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Adriana Paula da Silva, Taciana Carla Maia Feilbelmann, Daniela Cristina Silva, Heloisa Marcelina Cunha Palhares, Lúcia Marina Scatena, Elisabete Aparecida Mantovani Rodrigues de Resende, Maria de Fátima Borges
OBJECTIVES: The objective of this study was to describe the prevalence of overweight and obesity in school children and adolescents in a medium-sized Brazilian city. METHODS: In total, 1,125 children and adolescents between the ages of 5.6 and 18 years from public and private schools participated in the study. The sample included 681 girls and 444 boys. Each subject's weight and height were obtained according to Brazilian guidelines (SISVAN). The triceps (TSF), subscapular (SSF), biceps, suprailiac, femoral and calf skinfolds were measured in triplicate...
November 29, 2018: Clinics
Michael H Gerber, Patrick W Underwood, Sarah M Judge, Daniel Delitto, Andrea E Delitto, Rachel L Nosacka, Bayli B DiVita, Ryan M Thomas, Jennifer B Permuth, Steven J Hughes, Shannon M Wallet, Andrew R Judge, Jose G Trevino
Cancer cachexia is a debilitating condition seen frequently in patients with pancreatic ductal adenocarcinoma (PDAC). The underlying mechanisms driving cancer cachexia are not fully understood but are related, at least in part, to the immune response to the tumor both locally and systemically. We hypothesize that there are unique differences in cytokine levels in the tumor microenvironment and systemic circulation between PDAC tumors and that these varying profiles affect the degree of cancer cachexia observed...
December 1, 2018: International Journal of Molecular Sciences
Ehsan Garosi, Adel Mazloumi, Reza Kalantari, Zahra Vahedi, Zahra Shirzhiyan
Nursing is a physically demanding job characterized by a high prevalence of fatigue and musculoskeletal disorders. One of the high-exertion and repetitive nursing tasks is the manual connection of an infusion set to a medical fluid bottle. Such physical work can be eased by the design of new hand tools. Correspondingly, this study designed and ergonomically assessed an infusion set connector tool (ISCT) and compared it with that of manual connection. First, a prototype of ISCT was designed to perform infusion set connecting task in the mechanical form...
February 2019: Applied Ergonomics
Guillermo Sanchez-Delgado, Borja Martinez-Tellez, Yolanda Garcia-Rivero, Juan M A Alcantara, Francisco M Acosta, Francisco J Amaro-Gahete, Jose M Llamas-Elvira, Jonatan R Ruiz
Cold induced thermogenesis (CIT) in humans results mainly from the combination of both brown adipose tissue (BAT) and skeletal muscle thermogenic activity. The relative contribution of both tissues to CIT and to cold induced nutrient oxidation rates (CI-NUTox) remains, however, to be elucidated. We investigated the association of BAT and skeletal muscle activity after a personalized cold exposure with CIT and CI-NUTox in 57 healthy adults (23.0 ± 2.4 years old; 25.1 ± 4.6 kg/m2 ; 35 women). BAT and skeletal muscle (paracervical, sternocleidomastoid, scalene, longus colli, trapezius, parathoracic, supraspinatus, subscapular, deltoid, pectoralis major, and triceps brachii) metabolic activity were assessed by means of a 18 Fluorodeoxyglucose positron emission tomography-computed tomography scan preceded by a personalized cold exposure...
2018: Frontiers in Physiology
Nathan E Thompson, Danielle Rubinstein, Susan G Larson
Great apes exhibit a suite of morphological traits of the shoulder and upper thorax that have traditionally been linked to orthograde arborealism. Recently it has been proposed that these traits are instead adaptations for knuckle-walking, and more broadly, that knuckle-walking itself is an adaptation for shock absorption during terrestriality. Here we test several tenets of these hypotheses using kinematic and kinetic data from chimpanzees and macaques, and electromyographic data of shoulder muscle activity in chimpanzees...
December 2018: Journal of Human Evolution
Andrea S Bauer, Remy V Rabinovich, Peter M Waters
Nerve transfers are an increasingly popular method for surgical treatment of nerve injuries. One of the most popular of these is the transfer of radial nerve triceps fascicles to the axillary nerve. The most common approach for this transfer is the posterior approach, which gives excellent access to both nerves but is not easy to combine with other nerve transfers. We describe here an alternative, the anterior approach, that offers safe access to both radial and axillary nerves and has the added advantage of compatibility with approaches for other common nerve transfers...
