncologie [Hôpital de la Timone - APHM], Aix Marseille Université (AMU)-Assistance Publique - Hôpitaux de Marseille (APHM)- Hôpital de la Timone [CHU - APHM] (TIMONE), Institut de Biologie Valrose (IBV), Université Nice Sophia Antipolis (1965 - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA), Hôpital Marin, Hôpital neurologique et neurochirurgical Pierre Wertheimer [CHU - HCL], Hospices Civils de Lyon (HCL), Hôpital d'Instruction des Armées Clermont Tonnerre, Service de Santé des Armées, Centre de Recherche de l'Institut du Cerveau et de la Moelle épinière (CRICM), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Jonchère, Laurent, Centre de référence des maladies rares neuromusculaires Aquitaine-Grand Sud Ouest, CHU Toulouse [Toulouse], Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Association française contre les myopathies (AFM-Téléthon)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Pierre et Marie Curie - Paris 6 (UPMC), Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM)-Aix Marseille Université (AMU)-Assistance Publique - Hôpitaux de Marseille (APHM)- Hôpital de la Timone [CHU - APHM] (TIMONE)-Centre National de la Recherche Scientifique (CNRS), École Pratique des Hautes Études (EPHE), Université de Reims Champagne-Ardenne (URCA)-Université de Reims Champagne-Ardenne (URCA), Univ. Littoral Côte d’Opale, Univ. Artois, Université de Lille, Université Paris-Est Créteil Val-de-Marne - Paris 12 [UPEC UP12], CHU Montpellier, Hôpital Pierre Zobda-Quitman [CHU de la Martinique], Neurologie et Explorations Fonctionnelles du Système Nerveux [Toulouse], Centre Hospitalier Universitaire [Grenoble] [CHU], Centre Hospitalier Universitaire de Reims [CHU Reims], Hôpital de la Timone [CHU - APHM] [TIMONE], Centre Hospitalier Universitaire de Nice [CHU Nice], Centre hospitalier universitaire de Nantes [CHU Nantes], Centre Hospitalier Universitaire d'Angers [CHU Angers], Centre Hospitalier Régional Universitaire [Lille] [CHRU Lille], Unité de Recherche Pluridisciplinaire Sport, Santé, Société (URePSSS) - ULR 7369 - ULR 4488 [URePSSS], Association française contre les myopathies [AFM-Téléthon], and Université Pierre et Marie Curie - Paris 6 [UPMC]

Subjects
Male, 0301 basic medicine, Databases, Factual, Physiology, Cross-sectional study, Myotonic dystrophy, lcsh:Medicine, Disease, computer.software_genre, Laryngology, 0302 clinical medicine, Medicine and Health Sciences, Ethnicities, Medicine, French People, lcsh:Science, education.field_of_study, Multidisciplinary, Death rates, Database, Cognitive Neurology, Mortality rate, Dysphagia, 3. Good health, Phenotype, Cognitive impairment, Neurology, Physiological Parameters, Female, Research Article, Adult, Maternal inheritance, Cognitive Neuroscience, Population, [SDV.GEN.GH] Life Sciences [q-bio]/Genetics/Human genetics, 03 medical and health sciences, Population Metrics, Adults, Humans, Obesity, Sex Distribution, education, Demography, Population Biology, Cataracts, business.industry, lcsh:R, Body Weight, Biology and Life Sciences, medicine.disease, Myotonia, Thyroid disorder, Health Care, Ophthalmology, Cross-Sectional Studies, 030104 developmental biology, Otorhinolaryngology, Socioeconomic Factors, [SDV.GEN.GH]Life Sciences [q-bio]/Genetics/Human genetics, Age Groups, [SDV.SPEE] Life Sciences [q-bio]/Santé publique et épidémiologie, Lens Disorders, People and Places, Cognitive Science, lcsh:Q, Population Groupings, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, Health Statistics, Morbidity, Age of onset, business, computer, 030217 neurology & neurosurgery, Neuroscience
Abstract

