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https://www.readbyqxmd.com/read/27906065/dystrophin-deficient-dogs-with-reduced-myostatin-have-unequal-muscle-growth-and-greater-joint-contractures
#1
Joe N Kornegay, Daniel J Bogan, Janet R Bogan, Jennifer L Dow, Jiahui Wang, Zheng Fan, Naili Liu, Leigh C Warsing, Robert W Grange, Mihye Ahn, Cynthia J Balog-Alvarez, Steven W Cotten, Monte S Willis, Candice Brinkmeyer-Langford, Hongtu Zhu, Joe Palandra, Carl A Morris, Martin A Styner, Kathryn R Wagner
BACKGROUND: Myostatin (Mstn) is a negative regulator of muscle growth whose inhibition promotes muscle growth and regeneration. Dystrophin-deficient mdx mice in which myostatin is knocked out or inhibited postnatally have a less severe phenotype with greater total mass and strength and less fibrosis and fatty replacement of muscles than mdx mice with wild-type myostatin expression. Dogs with golden retriever muscular dystrophy (GRMD) have previously been noted to have increased muscle mass and reduced fibrosis after systemic postnatal myostatin inhibition...
April 4, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27904218/core-decompression-or-quadratus-femoris-muscle-pedicle-bone-grafting-for-nontraumatic-osteonecrosis-of-the-femoral-head-a-randomized-control-study
#2
Deqiang Li, Ming Li, Peilai Liu, Yuankai Zhang, Liang Ma, Fei Xu
BACKGROUND: The traditional management for osteonecrosis of the femoral head (ONFH) includes core decompression (CD) and quadratus femoris muscle pedicle bone graft (QF-MPBG). The aim of this study was to investigate the effects of CD and QF-MPBG on the patients with nontraumatic ONFH in an early stage. MATERIALS AND METHODS: 39 patients (47 hips) with ONFH in an early stage (Ficat Stage I or II) were randomly divided into two groups according to random number table method...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27904121/sporadic-inclusion-body-myositis-manifesting-as-isolated-muscle-weakness-of-the-finger-flexors-three-years-after-disease-onset
#3
Yuichi Suwa, Naoki Suzuki, Temma Soga, Ryuhei Harada, Aya Shibui, Hiroshi Kuroda, Rumiko Izumi, Maki Tateyama, Ichiro Nakashima, Masahiro Sonoo, Masashi Aoki
Sporadic inclusion body myositis (sIBM) is a chronic progressive myopathy characterized by muscle weakness of both the quadriceps femoris and finger flexors. We herein present the case of a typical male patient with sIBM, which manifested as the isolated weakness of the finger flexors three years after the disease onset. We have identified several patients with sIBM in our cohort with muscle weakness of the flexors but not the quadriceps femoris. Examination of the flexor digitorum profundus muscle is important for the early and proper diagnosis of sIBM, even if a patient only presents with isolated finger flexor muscle weakness...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27898910/feeding-microalgae-meal-all-g-rich-ccap-4067-2-to-beef-heifers-ii-effects-on-ground-beef-color-and-palatability
#4
K J Phelps, J S Drouillard, T G O'Quinn, D D Burnett, T L Blackmon, J E Axman, C L Van Bibber-Krueger, J M Gonzalez
The objective of this study was to examine the effects of feeding microalgae meal (All-G Rich, CCAP 4087/2; Alltech Inc., Nicholasville, KY) to finishing heifers on 85% lean and 15% fat (85/15) ground beef PUFA content, palatability, and color stability. Crossbred heifers ( = 288; 452 ± 23 kg initial BW) were allocated to pens (36 pens and 8 heifers/pen), stratified by initial pen BW (3,612 ± 177 kg), and randomly assigned within strata to 1 of 4 treatments: 0, 50, 100, and 150 g·heifer·d of microalgae meal...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898875/relationships-of-feedlot-performance-feeding-behavior-rumen-morphometrics-and-carcass-characteristics-of-nellore-cattle-differing-in-phenotypic-residual-feed-intake
#5
M C S Pereira, G D Cruz, M D B Arrigoni, A L N Rigueiro, J Silva, T V B Carrara, P C S Santos, L L Cursino, D D Millen
The objective of this study was to examine the relationship of DMI fluctuation, feedlot performance, feeding behavior, rumen morphometrics, and carcass characteristics in Nellore cattle classified by residual feed intake (RFI). One experiment was conducted in 2 consecutive years using individual pens (1.0 × 7.0 m) at the São Paulo State University feedlot, Dracena campus, Brazil. The experiment in year 1 started in June of 2012 with forty-eight 20-mo-old Nellore yearling bulls with an initial BW of 358.2 ± 19...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898874/technical-note-the-effect-of-carcass-deboning-technique-on-the-meat-quality-of-cattle
#6
B Cui, Y Zhang, F Wang, M A Jamali, L Wei, Z Peng
The objective of this study was to evaluate the effects of the suspended carcass deboning technique on the meat attributes of electrically stimulated cattle ( = 10). A carcass deboning technique that removes the main bones without breakdown of the entire carcass was applied to suspended sides soon after slaughter. After 3 d of aging at 4°C, the shear force of the rectus femoris, longissimus lumborum, and supraspinatus muscles of the suspended carcass deboning technique was reduced by 27%, 29%, and 23% ( < 0...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898476/bilateral-rectus-femoris-muscle-rupture-following-statin-medication
#7
Kamal Mezian, Jan Vacek, Leoš Navrátil, Levent Özçakar
No abstract text is available yet for this article.
