Photobiomodulation with laser and led on mesenchymal stem cells viability and wound closure in vitro.

Mesenchymal stem cells can differentiate into specific cell lineages in the tissue repair process. Photobiomodulation with laser and LED is used to treat several comorbidities, can interfere in cell proliferation and viability, in addition to promoting responses related to the physical parameters adopted. Evaluate and compare the effects of laser and LED on mesenchymal cells, with different energy doses and different wavelengths, in addition to viability and wound closure.

Influence of Different Photobiomodulation Parameters on Multi-Potent Adipose Tissue Mesenchymal Cells .

Investigating the effect of different parameters of photobiomodulation (PBM) with low-power laser on multi-potent mesenchymal stem cells (MSCs) derived from adipose tissue in terms of proliferation and cell death. MSCs were submitted to PBM applications with combinations of the following physical parameters: control group (no intervention), wavelengths of 660 and 830 nm; energy of 0.5, 2, and 4 J; and power of 40 and 100 mW.

In vivo attenuation profile of 660 nm and 830 nm wavelengths on human elbow skin and calcaneus tendon of different phototypes.

Physical factors and tissue characteristics determine the transmission of light through tissues. One of the significant clinical limitations of photobiomodulation is the quantification of fluence delivered at application sites and optical penetration depth in vivo. There is also the difficulty of determining the distances of the application points to cover a uniformly irradiated area.

Influence of photobiomodulation therapy on the physical performance of women during the follicular phase of the menstrual cycle: A double-blind Sham-controlled randomized clinical trial.

To evaluate the effects of photobiomodulation on the physical performance of healthy women, considering the menstrual cycle. 27 physically active healthy women (age 25.68 ± 3.

Effects of the Anchor System on Postural Balance of Women Undergoing Breast Cancer Treatment: A Clinical, Randomized, Controlled, and Crossover Trial.

Objective: Investigate the effects of multisensory training with and without the anchor system on breast cancer survivors' postural balance and self-efficacy of falls.

Design: Clinical randomized, controlled, and crossover trial.

Setting: Teaching, Research, and Assistance Center in Mastectomized Rehabilitation.

Intrareliability and Interreliability of Low-Cost Devices to Measure Skin Tone, Moisture, and Oiliness.

Objective: To evaluate the intraexaminer and interexaminer reliability of low-cost commercial devices to measure skin tone, moisture, and oiliness; determine associations with the Fitzpatrick Scale; and compare results with those of widely used commercial equipment.

Methods: Researchers bilaterally collected a total of 36 samples from 18 participants. For data acquisition, two experienced raters were considered for skin index assessment.

Segmental bioelectrical impedance analysis can detect differences between the affected and non-affected limbs in individuals with hip osteoarthritis.

Objective: To analyze the bioelectrical impedance parameters of the lower limbs of individuals with hip osteoarthritis and healthy individuals.

Design: Cross-sectional study.

Setting: The study was carried out at the Hip Surgery Outpatient Clinic.

Optical Properties of Human Skin Phototypes and Their Correlation with Individual Angle Typology.

This study aims to correlate human skin phototypes with complete optical characterization (absorption, scattering, effective attenuation, optical penetration, and albedo coefficients) based on individual typology angle (ITA) values and colorimetric parameters. A colorimeter was used to group 12, fresh, human skin samples according to their phototype; the CIELAB color scale and ITA values were employed. An integrating sphere system and the inverse adding-doubling algorithm were applied during optical characterization, conducted from 500 to 1300 nm.

Interaction predictors of self-perception menstrual symptoms and influence of the menstrual cycle on physical performance of physically active women.

Objective: To analyze the physical performance, self-perception menstrual symptoms, of physically active eumenorrheic women with endogenous ovarian cycle in two phases of the menstrual cycle.

Methods: Twenty-six women participated in the study (age 25.8 ± 3.

Inhibition of bacterial growth through LED (light-emitting diode) 465 and 630 nm: in vitro.

Photobiomodulation has been used to inactivate bacterial growth, in different laser or LED protocols. Thus, the aim of this study was to verify the inhibition of Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli, in ATCC strains and bacteria collected from patients with skin burns, after irradiation with LED; 300 μl of saline solution with bacterial suspension was irradiated at a concentration of 0.5-0.

Does sensorimotor training influence neuromuscular responses, balance, and quality of life in diabetics without a history of diabetic distal polyneuropathy?

Objective: To evaluate the effect of supervised and home sensorimotor training on static postural balance (SPB), quality of life (QL), and neuromuscular responses of Type 2 Diabetics (DM-2).

Design: Randomized controlled blind study with DM-2 patients, between 45 and 64 years old, of both sexes, divided into 3 groups: Control Group - CG (n = 27), Home Training Group - HTG (n = 27), and Supervised Training Group - STG (n = 26). The subjects were evaluated before and at the end of 3 months of treatment, with a four-week follow-up.

Acute application of photobiomodulation does not bring important gains for the muscular performance and functionality of diabetic individuals.

Photobiomodulation therapy (PBMT) has been used to improve the physical performance of individuals with advanced age; however, there are no studies in the literature that support the application of light-emitting diode (LED) therapy for the muscular performance of individuals with diabetes mellitus who show a decline in functionality. The aim of the study was to analyze the acute effects of PBMT on strength and functional performance in type 2 diabetic individuals. Sixty-three volunteers were recruited and randomized into five groups: control (C), sham (S), red LED (R), infrared LED (IR), and red LED + infrared LED (R + IR).

Photobiomodulation in Sciatic Nerve Crush Injuries in Rodents: A Systematic Review of the Literature and Perspectives for Clinical Treatment.

