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Abductor damage

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https://www.readbyqxmd.com/read/27826460/percutaneous-release-of-the-first-dorsal-extensor-compartment-a-cadaver-study
#1
Ali Güleç, Faik Türkmen, Serdar Toker, Mehmet Ali Acar
BACKGROUND: To evaluate the efficiency of the percutaneous 18-G needle technique in releasing the fibro-osseous sheath over the first dorsal extensor compartment of the hand. METHODS: Using anatomic landmarks, percutaneous release was performed with an 18-G needle on 48 wrists of 24 cadavers. The specimens were then dissected and examined for the completeness of the first dorsal extensor compartment release and any tendon or neurovascular injuries. The tunnel length, number of abductor pollicis longus and extensor pollicis brevis tendons, presence of an intertendinous septum, and the effects of these parameters on percutaneous release were evaluated...
October 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27676836/isokinetic-hip-in-soccer-players-moroccan-experience-about-36-cases
#2
Karima Belhaj, Soumia Meftah, Siham Zahi, Fatima Lmidmani, Abdellatif Elfatimi
OBJECTIVE: Isokinetic evaluation allows accurate and reproducible measurement of dynamic muscle strength. It has several application areas, especially in sports, it allows the evaluation, rehabilitation and re-entrainment. It is rarely used for the hip joint. The objective of this study was to report the isokinetic profile of the abductor and adductor muscles of the hip in Moroccan professional players, while comparing players with a history of groin for those without medical history at the hip...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27575577/acupuncture-reduces-excitability-of-spinal-motor-neurons-in-patients-with-spastic-muscle-overactivity-and-chronic-disorder-of-consciousness-following-traumatic-brain-injury
#3
Jun Matsumoto-Miyazaki, Yoshitaka Asano, Yuka Ikegame, Tomohiro Kawasaki, Yuichi Nomura, Jun Shinoda
BACKGROUND AND OBJECTIVE: Spastic hypertonia usually occurs in patients with chronic disorders of consciousness (DOC) following severe traumatic brain injury (TBI). Spinal motor neuron excitability has been reported to increase in patients with brain damage. The aim of this study was to evaluate the immediate effects of acupuncture on spinal motor neuron excitability in patients with DOC following TBI by using evoked electromyography. SETTING AND PARTICIPANTS: Eleven male patients (mean age, 33 ± 14 years) with refractory muscle spasticity of the upper extremity accompanying chronic DOC following TBI and admitted to Chubu Medical Center for Prolonged Traumatic Brain Dysfunction were included...
November 2016: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/27417041/abnormal-corticospinal-tract-function-and-motor-cortex-excitability-in-non-ataxic-sca2-mutation-carriers-a-tms-study
#4
Luis Velázquez-Pérez, Roberto Rodríguez-Labrada, Reidenis Torres-Vega, Jacqueline Medrano Montero, Yaimeé Vázquez-Mojena, Georg Auburger, Ulf Ziemann
OBJECTIVE: To evaluate if the corticospinal tract is affected in the prodromal stage of spinocerebellar ataxia type 2 (SCA2), prior to development of the cerebellar syndrome. METHODS: A cross-sectional study was conducted in 37 non-ataxic SCA2 mutation carriers and in age- and sex-matched healthy controls. All subjects underwent clinical assessment and transcranial magnetic stimulation to determine corticospinal tract integrity to the right abductor pollicis brevis and tibialis anterior muscles...
August 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27387480/preoperative-risk-factors-associated-with-poor-outcomes-of-revision-surgery-for-pseudotumors-in-patients-with-metal-on-metal-hip-arthroplasty
#5
Ming Han Lincoln Liow, Dimitris Dimitriou, Tsung-Yuan Tsai, Young-Min Kwon
BACKGROUND: Revision surgery of failed metal-on-metal (MoM) total hip arthroplasty (THA) for adverse tissue reaction (pseudotumor) can be challenging as a consequence of soft tissue and muscle necrosis. The aims of this study were to (1) report the revision outcomes of patients who underwent revision surgery for failed MoM hip arthroplasty due to symptomatic pseudotumor and (2) identify preoperative risk factors associated with revision outcomes. METHODS: Between January 2011 and January 2013, a total of 102 consecutive large head MoM hip arthroplasties in 97 patients (male: 62, female: 35), who underwent revision surgery were identified from the database of a multidisciplinary referral center...
