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https://www.readbyqxmd.com/read/29037653/adolescent-idiopathic-scoliosis-the-tethered-spine-iii-is-fascial-spiral-the-key
#1
Lucy Whyte Ferguson
This article reports on an observational and treatment case series involving 22 adolescents and preadolescents treated over a 15 year period who had or appeared to be developing idiopathic scoliosis (IS). Common patterns of muscle and fascial asymmetry were observed and treated. Most of these individuals had spinal area pain and the trigger points (TrPs) apparently responsible for this pain were located in muscles at some distance from the spine, yet referred pain to locations throughout the thoracolumbar spine...
October 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28988877/intra-and-inter-observer-reproducibility-of-shoulder-laxity-tests-comparison-of-the-drawer-modified-drawer-and-load-and-shift-tests
#2
Wataru Morita, Atsushi Tasaki
BACKGROUND: Conventional tests of shoulder laxity have been shown to have poor reliability due to the difficulty in palpating the subtle movements of the shoulder joint beneath the musculature. Modified drawer test that is performed while the soft tissues surrounding the shoulder are loosened has been proposed to facilitate glenohumeral joint movement and improve reliability. We hypothesised that the modified drawer test would have an improved intra- and inter-observer reproducibility in comparison to the drawer and load and shift tests...
October 5, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28970125/medial-rather-than-lateral-knee-instability-correlates-with-inferior-patient-satisfaction-and-knee-function-after-total-knee-arthroplasty
#3
Hiroyuki Tsukiyama, Shinichi Kuriyama, Masahiko Kobayashi, Shinichiro Nakamura, Moritoshi Furu, Hiromu Ito, Shuichi Matsuda
BACKGROUND: It is commonly thought that balanced medial and lateral tibiofemoral joint gaps are essential, but the effect of joint laxity on clinical outcome after total knee arthroplasty (TKA) is unclear. It was hypothesised that medial joint laxity correlates with inferior patient satisfaction and knee function, although lateral joint laxity is allowed to a certain degree in TKA. METHODS: This study included 50 knees that underwent primary TKA. Knee laxity was measured with postoperative stress radiographs in flexion and extension, and patient satisfaction and knee function were evaluated by the 2011 Knee Society Knee Scoring System...
September 29, 2017: Knee
https://www.readbyqxmd.com/read/28970122/the-development-and-validation-of-a-custom-built-device-for-assessing-frontal-knee-joint-laxity
#4
Shiek Abdullah Ismail, Milena Simic, Jillian L Clarke, Thiago Jambo Alves Lopes, Evangelos Pappas
INTRODUCTION: This study reports the development and validation of a quantitative technique of assessing frontal knee joint laxity through a custom built device named KLICP. The objectives of this study were to determine: (i) the intra- and inter-rater reliability and (ii) the validity of the device when compared to real time ultrasound. METHODS: Twenty-five participants had their frontal knee joint laxity assessed by the KLICP, by manual varus/valgus tests and by ultrasound...
September 29, 2017: Knee
https://www.readbyqxmd.com/read/28969821/editorial-commentary-increased-risk-of-second-ruptures-and-poorer-outcomes-after-anterior-cruciate-ligament-injury-and-reconstruction-in-hypermobile-athletes-a-potential-synergism-of-passive-ligamentous-and-active-muscular-control-of-dynamic-knee-stability
#5
EDITORIAL
Timothy E Hewett
Graft failure rates were higher and inferior subjective outcomes were observed after anterior cruciate ligament reconstruction in patients with generalized hypermobility. This is a clear and corroborative finding that is highly consilient with other reports of similar studies from the published literature. However, controversy remains regarding other potentially predictive and confounding variables. For example, age, activity level, sex, and dynamic neuromuscular control were not considered in this interesting, important, and potentially impactful study...
