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Neck muscles

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https://www.readbyqxmd.com/read/28214618/deep-neck-flexor-endurance-in-the-adolescent-and-young-adult-normative-data-and-associated-attributes
#1
Nathan F Jarman, Toby Brooks, C Roger James, Troy Hooper, Mark Wilhelm, Jean-Michel Brismée, Manuel A Domenech, Stanley J Kotara, Phillip S Sizer
BACKGROUND: Deep neck flexor (DNF) muscles stabilize the neck and contribute to head acceleration control. The function of DNF in cervical spine dynamic stabilization has not been examined in athletes of any age group, including adolescents. This investigation was necessary prior to studying the DNF muscles' role in cervical spine injury patterns. OBJECTIVES: (1) To determine average Deep Neck Flexor Endurance Test (DNFET) time scores in high school and university-aged subjects (ages 14-22); and (2) To establish the relationship between gender and age for adolescent DNFET time scores...
February 15, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28207658/association-between-paraspinal-muscle-morphology-clinical-symptoms-and-functional-status-in-patients-with-degenerative-cervical-myelopathy
#2
Maryse Fortin, Octavian Dobrescu, Matthew Courtemanche, Carolyn J Sparrey, Carlo Santaguida, Michael G Fehlings, Michael H Weber
STUDY DESIGN: A cross-sectional study. OBJECTIVE: The aim of this study was to assess fatty infiltration and asymmetry of the multifidus (MF), semispinalis cervicis (SCer), semispinalis capitis (SCap), and splenius capitis (SPL) muscles in patients with degenerative cervical myelopathy (DCM), and evaluate their correlations with clinical symptoms and functional scores. SUMMARY OF BACKGROUND DATA: Cervical muscle alterations have been reported in patients with chronic neck pain, but the assessment of cervical muscle morphology has been overlooked in patients with DCM...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28196279/effect-of-head-lift-exercise-on-kinematic-motion-of-the-hyolaryngeal-complex-and-aspiration-in-patients-with-dysphagic-stroke
#3
J S Park, N K Hwang, D H Oh, M Y Chang
The head lift exercise (HLE) is a head-raising workout performed in a supine position. This exercise facilitates activation of the submental muscles located above the hyoid bone in front of the neck. HLE is a potential method to improve the movement of the hyolaryngeal movement and swallowing functions. The purpose of this study was to investigate the effect of HLE on the hyolaryngeal movement and aspiration in patients with dysphagic stroke. A total of 27 patients with stroke were randomly assigned either into the experimental (n=13) or the control group (n=14)...
February 14, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28195345/in-vivo-measurements-of-human-neck-skin-elasticity-using-mri-and-finite-element-modeling
#4
Yunqiang An, Changjin Ji, Yong Li, Jianxia Wang, Xinyue Zhang, Yaqi Huang
PURPOSE: The assessment of mechanical properties of the human skin is very important in investigating the mechanism of obstructive sleep apnea, a common disorder characterized by repetitive collapse and obstruction of the upper airway during sleep. In this study, a unique method, combining magnetic resonance imaging (MRI) and finite element modeling (FEM), was developed to obtain the value of the in vivo elastic modulus of the neck skin. MEHTHOD: A total of 22 subjects, 16 males and 6 females, were recruited to participate in the MRI studies...
February 13, 2017: Medical Physics
https://www.readbyqxmd.com/read/28194796/the-utility-of-the-musculocutaneous-anterolateral-thigh-flap-in-pharyngolaryngeal-reconstruction-in-the-high-risk-patient
#5
Adrian S H Ooi, Chad M Teven, Amir Inbal, David W Chang
BACKGROUND AND OBJECTIVES: Prior radiotherapy leads to increased wound complication rates for microsurgical reconstruction of pharyngolaryngeal (PL) defects. Incorporating vastus lateralis muscle together with anterolateral thigh flap (ALT) skin in defect reconstruction is useful in protecting vital structures and reinforcing irradiated neck skin and suture lines. This study shows the utility of the musculocutaneous ALT (MC ALT) in PL reconstruction in previously irradiated patients. METHODS: A single-surgeon, retrospective chart review of all patients with defects of the PL region where an MC ALT was used for reconstruction from February 2014 to May 2016...