November 24, 2016: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/27896586/effect-of-berberine-on-the-ratio-of-high-molecular-weight-adiponectin-to-total-adiponectin-and-adiponectin-receptors-expressions-in-high-fat-diet-fed-rats
#8
Yue-Yue Wu, Ying Zha, Jun Liu, Fang Wang, Jiong Xu, Zao-Ping Chen, He-Yuan Ding, Li Sheng, Xiao-Jie Han
OBJECTIVE: To assess the effects of berberine (BBR) on high-molecular weight (HMW) adiponectin and adiponectin receptors (adipoR1/adipoR2) expressions in high-fat (HF) diet fed rats. METHODS: Forty Wistar male rats were randomly assigned into a normal diet fed group and three HF diet (fat for 45% calories) fed groups (n=10 for each group). All rats underwent 12 weeks of feeding. After 4 weeks feeding, rats in the two of three HF diet fed groups were treated with 150 mg·kg(-1)·day(-1) BBR (HF+LBBR group) and 380 mg·kg(-1)·day(-1) BBR (HF+HBBR group) by gavage once a day respectively for the next 8 weeks while the rats in other groups treated with vehicle (NF+Veh and HF+Veh)...
November 17, 2016: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/27896273/relationships-between-muscle-architecture-of-rectus-femoris-and-functional-parameters-of-knee-motion-in-adults-with-down-syndrome
#9
Maria Stella Valle, Antonino Casabona, Marco Micale, Matteo Cioni
This study was designed to measure in vivo muscle architecture of the rectus femoris in adults with Down syndrome, testing possible relationships with functional parameters of the knee motion. Ten adults with Down syndrome and ten typically developed participated in the study. Pennation angle and thickness of the rectus femoris and subcutaneous layer of the thigh were measured via ultrasound imaging. Knee kinematics and electromyographic activity of the rectus femoris were recorded during free leg dropping...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27893479/complex-training-the-effect-of-exercise-selection-and-training-status-on-post-activation-potentiation-in-rugby-league-players
#10
David J Scott, Massimiliano Ditroilo, Phil Marshall
This study compared the post-activation potentiation (PAP) response of the hex bar deadlift (HBD) and back squat (BS) exercises. The PAP response between different levels of athletes was also compared. Ten professional and ten amateur rugby league players performed two experimental sessions. Participants performed a countermovement jump (CMJ) before and 2, 4, 6, 8, 10, 12, 14 and 16 minutes after a conditioning activity (CA) that contained 1 set of 3 repetitions at 93% 1RM of either HBD or BS. A force platform determined peak power output (PPO), force at PPO, velocity at PPO and jump height of each CMJ...
November 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27890839/rupture-of-a-true-profunda-femoris-artery-aneurysm-two-case-reports-and-review-of-the-english-language-literature
#11
Ossama M Reslan, Scott Sundick, Combiz Razayat, Bruce J Brener, Joseph D Raffetto
Profunda femoris artery aneurysms (PFAA) are very rare and easily overlooked because located deeply within thigh muscle. PFAAs have a high rate of rupture in comparison with other peripheral arterial aneurysms, resulting in emergency surgical procedures with significant morbidity. PFAAs is diagnosed with color arterial Doppler ultrasound, although computed tomography angiography (CTA) remains the best imaging method to precisely define the exact site and length of arterial involvement. PFAAs should be treated surgically once diagnosed, even if they are asymptomatic due to the high incidence of complications...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27889839/what-is-the-fate-of-the-neck-after-a-collum-femoris-preserving-prosthesis-a-nineteen-years-single-center-experience
#12
Matteo Formica, Luca Cavagnaro, Marco Basso, Andrea Zanirato, Augusto Palermo, Lamberto Felli
PURPOSE: The aim of our study is to evaluate long-term outcomes from a cohort of patients treated with collum femoris preserving (CFP) stem correlating neck resorption with comorbidities, clinical outcomes, and complications. METHODS: One hundred seventy-six patients (194 hips) were retrospectively reviewed with a minimum follow-up (f.u.) of ten years. Demographic and surgical data were collected. Clinical and radiological evaluation was performed at the last follow up...
November 26, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27888211/biceps-femoris-architecture-the-association-with-injury-and-response-to-training
#13
Ryan Timmins
No abstract text is available yet for this article.
November 25, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27886952/complex-inferior-vena-cava-filter-retrieval-complicated-by-migration-of-filter-fragment-into-the-aorta-and-subsequent-distal-embolization
#14
Erica M Knavel, Michael A Woods, Mark G Kleedehn, Orhan S Ozkan, Paul F Laeseke
In 2005, a 48-year-old man with a spinal cord injury had an inferior vena cava filter placed for recurrent deep vein thrombosis and pulmonary embolism. He was referred for filter retrieval after a computed tomography scan demonstrated caval stenosis and 2 fractured filter arms, 1 in a pulmonary artery and 1 penetrating into the retroperitoneum and impinging on the aorta. During retrieval, 1 arm was inadvertently advanced into the aorta, and embolization of the arm occurred to the left profunda femoris artery...
