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Posterior gluteus medius

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https://www.readbyqxmd.com/read/28789998/does-hip-joint-positioning-affect-maximal-voluntary-contraction-in-the-gluteus-maximus-gluteus-medius-tensor-fasciaelatae-and-sartorius-muscles
#1
Jules Bernard, Julien Beldame, Stéphane Van Driessche, Helena Brunel, Thomas Poirier, Patrice Guiffault, Jean Matsoukis, Fabien Billuart
BACKGROUND: Minimally invasive total hip arthroplasty (THA) is presumed to provide functional and clinical benefits, whereas in fact the literature reveals that gait and posturographic parameters following THA do not recover values found in the general population. There is a significant disturbance of postural sway in THA patients, regardless of the surgical approach, although with some differences between approaches compared to controls: the anterior and anterolateral minimally invasive approaches seem to be more disruptive of postural parameters than the posterior approach...
August 5, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28675778/hip-abductor-muscle-activity-during-walking-in-individuals-with-gluteal-tendinopathy
#2
Kim Allison, Sauro E Salomoni, Kim L Bennell, Tim V Wrigley, Francois Hug, Bill Vicenzino, Alison Grimaldi, Paul W Hodges
The external hip adduction moment during walking is greater in individuals with gluteal tendinopathy (GT) than pain-free controls. Although this likely represents a greater demand on the hip abductor muscles implicated in GT, no study has investigated activation of these muscles in GT. For this purpose, fine wire electrodes were inserted into the segments of the gluteus minimus and medius muscles, and surface electrodes placed on the tensor fascia lata, upper gluteus maximus and vastus lateralis muscles of thirteen individuals with, and thirteen without, GT...
July 4, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28605003/outcomes-of-gluteus-maximus-and-tensor-fascia-lata-transfer-for-primary-deficiency-of-the-abductors-of-the-hip
#3
Sivashankar Chandrasekaran, Nader Darwish, S Pavan Vemula, Parth Lodhia, Carlos Suarez-Ahedo, Benjamin G Domb
PURPOSE: This study aims to present 3 patients' results after undergoing gluteus maximus and tensor fascia lata (TFL) transfer for chronic abductor tears unable to be repaired primarily. METHODS: 3 patients were identified intraoperatively as having an abductor tear unable to be repaired primarily. The anterior 1/3 of the gluteus maximus and the posterior 1/3 of the TFL were mobilised and transferred to the greater trochanter in order to reproduce the normal force vector of the gluteus medius and minimus...
June 6, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28171786/a-comparison-of-gluteus-medius-gluteus-minimus-and-tensor-facia-latae-muscle-activation-during-gait-in-post-menopausal-women-with-and-without-greater-trochanteric-pain-syndrome
#4
Charlotte Ganderton, Tania Pizzari, Tanya Harle, Jill Cook, Adam Semciw
The effect of greater trochanteric pain syndrome (GTPS) on gluteus medius (GMed) and minimus (GMin) activation in post-menopausal women is unknown. The aim of this study was to compare segmental muscle activation and variability of the GMed, GMin and tensor fascia latae (TFL) during gait in post-menopausal women with and without GTPS. Intramuscular electrodes were inserted into segments of GMin (x2) and GMed (x3) and a surface electrode placed on TFL. Ten control participants and 8 with GTPS completed six walking trials...
April 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28039889/sonoanatomy-and-pathology-of-the-posterior-band-of-the-gluteus-medius-tendon
#5
REVIEW
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.
February 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27666775/muscle-mri-in-duchenne-muscular-dystrophy-evidence-of-a-distinctive-pattern
#6
Kiran Polavarapu, Mahadevappa Manjunath, Veeramani Preethish-Kumar, Deepha Sekar, Seena Vengalil, PriyaTreesa Thomas, Talakad N Sathyaprabha, Rose Dawn Bharath, Atchayaram Nalini
The purpose of this study was to describe the pattern of muscle involvement using MRI findings and correlate with functional as well as muscle strength measurements. Fifty genetically confirmed DMD children with a mean age of 7.6 ± 2.8 (4-15 years) underwent muscle MRI and qualitative assessment was done for muscle changes using Mercuri staging for fibro-fatty replacement on T1 sequence and Borsato score for myoedema on STIR sequence. Detailed phenotypic characterisation was done with Manual muscle testing (modified MRC grading) and Muscular Dystrophy Functional Rating Scale (MDFRS)...