May 27, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27382925/lesion-of-the-hip-abductor-mechanism
#6
Horacio Caviglia, Guillermo Cambiaggi, Nosrat Vattani, María Eulalia Landro, Gustavo Galatro
INTRODUCTION: The disruption of the abductor muscles of the hip after hip revision surgery often causes limping, pain, and instability of the implant. The purpose of our paper is to describe a mesh technique to repair hip abductor mechanism injuries after hip revision. PATIENTS AND METHODS: Forty-six patients with hip abductor damage after prosthetic revision were treated. Inclusion criteria were: patients presenting with prosthetic loosening, complaint of pain, and with a positive Trendelenburg sign due to deficient abductor muscle mechanisms...
2016: SICOT-J
https://www.readbyqxmd.com/read/27004642/rehabilitation-of-gait-in-patients-after-total-hip-arthroplasty-comparison-of-the-minimal-invasive-yale-2-incision-technique-and-the-conventional-lateral-approach
#7
Harald Böhm, Daniel Hagemeyer, Yvonne Thummerer, Robert Kipping, Ulrich Stöckle, Konrad Scheuerer
The minimal invasive anterolateral Yale 2-incision approach for total hip arthroplasty aims minimizing damage to the muscles for faster recovery of function. Therefore the hypothesis was investigated, that during the rehabilitation process the Yale approach shows a faster return to natural gait than a conventional lateral approach. Nineteen patients had the Yale, 16 the conventional Bauer approach. Instrumented gait analysis was performed 3 days, 3 and 12 month post operatively. Velocity, cadence, step length, weight bearing, thorax lean, Trendelenburg limp, hip abduction moments, and hip muscle activation times were evaluated...
February 2016: Gait & Posture
https://www.readbyqxmd.com/read/26535068/onset-latency-of-motor-evoked-potentials-in-motor-cortical-mapping-with-neuronavigated-transcranial-magnetic-stimulation
#8
Elisa Kallioniemi, Minna Pitkänen, Laura Säisänen, Petro Julkunen
Cortical motor mapping in pre-surgical applications can be performed using motor evoked potential (MEP) amplitudes evoked with neuronavigated transcranial magnetic stimulation. The MEP latency, which is a more stable parameter than the MEP amplitude, has not so far been utilized in motor mapping. The latency, however, may provide information about the stress in damaged motor pathways, e.g. compression by tumors, which cannot be observed from the MEP amplitudes. Thus, inclusion of this parameter could add valuable information to the presently used technique of MEP amplitude mapping...
2015: Open Neurology Journal
https://www.readbyqxmd.com/read/26264179/limitations-of-the-vastus-lateralis-muscle-as-a-substitute-for-lost-abductor-muscle-function-an-anatomical-study
#9
Karl Grob, Rebecca Monahan, Helen Gilbey, Timothy Ackland, Markus S Kuster
Abductor insufficiency after hip arthroplasty resulting from an impaired gluteus medius and minimus remains an unsolved problem in orthopaedic surgery. The vastus lateralis (VL) was described as a functional substitute for abductor insufficiency in 2004. We carried out a macrodissection of twelve cadaveric hemipelvises to investigate the innervation of the VL and adjacent muscles to assess the extent the VL can be safely transferred. Results showed that direct muscle branches to proximal portions of the VL are too short to allow a significant shift; the shift may be as small as 13 mm...
December 2015: Journal of Arthroplasty
https://www.readbyqxmd.com/read/26087883/factors-associated-with-the-presence-of-patellar-tendon-abnormalities-in-male-athletes
#10
Luciana D Mendonça, Evert Verhagen, Natália F N Bittencourt, Gabriela G P Gonçalves, Juliana M Ocarino, Sérgio T Fonseca
OBJECTIVES: To investigate the association between lower limb alignment, range of motion/flexibility and muscle strength with the presence of patellar tendon abnormalities in male athletes. DESIGN: This was a cross-sectional study. METHODS: Thirty-one male basketball and volleyball athletes were assessed for ankle dorsiflexion range of motion, shank-forefoot alignment, iliotibial band flexibility, hip external rotators and abductors isometric torque, passive hip internal rotation range of motion and frontal plane knee and patellar alignment (McConnell and Arno angles)...
