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https://www.readbyqxmd.com/read/29033603/application-of-the-chronic-constriction-injury-of-the-partial-sciatic-nerve-model-to-assess-acupuncture-analgesia
#1
Mu-Jun Zhi, Kun Liu, Zhou-Li Zheng, Xun He, Tie Li, Guang Sun, Meng Zhang, Fu-Chun Wang, Xin-Yan Gao, Bing Zhu
PURPOSE: To validate and explore the application of a rat model of chronic constriction injury to the partial sciatic nerve in investigation of acupuncture analgesia. METHODS: Chronic constriction injury of the sciatic nerve (CCI) and chronic constriction injury of the partial sciatic nerve (CCIp) models were generated by ligating either the sciatic nerve trunk or its branches in rats. Both models were evaluated via paw mechanical withdrawal latency (PMWL), paw mechanical withdrawal threshold (PMWT), nociceptive reflex-induced electromyogram (C-fiber reflex EMG), and dorsal root ganglion immunohistochemistry...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29032593/association-analysis-of-the-actn3-r577x-polymorphism-with-passive-muscle-stiffness-and-muscle-strain-injury
#2
Naokazu Miyamoto, Eri Miyamoto-Mikami, Kosuke Hirata, Noriko Kimura, Noriyuki Fuku
Passive muscle stiffness is considered to be a major factor affecting joint flexibility and is thought to relate to the occurrence of muscle strain injury. In skinned muscle fiber experiments, the R577X polymorphism of the α-actinin-3 gene (ACTN3) has been associated with passive muscle stiffness. Our primary purpose was to clarify whether the ACTN3 R577X polymorphism influences passive stiffness of human muscle in vivo. We also examined whether the ACTN3 R577X polymorphism is associated with the occurrence of hamstring strain injury...
October 15, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29029335/cortical-reorganization-in-dual-innervation-by-single-peripheral-nerve
#3
Mou-Xiong Zheng, Yun-Dong Shen, Xu-Yun Hua, Ao-Lin Hou, Yi Zhu, Wen-Dong Xu
BACKGROUND: Functional recovery after peripheral nerve injury and repair is related with cortical reorganization. However, the mechanism of innervating dual targets by 1 donor nerve is largely unknown. OBJECTIVE: To investigate the cortical reorganization when the phrenic nerve simultaneously innervates the diaphragm and biceps. METHODS: Total brachial plexus (C5-T1) injury rats were repaired by phrenic nerve-musculocutaneous nerve transfer with end-to-side (n = 15) or end-to-end (n = 15) neurorrhaphy...
September 21, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29027683/ultrasonographic-measurement-of-the-biceps-femoris-long-head-muscle-architecture
#4
Sandro R Freitas, João Marmeleira, Maria João Valamatos, Anthony Blazevich, Pedro Mil-Homens
OBJECTIVES: Biceps femoris long-head architectural assessment using ultrasonography (US) has not been previously described in detail for both acquisition (image capture) and digitization (image measurement) processes, and the effect of the US window width is unknown. This study aimed to describe the reliability and test-retest minimum detectable difference of US-based biceps femoris architectural measurements. METHODS: Muscle length was determined by marking the muscle-tendon junction distances...
October 13, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29027640/the-utility-of-botulinum-toxin-a-in-the-repair-of-distal-biceps-tendon-ruptures
#5
L S Khalil, R A Keller, N Mehran, N E Marshall, K Okoroha, N B Frisch, S P DeSilva
PURPOSE: The purpose of our study is to report the outcomes and complications in patients who underwent distal biceps tendon repair with the use of Botulinum toxin A (BoNT-A) as an adjunct to surgery. METHODS: A retrospective review of 14 patients who underwent 15 distal biceps tendon repairs was performed. All repaired tendons had their correlating muscle bellies injected intraoperatively with a mixture of 100U of BoNT-A and 10 ml of normal saline. Each patient was evaluated for surgical and post-operative complications and followed with Disabilities of the Arm, Shoulder and Hand (DASH) Disability Scores...
