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https://www.readbyqxmd.com/read/28549367/-transfer-of-the-long-head-of-triceps-for-elbow-flexion-in-braquial-plexus-sequelae
#1
E Vergara-Amador, F Vela-Rodríguez
The independent neurovascular anatomy of the long head of the triceps brachii and its suitability as a free muscle transfer have been extensively studied. Instead muscle transposition of the long head of the triceps brachii to enhance elbow flexion has been rarely described. We describe in this paper two cases of injury of brachial plexus sequel in which transposition was performed only on the long head of the triceps. The elbow flexion was improved, the extension was preserved.
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28549364/-an-option-to-restore-ulnar-intrinsic-muscles-when-the-anterior-interosseus-nerve-is-not-available
#2
G A González-Trevizo
BACKGROUND: The peripheral nerve injuries are devastating for the patient; the classic reconstructive options are the Nerve Graft and Tendon Transfers. Lately the Nerve Transfers are being used more and more broadly. They are an excellent option on early injuries and when the motor plate is still alive. The advantages are numerous, because the functional recovery is much better. METHODS AND RESULTS: We report the case of a patient who sustained and injury on the median and ulnar nerve, so the EDQ and ECU branches were used to restore the Ulnar Intrinsic Function...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28546738/kinematic-and-electromyographic-activity-changes-during-back-squat-with-submaximal-and-maximal-loading
#3
Hasan U Yavuz, Deniz Erdag
The aim of this study was to investigate the possible kinematic and muscular activity changes with maximal loading during squat maneuver. Fourteen healthy male individuals, who were experienced at performing squats, participated in this study. Each subject performed squats with 80%, 90%, and 100% of the previously established 1 repetition maximum (1RM). Electromyographic (EMG) activities were measured for the vastus lateralis, vastus medialis, rectus femoris, semitendinosus, biceps femoris, gluteus maximus, and erector spinae by using an 8-channel dual-mode portable EMG and physiological signal data acquisition system (Myomonitor IV, Delsys Inc...
2017: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/28546635/local-cryotherapy-minimally-impacts-the-metabolome-and-transcriptome-of-human-skeletal-muscle
#4
Dylan C Sarver, Kristoffer B Sugg, Nathaniel P Disser, Elizabeth R Sibilsky Enselman, Tariq M Awan, Christopher L Mendias
Cryotherapy is commonly used in the treatment of skeletal muscle injuries. However, the data to support the use of cryotherapy is inconclusive, and the biochemical etiology of cryotherapy in human skeletal muscle remains largely unknown. We therefore sought to determine how a clinically-relevant dose of cryotherapy would impact the transcriptome and metabolome of skeletal muscle. Eight healthy male subjects (age 24.7 ± 4.5 years, BMI 22.2 ± 1.6) received a 15 minute bout of local cryotherapy, delivered via ice cup massage over the anterolateral thigh...
May 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28544569/maintenance-of-the-contractile-phenotype-in-corpus-cavernosum-smooth-muscle-cells-by-myocardin-gene-therapy-ameliorates-erectile-dysfunction-in-bilateral-cavernous-nerve-injury-rats
#5
H-B Zhang, Z-Q Wang, F-Z Chen, W Ding, W-B Liu, Z-R Chen, S-H He, A-Y Wei
The pathophysiology of erectile dysfunction post radical prostatectomy is not clearly clarified, and the low efficacy of traditional PDE5i treatment remains a major complaint in contemporary practice. This study aimed to demonstrate phenotypic modulation in bilateral cavernous nerve injury (BCNI) rats within 7 days, and subsequently validate gene therapy with Myocardin (Mycod) by maintaining a contractile phenotype in corpus cavernosum smooth muscle cells. Initially, 36 male rats were randomly divided into BCNI and negative control (NC) groups for histological and phenotypic molecular measurements at 3, 5, and 7 days...
