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https://www.readbyqxmd.com/read/28748363/type-ii-sciatic-nerve-variant-an-unexpected-interventional-hazard
#1
Graeme Thompson, Ruan Visagie
A 12-year-old girl presented with a 1-week history of right hip pain. MRI revealed a lesion in the incompletely fused posterior triradiate cartilage of the right acetabulum with imaging characteristics of an osteoid osteoma. The surgeon requested guidewire placement under CT guidance for lesion drilling. The CT approach was planned to avoid the usual course of the sciatic nerve, and the lesion was successfully removed and confirmed at histology to be an osteoid osteoma. At a follow-up visit, MRI showed no recurrence but demonstrated an abnormal common peroneal nerve from the sciatic notch to the popliteal fossa with denervation oedema in the tibias anterior and peroneal musculature...
July 26, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28746124/a-japanese-stretching-intervention-can-modify-lumbar-lordosis-curvature
#2
Norio Kadono, Kazushi Tsuchiya, Azusa Uematsu, Hiroshi Kamoshita, Kazunori Kiryu, Tibor Hortobágyi, Shuji Suzuki
STUDY DESIGN: Eighteen healthy male adults were assigned to either an intervention or control group. OBJECTIVES: Isogai dynamic therapy (IDT) is one of Japanese stretching interventions and has been practiced for over 70 years. However, its scientific quantitative evidence remains unestablished. The objective of this study was to determine whether IDT could modify lumbar curvature in healthy young adults compared with stretching exercises used currently in clinical practice...
August 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28741411/intraoperative-evaluation-of-the-effects-of-femoral-component-offset-and-head-size-on-joint-stability-in-total-hip-arthroplasty
#3
Tetsuya Jinno, Daisuke Koga, Yoshinori Asou, Sadao Morita, Atsushi Okawa, Takeshi Muneta
PURPOSE: To evaluate intraoperatively the effects of femoral offset and head size on stability of the hip joints in total hip arthroplasty (THA) via posterior approach. METHODS: Thirty cementless THAs were included in this study. After acetabular shell and femoral broach fixation, trial reduction was repeated using a femoral neck (5- to 8-mm higher or standard offset) and a head (26 mm or 32 mm). To evaluate joint stability, range of internal rotation (IR) in hip flexion prior to posterior subluxation and range of external rotation (ER) in hip extension were measured...
January 1, 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28732177/inguinal-hernia-in-athletes-role-of-dynamic-ultrasound
#4
William Kelton Vasileff, Mikhail Nekhline, Patricia A Kolowich, Gary B Talpos, Willam R Eyler, Marnix van Holsbeeck
BACKGROUND: Inguinal hernia is a commonly encountered cause of pain in athletes. Because of the anatomic complexity, lack of standard imaging, and the dynamic condition, there is no unified opinion explaining its underlying pathology. HYPOTHESIS: Athletes with persistent groin pain would have a high prevalence of inguinal hernia with dynamic ultrasound, and herniorrhaphy would successfully return athletes to activity. STUDY DESIGN: Case-control study...
July 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28731487/intraoperative-fluoroscopy-with-a-direct-anterior-approach-reduces-variation-in-acetabular-cup-abduction-angle
#5
Gens P Goodman, Nitin Goyal, Nancy L Parks, Robert H Hopper, William G Hamilton
INTRODUCTION: The purpose of this study was to compare acetabular cup position for 2 cohorts of total hip arthroplasty (THA) patients who had a direct anterior approach. METHODS: 100 THA cases were performed with an anterior approach using intraoperative fluoroscopy (IF) to aid in cup positioning. Another group of 100 cases underwent THA with an anterior approach without the use of any fluoroscopy. Postoperative abduction and anteversion angles were measured using Martell's hip analysis software...
July 19, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28730917/novice-runners-show-greater-changes-in-kinematics-with-fatigue-compared-with-competitive-runners
#6
Ellen Maas, Jorien De Bie, Riet Vanfleteren, Wouter Hoogkamer, Benedicte Vanwanseele
Fatigue, developed over the course of a run, may cause changes in running kinematics. Training status may influence the effect of fatigue on running kinematics, since well trained, competitive runners are used to running until exhaustion, whereas novice runners are not. This study aimed to determine changes in running kinematics during an exhaustive run in both novice (NOVICE) and competitive (COMP) long-distance runners. About 15 NOVICE and 15 COMP runners performed a treadmill run, until voluntary exhaustion at 3,200 m time trial pace...
July 21, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28730395/dynamic-hip-screw-and-fibular-strut-graft-for-fixation-of-fresh-femoral-neck-fracture-with-posterior-comminution
#7
Adham Elgeidi, Abed El Negery, M Serry Abdellatif, Nabil El Moghazy
INTRODUCTION: Posterior comminution of the femoral neck fracture is a major cause of delayed and non-union owing to the loss of the buttressing effect against the posterior rotation. When a femoral neck fracture with posterior comminution is anatomically reduced, only the anterior portions of the femoral neck fracture surfaces are brought into contact leaving a posterior defect. The purpose of this study was to evaluate the use of fibular strut grafting and dynamic hip screw (DHS) for fresh femoral neck fractures with posterior comminution in young patient less than 50 years...
