Activity and asymmetry index of masticatory muscles in women with and without dysfunction temporomandibular.

Purpose: [corrected] Compare the symmetry of the activity and masticatory muscles in individuals with TMD and asymptomatic.

Methods: The study included 50 women, while 31 had temporomandibular disorders (TMD) and 19 were asymptomatic (control group), aged between 19 and 40 years. The volunteers were subjected to clinical examination of the diagnostic criteria in research with TMD (RDC/TMD) with the aim of diagnosing volunteers with or without TMD, and evaluate the electromyographic activity of the right temporalis muscle (TR) and left (TL), right masseter (MR) and left (ML), in situations of rest, isometric contraction of the muscles of the jaw elevators.

Phagocytic responses of peritoneal macrophages and neutrophils are different in rats following prolonged exercise.

Objective: To analyze the effects of exhausting long-duration physical exercise (swimming) sessions of different durations and intensities on the number and phagocytic capacity of macrophages and neutrophils in sedentary rats.

Introduction: Exercise intensity, duration and frequency are important factors in determining immune response to physical effort. Thus, the effects of exhausting long-duration exercise are unclear.

Assessment of Subjective Perceived Exertion at the Anaerobic Threshold with the Borg CR-10 Scale.

The purpose of this study was to evaluate the anaerobic threshold (AT) with a graphic visual method for estimating the intensity of ventilatory and metabolic exertion and to determine the ratings of perceived exertion (RPE) on the Borg CR-10 scale during a continuous ramp type exercise test (CT-R). Forty healthy, physically active and sedentary young women (age 23.1 ± 3.

Activation pattern masticatory muscles in dysphonics woman.

Purpose: To evaluate the pattern of activation of the masticatory muscles in dysphonic women.

Methods: Seventeen women was divided into two groups: experimental group with 10 dysphonic women (33.6 +/- 8.

The influence of motor impairment on autonomic heart rate modulation among children with cerebral palsy.

The study of heart rate variability is an important tool for a noninvasive evaluation of the neurocardiac integrity. The present study aims to evaluate the autonomic heart rate modulation in supine and standing positions in 12 children diagnosed with cerebral palsy and 16 children with typical motor development (control group), as well as to relate the level of motor impairment in children with cerebral palsy, as classified by to the Gross Motor Function Classification System, to the heart rate variability indices. The heart rate variability was analyzed by linear model in the frequency domain, at low and high frequency bands in normalized units and low and high frequency ratio.

Effect of oat bran on time to exhaustion, glycogen content and serum cytokine profile following exhaustive exercise.

The aim of this study was to evaluate the effect of oat bran supplementation on time to exhaustion, glycogen stores and cytokines in rats submitted to training. The animals were divided into 3 groups: sedentary control group (C), an exercise group that received a control chow (EX) and an exercise group that received a chow supplemented with oat bran (EX-O). Exercised groups were submitted to an eight weeks swimming training protocol.

High voltage electrical stimulation as an alternative treatment for chronic ulcers of the lower limbs.

High voltage electrical stimulation has been recommended as a means of accelerating the wound healing process. The effects of high voltage electrical stimulation were evaluated in the treatment of three volunteers with chronic ulcers of the lower limbs. After fifteen weeks of treatment, a reduction was found in the area of all the ulcers, suggesting that high voltage electric stimulation is an effective therapeutic option for chronic ulcers.

Influence of visual feedback on pelvic floor muscle strength.

Objective: The objective of this study is to evaluate the visual feedback influence on pelvic floor muscle contraction.

Study Design: Seventeen nulliparous, urinary-continent women participated in this study. Pelvic floor muscle strength with and without the use of visual feedback was measured with a dynamometric speculum in two directions (anteroposterior and left-right).

Effect of treatment with HVES on pain and electromyography activity in patients with TMD.

Purpose: The aim of this study was to verify the effect of HVES on pain and electromyographic activity of the masticatory muscles in TMD patients, as well as assess the effect of this treatment on the severity of TMD.

Methods: Participated in this study 12 women with TMD that underwent electromyographic exam of the masticatory muscles, and responded to the FAI, RDC/TMD and VAS.

