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https://www.readbyqxmd.com/read/28095102/electromyographic-analysis-of-gluteus-maximus-and-hamstring-activity-during-the-supine-resisted-hip-extension-exercise-versus-supine-unilateral-bridge-to-neutral
#1
James W Youdas, James P Hartman, Brooke A Murphy, Ashley M Rundle, Jenna M Ugorowski, John H Hollman
Hip extension strengthening exercises which maximize gluteus maximus contributions and minimize hamstring influences may be beneficial for persons with hip pain. This study's aim was to compare muscle activation of the gluteus maximus and hamstrings from healthy subjects during a supine resisted hip extension exercise versus supine unilateral bridge to neutral. Surface electromyographic (EMG) signals were obtained from the right gluteus maximus and hamstrings in 13 healthy male and 13 healthy female subjects...
January 17, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28066748/the-use-of-platelet-rich-plasma-to-augment-conservative-and-surgical-treatment-of-hip-and-pelvic-disorders
#2
REVIEW
Matthew J Kraeutler, Tigran Garabekyan, Omer Mei-Dan
BACKGROUND: In recent years, platelet-rich plasma (PRP) has gained popularity within the orthopaedic community as a treatment modality to enhance tissue healing. PURPOSE: This review aims to concisely present the current indications for PRP injections in the treatment of hip and pelvic pathologies and to describe some novel applications for PRP which have not yet been reported in the literature. METHODS: We reviewed the literature on the non-operative and operative indications for PRP in the treatment of hip and pelvic pathologies...
July 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28058477/elastofibroma-of-the-gluteal-region-with-a-concomitant-contralateral-lesion-case-report-and-review-of-the-literature
#3
Luca Cevolani, R Casadei, D Vanel, M Gambarotti, D Donati
A 51-year-old man presented with elastofibroma (EF) of the gluteal region with a concomitant contralateral lesion. The patient presented with a slow growing mass of the proximal third of the right buttock and had swelling, discomfort in sitting, and right-hip pain during walking for 2 months. On MRI, a soft-tissue mass was noted between the gluteus maximus and the gluteus medius muscle. The mass showed similar signal intensity to the surrounding tissue on T1- and T2-weighted images and with linear hyperintense areas in its internal structure...
January 5, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28056670/electromyographic-comparison-of-conventional-machine-strength-training-versus-bodyweight-exercises-in-patients-with-chronic-stroke
#4
Jonas Vinstrup, Joaquin Calatayud, Markus D Jakobsen, Emil Sundstrup, Kenneth Jay, Mikkel Brandt, Peter Zeeman, Jørgen R Jørgensen, Lars L Andersen
OBJECTIVE: To investigate whether bodyweight exercises can induce comparable levels of muscle activity as conventional machine exercises in chronic stroke patients. METHODS: Eighteen patients performed three repetitions of bilateral- and unilateral machine leg press and the bodyweight exercises chair rise and hip thrust. Surface electromyography (EMG) was recorded from 10 lower extremity muscles and normalized to maximal EMG (nEMG) of the non-paretic leg. RESULTS: For the paretic leg, the bodyweight exercises showed comparable levels of nEMG in 6 out of 10 muscles compared with the bilateral leg press...