October 13, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/29023324/the-physical-response-to-a-simulated-period-of-soccer-specific-fixture-congestion
#6
Richard M Page, Kelly Marrin, Chris M Brogden, Matt Greig
The aim of this study was to assess the physiological, perceptual, and mechanical measures associated with the completion of a simulated period of short-term soccer-specific fixture congestion. Ten male semi-professional soccer players completed three trials of a treadmill-based match simulation, with 48 hours intervening each trial. A repeated measures general linear model identified significantly (P= 0.02) lower knee flexor peak torque (PT) recorded at 300 degs[BULLET OPERATOR]s in the second (141.27 ± 28...
October 10, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29022806/single-incision-distal-biceps-tendon-repair-using-spinal-retractors-to-achieve-optimum-exposure
#7
D Burchette, A Avasthi, J Phadnis
No abstract text is available yet for this article.
September 13, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29021905/the-waterpolo-shoulder-paradigm-results-of-ultrasound-surveillance-at-poolside
#8
Felice Galluccio, Eleonora Bellucci, Francesco Porta, Lorenzo Tofani, Amato De Paulis, Diana Bianchedi, Tatiana Barskova, Marco Matucci-Cerinic
BACKGROUND: Waterpolo consists of a combination of swimming and throwing with close contact between players. The shoulder is the most frequently injured joint, with a combination of rotator cuff tear and tendinopathy, long head biceps tendinopathy, superior labral lesions and shoulder impingement. This unique combination is a challenge for the clinician who must determine which of these shoulder pathologies is responsible for the onset of pain and the best strategy to rehabilitate the joint and prevent recurrence...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29018890/-magnetic-resonance-imaging-findings-after-shoulder-surgery-what-the-radiologist-needs-to-know
#9
REVIEW
U L Fahlenkamp, C Gerhardt, K-G A Hermann
Even primary diagnostic evaluation of the shoulder is a challenge for radiologists. Many imaging findings that definitely indicate abnormal findings in the untreated shoulder should be evaluated carefully in postoperative patients. Artifacts caused by implants or metal abrasion pose considerable problems in postoperative magnetic resonance imaging (MRI). Classic approaches to minimizing artifacts caused by foreign bodies include using turbo spin echo sequences, increasing bandwidth, and reducing voxel size...
October 10, 2017: Der Radiologe
https://www.readbyqxmd.com/read/29018839/clinical-assessment-of-physical-examination-maneuvers-for-superior-labral-anterior-to-posterior-lesions
#10
Lyndsay E Somerville, Kevin Willits, Andrew M Johnson, Robert Litchfield, Marie-Eve LeBel, Jaydeep Moro, Dianne Bryant
Purpose  Shoulder pain and disability pose a diagnostic challenge owing to the numerous etiologies and the potential for multiple disorders to exist simultaneously. The evidence to support the use of clinical tests for superior labral anterior to posterior complex (SLAP) is weak or absent. The purpose of this study is to determine the diagnostic validity of physical examination maneuvers for SLAP lesions by performing a methodologically rigorous, clinically applicable study. Methods  We recruited consecutive new shoulder patients reporting pain and/or disability...
October 2017: Surg J (N Y)
https://www.readbyqxmd.com/read/29016616/a-meta-analysis-comparing-tenotomy-and-tenodesis-for-treating-rotator-cuff-tears-combined-with-long-head-of-the-biceps-tendon-lesions
#11
Xiliang Shang, Jiwu Chen, Shiyi Chen
PURPOSE: The purpose of this meta-analysis was to assess whether there were differences in the outcomes between tenotomy and tenodesis in treating LHBT lesions combined with rotator cuff repairs. METHODS: Using Medline, Embase, and Cochrane, we searched for articles comparing tenotomy and tenodesis combined with rotator cuff repair which were published before April 2016 with the terms "biceps", "tenotomy", "tenodesis", and "rotator cuff". The controlled clinical studies that met the inclusion and exclusion criteria were assessed for quality of methodology by utilizing the Coleman score...
