Search results for " Threshold"
showing 10 items of 497 documents
Factores relacionados con el estilo de vida y la condición física que se asocian al IMC en función del género en preadolescentes españoles
2020
Resumen La obesidad se ha convertido en uno de los problemas de salud más graves de la sociedad y se relaciona con multitud de afecciones y complicaciones en la pubertad. Mediante este estudio descriptivo, transversal y poblacional se pretende, en primer lugar, conocer las diferencias entre las variables del estilo de vida y la condición física de cada género y, en segundo lugar, conocer los determinantes relacionados con el estilo de vida y la condición física en una población española de 10 a 12 años de edad con nivel socioeconómico medio. Las variables analizadas fueron el IMC, las variables de condición física (agilidad, flexibilidad y capacidad cardiorrespiratoria) y las variables de l…
Associations of age, body size, and maturation with physical activity intensity in different laboratory tasks in children.
2021
We investigated the associations of age, sex, body size, body composition, and maturity with measures of physical activity (PA) intensity in children. PA intensity was assessed using VO2 as % of VO...
Changes in intracortical circuits of the human motor cortex following theta burst stimulation of the lateral cerebellum
2008
Objective: The cerebellum takes part in several motor functions through its influence on the motor cortex (M1). Here, we applied the theta burst stimulation (TBS) protocol, a novel form of repetitive Transcranial Magnetic Stimulation (rTMS) over the lateral cerebellum. The aim of this study was to test whether TBS of the lateral cerebellum could be able to modulate the excitability of the contralateral M1 in healthy subjects. Methods: Motor-evoked potentials (MEPs) amplitude, short intracortical inhibition (SICI), long intracortical inhibition (LICI) and short intracortical facilitation (SICF) were tested in the M1 before and after cerebellar continuous TBS (cTBS) or intermittent TBS (iTBS)…
Cardiovascular fitness in youth: association with obesity and metabolic abnormalities
2014
[ES] Las terapias que se implantan actualmente para la obesidad se centran en los aspectos nutricionales y sobre la actividad física. Con el fin de hacer que la actividad física sea una terapia positiva en vez de un desencadenador de discapacidades, es relevante evaluar de forma precisa el entrenamiento cardiovascular. Objetivo: evaluar el entrenamiento cardiovascular midiendo el consumo máximo de oxígeno y evaluar su relación con los parámetros cardiometabólicos clásicos. Métodos: se aplicó el protocolo modificado de Balke a 126 individuos caucásicos (60 % de varones), con edades entre 9 y 16 años, que se sometieron a una evaluación de obesidad. El grupo de no obesos consistía de individuo…
Integration of acoustical information in the perception of impacted sound sources. The role of information accuracy and exploitability.
2010
Sound sources are perceived by integrating information from multiple acoustical features. The factors influencing the integration of information are largely unknown. We measured how the perceptual weighting of different features varies with the accuracy of information and with a listener’s ability to exploit it. Participants judged the hardness of two objects whose interaction generates an impact sound: a hammer and a sounding object. In a first discrimination experiment, trained listeners focused on the most accurate information, although with greater difficulty when perceiving the hammer. We inferred a limited exploitability for the most accurate hammer-hardness information. In a second r…
The influence of local capsaicin treatment on small nerve fibre function and neurovascular control in symptomatic diabetic neuropathy.
2002
Topical treatment with capsaicin cream has been shown to be successful in the treatment of different symptomatic nerve disorders like diabetic neuropathy. Conflicting data exist on the effect of capsaicin on nerve function and neurovascular control especially in patients with diabetic neuropathy. The aim of this pilot study was to investigate the impact of topical capsaicin application on small nerve fibre function and neurovascular control. Capsaicin cream was applied to the feet of 13 patients with symptomatic diabetic neuropathy over a period of 8 weeks. Before and during the treatment period, we investigated the total symptoms score, the vibration, thermal (heat and cold) and pain perce…
Cerebral blood flow autoregulation during hypobaric hypotension assessed by laser Doppler scanning.
1994
Hypobaric hypotension was used to reduce systemic blood pressure in rats below the lower threshold of CBF autoregulation to evaluate a new laser Doppler (LD) “scanning” technique. Spontaneously breathing male Wistar Kyoto rats (n = 8) were anesthetized with chloral hydrate and the head fixed in a stereotaxic head holder. A cranial window with intact dura mater was introduced to assess local CBF (lCBF) by LD. One stationary probe served to detect rapid flow changes, whereas the second probe was used to sample lCBF recordings from many cortical locations by means of a stepping motor-controlled micromanipulator to obtain lCBF frequency histograms. Advantages are an improved spatial resolution…
Taste loss in hospitalized multimorbid elderly subjects
2013
ED Toffanello,1 EM Inelmen,1 A Imoscopi,1 E Perissinotto,2 A Coin,1 F Miotto,1 LM Donini,3 D Cucinotta,4 M Barbagallo,5 E Manzato,1 G Sergi11Department of Medical and Surgical Sciences, Geriatrics Division and University of Padova, Padova, 2Department of Environmental Medicine and Public Health, University of Padua, Padua, Italy; 3Department of Medical Physiopathology (Food Science Section), University of Roma, La Sapienza, Roma, 4S Orsola Malpighi Hospital, Bologna, 5Geriatric Unit, Department of Internal Medicine and Emerging Diseases, University of Palermo, Palermo, ItalyBackground: Loss of the sense of taste is common among older people. Morbidities and polypharmacy may contribute to th…
Gentamicin alters Akt-expression and its activation in the guinea pig cochlea
2015
Gentamicin treatment induces hair cell death or survival in the inner ear. Besides the well-known toxic effects, the phosphatidylinositol-3 kinase/Akt (PI3K/Akt) pathway was found to be involved in cell protection. After gentamicin application, the spatiotemporal expression patterns of Akt and its activated form (p-Akt) were determined in male guinea pigs. A single dose of 0.1 mL gentamicin (4 mg/ear/animal) was intratympanically injected. The auditory brainstem responses (ABRs) were recorded prior to application and 1, 2 and 7 days afterward. At these three time points the cochleae (n=10 in each case) were removed, transferred to fixative and embedded in paraffin. Seven ears were used as u…
Benefit of hearing aid use in the elderly: the impact of age, cognition and hearing impairment
2018
Il beneficio protesico e il ruolo delle abilità cognitive, dell’età e del deficit uditivo nel paziente anziano.Questo studio analizza il beneficio protesico in un campione di soggetti anziani (n = 102, età media 81,1 anni), indagando il ruolo svolto dall’età, dal deficit uditivo e dalle abilità cognitive. Il beneficio protesico è stato valutato sia come miglioramento delle caratteristiche audiometriche con protesi (in termini di soglie tonali e soglie di percezione del parlato in quiete e nel rumore) sia come diminuzione della percezione della disabilità e dell’handicap dovuti alla ipoacusia. Sono state valutate diverse abilità cognitive, tra cui la memoria a breve termine, le funzioni esec…