January 6, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28054563/joint-qtl-mapping-and-gene-expression-analysis-identify-positional-candidate-genes-influencing-pork-quality-traits
#5
Rayner González-Prendes, Raquel Quintanilla, Angela Cánovas, Arianna Manunza, Tainã Figueiredo Cardoso, Jordi Jordana, José Luis Noguera, Ramona N Pena, Marcel Amills
Meat quality traits have an increasing importance in the pig industry because of their strong impact on consumer acceptance. Herewith, we have combined phenotypic and microarray expression data to map loci with potential effects on five meat quality traits recorded in the longissimus dorsi (LD) and gluteus medius (GM) muscles of 350 Duroc pigs, i.e. pH at 24 hours post-mortem (pH24), electric conductivity (CE) and muscle redness (a*), lightness (L*) and yellowness (b*). We have found significant genome-wide associations for CE of LD on SSC4 (~104 Mb), SSC5 (~15 Mb) and SSC13 (~137 Mb), while several additional regions were significantly associated with meat quality traits at the chromosome-wide level...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28048079/mo-de-207b-02-assessment-and-localization-of-aggressiveness-in-prostate-cancer-using-dynamic-contrast-enhanced-mri
#6
N A Parra, F Chinea, S Punnen, M Abramowitz, A Pollack, R Stoyanova
PURPOSE: To automatically assess prostate cancer aggressiveness and to map areas of high risk based on quantitative features from Dynamic Contrast Enhanced-MRI (DCE-MRI). METHODS: Fifty-seven patients with DCE-MRI acquired on 3T Discovery MR750 GE were retrospectively analyzed. Prostate, peripheral zone (PZ) and gluteus maximus (DCEGM) were manually contoured. Unsupervised pattern recognition was used to decompose the DCE data in prostate as the product W.H of k weight maps W and k patterns H, k=3...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046183/pork-loin-quality-is-not-indicative-of-fresh-belly-or-fresh-and-cured-ham-quality
#7
E K Arkfeld, K B Wilson, M F Overholt, B N Harsh, J E Lowell, E K Hogan, B J Klehm, B M Bohrer, D A Mohrhauser, D A King, T L Wheeler, A C Dilger, S D Shackelford, D D Boler
The objective was to characterize the relationship between fresh loin quality with fresh belly or fresh and cured ham quality. Pigs raised in 8 barns representing 2 seasons [cold ( = 4,290) and hot ( = 3,394)] and 2 production focuses [lean ( = 3,627) and quality ( = 4,057)] were used. Carcass characteristics and other meat quality data were collected on 7,684 carcasses. All of the carcasses were evaluated for HCW, LM depth, tenth rib fat depth, leg (ham primal) weight, instrumental color on the gluteus medius and gluteus profundus of the ham face, and subjective loin quality...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28039889/sonoanatomy-and-pathology-of-the-posterior-band-of-the-gluteus-medius-tendon
#8
Douglas F Hoffman, Jay Smith
Greater trochanteric pain syndrome is a common clinical entity that most often results from disorders of the gluteus medius tendon. There are two distinct bands of the gluteus medius tendon, and abnormalities may affect the anterior or posterior band in isolation or simultaneously. Although abnormalities of the anterior band are more common, awareness and sonographic detection of posterior band abnormalities is essential to guide treatment in the setting of greater trochanteric pain syndrome.
December 31, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28024456/thrombospondin-1-mediates-multi-walled-carbon-nanotube-induced-impairment-of-arteriolar-dilation
#9
W Kyle Mandler, Timothy R Nurkiewicz, Dale W Porter, I Mark Olfert
Pulmonary exposure to multi-walled carbon nanotubes (MWCNT) has been shown to disrupt endothelium-dependent arteriolar dilation in the peripheral microcirculation. The molecular mechanisms behind these arteriolar disruptions have yet to be fully elucidated. The secreted matricellular matrix protein thrombospondin-1 (TSP-1) is capable of moderating arteriolar vasodilation by inhibiting soluble guanylate cyclase activity. We hypothesized that TSP-1 may be a link between nanomaterial exposure and observed peripheral microvascular dysfunction...
January 11, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28017604/effect-of-the-abdominal-hollowing-and-bracing-maneuvers-on-activity-pattern-of-the-lumbopelvic-muscles-during-prone-hip-extension-in-subjects-with-or-without-chronic-low-back-pain-a-preliminary-study
#10
Amir H Kahlaee, Leila Ghamkhar, Amir M Arab
OBJECTIVE: The purpose of this study was to compare the effect of abdominal hollowing (AH) and abdominal bracing (AB) maneuvers on the activity pattern of lumbopelvic muscles during prone hip extension (PHE) in participants with or without nonspecific chronic low back pain (CLBP). METHODS: Twenty women with or without CLBP participated in this cross-sectional observational study. The electromyographic activity (amplitude and onset time) of the contralateral erector spinae (CES), ipsilateral erector spinae (IES), gluteus maximus, and biceps femoris muscles was measured during PHE with and without abdominal maneuvers...