The aim of the study was to perform a literature review to analyze the effect of photobiomodulation in experimental studies on peripheral nerve regeneration after sciatic nerve crush injury in rodents. A bibliographic search was performed in the electronic databases, including MEDLINE (PubMed), SCOPUS, and SciELO, from 2008 to 2018. A total of 1912 articles were identified in the search, and only 19 fulfilled all the inclusion criteria.

Thermographic Characterization of Cutaneous Ulcers of Different Etiologies.

The characterization of the temperature of skin ulcers may provide preliminary diagnostic evidence. The aim of this study was to characterize cutaneous ulcers of different etiologies by infrared thermography. 122 cutaneous ulcers of 87 patients (age 60.

Measurement of Physical Parameters and Development of a Light Emitting Diodes Device for Therapeutic Use.

Effectiveness of light-emitting diode (LED) in biological tissue is due to the correct application of physical parameters. However, most studies found do not provide complete information on the physical characteristics of the diodes. It is necessary to carefully evaluate the diode parameters so that the results of research with this feature can be reproduced.

Photobiomodulation by light emitting diode applied sequentially does not alter performance in cycling athletes.

Analyze the effects of sequential application of photobiomodulation therapy (PBMT) at different wavelengths on the performance of cycling athletes. Cyclists (48 male, mean age 33.77 years) underwent a performance evaluation through an incremental test, VO2max, blood lactate analysis, perception of effort, infrared thermography, and isokinetic evaluations.

Effects of transcutaneous electrical nervous stimulation (TENS) associated with vocal therapy on musculoskeletal pain of women with behavioral dysphonia: A randomized, placebo-controlled double-blind clinical trial.

Unlabelled: Recently, electrical stimulation in vocal rehabilitation has been the subject of studies. This treatment has shown promising results regarding the decrease of vocal/laryngeal symptoms, pain and the improvement of vocal tension. In addition to decreasing pain symptoms, TENS treatments may lead to muscle relaxation.

Location of Reference Electrode Does Not Interfere on Electromyographic Parameters in the Domains of Time and Frequency.

There is currently little information on the positioning of reference electrode (RE). It is generally accepted that it must be positioned on electrically neutral tissues, such as tendons or bony prominences. The objective of this study is to analyze the characteristics of the electromyographic signal (EMG) for different positions of RE as well as at different levels of muscle contraction.

Analysis of chronic myofascial pain in the upper trapezius muscle of breast cancer survivors and women with neck pain.

Myofascial trigger points are present in dysfunctioning muscles and are associated with several diseases. However, the scientific literature has not established whether myofascial trigger points of differing etiologies have the same clinical characteristics. Thus, the objective of the present study was to compare the intensity of myofascial pain, catastrophizing, and the pressure pain threshold at myofascial trigger points among breast cancer survivors and women with neck pain.

Correlation Between Skin Temperature Over Myofascial Trigger Points in the Upper Trapezius Muscle and Range of Motion, Electromyographic Activity, and Pain in Chronic Neck Pain Patients.

Objective: The purpose of this study was to assess the correlation between skin temperature over a myofascial trigger point in the upper trapezius muscle and range of motion of the cervical spine, electromyographic activity, and pain in patients with chronic neck pain.

Methods: This is a single-blind cross-sectional study. Forty participants of both sexes, aged 18 to 45 years, with chronic neck pain and myofascial trigger points in the upper trapezius muscle were included in the study.

Electrical impedance of the torso is associated with the pressure pain threshold on myofascial trigger points in patients with chronic neck pain: A cross-sectional study.

Background: Myofascial trigger points are dysfunctional structures present in skeletal muscles and are related to sensory, motor, and autonomic changes. Despite scientific advances in recent decades in the measurement of musculoskeletal pain, evaluation of this clinical phenomenon is supported with instruments that, although valid and reliable, have a considerable degree of subjectivity.

Objective: To correlate electrical impedance of the upper limbs and torso with pain intensity, functional capacity, catastrophizing, pressure pain threshold, and skin temperature on myofascial trigger points in the upper trapezius muscle of patients with neck pain.

Alteration of Blood Circulation in the Upper Limb Before and After Surgery for Breast Cancer Associated with Axillary Lymph Node Dissection or Sentinel Lymph Node Biopsy.

Background: This aim of this study was to assess and compare arterial and venous circulation in women with axillary lymph node dissection (ALND) and sentinel lymph node biopsy (SLNB) before and after breast cancer surgery.

Methods And Results: Fifty-two women took part in the study, divided into three groups: those undergoing ALND at levels I, II, and III (ALNDG), with mean age of 56.29 ± 10.

Reduction in handgrip strength and electromyographic activity in women with breast cancer.

Background: Breast cancer survivors have side effects from surgical treatment and adjuvant that may acutely or chronically compromise the musculoskeletal system, resulting in loss of muscle strength.

Objective: Handgrip strength and electromyography of the upper limbs and its relationship with dominance in women submitted to surgery for breast cancer.

Methods: Were evaluated 28 women.

Reliability of skin impedance in subjects with chronic neck pain.

Background: Skin impedance is a biological signal that has been employed in the measurement of pain. However, there are few scientific data on skin impedance, with a great variety of assessment methods and controversial results.

Objective: To examine the intra- and inter-rater reliability of skin impedance measurement in individuals with chronic neck pain.

Analysis of peak plantar pressure and center of pressure oscillation in individuals with chronic neck pain: A cross-sectional study.

Background: Baropodometric evaluation has been used in research and clinical environments by professionals who are working on the physical rehabilitation of patients. However, to date, there is no published data on the use of baropodometry in patients with chronic neck pain.

Objective: To analyze peak plantar pressure and center of pressure oscillation in individuals with chronic neck pain compared to a control group.