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https://www.readbyqxmd.com/read/29349977/-therapeutic-effects-of-internal-drainage-by-expanding-arthroscopic-gastrocnemius-semimembranosus-bursa-and-cyst-wall-resection-for-the-treatment-of-41-patients-with-popliteal-cysts
#1
Li-Chuang Wu, Hai-Bo Zhou, Chao Zhang, Lei Chen, Cai-Long Liu
OBJECTIVE: To investigate the clinical curative effects of internal drainage by expanding arthroscopic gastrocnemius-semimembranosus bursa(GSB) and cyst wall resection for the treatment of popliteal cysts. METHODS: A retrospective analysis of patients from May 2011 to December 2015. Arthroscopic treatment for 41 patients with popliteal fossa cysts, 18 males and 23 females, aged from 34 to 67 years old, averaged 42.6 years old. All the patients had preoperative magnetic resonance imagings to confirm the diagnosis and identify the valvular opening(Gastrocnemius-Semimembranosus bursa, GSB), as well as the associated intra-articular pathology...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29346516/deletion-of-nrip1-extends-female-mice-longevity-increases-autophagy-and-delays-cell-senescence
#2
Jinyu Wang, Xundi Chen, Jared Osland, D Skyler Gerber, Chao Luan, Kristin Delfino, Leslie Goodwin, Rong Yuan
Using age of female sexual maturation as a biomarker, we previously identified nuclear receptor interacting protein 1 (Nrip1) as a candidate gene that may regulate aging and longevity. In the current report, we found that the deletion of Nrip1 can significantly extend longevity of female mice (log rank test, P=0.0004). We also found that Nrip1 expression is altered differently in various tissues during aging and under diet restriction. Remarkably, Nrip1 expression is elevated with aging in visceral white adipose tissue (WAT), but significantly reduced after four months of diet restriction...
January 13, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29334717/-the-ten-year-retrospect-of-nutrition-and-health-status-of-pregnant-women-in-china
#3
C X Dong, S A Yin
Improvement of the nutrition and health status of pregnant women should be one of the top priority strategies of improving the physical fitness of next generation and reserve of talented person for national sustainable development. This paper reviews the nutrition and health status of pregnant women in China over the recent ten years and discusses the underlying factors and changing trends. The most popular nutrition-related problem is dietary imbalance, and many micronutrient intakes are lower than the recommended dietary intakes or adequate intakes, and some of nutrient intakes are still at a very low level for a long time such as vitamin D and calcium...
January 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29334308/neuromuscular-degenerative-effects-of-ankaferd-blood-stopper%C3%A2-in-mouse-sciatic-nerve-model
#4
Ramazan Üstün, Elif Kaval Oğuz, Çağrı Delilbaşı, Ayşe Şeker, Filiz Taşpınar, Mehmet Reşit Öncü, Ahmet Regaip Oğuz
Purpose Ankaferd Blood Stopper® (ABS), a licenced medicinal herbal extract, is commonly used as an effective topical haemostatic agent. This study is designed to investigate whether topical ABS application may cause peripheral nerve degeneration and neuromuscular dysfunction in a mouse sciatic nerve model. Methods Twenty mice were randomly divided into two groups; an ABS treated experimental group and a saline-treated control group. Left sciatic nerves were treated with 0.3 ml of ABS in the experimental group and 0...