October 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28957738/standard-versus-physiologic-bone-preparation-in-total-knee-arthroplasty-and-the-effect-on-joint-space-opening
#6
Timothy A Burkhart, Benjamin V Herman, Kevin Perry, Pieter-Jan Vandekerckhove, James Howard, Brent Lanting
BACKGROUND: Total knee arthroplasty is an effective treatment for osteoarthritis. Restoration of physiologic varus alignment may restore the native soft tissue tension and improve outcomes. METHODS: Six paired fresh-frozen knee specimens were used to perform total knee arthroplastys. The left and right sides of were randomly assigned to have either a physiologic alignment cut or a standard of care neutral alignment bony cut prior to the implantation. Loads of 100 and 200N were applied at 0, 30, 60, and 90° of flexion and the magnitude of the medial and lateral compartment distraction was measured...
September 18, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28951643/acl-reconstruction-using-femoral-rigid-fix-and-tibial-bio-intrafix-devices
#7
Rahul Singh, Sujit Kumar Tripathy, Monappa A Naik, Premjit Sujir, Sharath K Rao
OBJECTIVES: The objective of this study is to report the clinical and functional outcomes of Hamstring graft ACL reconstruction fixed with femoral Rigid-fix and tibial Bio-intrafix devices. METHODS: In a prospective study, the clinical (Lysholm score) and functional outcomes (International Knee Documentation Committee, IKDC) of 44 patients who underwent autologus hamstring graft ACL reconstruction using femoral Rigid-fix and tibial Bio-intrafix devices, were evaluated at the end of one year...
July 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28948451/a-diagnostic-approach-to-stroke-in-young-adults
#8
REVIEW
Christopher A Stack, John W Cole
Optimal diagnosis and management of stroke in young adults benefit from a multidisciplinary team, including a vascular neurology specialist. In addition to the "standard" vascular risk factors including smoking, hypertension, diabetes, and hyperlipidemia, one needs to consider alternative etiologies including substance abuse, carotid/vertebral artery dissections, and rare genetic conditions among others. Once a young patient is determined to have had a stroke, the next question a clinician should ask is why did this patient have a stroke? A "heart to head" diagnostic approach is recommended...
September 25, 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28946527/sex-differences-in-passive-lateral-and-medial-patellar-mobility-in-healthy-young-adults
#9
Susumu Ota, Hiroshi Ohko
BACKGROUND: Sex differences in passive patellar mobility have not been quantitatively evaluated. OBJECTIVE: The present study aimed to: 1) investigate sex differences in absolute and normalized patellar mobility, and 2) verify the relationship between patellar mobility and knee joint laxity. METHODS: Two hundred and five pain-free individuals (205 knees, 103 men, 102 women) participated. Passive lateral and medial patellar displacement was measured using a modified patellofemoral arthrometer and manual pushing method at 0∘ and 30∘ knee flexion angles...
September 8, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28923431/both-anxiety-and-joint-laxity-determine-the-olfactory-features-in-panic-disorder
#10
Emma Burón, Antonio Bulbena, Andrea Bulbena-Cabré, Sílvia Rosado, Guillem Pailhez
Previous research showed a high sensitivity in sensorial modalities in panic disorder (PD). This disorder has been consistently associated to the joint hypermobility syndrome (JHS). In non-clinical samples, this collagen alteration has been also related to an enhanced sensitivity in some sensorial modalities. The main aim of this study is to explore the olfactory functioning in PD in relation to JHS. Sixty patients with PD and sixty healthy controls performed the Sniffin' Sticks Test (SST) (threshold subtest), and completed the Affective Impact of Odors scale (AIO), the Relational Scale of Olfaction (EROL), and the Odor Awareness Scale (OAS)...