May 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/26075026/sex-differences-in-the-branching-position-of-the-nerve-to-the-abductor-digiti-minimi-muscle-an-anatomical-study-of-cadavers
#11
Daisuke Mizuno, Munekazu Naito, Shogo Hayashi, Yusuke Ohmichi, Mika Ohmichi, Takashi Nakano
BACKGROUND: The nerve to the abductor digiti minimi muscle (ADMM nerve) is the first branch of the lateral plantar nerve or originates directly from the posterior tibial nerve. Damage to the ADMM nerve is a cause of heel pain and eventually results in ADMM atrophy. It is known that ADMM atrophy occurs more often in females than in males, and the reason remains unclear. This study aimed to explore sex differences in the branching pattern, position, and angle of the ADMM nerve. METHODS: Forty-two cadavers (20 males, 22 females) were dissected at Aichi Medical University between 2011 and 2015...
2015: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/25840734/modified-mostardi-approach-with-ultra-high-molecular-weight-polyethylene-tape-for-total-hip-arthroplasty-provides-a-good-rate-of-union-of-osteotomized-fragments
#12
Yutaka Kuroda, Haruhiko Akiyama, Manabu Nankaku, Kazutaka So, Shuichi Matsuda
BACKGROUND: A lateral approach is common in total hip arthroplasty because of the good exposure it provides and its low complication rates. However, a drawback of the procedure is that the abductor mechanism is damaged when the tendinous insertion of the abductor muscle is split. Here, we describe a wafer technique using ultra-high-molecular-weight polyethylene tape for promising reattachment of the abductor mechanism. METHODS: We retrospectively evaluated 120 consecutive primary total hip arthroplasties performed using a modified Mostardi approach, which involved reattaching the trochanter using either a braided polyester suture (polyester suture group, n = 60) or ultra-high-molecular-weight polyethylene tape (UHMWPE tape group, n = 60)...
July 2015: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/25816707/femoral-head-reduction-osteoplasty-for-fracture-dislocation-a-surgical-technique
#13
Craig Scott Bartlett, Christopher Erik Birch
BACKGROUND: Femoral head fractures with subchondral impaction and cartilage loss are difficult to treat successfully. Although multiple surgical management options have been described, no one technique has proven superior, particularly in the young high-demand population. TECHNIQUE: A femoral head reduction osteoplasty was performed following a surgical dislocation of the hip. A peripherally based wedge of bone was resected off the damaged central third of the head followed by reduction and fixation of the remaining fragments...
August 2015: Injury
https://www.readbyqxmd.com/read/25708026/the-effect-of-antegrade-femoral-nailing-on-femoral-head-perfusion-a-comparison-of-piriformis-fossa-and-trochanteric-entry-points
#14
RANDOMIZED CONTROLLED TRIAL
Patrick C Schottel, Richard M Hinds, Lionel E Lazaro, Craig Klinger, Amelia Ni, Jonathan P Dyke, David L Helfet, Dean G Lorich
INTRODUCTION: Piriformis fossa entry antegrade femoral nailing is a common method for stabilizing diaphyseal femur fractures. However, clinically significant complications such as chronic hip pain, hip abductor weakness, heterotopic ossification and femoral head osteonecrosis have been reported. A recent cadaveric study found that piriformis entry nailing damaged either the deep branch of the medial femoral circumflex artery (MFCA) or its distal superior retinacular artery branches in 100% of specimens and therefore recommended against its use...
April 2015: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/25655739/lesion-of-gluteal-nerves-and-muscles-in-total-hip-arthroplasty-through-3-surgical-approaches-an-electromyographically-controlled-study
#15
COMPARATIVE STUDY
Jiří Chomiak, Jiří Hurácek, Jiří Dvořák, Pavel Dungl, Radovan Kubeš, Ondřej Schwarz, Urs Munzinger
PURPOSE: Three surgical approaches in total hip arthroplasty (THA) were compared concerning: 1) clinical and radiological results; 2) innervation of the tensor fasciae latae and gluteal muscles; 3) clinical outcome of the nerve lesions; 4) sensitivity of the EMG analysis. METHODS: A total of 70 patients aged 39-79 years were evaluated clinically and electromyographically before and 3-9 months after THA in 2 centres using the anterolateral approach in 22, transgluteal approach in 33 and posterior approach in 15 patients, respectively...