January 15, 2018: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/29332742/the-effects-of-dorso-lumbar-motion-restriction-on-emg-activity-of-selected-muscles-during-running
#5
Joseph J Morley, Edward Traum
The effects of restricting dorso-lumbar spine mobility on electromyographic activity of the erector spinae, quadriceps femoris, hamstrings and gastrocnemius muscles in runners was investigated. Thermoplastic casting material was fashioned into a rigid orthosis and used to restrict spinal motion during running. Volunteers ran on a treadmill at 2.78 m/sec, under normal conditions and with spinal motion restricted. Surface electromyographic data was collected during both sets of trials. Normal electromyographic data was also compared with previous authors to determine similarity with their electromyographic data...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29332740/an-electromyographic-analysis-of-selected-asana-in-experienced-yogic-practitioners
#6
Kathleen Kelley, Katherine Slattery, Kaitlyn Apollo
The purpose of this study was to assess electromyographic (EMG) output of the anterior tibialis (TA), medial head of the gastrocnemius (GA), rectus femoris (RF), bicep femoris (BF), and gluteus medius (GM) in experienced yogic practitioners during selected yoga asana. A secondary purpose was to examine the differences in EMG output in unilateral V. bilateral standing yoga asana. The study was a single occasion descriptive design. Thirteen healthy yoga practitioners (1 male, 12 females, average age of 37.5) with more than five years of experience were recruited...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29332736/electromyographic-changes-in-muscles-around-the-ankle-and-the-knee-joints-in-women-accustomed-to-wearing-high-heeled-or%C3%A2-low-heeled-shoes
#7
Mona Kermani, Mehri Ghasemi, Abbas Rahimi, Khosro Khademi-Kalantari, Alireza Akbarzadeh-Bghban
OBJECTIVES: This study aimed to investigate muscle activities in the muscles around the ankle and knee joints in women accustomed to wearing high-heeled or low-heeled shoes. METHODOLOGY: Forty young women (age: 18-40 years) participated in this comparative clinical study. Twenty of the recruited subjects were accustomed to high-heeled shoes and the other half to low-heeled shoes. Electrical activities of the ankle and knee muscles in both groups with and without wearing their accustomed shoes were studied during walking...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29332162/roles-of-irisin-in-the-linkage-from-muscle-to-bone-during-mechanical-unloading-in-mice
#8
Naoyuki Kawao, Akihiro Moritake, Kohei Tatsumi, Hiroshi Kaji
Mechanical unloading induces disuse muscle atrophy and bone loss, but the details in mechanism involved in those pathophysiological conditions are not fully understood. Interaction between muscle and bone has been recently noted. Here, we investigated the roles of humoral factors linking muscle to bone during mechanical unloading using mice with hindlimb unloading (HU) and sciatic neurectomy (SNX). HU and SNX reduced muscle volume surrounding the tibia, tissue weights of soleus and gastrocnemius muscle, and trabecular bone mineral density (BMD) in the tibia of mice...
January 13, 2018: Calcified Tissue International
https://www.readbyqxmd.com/read/29332059/analysis-of-skeletal-muscle-performance-using-piezoelectric-film-sensors
#9
Anat Ratnovsky, Emanuel Kusayev, Sara Naftali
A flexible piezoelectric thin film sensor has been proposed recently in several studies for detection of muscle movements. The objective of this study was to investigate the ability of this sensor to assess skeletal muscle performance and fatigue under isokinetic contractions. Simultaneous noninvasive measurements of muscles activity were done using surface electromyography (EMG) electrodes and two thin film piezoelectric sensors. Measurements were taken from the biceps during slow and fast elbow flexion with and without strong grip, during different weight lifting and from the gastrocnemius during treadmill marching at speeds of 4 and of 10 kph...
January 5, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29332033/effect-of-dual-tasking-on-anticipatory-and-compensatory-postural-adjustments-in-response-to-external-perturbations-in-individuals-with-nonspecific-chronic-low-back-pain-electromyographic-analysis
#10
Ladan Hemmati, Soraya Piroozi, Zahra Rojhani-Shirazi
BACKGROUND: In patients with chronic low back pain (CLBP), postural control is a demanding task in terms of attention. Although the attentional demands of postural control have been investigated in these patients, the attentional demands of postural recovery during dual task performance have not been evaluated in patients with nonspecific CLBP. OBJECTIVE: To investigate the effect of dual tasking on anticipatory and compensatory postural adjustments in response to an external perturbation in patients with nonspecific CLBP...