December 22, 2016: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/27999827/cauda-equina-syndrome-an-emergency-some-unexpected-severe-symptoms-and-conservative-treatment
#11
Philip Grammaticos, Nikitas Papadopoulos, Labib Tarazi, Dimosthenis Katsarkas
An 83 years old physician, doing only office work and no exercise, presented with cauda equine, due to a large intervertebral disk hernia between L1-L2 vertebrae, after an unorthodox movement. He also had a facet syndrome, a muscular spasm in the gluteus, a small fracture in the periphery of the body of the L2 vertebra and pain in the L4-L5, due to a previous vertebral hernia five years ago. All L1-L5 left lateral area was painful. He felt an unbearable pain. He also had a degree of paralysis of the gastrointestinal (GI) and the genitourinary system...
September 2016: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/27997260/acoustic-wave-therapy-for-cellulite-body-shaping-and-fat-reduction
#12
Doris Hexsel, Fernanda Oliveira Camozzato, Aline Flor Silva, Carolina Siega
BACKGROUND: Cellulite is a common aesthetic condition that affects almost every woman. OBJECTIVE: To evaluate the efficacy of acoustic wave therapy (AWT) for cellulite and body shaping. METHODS: In this open-label, single-center trial, 30 women presenting moderate or severe cellulite underwent 12 sessions of AWT on the gluteus and back of the thighs, over 6 weeks. The following assessments were performed at baseline, and up to 12 weeks after treatment: Cellulite Severity Scale (CSS), body circumference measurements, subcutaneous fat thickness by magnetic resonance imaging (MRI), quality of life related by Celluqol(®), and a satisfaction questionnaire...
December 20, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/27989968/superior-cluneal-nerve-entrapment-neuropathy-and-gluteus-medius-muscle-pain-their-effect-on-very-old-patients-with-low-back-pain
#13
Rinko Kokubo, Kyongsong Kim, Toyohiko Isu, Daijiro Morimoto, Naotaka Iwamoto, Shiro Kobayashi, Akio Morita
OBJECTIVE: In the very elderly, their general condition and poor compliance with drug regimens can render the treatment of low back pain (LBP) difficult. We report the effectiveness of a less invasive treatment for intractable LBP from superior cluneal nerve entrapment neuropathy (SCN-EN) and gluteus medius muscle (GMeM) pain. PATIENTS AND METHODS: Between April 2013 and March 2015, we treated 17 consecutive elders with LBP and buttock- and leg pain (BuP, LP). They were 4 men and 13 women ranging in age from 85 to 91 years (mean 86...
October 27, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27984498/the-biomechanical-demands-on-the-hip-during-progressive-stepping-tasks
#14
Gillian L Hatfield, Jesse M Charlton, Christopher K Cochrane, Connor Hammond, Chris Napier, Judit Takacs, Natasha M Krowchuk, Michael A Hunt
Functional hip strengthening exercises are important components of lower extremity rehabilitation, and include single leg squats, step-downs, and step-ups. The biomechanical demand of these tasks is unclear. This repeated-measures study determined hip biomechanical demands in a healthy population. Twenty individuals (10 male, 26.6 +/- 5.1 years, 22.1 +/- 2.3 kg/m) participated. Three-dimensional motion, ground reaction force data, and surface electromyograms were recorded during four randomly-ordered tasks...
November 29, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27979742/neurological-deficit-secondary-to-a-pre-sacral-abscess-with-epidural-extension-up-to-l3-a-case-report-and-literature-review
#15
M Khalifé, D Lebeaux, J-L Mainardi, P Guigui, B Bouyer
Isolated epidural abscesses are uncommon lesions. Surgical treatment may be difficult due to the extension of these lesions. We present a case of a pelvic abscess spreading along the path of the sciatic nerve to the gluteus muscles and the lumbar canal, causing neurological compression; requiring surgical treatment with three simultaneous approaches.
December 12, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27973956/inferior-gluteal-artery-detection-at-the-greater-sciatic-notch-with-a-computer-assisted-navigation-system-during-pelvic-and-sacral-tumor-resection
#16
Toru Akiyama, Shotaro Kanda, Akinori Maeda, Kazuo Saita
BACKGROUND: During pelvic and sacral tumor resection, important vessels, such as the inferior gluteal artery underneath the sciatic notch, are easily injured because of their invisibility. We employed a computer-assisted navigation system to preserve the inferior gluteal artery at the sciatic notch with visualization of the inferior gluteal artery at the sciatic notch, thus maintaining blood flow to the gluteus maximus. METHODS: We present the results of seven patients (five men and two women) with a mean age of 64...