May 23, 2017: Andrology
https://www.readbyqxmd.com/read/28544170/hamstring-injury-prevention-in-soccer-before-or-after-training
#6
Ric Lovell, Michael Knox, Matthew Weston, Jason C Siegler, Scott Brennan, Paul W M Marshall
We examined the effects of a 12-week program of Nordic hamstring exercises (NHE), administered before or after football training, upon eccentric hamstring strength, muscle activity, and architectural adaptations. Amateur soccer players were randomized into 3 groups. The control group (CON; n=11) undertook core stability exercises, whereas a periodized NHE program was delivered either before (NHEBEF ; n=10) or after (NHEAFT ; n=14) bi-weekly training sessions. Outcome measures included peak torque and concomitant normalized peak surface electromyography signals (sEMG) of the biceps femoris (BF) and medial hamstring (MH) muscles during knee flexor maximal eccentric contractions, performed at 30°·s(-1) ...
May 24, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28543791/the-association-between-eccentric-hip-abduction-strength-and-hip-and-knee-angular-movements-in-recreational-male-runners-an-explorative-study
#7
René B K Brund, Sten Rasmussen, Rasmus O Nielsen, Uwe G Kersting, Uffe Laessoe, Michael Voigt
Weak hip abductors may be related with increased hip adduction and knee abduction angular movement, which may be risk factors of lower extremity injuries. Since the role of eccentric hip abduction strength (EHAS) on hip adduction angular movement and the knee abduction angular movement (KABD) remains unclear and the purpose of the present study was to explore the association between EHAS and hip- and knee angular movement. In 100 healthy male recreational runners, EHAS was quantified using an isokinetic dynamometer, while hip- and knee angular movement were collected using pressure sensitive treadmill and Codamotion active marker system...
May 24, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28541212/improvement-in-offaxis-neuromuscular-control-under-slippery-conditions-following-6-week-pivoting-neuromuscular-training
#8
Song Joo Lee, Yupeng Ren, Joel Press, Jungwha Lee, Li-Qun Zhang
Knee injuries are usually associated with offaxis loadings in the transverse and frontal planes. Thus, improvement of lower limb offaxis neuromuscular control is important in knee injury prevention and post-injury rehabilitation. The goal of this study was to investigate the effects of 6-week pivoting offaxis intensity adjustable neuromuscular control training (POINT) using a custom-made offaxis elliptical trainer on lower limb offaxis neuromuscular control performance in trained and untrained functional tasks under slippery conditions...
May 18, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28540442/outcome-after-brachial-plexus-injury-surgery-and-impact-on-quality-of-life
#9
Lukas Rasulić, Andrija Savić, Bojana Živković, Filip Vitošević, Mirko Mićović, Vladimir Baščarević, Vladimir Puzović, Nenad Novaković, Milan Lepić, Miroslav Samardžić, Stefan Mandić-Rajčević
BACKGROUND: The aim of this study was to investigate outcomes after surgery for brachial plexus injury (BPI), not only motor outcomes but also the quality of life of the patients. METHODS: We operated on 128 consecutive patients with BPI from 1992 to 2012. We documented the information on the injured nerve, level of injury, type of treatment used, timing of surgery, patient age, and preoperative and postoperative motor deficits. In 69 patients who agreed to participate in a quality of life study, additional assessments included functionality, pain, quality of life, patient satisfaction, and psychosocial health...