November 2016: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/27649511/the-effects-of-acute-experimental-hip-muscle-pain-on-dynamic-single-limb-balance-performance-in-healthy-middle-aged-adults
#7
Anna L Hatton, François Hug, Sarah H Chen, Christine Reid, Nicole A Sorensen, Kylie Tucker
Middle-aged adults with painful hip conditions show balance impairments that are consistent with an increased risk of falls. Pathological changes at the hip, accompanied by pain, may accelerate pre-existing age-related balance deficits present in midlife. To consider the influence of pain alone, we investigated the effects of acute experimental hip muscle pain on dynamic single-limb balance in middle-aged adults. Thirty-four healthy adults aged 40-60 years formed two groups (Group-1: n=16; Group-2: n=18). Participants performed four tasks: Reactive Sideways Stepping (ReactSide); Star Excursion Balance Test (SEBT); Step Test; Single-Limb Squat; before and after an injection of hypertonic saline into the right gluteus medius muscle (Group-1) or ∼5min rest (Group-2)...
October 2016: Gait & Posture
https://www.readbyqxmd.com/read/27342822/mr-imaging-of-soft-tissue-alterations-after-total-hip-arthroplasty-comparison-of-classic-surgical-approaches
#8
COMPARATIVE STUDY
Christoph A Agten, Reto Sutter, Claudio Dora, Christian W A Pfirrmann
OBJECTIVES: To compare soft-tissue changes after total hip arthroplasty with posterior, direct-lateral, anterolateral, or anterior surgical approaches. METHODS: MRI of 120 patients after primary total hip arthroplasty (30 per approach) were included. Each MRI was assessed by two readers regarding identification of surgical access, fatty muscle atrophy (Goutallier classification), tendon quality (0 = normal, 1 = tendinopathy, 2 = partial tear, 3 = avulsion), and fluid collections...
March 2017: European Radiology
https://www.readbyqxmd.com/read/26840913/lumbopelvic-muscle-activation-patterns-in-adolescent-fast-bowlers
#9
Mitchell Forrest, Mark Hecimovich, Alasdair Dempsey
INTRODUCTION: Adolescent fast bowlers are prone to sustaining lumbar injuries. Numerous components have been identified as contributing factors; however, there is limited empirical evidence outlining how the muscles of the lumbopelvic region, which play a vital role in stabilising the spine, function during the bowling action and the influence of such activation on injuries in the fast bowler. METHODS: Surface electromyography was utilised to measure the function of the lumbar erector spinae, lumbar multifidus, gluteus medius and gluteus maximus muscles bilaterally during the fast bowling action in a group of 35 cricket fast bowlers aged 12-16 years...
September 2016: European Journal of Sport Science
https://www.readbyqxmd.com/read/26696747/effects-of-double-air-cushion-biofeedback-exercises-in-a-patient-with-sacroiliac-joint-pain
#10
Won-Gyu Yoo
[Purpose] We developed a double air-cushion biofeedback device to be used for sacroiliac (SI) joint exercises and investigated the effects of exercising using the device in a patient with SI joint pain. [Subject] A 40-year-old man, who complained of pain in the left posterior iliac crest area and SI joints over a 6-month period participated. [Methods] After a 4-week exercise program using the double air-cushion biofeedback device, the subject was assessed using the Gaenslen, Patrick, posterior shear (POSH), and resisted abduction (REAB) tests...