December 29, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29329889/exploring-individual-adaptations-to-an-anterior-cruciate-ligament-injury-prevention-programme
#11
Aaron S Fox, Jason Bonacci, Scott G McLean, Natalie Saunders
BACKGROUND: Individual responses to anterior cruciate ligament injury prevention programmes (ACL IPPs) have received little attention. This study examined the effects of an ACL IPP on neuromuscular control and lower limb biomechanics during landing at the group and individual levels. METHODS: Sixteen female athletes were randomly allocated to training (n=8) or control (n=8) groups. Electromyography, and three-dimensional kinematic and kinetic data were collected during landing at two testing sessions...
January 9, 2018: Knee
https://www.readbyqxmd.com/read/29327169/passive-stiffness-of-monoarticular-lower-leg-muscles-is-influenced-by-knee-joint-angle
#12
Filiz Ateş, Ricardo J Andrade, Sandro R Freitas, François Hug, Lilian Lacourpaille, Raphael Gross, Can A Yucesoy, Antoine Nordez
PURPOSE: While several studies demonstrated the occurrence of intermuscular mechanical interactions, the physiological significance of these interactions remains a matter of debate. The purpose of this study was to quantify the localized changes in the shear modulus of the gastrocnemius lateralis (GL), monoarticular dorsi- and plantar-flexor muscles induced by a change in knee angle. METHOD: Participants underwent slow passive ankle rotations at the following two knee positions: knee flexed at 90° and knee fully extended...
January 11, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29325930/integrated-study-on-comparative-transcriptome-and-skeletal-muscle-function-in-aged-rats
#13
Jing Zhou, Zhiyin Liao, Jinliang Chen, Kexiang Zhao, Qian Xiao
The present study aimed to reveal aging-related changes in the skeletal muscle of SD rats by comparing transcriptome analysis, integrated with muscle physiological parameters. Ten rats aged 25 months were set as the old group (OG) and ten rats aged 6 months were set as the young group (YG). After 6 weeks of feeding, the body mass, grip strength, and gastrocnemius muscle mass were determined, and the differentially expressed genes were analyzed by transcriptome sequencing, followed by GO enrichment analysis and KEGG analysis...
January 8, 2018: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/29325195/common-calcaneal-tenorrhaphy-revision-using-a-central-gastrocnemius-turnover-aponeurotic-flap-technique-in-a-cat
#14
Fabio Sangion, Filippo Cinti, Guido Pisani
A 5-year-old, male castrated, domestic short hair cat was referred to the authors' clinic because of wound dehiscence and exposure of tendon stumps after tenorrhaphy of the Achilles tendon. Surgical revision was done using an aponeurotic flap taken from the proximal stump of the Achilles tendon and sutured over the two tendon portions. This technique has been described in humans, but, to the authors' knowledge, this has not been reported in cats. Modified type II external fixation was used to maintain the tarsocrural joint in extension until tendon healing was confirmed ultrasonographically 35 days postoperatively...
January 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29324352/administration-of-exercise-conditioned-plasma-alters-muscle-catalase-kinetics-in-rat-an-argument-for-in-vivo-like-km-instead-of-in-vitro-like-vmax
#15
Aristidis S Veskoukis, Vassilis Paschalis, Antonios Kyparos, Michalis G Nikolaidis
Maximal velocity (Vmax) is a well established biomarker for the assessment of tissue redox status. There is scarce evidence, though, that it does not probably reflect sufficiently in vivo tissue redox profile. Instead, the Michaelis constant (Km) could more adequately image tissue oxidative stress and, thus, be a more physiologically relevant redox biomarker. Therefore, the aim of the present study was to side-by-side compare Vmax and Km of an antioxidant enzyme after implementing an in vivo set up that induces alterations in tissue redox status...