Results: After treatment, by the VAS a significant reduction in the intensity of pain it was verified; in the EMG that at rest and during isometric contraction of the mandibular depressor muscles there was a significant reduction in the RMS values; in voluntary contraction during maximal intercuspidation, a significant increase was observed in the values of RMS for the MD and ME muscles.

The effect of chemical therapy with bleomycin sulfate on the functional parameters of the endocrine pancreas.

Objective: The objective of the present study was to evaluate the effect of bleomycin sulfate on parameters related to the functionality of pancreatic tissue, with emphasis on the glucose tolerance test, insulin tolerance test, insulinemia and static secretion of insulin as well as the insulin receptor, and PKA, PKC and GLUT2 concentrations in the pancreatic islets.

Design: Twenty-four male rats were divided into 2 groups: control and treated with bleomycin (2.5 mg/kg, intratracheal mode).

Silicone-ring Roux-en-Y gastric bypass in the treatment of obesity: effects of laparoscopic versus laparotomic surgery on respiration.

Background: The objective of this study was to compare the effects of silicone-ring Roux-en-Y gastric bypass carried out by laparoscopy versus that accomplished by laparotomy on pulmonary function.

Methods: A total of 26 women (body mass index (BMI) 35-49 kg/m(2)) were studied candidates for silicone-ring Roux-en-Y gastric bypass carried out by laparoscopy (LG; n = 13) and laparotomy (or open surgery (OG); n = 13). Smokers, patients having lung disease, and those unable to carry out the tests properly were excluded.

Lymphocyte and cytokines after short periods of exercise.

The purpose of this study was to verify the effects of short periods of exercise of different intensity on lymphocyte function and cytokines. Thirty Wistar rats, 2 months old, were used. They were divided into five groups of six rats: a sedentary control group; a group exercised for 5 minutes at low intensity (5 L); a group exercised for 15 minutes at low intensity (15 L); and groups exercised at moderate intensity (additional load of 5 % of body weight) for 5 minutes (5 M) or for 15 minutes (15 M).

Comparison of the electromyographic variables at different muscle lengths and contraction intensities.

Thirty-three (33) healthy volunteers (2.29 +/- 2.4 years) participated.

Exercise Induced Alterations in Rat Monocyte Number, Morphology, and Function.

The purpose of this study was to verify the histophysiological alterations in monocytes and macrophages induced by short periods of exercise. Male Wistar rats (age = 2 months, body weight = 200g) were divided into seven groups (N = 6 each): sedentary control (C), groups exercised (swimming) at low intensity for 5 (5L), 10 (10L), and 15 minutes (15L), and groups exercised at moderate intensity for 5 (5M), 10 (10M) or 15 minutes (15M). At moderate intensity the animals carried a load of 5% of body weight on their backs.

Treatment effects of headgear biteplane and bionator appliances.

Introduction: The purpose of this investigation was to evaluate the dentoalveolar and skeletal cephalometric changes produced by headgear (HG) biteplane and bionator appliances in subjects with Class II Division 1 malocclusion.

Methods: The sample comprised 60 patients with Class II Division 1 malocclusion; 30 (15 boys, 15 girls; mean age, 10.02 years) were treated with the HG biteplane for a mean period of 1.

Influence of different stimuli on electromyographic variables of the biceps brachii.

The objective of this study was to assess the influence of different stimuli on the muscular response of 30 young sedentary male and female subjects. A conditioning module with A/D 16/32 signals of 12 bits (LYNX), with band-pass filter of 10-500 Hz and sampling frequency of 1000 Hz was used. A bipolar active surface electrode (LYNX), a load cell (MM-100 KRATOS) and a pressure cuff were also used.

Proposal for electrical insulation of the electromyographic signal acquisition module.

The aim was to analyze the inteiference in a signal acquisition module (SAM) EMG1000 (Lynx--10(9) Ohms, 16 bits and range of +/-1 V), with active surface electrode (Lynx--gain 20, IRMC > 100 dB) placed over the belly of the brachial biceps of 18 healthy, sedentary volunteers, without osteomyoarticular pathologies in the upper members. Initially, the intrinsic noise of the SAM was assessed by means of a short-circuit between the simple differential and the reference electrodes, and a second stage consisted of collecting the electromyographic signal at rest of the brachial biceps muscle in 4 different procedures. (1) SAM and desktop in the electrical network (EN); (2) SAM in the battery and desktop in the EN; (3) SAM in the EN and desktop connected to the fibre optic (FO) and (4) SAM in the battery and desktop in the FO.