February 14, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28194135/inaccurate-saccades-and-enhanced-vestibulo-ocular-reflex-suppression-during-combined-eye-head-movements-in-patients-with-chronic-neck-pain-possible-implications-for-cervical-vertigo
#6
Janine L Johnston, Pierre M Daye, Glen T D Thomson
BACKGROUND: The primate ocular motor system is designed to acquire peripheral targets of interest by coordinating visual, vestibular, and neck muscle activation signals. The vestibulo-ocular reflex (VOR) is greatly reduced at the onset of large eye-head (gaze) saccades and resumes before the end of the saccades to stabilize eye-in-orbit and ensure accurate target acquisition. Previous studies have relied on manipulating head movements in normal individuals to study VOR suppression and gaze kinematics...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28193127/relations-between-the-results-of-complex-clinical-and-neurophysiological-examinations-in-patients-with-temporomandibular-disorders-symptoms
#7
Anna Sójka, Juliusz Huber, Wiesław Hędzelek, Agnieszka Wiertel-Krawczuk, Agnieszka Szymankiewicz-Szukała, Agnieszka Seraszek-Jaros, Aleksandra Kulczyk, Agnieszka Wincek, Magdalena Sobieska
OBJECTIVE: Reinvestigation of clinical importance of surface electromyography recordings (sEMG) from the masticatory, neck and shoulder girdle muscles in patients with various clinically detected temporomandibular disorders (TMDs). METHODS: Fifty women with myalgia diagnosis of Axis I DC/TMD and the same number of healthy female volunteers were studied clinically and neurophysiologically by means of sEMG. RESULTS: Unilateral more than bilateral complex symptoms of TMDs were related to the non-neurogenic masticatory rather than neck and shoulder girdle muscles dysfunctions at rest...
February 14, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28192488/does-dystonic-muscle-activity-affect-sense-of-effort-in-cervical-dystonia
#8
Loïc Carment, Marc A Maier, Sophie Sangla, Vincent Guiraud, Serge Mesure, Marie Vidailhet, Påvel G Lindberg, Jean-Pierre Bleton
BACKGROUND: Focal dystonia has been associated with deficient processing of sense of effort cues. However, corresponding studies are lacking in cervical dystonia (CD). We hypothesized that dystonic muscle activity would perturb neck force control based on sense of effort cues. METHODS: Neck extension force control was investigated in 18 CD patients with different clinical features (7 with and 11 without retrocollis) and in 19 control subjects. Subjects performed force-matching and force-maintaining tasks at 5% and 20% of maximum voluntary contraction (MVC)...
2017: PloS One
https://www.readbyqxmd.com/read/28191601/the-maxillary-artery-and-its-variants-an-anatomical-study-with-neurosurgical-applications
#9
Jorge E Alvernia, Joaquin Hidalgo, Marc P Sindou, Chad Washington, Gustavo Luzardo, Eddie Perkins, Remi Nader, Patrick Mertens
BACKGROUND: The maxillary artery (MA) has gained attention in neurosurgery particularly in cerebral revascularization techniques, intracranial endonasal approaches and endovascular procedures. OBJECTIVES: To describe and illustrate the anatomy of the MA and its neurosurgical importance in a detailed manner. METHODS: Six cadaveric heads (12 MAs) were injected with latex. The arteries and surrounding structures were dissected and studied using microsurgical techniques...
February 13, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28191379/functional-and-aesthetic-recovery-of-congenital-muscular-torticollis-with-intramuscular-stromal-vascular-fraction-enriched-fat-grafting
#10
Juan Monreal
Congenital muscular torticollis is a well-known pathological condition caused by the contracture and shortening of the sternocleidomastoid muscle. This condition is manifested by a neck postural deformity often accompanied by some kind of facial asymmetry. Once diagnosed, treatment by early physiotherapy is generally successful in a high percentage of patients if performed during the first year of life. Later, especially after the fourth year, conservative treatment is usually far less effective, and surgical techniques remain the only way to improve neck contour and function...