November 27, 2018: Journal of Hand Surgery
Carla Pérez-Chirinos Buxadé, Toni Solà-Perez, Jorge Castizo-Olier, Marta Carrasco-Marginet, Alex Roy, Michael Marfell-Jones, Alfredo Irurtia
PURPOSE: This study compared subcutaneous adipose tissue (SAT) measurements using a skinfold caliper and Renco Lean-Meater Series 12 A-mode portable ultrasound scanner (A-US). It aimed to assess their inter- and intra-rater reliability and measure the agreement between both methods. METHODS: Eighty-four volunteers of different fitness levels were divided into three groups by Ʃ6 skinfolds: G1 ≤ 55 mm (n = 33 males); G2 > 55 mm (n = 32 males); G3 = 98.0 ± 52...
2018: PloS One
Matheus Barbalho, Victor Silveira Coswig, Rodolfo Raiol, James Steele, James Fisher, Antonio Paoli, Paulo Gentil
BACKGROUND: The present study's aim was to compare the changes in muscle performance and anthropometric measures in trained women performing RT programs composed only of MJ exercises or programmes that involve the addition of SJ exercises. METHODS: Seventeen trained women were randomised to MJ or MJ+SJ. Both groups performed the same MJ exercises following a nonlinear periodisation model for 8 weeks. The only difference was that the MJ+SJ group also performed SJ exercises...
November 28, 2018: Sports
David Edelman, Asif M Ilyas
Triceps tendon ruptures are uncommon injuries, but they typically require surgical repair. Multiple primary repair techniques are available, including transosseous, suture anchor, and anatomic repairs. The technique described here, the "suture bridge" repair, provides an anatomic repair of the distal triceps tendon to its footprint. It has the potential advantages of increased load to failure, better footprint coverage, higher load resistance, and allows for early motion.
December 2018: Journal of Hand and Microsurgery
Prashant Nashiket Chaware, John Ashutosh Santoshi, Manmohan Patel, Mohtashim Ahmad, Bertha A D Rathinam
The innervation pattern of triceps is complex and not fully comprehended. Anomalous innervations of triceps have been described by various authors. We have attempted to delineate the nerve supply of the triceps and documented the anomalous innervations of its different heads. The brachial plexus and its major branches (in the region of the axilla and arm) and triceps were dissected in 36 embalmed cadaver upper limbs. Long head received one branch from radial nerve in 31 (86%) specimens. Four (11%) specimens received two branches including one that had dual innervation from the radial and axillary nerves, and one (3%) specimen had exclusive innervation from a branch of the axillary nerve...
December 2018: Journal of Hand and Microsurgery
C Jiménez-Sánchez, M Ortiz-Lucas, E Bravo-Esteban, O Mayoral-Del Moral, P Herrero-Gállego, J Gómez-Soriano
OBJECTIVE: Several diagnostic methods have been used in the identification of mechanical properties of skeletal muscle, including myofascial trigger points (MTrPs), however, they are not suitable for daily clinical use. Myotonometry offers an easy noninvasive alternative to assess these muscle properties. Nevertheless, previous research has not yet studied the mechanical properties of MTrPs by myotonometry. The purposes of this study were (1) to analyze the differences in the mechanical properties between latent MTrPs and their taut bands by myotonometry, (2) to investigate the inter-rater reproducibility of myotonometric measurements, and (3) to examine the association between myotonometry and passive isokinetic dynamometry...
November 26, 2018: Physiological Measurement
Johannes Keyser, Rob E F S Ramakers, W Pieter Medendorp, Luc P J Selen
Feedback corrections in reaching have been shown to be task-dependent for proprioceptive, visual and vestibular perturbations, in line with predictions from optimal feedback control theory. Mechanical perturbations have been used to elicit proprioceptive errors, but have the drawback to actively alter the limb's trajectory, making it non-trivial to dissociate the subject's compensatory response from the perturbation itself. In contrast, muscle vibration provides an alternative tool to perturb the muscle afferents without changing the hands trajectory, inducing only changes in the estimated, but not the actual, limb position and velocity...
November 25, 2018: European Journal of Neuroscience
Mohammad M Al-Qattan, Doaa Andejani, Ahmed Thallaj
INTRODUCTION: Triceps nerve-to-deltoid nerve transfer requires the identification of the axillary nerve in the quadrilateral space. This may be difficult especially for residents-in-training. The senior author is a Professor of Hand Surgery at a teaching institution and has devised a new technique of identification of the axillary nerve and its cutaneous branch using surface land-marks and on-table ultrasonography. CASE REPORT: The axillary nerve and the quadrilateral space is first identified using anatomical landmarks...