May 24, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28539892/the-cross-education-phenomenon-brain-and-beyond
#10
Ashlee M Hendy, Séverine Lamon
Objectives: Unilateral resistance training produces strength gains in the untrained homologous muscle group, an effect termed "cross-education." The observed strength transfer has traditionally been considered a phenomenon of the nervous system, with few studies examining the contribution of factors beyond the brain and spinal cord. In this hypothesis and theory article, we aim to discuss further evidence for structural and functional adaptations occurring within the nervous, muscle, and endocrine systems in response to unilateral resistance training...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28539233/supplementation-action-with-ascorbic-acid-in-the-morphology-of-the-muscular-layer-and-reactive-acetylcholinesterase-neurons-of-ileum-of-mdx-mice
#11
Marcelo José Santiago Lisboa, Marília Fabiana De Oliveira Lima, Sandra Regina Stabille, Jacqueline Nelisis Zanoni, Karina Martinez Gagliardo, Melyna Soares Souto, Renivaldo Souza, Jodonai Barbosa Da Silva, Sônia Regina De Almeida Yokomizo, Edson Aparecido Liberti, Naianne Kelly Clebis
The Duchenne Muscular Dystrophy (DMD) is a genetic disorder characterized by the absence of dystrophin protein, causing severe myopathy from increases of oxidative stress. Injuries of intestinal muscle can compromise the myenteric plexus. This study aimed to evaluate the disorders occurred in the muscular layer and in the acetylcholinesterase myenteric neurons (ACHE-r) of ileum of mdx mice, and the effects of supplementation with ascorbic acid (AA) in both components. 30 male mice C57BL/10, and 30 male mice C57BL/10Mdx were separated according to the age and treatment (n=10/group): 30-days-old control group (C30); 30-days-old dystrophic group (D30); 60-days-old control group (C60); 60-days-old dystrophic group (D60); 60-days-old control group supplemented with AA (CS60); and 60-days-old dystrophic group supplemented with AA (DS60)...
May 17, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28538530/clinical-assessment-and-diagnostics-of-patients-with-hand-disorders-a-case-study-approach
#12
Mabel Qi He Leow, Rebecca Qian Ru Lim, Shian Chao Tay
Clinical assessment of the hand is important for diagnosing underlying hand disorders. Using a case study approach, the clinical assessment for three disorders of the hands is presented: trigger finger (stenosing tenosynovitis), carpal tunnel syndrome, and ulnar-sided wrist injury (styloid impingement). We assess the annular one pulley and finger range of motion for patients with trigger finger. To diagnose for carpal tunnel syndrome, assessment for Tinel's sign, Phalen's sign, abductor pollicis brevis muscle bulk, two-point discrimination, and obtaining a nerve conduction study are performed...
May 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28538320/the-effects-of-a-heel-wedge-on-hip-pelvis-and-trunk-biomechanics-during-squatting-in-resistance-trained-individuals
#13
Jesse M Charlton, Connor A Hammond, Christopher K Cochrane, Gillian L Hatfield, Michael A Hunt
Charlton, JM, Hammond, CA, Cochrane, CK, Hatfield, GL, and Hunt, MA. The effects of a heel wedge on hip, pelvis, and trunk biomechanics during squatting in resistance trained individuals. J Strength Cond Res 31(6): 1678-1687, 2017-Barbell back squats are a popular exercise for developing lower extremity strength and power. However, this exercise has potential injury risks, particularly to the lumbar spine, pelvis, and hip joint. Previous literature suggests heel wedges as a means of favorably adjusting trunk and pelvis kinematics with the intention of reducing such injury risks...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28538311/intrasession-and-intersession-reliability-of-quadriceps-and-hamstrings-electromyography-during-a-standardized-hurdle-jump-test-with-single-leg-landing
#14
Mark T Cavanaugh, Saied Jalal Aboodarda, David G Behm
Cavanaugh, MT, Aboodarda, SJ, and Behm, DG. Intrasession and intersession reliability of quadriceps' and hamstrings' electromyography during a standardized hurdle jump test with single leg landing. J Strength Cond Res 31(6): 1601-1609, 2017-The objective of this study was to develop a standardized test to determine quadriceps and hamstrings muscle activation in a position emulating a noncontact anterior cruciate ligament injury. We assessed the intrasession and intersession reliability of surface electromyography (EMG) of the dominant leg after single-leg landing from a standardized hurdle jump...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28538072/surgical-treatment-of-posttraumatic-ophthalmoplegia-through-the-reconstruction-of-the-lateral-orbital-wall
#15
Pedro Henrique da Hora Sales, Suellen Sombra da Rocha, Paulo Henrique Carvalho Rodrigues, Edson Luiz Cetira Filho, Leonardo de Freitas Silva, Manoel de Jesus Rodrigues Mello
Orbital fractures are injuries frequently related to traumas of the midface. These fractures can be associated with ocular lesions, ranging from small abrasions on the cornea to serious complications such as hyphema and ocular globe rupture. Diplopia and ophthalmoplegia are common findings in orbital fractures. They can be caused by mechanical factors as bone fragments or muscle imprisonment. The aim of this study was to report a case of a 40-year patient, male showing diplopia and ophthalmoplegia due to the orbital fracture...