September 11, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28922015/over-the-top-acl-reconstruction-plus-extra-articular-lateral-tenodesis-with-hamstring-tendon-grafts-prospective-evaluation-with-20-year-minimum-follow-up
#11
Stefano Zaffagnini, Giulio Maria Marcheggiani Muccioli, Alberto Grassi, Tommaso Roberti di Sarsina, Federico Raggi, Cecilia Signorelli, Francisco Urrizola, Paolo Spinnato, Eugenio Rimondi, Maurilio Marcacci
BACKGROUND: There are few published studies with very long-term follow-up of combined intra- and extra-articular anterior cruciate ligament (ACL) reconstruction. PURPOSE: To analyze clinical and radiographic outcomes of over-the-top ACL reconstruction plus extra-articular lateral tenodesis with autologous hamstrings at minimum 20-year follow-up. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Of 60 originally eligible patients who underwent over-the-top ACL reconstruction with double-stranded hamstring tendon (leaving intact graft tibial insertions) and extra-articular lateral plasty (performed with the remnant part of tendons), 52 were prospectively evaluated at a minimum 20-year follow-up (mean follow-up, 24 years; 41 men, 11 women; mean age at time of surgery, 25...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28917580/the-influence-of-ligament-modelling-strategies-on-the-predictive-capability-of-finite-element-models-of-the-human-knee-joint
#12
Hamid Naghibi Beidokhti, Dennis Janssen, Sebastiaan van de Groes, Javad Hazrati, Ton Van den Boogaard, Nico Verdonschot
In finite element (FE) models knee ligaments can represented either by a group of one-dimensional springs, or by three-dimensional continuum elements based on segmentations. Continuum models closer approximate the anatomy, and facilitate ligament wrapping, while spring models are computationally less expensive. The mechanical properties of ligaments can be based on literature, or adjusted specifically for the subject. In the current study we investigated the effect of ligament modelling strategy on the predictive capability of FE models of the human knee joint...
September 5, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28913369/changes-in-the-width-of-the-tibiofibular-syndesmosis-related-to-lower-extremity-joint-dynamics-and-neuromuscular-coordination-on-drop-landing-during-the-menstrual-cycle
#13
Michie Okazaki, Masaaki Kaneko, Yukisato Ishida, Norio Murase, Toshihito Katsumura
BACKGROUND: Many injuries of the lower extremities, especially the knee and ankle, occur during sports activity, and the incidence rate is higher in women than in men. HYPOTHESIS: The hypothesis was that phases of the menstrual cycle affect the width of the tibiofibular syndesmosis during drop landing in healthy young women and that such changes at the tibiofibular joint also affect the dynamics and neuromuscular coordination of the lower extremities. STUDY DESIGN: Descriptive laboratory study...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28903010/effect-of-loading-on-in-vivo-tibiofemoral-and-patellofemoral-kinematics-of-healthy-and-acl-reconstructed-knees
#14
Jarred M Kaiser, Michael F Vignos, Richard Kijowski, Geoffrey Baer, Darryl G Thelen
BACKGROUND: Although knees that have undergone anterior cruciate ligament reconstruction (ACLR) often exhibit normal laxity on clinical examination, abnormal kinematic patterns have been observed when the joint is dynamically loaded during whole body activity. This study investigated whether abnormal knee kinematics arise with loading under isolated dynamic movements. HYPOTHESIS: Tibiofemoral and patellofemoral kinematics of ACLR knees will be similar to those of the contralateral uninjured control knee during passive flexion-extension, with bilateral differences emerging when an inertial load is applied...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28898106/anterolateral-tenodesis-or-anterolateral-ligament-complex-reconstruction-effect-of-flexion-angle-at-graft-fixation-when-combined-with-acl-reconstruction
#15
Eivind Inderhaug, Joanna M Stephen, Andy Williams, Andrew A Amis
BACKGROUND: Despite numerous technical descriptions of anterolateral procedures, knowledge is limited regarding the effect of knee flexion angle during graft fixation. PURPOSE: To determine the effect of knee flexion angle during graft fixation on tibiofemoral joint kinematics for a modified Lemaire tenodesis or an anterolateral ligament (ALL) complex reconstruction combined with anterior cruciate ligament (ACL) reconstruction. STUDY DESIGN: Controlled laboratory study...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28877329/comparison-of-knee-stability-and-synovial-fluid-alterations-in-anterior-cruciate-ligament-reconstruction-with-a-hamstring-autograft-or-an-allograft
#16
Rui Yang, Haiquan Deng, Jingyi Hou, Yi Ouyang, Zhong Chen, Bin Song, Yunfeng Zhou, Weiquan Tan, Weiping Li, Huiyong Shen
This study compared knee stability and alterations in the composition of synovial fluid among patients who underwent arthroscopic anterior cruciate ligament (ACL) reconstruction with either a hamstring autograft or a hamstring allograft. This prospective cohort study enrolled 175 patients. Of these patients, 90 underwent hamstring tendon autograft ACL reconstruction. The remaining patients (n=85) underwent hamstring tendon allograft ACL reconstruction. All of the patients had a minimum of 1 year of follow-up (mean, 2...