November 17, 2018: International Journal of Surgery Case Reports
Ling-Wei Li, Hai Ming Wong, Akanksha Gandhi, Colman Patrick McGrath
BACKGROUND: Socio-economic status, health awareness, and dietary habits have been reported as common risk factors of dental caries and obesity. The present study aimed to explore shared mediators between caries and obesity and to estimate the effects of caries-related factors on adiposity. METHODS: This was a cross-sectional study among adolescents aged 18 years. The study was nested in a population-representative cohort of Chinese in Hong Kong. The number of decayed, missing, and filled permanent teeth (DMFT) was recorded during the oral examinations...
November 20, 2018: BMC Oral Health
Artur Gołaś, Adam Maszczyk, Przemysław Pietraszewski, Michał Wilk, Petr Stastny, Katarzyna Strońska, Marcin Studencki, Adam Zając
The bench press (BP) is a complex upper body exercise in which substantial external loads can be used, demanding high neuromuscular activity. The aim of this study was to compare electromyographic (EMG) activity between female and male athletes during the flat bench press. Five male and five female athletes participated in this study. The main session included four sets of one repetition of the flat bench press with the load of 55, 70, 85 and 100% of the one-repetition maximum (1RM). The activity of four muscles was analysed: the pectoralis major (PM), the anterior deltoid (AD), the lateral head of the triceps brachii (TBlat) and the long head of the triceps brachii (TBlong)...
June 2018: Biology of Sport
Maliha Zahid, Kyle S Feldman, Gabriel Garcia-Borrero, Timothy N Feinstein, Nicholas Pogodzinski, Xinxiu Xu, Raymond Yurko, Michael Czachowski, Yijen L Wu, Neale S Mason, Cecilia W Lo
Our previous work identified a 12-amino acid peptide that targets the heart, termed cardiac targeting peptide (CTP). We now quantitatively assess the bio-distribution of CTP, show a clinical application with the imaging of the murine heart, and study its mechanisms of transduction. Bio-distribution studies of cyanine5.5- N -Hydroxysuccinimide (Cy5.5) labeled CTP were undertaken in wild-type mice. Cardiac targeting peptide was labeled with Technetium 99m (99m Tc) using the chelator hydrazino-nicotinamide (HYNIC), and imaging performed using micro-single photon emission computerized tomography/computerized tomography (SPECT/CT)...
November 14, 2018: Biomolecules
Zhi X Gao, Xiao Y Wu, Qi L Xiong, Chun F Deng, Nong Xiao, Yuan Liu, Yu X Chen, Wen S Hou
It has been widely accepted that the central nervous system (CNS) modulates muscle synergies to simplify motion control. However, it is still unclear that if there is a synergistic recruitment strategy to organize oscillation components of surface electromyography (sEMG) signals for limb movement. The sEMG signals were recorded from bilateral biceps brachii (BB) and triceps brachii (TB) muscles during infant crawling. The multivariate empirical mode decomposition (MEMD) was applied to decompose multi-channel sEMG signals into multi-scale oscillations...
July 2018: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
R Mukhopadhyay, M Mahadevappa, P K Lenka, A Biswas
Toe-walking is a very common gait abnormality seen in children with Cerebral Palsy (CP). The present study aims to improvise the toe-walking gait by applying Electrical Stimulation (ES) therapy of the Tricep Surae (TS) muscles. The study was carried out on sixteen children with spastic CP with unilateral toe-walking gait problem, divided into the intervention group that received both ES therapy along with conventional physiotherapy treatment and the control group that received only conventional physiotherapy treatment...
July 2018: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Justin Fong, Vincent Crocher, Raneem Haddara, David Ackland, Mary Galea, Ying Tan, Denny Oetomo
Deweighting of the limb is commonly performed for patients with a neurological injury, such as stroke, as it allows these patients with limited muscle activity to perform movements. Deweighting has been implemented in exoskeletons and other multi-contact devices, but not on an end-effector based device with single contact point between the assisting robot and the human limb being assisted. This study inves-tigates the effects of deweighting using an end-effector based device on healthy subjects. The muscle activity of five subjects was measured in both static postures and dynamic movements...
July 2018: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
L F Sommer, C Barreira, C Noriega, F Camargo-Junior, R T Moura, A Forner-Cordero
This paper presents a method to estimate the elbow joint angle from surface electromyography (sEMG) measurements of biceps, triceps and brachioradialis. This estimation is of major importance for the design of human robot interfaces based on sEMG. It is also relevant to model the muscular system and to design biomimetic mechanisms. However, the processing and interpretation of electromyographic signals is challenging due to nonlinearities, unmodeled muscle dynamics, noise and interferences. In order to determine an estimation model and a calibration procedure for the model parameters, a set of experiments were carried out with six subjects...
July 2018: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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