December 2016: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/27886641/comparison-of-hot-versus-cold-boning-of-beef-carcasses-on-bacterial-growth-and-the-risk-of-blown-pack-spoilage
#15
Rachael Reid, Séamus Fanning, Paul Whyte, Joe Kerry, Declan Bolton
Primals were prepared from beef Longissimus thoracis et lumborum (LTL), psoas major (PM), quadriceps femoris (QF) and semitendinosus (S) muscles from cold and hot boned carcasses, vacuum-packaged and stored for 42 or 100days at 2°C and 7°C. Storage temperature, carcass or primal surface temperature, pH and aw were monitored. Samples were taken periodically and tested for total viable count mesophilic (TVCm), TVC psychrophilic (TVCp), total Enterobacteriaceae count (TEC), presumptive Pseudomonas spp., lactic acid bacteria (LAB), Clostridium spp...
November 17, 2016: Meat Science
https://www.readbyqxmd.com/read/27865881/modulation-of-quadriceps-corticospinal-excitability-by-femoral-nerve-stimulation
#16
Dan Río-Rodríguez, Eliseo Iglesias-Soler, Y Miguel Fernandez-Del-Olmo
INTRODUCTION: We explored the conditioning effect of a percutaneous electrical pulse of the femoral nerve on cortical motor evoked responses in the rectus femoris muscle. METHODS: Corticospinal excitability of rectus femoris muscle was measured in sixteen healthy subjects, when a single transcranial magnetic pulse was preceded by an electrical femoral nerve stimulus, using twelve inter-stimulus intervals (from 10 to 275ms). We also evaluated the effects of the intensities of the transcranial magnetic and of the electrical pulses...
November 16, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27865478/the-limits-of-stability-and-muscle-activity-in-middle-aged-adults-during-static-and-dynamic-stance
#17
P X Ku, N A Abu Osman, W A B Wan Abas
Balance control plays an important role in maintaining daily activity. However, studies on postural control among middle-aged adults are scarce. This study aims (i) to examine directional control (DCL) and electromyography activity (EMG) for different stability levels, and (ii) to determine left-right asymmetry for DCL and muscle activity among sedentary middle-aged adults. Twenty healthy, middle-aged adults (10 males, 10 females; age=50.0±7.5yrs; body height: 1.61±0.10m; body mass: 70.0±14.5kg) participated in the study...
November 10, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27865130/effects-of-fatigue-on-lower-limb-pelvis-and-trunk-kinematics-and-muscle-activation-gender-differences
#18
Giovanna Camparis Lessi, Ana Flávia Dos Santos, Luis Fylipe Batista, Gabriela Clemente de Oliveira, Fábio Viadanna Serrão
BACKGROUND: Muscle fatigue is associated with biomechanical changes that may lead to anterior cruciate ligament (ACL) injuries. Alterations in trunk and pelvis kinematics may also be involved in ACL injury. Although some studies have compared the effects of muscle fatigue on lower limb kinematics between men and women, little is known about its effects on pelvis and trunk kinematics. The aim of the study was to compare the effects of fatigue on lower limb, pelvis and trunk kinematics and muscle activation between men and women during landing...
November 9, 2016: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/27855411/leg-muscle-involvement-in-facioscapulohumeral-muscular-dystrophy-comparison-between-facioscapulohumeral-muscular-dystrophy-types-1-and-2
#19
Dorothea Mair, Monika Huegens-Penzel, Wolfram Kress, Christian Roth, Andreas Ferbert
BACKGROUND: Facioscapulohumeral muscular dystrophy (FSHD) presents with 2 genetically distinct types. We describe for the first time the MRI patterns of leg muscle involvement in type 2 and compare it with type 1. METHODS: The intramuscular fat content was assessed on lower extremity axial T1-weighted MRI scans in 6 FSHD1 and 5 FSHD2 patients. RESULTS: Overall, the muscle involvement profile did not differ substantially between FSHD1 and FSHD2...
November 18, 2016: European Neurology
https://www.readbyqxmd.com/read/27855311/effect-of-aging-on-regional-neuromuscular-regulation-within-human-rectus-femoris-muscle-during-stair-ascent-and-descent
#20
Kohei Watanabe, Motoki Kouzaki, Toshio Moritani
Our recent studies showed the rectus femoris (RF) muscle is regionally regulated during the level walking and this unique neuromuscular activation pattern is influenced by aging (Watanabe et al., 2014, 2016 J Biomech). We aimed to investigate and compare regional neuromuscular activation patterns along the RF muscle between the young and elderly during the stair walking. Fourteen young men (age: 20.4±1.0years) and 14 elderly men (age: 73.8±5.9years) performed the stair ascent and descent. Fifteen trials of three steps were performed for both stair ascent and descent...
November 10, 2016: Gait & Posture
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