International audience; BACKGROUND: Myotonic Dystrophy type 1 (DM1) is one of the most heterogeneous hereditary disease in terms of age of onset, clinical manifestations, and severity, challenging both medical management and clinical trials. The CTG expansion size is the main factor determining the age of onset although no factor can finely predict phenotype and prognosis. Differences between males and females have not been specifically reported. Our aim is to study gender impact on DM1 phenotype and severity.METHODS: We first performed cross-sectional analysis of main multiorgan clinical parameters in 1409 adult DM1 patients (\textgreater18y) from the DM-Scope nationwide registry and observed different patterns in males and females. Then, we assessed gender impact on social and economic domains using the AFM-Téléthon DM1 survey (n = 970), and morbidity and mortality using the French National Health Service Database (n = 3301). RESULTS: Men more frequently had (1) severe muscular disability with marked myotonia, muscle weakness, cardiac, and respiratory involvement; (2) developmental abnormalities with facial dysmorphism and cognitive impairment inferred from low educational levels and work in specialized environments; and (3) lonely life. Alternatively, women more frequently had cataracts, dysphagia, digestive tract dysfunction, incontinence, thyroid disorder and obesity. Most differences were out of proportion to those observed in the general population. Compared to women, males were more affected in their social and economic life. In addition, they were more frequently hospitalized for cardiac problems, and had a higher mortality rate.CONCLUSION: Gender is a previously unrecognized factor influencing DM1 clinical profile and severity of the disease, with worse socio-economic consequences of the disease and higher morbidity and mortality in males. Gender should be considered in the design of both stratified medical management and clinical trials

Published
2016

4. Neural networks underlying parietal lobe seizures: a quantified study from intracerebral recordings

Author

Martine Gavaret, Fabrice Wendling, Russell Hewett, Jean Régis, Fabrice Bartolomei, Patrick Chauvel, Luc Valton, Sandrine Aubert, Service de Neurophysiologie Clinique, Assistance Publique - Hôpitaux de Marseille (APHM)- Hôpital de la Timone [CHU - APHM] (TIMONE), Epilepsies, Lesions Cerebrales et Systemes Neuraux de la Cognition, Université de la Méditerranée - Aix-Marseille 2-Institut National de la Santé et de la Recherche Médicale (INSERM), Neurologie et Explorations Fonctionnelles du Système Nerveux [Toulouse], Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-CHU Toulouse [Toulouse]-Hôpital de Rangueil, CHU Toulouse [Toulouse], Laboratoire Traitement du Signal et de l'Image (LTSI), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), and Université de Rennes (UR)-Institut National de la Santé et de la Recherche Médicale (INSERM)

Subjects
Male, Unconsciousness, Electroencephalography, Functional Laterality, MESH: Magnetic Resonance Imaging, Epilepsy, 0302 clinical medicine, MESH: Child, Parietal Lobe, Epilepsy surgery, Child, Psychomotor Agitation, 0303 health sciences, MESH: Parietal Lobe, MESH: Middle Aged, medicine.diagnostic_test, Parietal lobe, MESH: Psychomotor Agitation, Middle Aged, MESH: Seizures, Magnetic Resonance Imaging, Neurology, Vestibular Diseases, MESH: Young Adult, MESH: Epilepsy, Cardiology, [SDV.IB]Life Sciences [q-bio]/Bioengineering, [SDV.NEU]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC], Female, Psychology, MESH: Vestibular Diseases, Algorithms, Adult, medicine.medical_specialty, Adolescent, SEEG, Posterior parietal cortex, MESH: Algorithms, Superior parietal lobule, MESH: Unconsciousness, Stereoelectroencephalography, 03 medical and health sciences, Young Adult, Seizures, Internal medicine, MESH: Electroencephalography, medicine, Humans, Partial epilepsy, Rapid discharge, MESH: Functional Laterality, 030304 developmental biology, MESH: Adolescent, MESH: Humans, Inferior parietal lobule, MESH: Adult, medicine.disease, MESH: Male, Epileptogenicity index, MESH: Nerve Net, Neurology (clinical), Nerve Net, Neuroscience, MESH: Female, 030217 neurology & neurosurgery
Abstract

International audience; In this study we have quantified the "epileptogenicity" of several brain regions in seizures originating in the posterior parietal cortex in 17 patients investigated by intracerebral recordings using stereotactic EEG (SEEG). Epileptogenicity of brain structures was quantified according to the "epileptogenicity index" (EI), a way to quantify rapid discharges at seizure onset. Seven patients had maximal epileptogenicity in the superior parietal lobule-BA area 7 (Gr1), 2 patients in the superior parietal lobule-area 5 (Gr2), 4 patients in inferior parietal lobule (Gr3) and 4 in the opercular region (Gr4). A large majority of patients (15/17 (88%)) reported to have at least one aura during the course of their disease. Somato-sensory manifestations were reported in the four groups. Vestibular disturbance was observed mainly in seizures from the superior parietal lobule (Gr1 and 2). Ipsilateral version was the most frequent objective manifestation (64%). Hyperkinetic behaviour (motor agitation) was found to be frequent, observed in 4/17 cases (23%) and observed in seizures from inferior parietal regions. In conclusion, the electrophysiological organization and the clinical manifestations of PLS are various and complex. The subjective manifestations are frequent and often suggestive, therefore must be actively sought.