January 12, 2017: Curēus
https://www.readbyqxmd.com/read/28182637/comprehensive-target-capture-next-generation-sequencing-as-a-second-tier-diagnostic-approach-for-congenital-muscular-dystrophy-in-taiwan
#11
Wen-Chen Liang, Xia Tian, Chung-Yee Yuo, Wan-Zi Chen, Tsu-Min Kan, Yi-Ning Su, Ichizo Nishino, Lee-Jun C Wong, Yuh-Jyh Jong
PURPOSE: Congenital muscular dystrophy (CMD) is a heterogeneous disease entity. The detailed clinical manifestation and causative gene for each subgroup of CMD are quite variable. This study aims to analyze the phenotypes and genotypes of Taiwanese patients with CMD as the epidemiology of CMD varies among populations and has been scantly described in Asia. METHODS: A total of 48 patients suspected to have CMD were screened and categorized by histochemistry and immunohistochemistry studies...
2017: PloS One
https://www.readbyqxmd.com/read/28177166/splenius-capitis-is-a-reliable-target-for-measuring-cervical-vestibular-evoked-myogenic-potentials-in-adults
#12
A J Camp, C Gu, S L Cushing, K A Gordon, B D Corneil
The cervical vestibular evoked myogenic potential (cVEMP) is a common and simple test of vestibulospinal reflex patency. In the clinic, cVEMPs are measured in response to loud sounds from the sternocleidomastoid (SCM) on the ventral neck, as subjects maintain an uncomfortable head posture needed to recruit SCM. Here we characterize the cVEMP in a dorsal neck turner (Splenius Capitis; SPL), and compare it with the SCM cVEMP. cVEMPs were recorded simultaneously via surface electromyography from SCM and SPL from 17 healthy subjects in a variety of postures, including head-turned postures adopted while either seated or standing, and the clinical posture...
February 8, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28176235/randomized-double-blind-crossover-study-comparing-dfn-11-injection-3%C3%A2-mg-subcutaneous-sumatriptan-with-6%C3%A2-mg-subcutaneous-sumatriptan-for-the-treatment-of-rapidly-escalating-attacks-of-episodic-migraine
#13
Roger K Cady, Sagar Munjal, Ryan J Cady, Heather R Manley, Elimor Brand-Schieber
BACKGROUND: A 6-mg dose of SC sumatriptan is the most efficacious and fast-acting acute treatment for migraine, but a 3-mg dose of SC sumatriptan may improve tolerability while maintaining efficacy. METHODS: This randomized, double-blind, crossover study compared the efficacy and tolerability of 3 mg subcutaneous (SC) sumatriptan (DFN-11) with 6 mg SC sumatriptan in 20 adults with rapidly-escalating migraine attacks. Eligible subjects were randomized (1:1) to treat 1 attack with DFN-11 and matching placebo autoinjector consecutively or 2 DFN-11 autoinjectors consecutively and a second attack similarly but with the alternative dose (3 mg or 6 mg)...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28169093/subjective-and-objective-voice-assessments-after-recurrent-laryngeal-nerve-preserved-total-thyroidectomy
#14
Chariton E Papadakis, Panagiota Asimakopoulou, Efklidis Proimos, George Perogamvrakis, Effrosyni Papoutsaki, Theognosia Chimona
OBJECTIVES: This study aims to investigate early voice changes after total thyroidectomy, to assess the improved parameters in intermediate postoperative intervals, to evaluate the effect of age on voice after thyroidectomy, and to determine the correlation between the objective and the subjective method outcomes. STUDY DESIGN: This is a prospective, nonrandomized study. MATERIALS AND METHODS: One hundred ninety-one participants, divided into two age groups, underwent three full voice assessments (preoperatively and 1 and 8 weeks after thyroidectomy) by means of videostroboscopy, perceptual evaluation, acoustic analysis, aerodynamic evaluation, and a self-evaluation questionnaire...
February 3, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28168080/the-femoral-neck-mechanoresponse-to-hip-extensors-exercise-a-case-study
#15
Saulo Martelli, Hossein Mokhtarzadeh, Peter Pivonka, Peter R Ebeling
Physical activity is recommended to prevent age-related bone loss. However, the proximal femur mechanoresponse is variable, possibly because of a muscle-dependant mechanoresponse. We compared the proximal femur response with the femoral strain pattern generated by the hip extensor muscles. A healthy participant underwent a six-month unilateral training of the hip extensor muscles using a resistance weight regularly adjusted to the 80% of the one-repetition maximum weight. DXA-based measurements of the areal Bone Mineral Density (aBMD) in the exercise leg were adjusted for changes in the control leg...