September 1, 2017: Orthopedics
https://www.readbyqxmd.com/read/28875154/structural-and-anatomic-restoration-of-the-anterior-cruciate-ligament-is-associated-with-less-cartilage-damage-1-year-after-surgery-healing-ligament-properties-affect-cartilage-damage
#17
Ata M Kiapour, Braden C Fleming, Martha M Murray
BACKGROUND: Abnormal joint motion has been linked to joint arthrosis after anterior cruciate ligament (ACL) reconstruction. However, the relationships between the graft properties (ie, structural and anatomic) and extent of posttraumatic osteoarthritis are not well defined. HYPOTHESES: (1) The structural (tensile) and anatomic (area and alignment) properties of the reconstructed graft or repaired ACL correlate with the total cartilage lesion area 1 year after ACL surgery, and (2) side-to-side differences in anterior-posterior (AP) knee laxity correlate with the total cartilage lesion area 1 year postoperatively...
August 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28869432/validation-of-a-computational-knee-joint-model-using-an-alignment-method-for-the-knee-laxity-test-and-computed-tomography
#18
Kyoung-Tak Kang, Sung-Hwan Kim, Juhyun Son, Young Han Lee, Yong-Gon Koh
BACKGROUND: Computational models have been identified as efficient techniques in the clinical decision-making process. However, computational model was validated using published data in most previous studies, and the kinematic validation of such models still remains a challenge. Recently, studies using medical imaging have provided a more accurate visualization of knee joint kinematics. OBJECTIVE: The purpose of the present study was to perform kinematic validation for the subject-specific computational knee joint model by comparison with subject's medical imaging under identical laxity condition...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28865708/computational-stability-of-human-knee-joint-at-early-stance-in-gait-effects-of-muscle-coactivity-and-anterior-cruciate-ligament-deficiency
#19
M Sharifi, A Shirazi-Adl, H Marouane
As one of the most complex and vulnerable structures of body, the human knee joint should maintain dynamic equilibrium and stability in occupational and recreational activities. The evaluation of its stability and factors affecting it is vital in performance evaluation/enhancement, injury prevention and treatment managements. Knee stability often manifests itself by pain, hypermobility and giving-way sensations and is usually assessed by the passive joint laxity tests. Mechanical stability of both the human knee joint and the lower extremity at early stance periods of gait (0% and 5%) were quantified here for the first time using a hybrid musculoskeletal model of the lower extremity...
August 20, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28858119/flatfoot-in-the-contralateral-foot-in-patients-with-unilateral-idiopathic-clubfoot-treated-using-the-foot-abduction-brace
#20
Yasuhiro Shirai, Kenjiro Wakabayashi, Ikuo Wada, Yoshiaki Tsuboi, Myongsu Ha, Takanobu Otsuka
While the foot abduction brace (FAB) plays an important role in the Ponseti method, the true function of the FAB in the treatment of idiopathic clubfoot remains unknown. In our clinical experience, we have noted that many patients with unilateral idiopathic clubfoot developed significant flatfoot in the contralateral foot during brace treatment. The purpose of this study was to investigate the natural history of the contralateral foot development during and after brace wear. We also discuss the effect of the FAB on the contralateral foot...
September 2017: Medicine (Baltimore)
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