January 3, 2018: Redox Biology
https://www.readbyqxmd.com/read/29318853/-effects-of-electroacupuncture-on-adaptive-hypertrophy-of-gastrocnemius-and-proliferation-and-differentiation-of-muscle-satellite-cells-in-rats
#16
Dan-Dan Zhao, Cheng-Lin Tang, Si-Qin Huang, Ao Luo, An-Ning Zhang, Quan-Hu Guo, Jing Cao, Rui-Qi Gao
OBJECTIVE: To explore the effects and mechanism of different duration electroacupuncture (EA) on adaptive hypertrophy of gastrocnemius and the expressions of proliferation cell nuclear antigen (PCNA), paired box transcription factor 7 (Pax 7), myogenic differentiation antigen (MyoD 1), myogenin (MyoG), myosin heavy chain-Ⅰ(Myh 7), transforming growth factor-β 1 (TGF-β 1), Smad 3 in rats. METHODS: Twenty-four SD adult male rats were randomly divided into normal, two-week EA (A 2), four-week EA (A 4) and eight-week EA (A 8) groups, 6 rats in each group...
December 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29318610/demographic-and-modifiable-factors-associated-with-knee-contracture-in-children-with-cerebral-palsy
#17
Erika Cloodt, Andreas Rosenblad, Elisabet Rodby-Bousquet
AIM: To identify the prevalence of knee contracture and its association with gross motor function, age, sex, spasticity, and muscle length in children with cerebral palsy (CP). METHOD: Cross-sectional data for passive knee extension were analysed in 3 045 children with CP (1 756 males, 1 289 females; mean age 8y 1mo [SD 3.84]). CP was classified using the Gross Motor Function Classification System (GMFCS) levels I (n=1 330), II (n=508), III (n=280), IV (n=449), and V (n=478)...
January 10, 2018: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/29315904/the-effects-of-ageing-on-mouse-muscle-microstructure-a-comparative-study-of-time-dependent-diffusion-mri-and-histological-assessment
#18
Paola Porcari, Matt G Hall, Chris A Clark, Elizabeth Greally, Volker Straub, Andrew M Blamire
The investigation of age-related changes in muscle microstructure between developmental and healthy adult mice may help us to understand the clinical features of early-onset muscle diseases, such as Duchenne muscular dystrophy. We investigated the evolution of mouse hind-limb muscle microstructure using diffusion imaging of in vivo and in vitro samples from both actively growing and mature mice. Mean apparent diffusion coefficients (ADCs) of the gastrocnemius and tibialis anterior muscles were determined as a function of diffusion time (Δ), age (7...
January 9, 2018: NMR in Biomedicine
https://www.readbyqxmd.com/read/29309274/temporary-persistence-of-conduction-block-after-prolonged-kilohertz-frequency-alternating-current-on-rat-sciatic-nerve
#19
Narendra Bhadra, Emily Foldes, Tina Vrabec, Kevin Kilgore, Niloy Bhadra
OBJECTIVE: Application of kilohertz frequency alternating current (KHFAC) waveforms can result in nerve conduction block that is induced in less than a second. Conduction recovers within seconds when KHFAC is applied for about 5-10 min. This study investigated the effect of repeated and prolonged application of KHFAC on rat sciatic nerve with bipolar platinum electrodes. APPROACH: Varying durations of KHFAC at signal amplitudes for conduction block with intervals of no stimulus were studied...
January 8, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29309051/insulin-exits-skeletal-muscle-capillaries-by-fluid-phase-transport
#20
Ian M Williams, Francisco A Valenzuela, Steven D Kahl, Doraiswami Ramkrishna, Adam R Mezo, Jamey D Young, K Sam Wells, David H Wasserman
Before insulin can stimulate myocytes to take up glucose, it must first move from the circulation to the interstitial space. The continuous endothelium of skeletal muscle (SkM) capillaries restricts insulin's access to myocytes. The mechanism by which insulin crosses this continuous endothelium is critical to understand insulin action and insulin resistance; however, methodological obstacles have limited understanding of endothelial insulin transport in vivo. Here, we present an intravital microscopy technique to measure the rate of insulin efflux across the endothelium of SkM capillaries...
January 8, 2018: Journal of Clinical Investigation
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