November 2015: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/26670690/pediatric-laminopathies-whole-body-magnetic-resonance-imaging-fingerprint-and-comparison-with-sepn1-myopathy
#11
David Gómez-Andrés, Ivana Dabaj, Dominique Mompoint, Karolina Hankiewicz, Viviane Azzi, Christine Ioos, Norma B Romero, Rabah Ben Yaou, Jean Bergounioux, Giséle Bonne, Pascale Richard, Brigitte Estournet, Robert Yves-Carlier, Susana Quijano-Roy
INTRODUCTION: We sought to define the whole-body MRI (WB-MRI) fingerprint of muscle involvement in pediatric LMNA-related dystrophy (LMNA-RD) and to compare it with SEPN1-related myopathy (SEPN1-RM). METHODS: Signal abnormality and atrophy in 109 muscles were scored by semiquantitative scales in 8 children with LMNA-RD and represented by heatmaps. These features were compared with those from 9 SEPN1-RM patients by random forests. RESULTS: LMNA-RD showed predominant signal abnormalities in erector spinae, serratus anterior, subscapularis, gluteus medius and minimus, vastii, adductor magnus and longus, semimembranosus, medial gastrocnemius, and soleus muscles...
August 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/26632607/radiographic-identification-of-arthroscopically-relevant-proximal-femoral-structures
#12
W Andrew Lee, Adriana J Saroki, Sverre Løken, Christiano A C Trindade, Tyler R Cram, Broc R Schindler, Robert F LaPrade, Marc J Philippon
BACKGROUND: Anatomic landmarks located on the proximal femur have only recently been defined, and there is a lack of radiographic guidelines for their locations presented in the literature. With the confident identification of these landmarks, radiographs could provide more assistance in preoperative evaluations, intraoperative guidance, and postoperative assessments. PURPOSE: To quantify the radiographic locations of endoscopic landmarks of the proximal femur. STUDY DESIGN: Descriptive laboratory study...
January 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/26535335/surgically-relevant-bony-and-soft-tissue-anatomy-of-the-proximal-femur
#13
Marc J Philippon, Max P Michalski, Kevin J Campbell, Mary T Goldsmith, Brian M Devitt, Coen A Wijdicks, Robert F LaPrade
BACKGROUND: Hip endoscopy facilitates the treatment of extra-articular disorders of the proximal femur. Unfortunately, current knowledge of proximal femur anatomy is limited to qualitative descriptions and lacks surgically relevant landmarks. PURPOSE: To provide a quantitative and qualitative analysis of proximal femur anatomy in reference to surgically relevant bony landmarks. STUDY DESIGN: Descriptive laboratory study. METHODS: Fourteen cadaveric hemipelvises were dissected...
June 2014: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/26427902/gluteal-muscle-fatty-atrophy-is-not-associated-with-elevated-blood-metal-ions-or-pseudotumors-in-patients-with-a-unilateral-metal-on-metal-hip-replacement
#14
COMPARATIVE STUDY
Aleksi Reito, Petra Elo, Jyrki Nieminen, Timo Puolakka, Antti Eskelinen
BACKGROUND AND PURPOSE: There are no international guidelines to define adverse reaction to metal debris (ARMD). Muscle fatty atrophy has been reported to be common in patients with failing metal-on-metal (MoM) hip replacements. We assessed whether gluteal muscle fatty atrophy is associated with elevated blood metal ion levels and pseudotumors. PATIENTS AND METHODS: 263 consecutive patients with unilateral ASR XL total hip replacement using a posterior approach and with an unoperated contralateral hip were included in the study...
February 2016: Acta Orthopaedica
https://www.readbyqxmd.com/read/26356544/activation-of-the-gluteus-medius-according-to-load-during-horizontal-hip-abduction-in-a-one-leg-stance
#15
Jae-Woong Lee, Yeong-Ju Kim, Hyun-Mo Koo
[Purpose] This study researched the influences of different loads on muscle activity of the posterior fibers of the gluteus medius in a one-leg standing position. [Subjects] Twenty-four healthy adult men participated in this study. [Methods] All participants performed the one-leg standing position under four conditions: the standard no-load condition, in which the non-weight-bearing leg was lifted and kept parallel to the back and then pelvic or lumbar rotation was performed without thorax rotation, and the 0 kg, 1 kg, and 3 kg load conditions, in which horizontal shoulder abduction was performed with a load of 0 kg, 1 kg, or 3 kg added to the hand...