July 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28725122/two-incisions-direct-anterior-approach-for-thr-surgical-technique-and-early-outcome
#8
Ritesh Rathi, Idriss Tourabaly, Alexis Nogier
PURPOSE: In recent times the direct anterior approach for total hip replacement has gained considerable interest among orthopaedic surgeons because of the relative muscle-sparing nature than other surgical approaches. However, critics believe that this approach is associated with steep learning curve and high complication rates, mainly attributed to a more limited exposure to the femur. In order to make femoral access easier and implantation of acetabulum in anatomic plane, we designed a "two incisions anterior approach technique" for total hip replacement...
September 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28723822/biomechanical-differences-in-female-basketball-and-soccer-players-during-multi-directional-jump-landings
#9
Jeffrey B Taylor, Kevin R Ford, Randy J Schmitz, Scott E Ross, Terry A Ackerman, Sandra J Shultz
Anterior cruciate ligament injury prevention programs are less successful in basketball than soccer and may be due to distinct movement strategies that these athletes develop from sport-specific training. The purpose of this study was to identify biomechanical differences between female basketball and soccer players during multi-directional jump landings. Lower extremity biomechanics of eighty-nine female athletes who played competitive basketball (n=40) or soccer (n=49) at the middle- or high-school level were analyzed with three-dimensional motion analysis during a drop vertical jump (DVJ), double- (SAG-DL) and single-leg forward jump (SAG-SL), and double- (FRONT-DL) and single-leg (FRONT-SL) lateral jump...
July 14, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28717620/the-influence-of-muscle-tendon-forces-on-acl-loading-during-jump-landing-a-systematic-review
#10
REVIEW
Katja Oberhofer, S H Hosseini Nasab, Pascal Schütz, Barbara Postolka, Jess G Snedeker, William R Taylor, Renate List
BACKGROUND: The goal of this review is to summarise and discuss the reported influence of muscle-tendon forces on anterior cruciate ligament (ACL) loading during the jump-landing task by means of biomechanical analyses of the healthy knee. METHODS: A systematic review of the literature was conducted using different combinations of the terms "knee", "ligament", "load", "tension ", "length", "strain", "elongation" and "lengthening". 26 original articles (n=16 in vitro studies; n=10 in situ studies) were identified which complied with all inclusion/exclusion criteria...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28714838/lower-extremity-muscle-activity-kinematics-and-dynamic-postural-control-in-individuals-with-patellofemoral-pain
#11
Shiho Goto, Naoko Aminaka, Phillip A Gribble
CONTEXT: Altered lower extremity muscle activity has been suggested to be associated with lower extremity kinematics in individuals with patellofemoral pain (PFP). However, few studies examined these relationships and the results are inconsistent. OBJECTIVES: To compare the lower extremity muscle activity, kinematics, pain level, and reach distance during the anterior reach of the Star Excursion Balance Test (SEBT) between participants with PFP and healthy individuals (CON)...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28714764/abdominal-hollowing-reduces-lateral-trunk-displacement-during-single-leg-squats-in-healthy-females-but-does-not-affect-peak-hip-abduction-angle-or-knee-abductio-angle-moment
#12
Lukas D Linde, Jessica Archibald, Eve C Lampert, John Z Srbely
CONTEXT: Females suffer 4-6 times more non-contact anterior cruciate ligament (ACL) injuries than males due to neuromuscular control deficits of the hip musculature leading to increases in hip adduction angle, knee abduction angle, and knee abduction moment during dynamic tasks such as single-leg squats. Lateral trunk displacement has been further related to ACL injury risk in females, leading to the incorporation of core strength/stability exercises in ACL preventative training programs...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28712512/higher-pain-level-and-lower-functional-capacity-are-associated-with-the-number-of-altered-kinematics-in-women-with-patellofemoral-pain
#13
Deisi Ferrari, Ronaldo Valdir Briani, Danilo de Oliveira Silva, Marcella Ferraz Pazzinatto, Amanda Schenatto Ferreira, Neri Alves, Fábio Mícolis de Azevedo
This study investigated whether women with patellofemoral pain (PFP) present kinematic alterations in proximal, local, and distal factors simultaneously, and determined the association between the number of kinematic alterations, pain level, and functional status. A three-dimensional motion analysis system was used to analyze the peak hip adduction, peak knee flexion, and peak rearfoot eversion, addressing the proximal, local, and distal factors, respectively, in fifty women. Functional status and pain level were assessed using the anterior knee pain scale (AKPS) and a visual analogic scale...