2017: PloS One
https://www.readbyqxmd.com/read/28990683/the-effect-of-unit-depth-and-probe-load-on-the-reliability-of-muscle-shear-wave-elastography-variables-affecting-reliability-of-swe
#12
Abdulrahman M Alfuraih, Philip O'Connor, Elizabeth Hensor, Ai Lyn Tan, Paul Emery, Richard J Wakefield
PURPOSE: There is currently no standardized method for muscle shear wave elastography (SWE). The objective of this study was to investigate the effect of unit of measurement, depth, and probe load on the reliability of muscle SWE. METHODS: The vastus lateralis, biceps femoris, biceps brachii, and abductor digiti minimi muscles were scanned on 20 healthy participants. The SWE readings were measured in shear wave velocity (m/s) and Young's modulus (kPa). Three acquisitions of varying depths were acquired from vastus lateralis...
October 9, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28990228/influence-of-outdoor-rearing-and-oleic-acid-supplementation-on-lipid-characteristics-of-muscle-and-adipose-tissues-from-obese-alentejano-pigs
#13
J M Martins, A Albuquerque, J A Neves, A B Freitas, R Charneca, J L Tirapicos
Data evaluating the effect of oleic-acid-enriched diets and outdoor rearing (with access to pasture) on the quality of Alentejano (AL) pork and fat are limited. The aim of this work was to study the effects of feeding low (LO) or high oleic acid (HO) diets to AL pigs reared in individual pens (IND) or outdoors (OUT) with access to pasture. Biceps femoris and dorsal subcutaneous fat (DSF) samples were collected to analyse chemical composition and lipids fatty acid (FA) profile. The expression of seven genes involved in lipogenesis, lipolysis and FA transport, as well as two transcription factors were also evaluated in the muscle...
October 8, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28988554/reduced-satellite-cell-density-and-myogenesis-in-wagyu-compared-with-angus-cattle-as-a-possible-explanation-of-its-high-marbling
#14
X Fu, Q Yang, B Wang, J Zhao, M Zhu, S M Parish, M Du
Mechanisms responsible for excellent marbling in Japanese black cattle, Wagyu, remain to be established. Because both muscle cells and intramuscular adipocytes are developed from mesenchymal progenitor cells during early muscle development, we hypothesized that intramuscular progenitor cells in Wagyu cattle have attenuated myogenic capacity in favor of adipogenesis, leading to high marbling but reduced muscle growth. Biceps femoris muscle biopsy samples were obtained from both Angus (n=3) and Wagyu (n=3) cattle at 12 months of age...
October 9, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28983764/effect-of-patient-age-on-accuracy-of-primary-mri-signs-of-long-head-of-biceps-tearing-and-instability-in-the-shoulder-an-mri-arthroscopy-correlation-study
#15
Camilo G Borrero, Joanna Costello, Marnie Bertolet, Dharmesh Vyas
OBJECTIVE: To determine the effect of patient age on the accuracy of primary MRI signs of long head of biceps (LHB) tendon tearing and instability in the shoulder using arthroscopy as a reference standard. MATERIALS AND METHODS: Subjects with MRI studies and subsequent arthroscopy documenting LHB tendon pathology were identified and organized into three age groups (18-40, 41-60, 61-87). Normal and tendinopathic tendons were labeled grade 0, partial tears grade 1 and full tears grade 2...