December 2016: Comput Assist Surg (Abingdon)
https://www.readbyqxmd.com/read/27965943/bone-mineral-density-and-fatty-degeneration-of-thigh-muscles-measured-by-computed-tomography-in-hip-fracture-patients
#17
Myung Hoon Hahn, Ye-Yeon Won
BACKGROUND: Recently, as an independent fracture factor from Bone mineral density (BMD), muscle weakness due to the fatty degeneration of thigh muscles have been attracting attentions as causes of hip fracture. The purpose of this study is to investigate the correlation between the body composition and BMD and fatty degeneration of thigh muscles of the female patients over 65 years old with osteoporotic hip fracture. METHODS: This study was conducted with 178 female osteoporotic hip fracture patients...
November 2016: Journal of Bone Metabolism
https://www.readbyqxmd.com/read/27956818/a-comparison-between-different-modes-of-real-time-sonoelastography-in-visualizing-myofascial-trigger-points-in-low-back-muscles
#18
Mary Kamal Nassif Takla, Naglaa Mohamed Abdel Razek, Omaima Kattabei, Marzouk Abdel Fattah El-Lythy
OBJECTIVE: Currently, there is a lack of objective means to quantify myofascial trigger points (MTrPs) and their core features. Our research compares (1) MTrPs and surrounding myofascial tissue using two-dimensional grayscale ultrasound (2DGSUS) and vibration sonoelastography (VSE); (2) the accuracy of both modes in visualizing MTrPs; (3) 'active' and 'latent' MTrPs, using VSE; and (4) the accuracy of both modes in visualizing deep and superficially located MTrPs. METHODS: Fifty participants with more than two MTrPs in their quadratus lumborum, longissimus thoracis, piriformis, and gluteus medius muscles were assigned to an active MTrP (low back pain) group or a latent (currently pain free) MTrP group...
December 2016: Journal of Manual & Manipulative Therapy
https://www.readbyqxmd.com/read/27943098/incidence-of-greater-trochanteric-pain-syndrome-in-patients-suspected-for-femoroacetabular-impingement-evaluated-using-magnetic-resonance-arthrography-of-the-hip
#19
Grazia Pozzi, Ezio Lanza, Cleber Garcia Parra, Ilaria Merli, Luca Maria Sconfienza, Alberto Zerbi
OBJECTIVES: We evaluated the incidence of greater trochanter pain syndrome (GTPS) in patients who underwent magnetic resonance arthrography (MRA) of the hip for a suspected femoroacetabular impingement (FAI) syndrome. METHODS: Hip MRA performed at our institution (3/2012-1/2014) were reviewed. The absence/presence of FAI (cam, pincer, and mixed) was noted. GTPS diagnosis was based on gluteus medius/minimus tendinopathy/tears, trochanteric bursitis, fascia lata thickening, and trochanter bone oedema/erosion...
December 9, 2016: La Radiologia Medica
https://www.readbyqxmd.com/read/27900518/the-reconstruction-algorithm-used-for-68-ga-psma-hbed-cc-pet-ct-reconstruction-significantly-influences-the-number-of-detected-lymph-node-metastases-and-coeliac-ganglia
#20
Thomas Krohn, Anita Birmes, Oliver H Winz, Natascha I Drude, Felix M Mottaghy, Florian F Behrendt, Frederik A Verburg
PURPOSE: To investigate whether the numbers of lymph node metastases and coeliac ganglia delineated on [(68)Ga]PSMA-HBED-CC PET/CT scans differ among datasets generated using different reconstruction algorithms. METHODS: Data were constructed using the BLOB-OS-TF, BLOB-OS and 3D-RAMLA algorithms. All reconstructions were assessed by two nuclear medicine physicians for the number of pelvic/paraaortal lymph node metastases as well the number of coeliac ganglia. Standardized uptake values (SUV) were also calculated in different regions...
November 29, 2016: European Journal of Nuclear Medicine and Molecular Imaging
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