Published
2010

5. Effects of two types of neuromuscular electrical stimulation training on vertical jump performance

Author

Clement Hazard, Thierry Paillard, Philippe Dupui, Nicolas Bernard, Frédéric Noé, Mouvement, Équilibre, Performance, Santé (MEPS), Université de Pau et des Pays de l'Adour (UPPA), Littoral, Environnement, Télédétection, Géomatique (LETG - Brest), Littoral, Environnement, Télédétection, Géomatique UMR 6554 (LETG), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-Université d'Angers (UA)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Brest (UBO)-Université de Rennes 2 (UR2), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Géographie et d'Aménagement Régional de l'Université de Nantes (IGARUN), Université de Nantes (UN)-Université de Nantes (UN)-Université de Caen Normandie (UNICAEN), Université de Nantes (UN)-Université de Nantes (UN), Neurologie et Explorations Fonctionnelles du Système Nerveux [Toulouse], Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-CHU Toulouse [Toulouse]-Hôpital de Rangueil, and CHU Toulouse [Toulouse]

Subjects
Adult, Male, medicine.medical_specialty, Adolescent, [SDV]Life Sciences [q-bio], Movement, Physical Therapy, Sports Therapy and Rehabilitation, Stimulation, 03 medical and health sciences, Vertical jump, 0302 clinical medicine, Physical medicine and rehabilitation, Medicine, Humans, Orthopedics and Sports Medicine, Muscle Strength, Muscle, Skeletal, ComputingMilieux_MISCELLANEOUS, Electric stimulation, business.industry, 030229 sport sciences, General Medicine, Muscle endurance, Quadriceps femoris muscle, Electric Stimulation, 3. Good health, Lower Extremity, Muscle power, Muscle strength, Physical Endurance, business, Training program, 030217 neurology & neurosurgery, Psychomotor Performance
Abstract

This study examined the effects of different types of neuromuscular electrical stimulation (NMES) programs on vertical jump performance. Twenty seven healthy trained male students in sports-sciences were recruited and randomized into three groups. The control group (C group, n = 8) did not perform NMES training. Two other groups underwent 3 training sessions a week over 5 weeks on the quadriceps femoris muscle [F group (n = 9): stimulation with an 80 Hz current for 15 min for improving muscle strength; E group (n = 10): stimulation with a 25 Hz current for 60 min for improving muscle endurance]. The height of the vertical jump was measured before NMES training (test 1), one week (test 2) and five weeks (test 3) after the end of the programs. The results showed that the height of the vertical jump significantly increased in both the F and E groups between tests 1 and 2 (5 cm and 3 cm respectively). Results of test 3 showed that both groups preserved their gains. A NMES training program destined to improve muscle endurance does not interfere on vertical jump performance. It can even durably enhance it in the same way as a NMES training program destined to improve muscle strength. Thus, to improve muscle endurance without deteriorating muscle power, sportsmen can use electrical stimulation.

Published
2008

6. False memories and recollection in patients with obstructive sleep apnea syndrome

Author

Agnes Daurat, Isabelle Etcheverry, Michel Tiberge, Patrice Terrier, Cognition, Langues, Langage, Ergonomie (CLLE-LTC), École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Toulouse - Jean Jaurès (UT2J)-Centre National de la Recherche Scientifique (CNRS), Neurologie et Explorations Fonctionnelles du Système Nerveux [Toulouse], Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-CHU Toulouse [Toulouse], Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-CHU Toulouse [Toulouse]-Hôpital de Rangueil, and CHU Toulouse [Toulouse]

Subjects
[SCCO.NEUR]Cognitive science/Neuroscience, [SHS.PSY]Humanities and Social Sciences/Psychology, ComputingMilieux_MISCELLANEOUS
Abstract

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