July 10, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28706809/posterolateral-acetabuloplasty-and-distal-femoral-neckplasty-labral-repair-and-capsular-plication-for-hip-reverse-contre-coupe-lesion
#14
Sivashankar Chandrasekaran, John P Walsh, David E Hartigan, Parth Lodhia, Carlos Suarez-Ahedo, Benjamin G Domb
This article describes the arthroscopic approach and management of a "reverse contre-coup" injury to the hip labrum. The injury occurs in the setting of posterolateral acetabular rim over-coverage impinging on the distal femoral neck in extension causing the femoral head to lever out anteriorly against the labrum. Ligamentous laxity and associated loss of anterior capsular restraint allow increased femoral head translation, adding further insult to the anterior labrum. The arthroscopic approach entails not only a labral repair with correction of the osseous conflict but also restoration of soft-tissue stability to minimize anterior femoral translation...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28705486/the-influence-of-adipose-tissue-location-on-postural-control
#15
Joanna Cieślińska-Świder, Mariusz Paweł Furmanek, Janusz Wiesław Błaszczyk
A growing body of evidence suggests, that excessive body weight is inseparably connected with postural instability. In none of previous studies, body weight distribution has been considered as a factor, which may affect results of a static posturography. The purpose of the present study is to quantify some center of foot pressure (COP) characteristics in 40 obese women with android type of obesity (waist-to-hip ratio - WHR≥0.85, BMI: 37.5±5.4) and 40 obese women with gynoid type of obesity (WHR<0.85, BMI: 36...
June 27, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28704684/root-mean-square-of-lower-trunk-acceleration-during-walking-in-patients-with-unilateral-total-hip-replacement
#16
Osamu Wada, Tsuyoshi Asai, Yoshinori Hiyama, Shingo Nitta, Kiyonori Mizuno
Although several studies have described abnormal trunk motion before and after total hip arthroplasty (THA) surgery, few studies have examined trunk motion using accelerometry. The aim of this study was to determine whether abnormal trunk motion persisted after THA using accelerometry. A total of 24 female patients (61.0±6.9years) and 20 healthy female subjects (59.9±6.8years) participated in this study. Patients were assessed at 1 month prior to surgery and 12 months after surgery. Trunk acceleration during gait was measured using a triaxial accelerometer attached to the L3 spinous process...
July 8, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28704300/postinfectious-heterotopic-ossification-of-the-ilium-involving-the-iliacus-muscle
#17
Ferdhany Muhamad Effendi, Yunjin Nam, Chang Ho Shin, Tae-Joon Cho, Won Joon Yoo, Jung-Eun Cheon, In Ho Choi
Heterotopic ossification in soft tissue or muscle is rare in the pediatric and adolescent age group. Most cases are associated with musculoskeletal injury and trauma to the central nervous system. Here, we describe an adolescent patient without a history of trauma or lesions in the central nervous system who presented with a painful limp with limited motion of the left hip. Investigations indicated unusually large heterotopic ossification extending from the inner aspect of the ilium down to the anterior part of the hip, highly likely to have developed after an unrecognized periacetabular pyomyositis primarily involving the iliacus muscle...
July 12, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28702750/function-and-activity-after-minimally-invasive-total-hip-arthroplasty-compared-to-a-healthy-population
#18
Eberhard von Rottkay, Lars Rackwitz, Maximilian Rudert, Ulrich Nöth, Johannes Christian Reichert
PURPOSE: The aim of the present study was to compare the daily activity and functionality in a patient cohort 12 months after total hip arthroplasty (THA) using a direct anterior approach with a healthy non-operated control population. METHODS: Sixty-four patients who underwent THA and 59 healthy individuals (control) were assessed regarding their daily activity and joint functionality utilizing the Harris hip score (HHS), the extra short musculoskeletal functional assessment questionnaire (XSFMA), the Short Form 36 (SF-36) health survey and a Stepwatch™ Activity Monitor (SAM)...
July 12, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28702442/kinematics-and-neuromuscular-recruitment-during-vertical-treadmill-exercise
#19
Alastair R Jordan, Andrew Barnes, David Claxton, Alison Purvis, Mary Fysh
The vertical treadmill (VertiRun) is an unresearched, partial weight-bearing exercise mode for lower limb rehabilitation. The user undertakes a "running-like" action whilst body weight is supported by a bench and the limb is drawn downwards against overhanging resistance cables on a vertically hung nonmotorised treadmill. This study sought to describe the kinematics and neuromuscular recruitment during VertiRun exercise in the supine, 40°, and 70° postures. Twenty-one healthy male participants (age, 25±7 years; stature, 1...
June 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28698880/secure-screw-placement-in-management-of-acetabular-fractures-using-the-suprapectineal-quadrilateral-buttress-plate
#20
R J Egli, M J B Keel, J L Cullmann, J D Bastian
Acetabular fractures involving predominantly the anterior column associated with a disruption of the quadrilateral surface can be treated with instrumentation implementing the stabilization of the quadrilateral surface. The recently introduced suprapectineal quadrilateral buttress plate is specifically designed to prevent secondary medial subluxation of the femoral head, especially in elderly patients with reduced ability for partial weight bearing. Whereas there are guidelines available for safe screw fixation for the anterior and posterior columns, there might be a concern for intra-articular placement of screws placed through the infrapectineal part of the quadrilateral buttress plate...
2017: BioMed Research International
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