2017: Journal of Osteoporosis
https://www.readbyqxmd.com/read/28167971/glucose-metabolic-changes-in-the-brain-and-muscles-of-patients-with-nonspecific-neck-pain-treated-by-spinal-manipulation-therapy-a-18-f-fdg-pet-study
#16
Akie Inami, Takeshi Ogura, Shoichi Watanuki, Md Mehedi Masud, Katsuhiko Shibuya, Masayasu Miyake, Rin Matsuda, Kotaro Hiraoka, Masatoshi Itoh, Arlan W Fuhr, Kazuhiko Yanai, Manabu Tashiro
Objective. The aim of this study was to investigate changes in brain and muscle glucose metabolism that are not yet known, using positron emission tomography with [(18)F]fluorodeoxyglucose ([(18)F]FDG PET). Methods. Twenty-one male volunteers were recruited for the present study. [(18)F]FDG PET scanning was performed twice on each subject: once after the spinal manipulation therapy (SMT) intervention (treatment condition) and once after resting (control condition). We performed the SMT intervention using an adjustment device...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28167302/characterization-of-neck-strength-in-healthy-young-adults
#17
Eva Catenaccio, Weiya Mu, Atira Kaplan, Roman Fleysher, Namhee Kim, Tamar Bachrach, Malka Zughaft Sears, Oren Jaspan, Jaclyn Caccese, Mimi Kim, Mark Wagshul, Walter F Stewart, Richard B Lipton, Michael L Lipton
BACKGROUND: The role of cervical muscle (neck) strength in traumatic brain and spine injury and chronic neck pain disorders is an area of active research. Characterization of the normal ranges of neck strength in healthy young adults is essential to designing future investigations of how strength may act as a modifier for risk and progression in head and neck disorders. OBJECTIVE: To develop a normative reference database of neck strength in a healthy young adult population; and to evaluate the relationship of neck strength to anthropometric measurements...
February 3, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28167166/effect-of-exams-period-on-prevalence-of-myofascial-trigger-points-and-head-posture-in-undergraduate-students-repeated-measurements-study
#18
Leonid Kalichman, Natalie Bulanov, Aryeh Friedman
BACKGROUND: Myofascial Trigger points (MTrPs) may be caused or aggravated by many factors, such as mental stress associated with exams and impaired posture. AIM: To compare the prevalence and sensitivity of MTrPs, and forward head position (FHP) during exam period vs. mid-semester among physical therapy students. METHODS: 39 physical therapy students were palpated for MTrPs in neck and shoulder muscles and were photographed laterally for FHP measurement during the academic semester and during the academic examination period...
January 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28166894/the-influence-of-a-semi-reclined-seated-posture-on-head-and-neck-kinematics-and-muscle-activity-while-reading-a-tablet-computer
#19
Ethan C Douglas, Kaitlin M Gallagher
Increased tablet computer usage calls for a proper understanding of potential injury risks from these devices. The purpose of this study was to assess the influence of tablet computer reading postures on head and neck flexion and muscle activity. Nineteen participants completed read a tablet computer in four different postures (standard computer monitor, tablet on a desk, tablet in the lap, semi-reclined with tablet in the lap). Reading the tablet in a semi-reclined trunk posture with the tablet in one's lap increased (p < 0...
April 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28162053/cell-and-growth-factor-loaded-keratin-hydrogels-for-treatment-of-volumetric-muscle-loss-vml-in-a-mouse-model
#20
Hannah B Baker, Juliana A Passipieri, Mevan Siriwardane, Mary Ellenburg, Manasi Vadhavkar, Christopher R Bergman, Justin M Saul, Seth Tomblyn, Luke Burnett, George Joseph Christ
Wounds to the head, neck and extremities have been estimated to account for ~84% of reported combat injuries to military personnel. Volumetric muscle loss (VML), defined as skeletal muscle injuries in which tissue loss results in permanent functional impairment, are common among these injuries. The present standard of care entails the use of muscle flap transfers, which suffer from the need for additional surgery when using autografts or the risk of rejection when cadaveric grafts are used. Tissue engineering (TE) strategies for skeletal muscle repair have been investigated as a means to overcome current therapeutic limitations...
February 4, 2017: Tissue Engineering. Part A
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