May 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28537411/-treatment-of-pelvic-avulsion-fractures-in-children-and-adolescents
#16
A Stančák, J Kautzner, T Trč, V Havlas
INTRODUCTION: Paediatric avulsion fractures of the pelvis and hip joint are rare injuries most commonly associated with a rapid muscle contraction of the respected apophysis, which is the weakest component of the growing skeleton. The chosen therapy option can be either conservative or surgical. METHODS: We present a cohort of 69 patients treated for an apophyseal avulsion fracture of the anterior superior / inferior iliac spine, the lesser and greater trochanters iliac crest and the ischial tubercle...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28536315/-skeletal-muscle-stem-cell
#17
Shinsuke Yuasa
Adult skeletal muscle has its own stem cell population known as satellite cells. After muscle injury, quiescent satellite cells are activated and then proliferate and differentiate into mature skeletal muscle to ensure that muscle function is recovered. In our screen for myocyte differentiation-promoting factors, we noted markedly elevated expression of granulocyte-colony stimulating factor receptor(G-CSFR, encoded by csf3r)in the skeletal muscle developing area. Furthermore, G-CSFR was transiently expressed in regenerating myocytes of adult injured skeletal muscle, and extrinsic G-CSF supported short-term and long-term muscle regeneration in mouse model of skeletal muscle injury...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28536271/contrasting-modulatory-effects-from-the-dorsal-and-ventral-premotor-cortex-on-primary-motor-cortex-outputs
#18
Sandrine L Côté, Adjia Hamadjida, Stephan Quessy, Numa Dancause
The dorsal and ventral premotor cortices (PMd and PMv) each take part in unique aspects for the planning and execution of hand movements. These premotor areas are components of complex anatomical networks that include the primary motor cortex (M1) of both hemispheres. One way PMd and PMv could play distinct roles for hand movements is by differently modulating the outputs of M1. Yet, patterns of effects from PMd and PMv on the outputs of M1 have not been systematically compared. Our goals were to study how PMd within the same (i...
May 23, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28535124/serum-creatinine-and-cystatin-c-provide-conflicting-evidence-of-acute-kidney-injury-following-acute-ingestion-of-potassium-permanganate-and-oxalic-acid
#19
Thilini Madushanka Wijerathna, Indika Bandara Gawarammana, Dhammika Menike Dissanayaka, Chathura Palanagasinghe, Fathima Shihana, Gihani Dassanayaka, Seyed Shahmy, Zoltan Huba Endre, Fahim Mohamed, Nicholas Alan Buckley
AIM: Acute kidney injury (AKI) is common following deliberate self-poisoning with a combination washing powder containing oxalic acid (H2C2O4) and potassium permanganate (KMnO4). Early and rapid increases in serum creatinine (sCr) follow severe poisoning. We investigated the relationship of these increases with direct nephrotoxicity in an ongoing multicenter prospective cohort study in Sri Lanka exploring AKI following poisoning. METHODS: Multiple measures of change in kidney function were evaluated in 48 consenting patients who had serial sCr and serum cystatin C (sCysC) data available...
May 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28533931/altered-expression-of-c-kit-and-nanog-in-a-rat-model-of-adriamycin-induced-chronic-heart-failure
#20
Shuo Li, Kang Guo, Junfang Wu, Zhikun Guo, Airong Li
A small number of cardiac stem cells that express the c-Kit and Nanog biomarkers can be differentiated into myocardial cells, which suggests that these stem cells may be able to repair damage and provide an internal reserve for tissue regeneration. It is unknown, however, whether the levels of myocardial stem cells are altered after heart failure (HF), and whether HF affects the myocardial regenerative ability. In this study, to address this question, we developed a rat model of chronic HF induced by Adriamycin, and examined the morphological changes in c-Kit and Nanog-expressing stem cells in heart tissue of normal and HF rats...
2017: American Journal of Cardiovascular Disease
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