October 6, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28980702/detection-of-generalized-tonic-clonic-seizures-using-surface-electromyographic-monitoring
#16
Jonathan J Halford, Michael R Sperling, Dileep R Nair, Dennis J Dlugos, William O Tatum, Jay Harvey, Jacqueline A French, John R Pollard, Edward Faught, Katherine H Noe, Thomas R Henry, Gina M Jetter, Octavian V Lie, Lola C Morgan, Michael R Girouard, Damon P Cardenas, Luke E Whitmire, Jose E Cavazos
OBJECTIVE: A prospective multicenter phase III trial was undertaken to evaluate the performance and tolerability in the epilepsy monitoring unit (EMU) of an investigational wearable surface electromyographic (sEMG) monitoring system for the detection of generalized tonic-clonic seizures (GTCSs). METHODS: One hundred ninety-nine patients with a history of GTCSs who were admitted to the EMU in 11 level IV epilepsy centers for clinically indicated video-electroencephalographic monitoring also received sEMG monitoring with a wearable device that was worn on the arm over the biceps muscle...
October 5, 2017: Epilepsia
https://www.readbyqxmd.com/read/28979211/maximal-voluntary-activation-of-the-elbow-flexors-is-under-predicted-by-transcranial-magnetic-stimulation-compared-to-motor-point-stimulation-prior-to-and-following-muscle-fatigue
#17
Edward W J Cadigan, Brandon W Collins, Devin T G Philpott, Garreth Kippenhuck, Mitchell Brenton, Duane C Button
Transcranial magnetic (TMS) and motor point stimulation have been used to determine voluntary activation (VA). However, very few studies have directly compared the two stimulation techniques for assessing VA of the elbow flexors. The purpose of this study was to compare TMS and motor point stimulation for assessing VA in non-fatigued and fatigued elbow flexors. Participants performed a fatigue protocol that included twelve, 15 s isometric elbow flexor contractions. Participants completed a set of isometric elbow flexion contractions at 100, 75, 50, and 25% of maximum voluntary contraction (MVC) prior to and following fatigue contractions 3, 6, 9, and 12 and 5 and 10 min post-fatigue...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28970991/long-biceps-subpectoral-tenodesis-with-suspensory-button-and-bicortical-fixation
#18
Nuno Gomes, Manuel Ribeiro da Silva, Helder Pereira, Ricardo Aido, Ricardo Sampaio
Tenodesis of the long head of the biceps (LHB) tendon has long been recognized as a valid alternative to address pathologic conditions of this tendon. However, the location and type of fixation is still a matter of discussion, because common complications associated with this procedure include failure of the repair, persistent pain, reaction to the fixation device, cosmetic deformity, and fracture. The authors describe a method of subpectoral LHB tenodesis that aims to preserve bone stock and allows a strong, easy, and reproducible type of fixation with a minimal approach...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28970990/subpectoral-biceps-tenodesis-using-an-expanding-peek-device
#19
Joseph C Tauro, Matthew Moralle, Stephen Iacono
In this Technical Note, we describe a method of mini-open long head biceps subpectoral tenodesis. The implant used is a threadless expanding PEEK (polyether ether ketone) interference device that fixes the biceps tendon in a drill hole in the humerus under the inferior border of the pectoralis major tendon. The diameter of the drill hole varies between 6 and 8 mm depending on the width of the tendon. The procedure can be performed through a 3-cm incision centered on the inferior border of the pectoralis tendon...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28970977/single-incision-anatomic-repair-technique-for-distal-biceps-tendon-rupture-using-tunneling-device
#20
Jon E Hammarstedt, David D Savin, Benjamin A Goldberg
Distal biceps tendon ruptures are uncommon and generally occur in men aged 30 to 50 years in their dominant arm as a result of a strong eccentric load. Numerous surgical exposures and methods of fixation exist for repair of a ruptured distal biceps tendon. The goal of surgical management is to restore the anatomic footprint of the biceps tendon on the radial tuberosity to maximize flexion strength, supination strength, and muscle endurance. When compared with 2-incision repair techniques, single-incision repairs historically may not have restored the anatomic footprint of the distal biceps...
August 2017: Arthroscopy Techniques
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