August 2015: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/26259911/increased-activation-amplitude-levels-of-gluteus-medius-in-women-during-isometric-and-dynamic-conditions-following-a-4-week-protocol-of-low-load-eccentric-exercises
#16
Alexandre Carvalho Barbosa, Rafaela Aparecida Nunes Carvalho, Douglas Novaes Bonifácio, Fábio Luiz Mendonça Martins, Michelle Cristina Sales Almeida Barbosa
BACKGROUND: The dysfunction of gluteus medius (GMed) has been implicated in other musculoskeletal disorders including low back pain and lower limb injuries. The purpose of this study was to use a protocol involving low-load eccentric exercises to observe the effects on the three subdivisions of GMed activation through surface electromyography (sEMG) and digital dynamometry. METHODS: Eleven female subjects having femoral instability participated in a 4-week protocol (three sessions per week/non-consecutive days)...
December 2016: Physiotherapy Research International: the Journal for Researchers and Clinicians in Physical Therapy
https://www.readbyqxmd.com/read/26257592/multiple-venous-thromboses-presenting-as-mechanical-low-back-pain-in-an-18-year-old-woman
#17
Andrée-Anne Marchand, Jean-Alexandre Boucher, Julie O'Shaughnessy
OBJECTIVE: The purpose of this case report is to describe a patient who presented with acute musculoskeletal symptoms but was later diagnosed with multiple deep vein thrombosis (DVT). CLINICAL FEATURES: An 18-year-old female presented to a chiropractic clinic with left lumbosacral pain with referral into the posterior left thigh. A provisional diagnosis was made of acute myofascial syndrome of the left piriformis and gluteus medius muscles. The patient received 3 chiropractic treatments over 1 week resulting in 80% improvement in pain intensity...
June 2015: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/26180724/musculoaponeurotic-area-of-the-hip-and-clinicophotographic-scaling-system
#18
J Alejandro Mena-Chávez, Lázaro Cárdenas-Camarena
BACKGROUND: With the evolution of body contouring, few innovative alternatives have been developed for cosmetic treatment in the hip area. METHODS: A multicenter controlled study was conducted, including a prior review of the literature regarding the hip area. Dissections were performed on 4 male cadavers, outlining the "musculoaponeurotic area of the hip." The area was subdivided into anterior and posterior surfaces. A clinical study was conducted in 79 patients, obtaining a scale by using the most prominent points on the sides of both thighs as the main reference...
June 2015: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/26100856/gluteal-muscle-function-and-size-in-swimmers
#19
Adam I Semciw, Rodney A Green, Tania Pizzari
OBJECTIVES: To compare the gluteus medius and minimus segments size and activity in swimmers versus non-swimmers. DESIGN: Case matched-control cross-sectional study. METHODS: The three segments of gluteus medius (anterior, middle and posterior) and two segments of gluteus minimus (anterior and posterior) were evaluated using electromyography and magnetic resonance imaging in 15 swimmers (7 elite and 8 non-elite) and 15 gender- and aged-matched controls...
June 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/25924564/on-the-relationship-between-lower-extremity-muscles-activation-and-peak-vertical-and-posterior-ground-reaction-forces-during-single-leg-drop-landing
#20
M Mahaki, R Mi'mar, B Mahaki
AIM: Anterior cruciate ligament (ACL) injury continues to be an important medical issue for athletes participating in sports. Vertical and posterior ground reaction forces have received considerable attention for their potential influence on ACL injuries. The purpose of this study was to examine the relationship between electromyographic activity of lower extremity muscles and the peak vertical and posterior ground reaction forces during single leg drop landing. METHODS: Thirteen physical education male students participated in this correlation study...
October 2015: Journal of Sports Medicine and Physical Fitness
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