March 2015: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/25473737/motor-conduction-measurement-in-myelopathy-hand
#16
Ryoichi Shibuya, Eiji Wada, Motoki Iwasaki, Kazuo Yonenobu, Hideki Yoshikawa
We studied the relationship between intramedullary high signal intensity (IMHSI) on T2-weighted magnetic resonance images and motor conduction in the spinal cords of cervical spondylotic myelopathy (CSM) patients. There was no significant difference between the biceps or triceps central motor conduction times (CMCTs) of the patients who did and did not exhibit IMHSI, whereas the abductor pollicis brevis CMCT was significantly longer in the patients who exhibited IMHSI (p<0.05) than in those who did not. The CMCT of the abductor pollicis brevis is sensitive to the degree of damage in the cervical spinal cord...
July 2014: Functional Neurology
https://www.readbyqxmd.com/read/25452363/significant-muscle-damage-after-multiple-revision-total-hip-replacements-through-the-direct-lateral-approach
#17
P von Roth, M P Abdel, F Wauer, T Winkler, G Wassilew, G Diederichs, C Perka
Intact abductors of the hip play a crucial role in preventing limping and are known to be damaged through the direct lateral approach. The extent of trauma to the abductors after revision total hip replacement (THR) is unknown. The aim of this prospective study was to compare the pre- and post-operative status of the gluteus medius muscle after revision THR. We prospectively compared changes in the muscle and limping in 30 patients who were awaiting aseptic revision THR and 15 patients undergoing primary THR...
December 2014: Bone & Joint Journal
https://www.readbyqxmd.com/read/25397867/effect-of-painless-diabetic-neuropathy-on-pressure-pain-hypersensitivity-hyperalgesia-after-acute-foot-trauma
#18
Tobias Wienemann, Ernst A Chantelau, Armin Koller
INTRODUCTION AND OBJECTIVE: Acute injury transiently lowers local mechanical pain thresholds at a limb. To elucidate the impact of painless (diabetic) neuropathy on this post-traumatic hyperalgesia, pressure pain perception thresholds after a skeletal foot trauma were studied in consecutive persons without and with neuropathy (i.e. history of foot ulcer or Charcot arthropathy). DESIGN AND METHODS: A case-control study was done on 25 unselected clinical routine patients with acute unilateral foot trauma (cases: elective bone surgery; controls: sprain, toe fracture)...
2014: Diabetic Foot & Ankle
https://www.readbyqxmd.com/read/25360994/motor-conduction-measurement-in-myelopathy-hand
#19
Ryoichi Shibuya, Eiji Wada, Motoki Iwasaki, Kazuo Yonenobu, Hideki Yoshikawa
We studied the relationship between intramedullary high signal intensity (IMHSI) on T2-weighted magnetic resonance images and motor conduction in the spinal cords of cervical spondylotic myelopathy (CSM) patients. There was no significant difference between the biceps or triceps central motor conduction times (CMCTs) of the patients who did and did not exhibit IMHSI, whereas the abductor pollicis brevis CMCT was significantly longer in the patients who exhibited IMHSI (p<0.05) than in those who did not. The CMCT of the abductor pollicis brevis is sensitive to the degree of damage in the cervical spinal cord...
October 31, 2014: Functional Neurology
https://www.readbyqxmd.com/read/25304197/motor-unit-number-estimation-and-quantitative-needle-electromyography-in-stroke-patients
#20
Ioanna Kouzi, Eftichia Trachani, Evangelos Anagnostou, Christina-Anastasia Rapidi, John Ellul, George C Sakellaropoulos, Elisabeth Chroni
OBJECTIVE: To evaluate the effect of upper motor neuron damage upon motor units' function by means of two separate and supplementary electrophysiological methods. METHODS: The abductor digiti minimi muscle of the non-paretic and the paretic side was studied in forty-six stroke patients with (a) motor unit number estimation (MUNE) - adapted multiple point stimulation method and (b) computerized quantitative needle electromyography (EMG) assessing the configuration of voluntary recruited motor unit potentials...
December 2014: Journal of Electromyography and Kinesiology
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