Evaluation of the ultrasound influence in the cutaneous penetration of d-panthenol: test in vitro.

Background: d-panthenol is a popular additive in cosmetic and pharmaceutical preparations. However, in order for this vitamin to provide skin benefits, it must penetrate the stratum corneum.

Objective: To verify the penetrability of d-panthenol in the skin and evaluate the effect of ultrasound on the cutaneous penetration of this vitamin.

Influence of noninvasive ventilation by BiPAP on exercise tolerance and respiratory muscle strength in chronic obstructive pulmonary disease patients (COPD).

This study aimed to assess the effect of BiPAP, by nasal mask, on exercise tolerance and respiratory muscle strength in patients with a clinical and spirometric diagnosis of moderate/severe COPD (FEV1 < 60% of predicted). Ten patients of 59.4+/-8.

Panoramic evaluation of mesiodistal axial inclinations of maxillary anterior teeth in orthodontically treated subjects.

Introduction: The objectives of this study were to evaluate, through panoramic radiographs, the mesiodistal axial inclinations of the maxillary anterior teeth at the beginning and end of nonextraction orthodontic treatment, and to compare the results with the mesiodistal axial inclinations of a control sample with normal (acceptable) occlusions.

Methods: The experimental sample consisted of 40 white patients (20 male, 20 female; mean age, 14 years) with Class I maloccusions who were treated orthodontically with a standard edgewise (not preadjusted) technique without extractions. The mean treatment period was 1.

Effect of conventional TENS on pain and electromyographic activity of masticatory muscles in TMD patients.

Temporomandibular disorders (TMD) are characterized by several signs and symptoms, such as pain and changes in the electrical activity of masticatory muscles. Considering that transcutaneous electrical nerve stimulation (TENS) is a resource indicated to promote analgesia, the objective of this study was to evaluate the effect of TENS on pain and electromyographic (EMG) activity of the jaw elevator muscles in TMD patients. This study evaluated 35 female volunteers: 19 TMD patients (mean age = 23.

Requirement for glutamine in the expression of alpha-actin and type IV collagen in mesangial cells.

The importance of glutamine for the synthesis of proteins of the extracellular matrix was investigated in cultured mesangial cells. Glutamine at 2 mM elicited an increase in smooth muscle cell alpha-actin, alpha(1)-type IV collagen and fibronectin transcripts (19.0-, 16.

Comparative effects of eicosapentaenoic acid and docosahexaenoic acid on proliferation, cytokine production, and pleiotropic gene expression in Jurkat cells.

Comparative effects of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) acid on Jurkat T cells were investigated. The following parameters were evaluated: concanavalin A (Con A) induced proliferation, production of interleukin-2 (IL-2), IL-4, IL-10, and interferon-gamma (INF-gamma), and expression of pleiotropic genes by macroarray technique (83 genes in total). DHA inhibiting effect on Con A-induced proliferation was more pronounced than that of EPA.

Glucose and glutamine utilization by rat lymphocytes, monocytes and neutrophils in culture: a comparative study.

Glucose and glutamine utilization and production of glutamate and lactate were determined for up to 48 h in lymphocytes, monocytes and neutrophils cultured in medium rich in metabolites and vitamins. Glucose was utilized by the three cell types in culture in the following order: neutrophils > monocytes > lymphocytes, whereas lactate was produced in the order: monocytes > neutrophils > lymphocytes. The consumption of glucose followed the activity of glucose-6-phosphate dehydrogenase but it was not related to hexokinase activity.

Genes regulated by arachidonic and oleic acids in Raji cells.

FA are known to modulate immune function in conditions such as arthritis and lupus erythematosus. The effects of arachidonic (AA) and oleic acids (OA) on function and pleiotropic gene expression of Raji cells were investigated. The following parameters were evaluated: cytotoxicity as assessed by loss of membrane integrity and DNA fragmentation; proliferation as measured by [14C]thymidine incorporation; production of interleukin (IL)-10, interferon (INF)-gamma, and tumor necrosis factor (TNF)-alpha; and expression of pleiotropic genes by a macroarray technique (83 genes in total).