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https://www.readbyqxmd.com/read/27911346/influence-of-pelvic-tilt-on-functional-acetabular-orientation
#1
Robert K Zahn, Sarah Grotjohann, Matthias Pumberger, Heiko Ramm, Stefan Zachow, Michael Putzier, Carsten Perka, Stephan Tohtz
BACKGROUND: Pelvic tilt influences acetabular orientation (AO). Anatomical AO can be measured in relation to the anterior pelvic plane (APP), functional AO can be calculated relative to table's plane. OBJECTIVE: To assess to what extent functional AO is determined by pelvic tilt and if APP and table plane give equal information for correct AO. METHODS: AO was evaluated by computed tomography (CT) scans of 138 patients. Pelvic tilt, anatomical and functional AO were measured, differences between the two reference planes were calculated...
November 25, 2016: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/27858241/repeated-posterior-dislocation-of-total-hip-arthroplasty-after-spinal-corrective-long-fusion-with-pelvic-fixation
#2
Hiroki Furuhashi, Daisuke Togawa, Hiroshi Koyama, Hironobu Hoshino, Tatsuya Yasuda, Yukihiro Matsuyama
PURPOSE: Several reports have indicated that anterior dislocation of total hip arthroplasty (THA) can be caused by spinal degenerative changes with excessive pelvic retroversion. However, no reports have indicated that posterior dislocation can be caused by fixed pelvic anteversion after corrective spine surgery. We describe a rare case experiencing repeated posterior THA dislocation that occurred at 5 months after corrective spinal long fusion with pelvic fixation. METHODS: A 64-year-old woman had undergone bilateral THA at 13 years before presenting to our institution...
November 17, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27847576/surgical-outcomes-of-post-fusion-lumbar-flatback-deformity-with-sagittal-imbalance
#3
Jin Seong Kim, Sung Min Kim
OBJECTIVES: To review surgical results of post-fusion lumbar flatback treated with pedicle subtraction osteotomy (PSO) or Smith-Petersen osteotomies (SPOs). METHODS: Twenty-eight patients underwent osteotomies. Radiological outcomes by sagittal vertical axis (SVA), and pelvic tilt (PT), T1 pelvic angle (T1PA), and pelvic incidence (PI)-lumbar lordosis (LL) at preoperative, postoperative 1 month, and final were evaluated. Oswestry Disability Index (ODI), visual analog scale (VAS) score of back pain/leg pain, and Scoliosis Research Society-22 score (SRS-22r) were analyzed and compared...
November 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27799721/effect-of-the-single-leg-lateral-oblique-decline-squat-exercise-on-sacroiliac-joint-pain-with-knee-pain
#4
Won-Gyu Yoo
[Purpose] This study investigated the effect of the single-leg, lateral oblique, decline squat exercise on sacroiliac joint pain with knee pain. [Subjects and Methods] A 39-year-old female had severe pain in the right medial buttock and right anterior knee. This study assessed the anterior pelvic tilt angle and pain provocation tests before and after single-leg, lateral oblique, decline squat exercise for 4 weeks. [Results] Following the course of exercise, the anterior pelvic tilt angles were increased, and the visual analog scale pain scores for both the right buttock and right knee were 2/10...
September 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27789098/analysis-of-the-pelvic-functional-orientation-in-the-sagittal-plane-a-radiographic-study-with-eos-2d-3d-technology
#5
Mattia Loppini, Umile Giuseppe Longo, Pasquala Ragucci, Nicoletta Trenti, Luca Balzarini, Guido Grappiolo
BACKGROUND: We investigated the relationship between pelvic incidence (PI) with anterior pelvic plane angle (APPA), pelvic tilt (PT) angle, and sacral slope (SS) in standing and sitting positions to identify the best parameter expressing the pelvic functional orientation in the sagittal plane. METHODS: We enrolled 109 consecutive patients (M:F = 43:66) eligible for a primary total hip arthroplasty (THA) with an average age of 63.4 years (15-85). EOS 2D/3D radiography was performed in standing and sitting positions before THA to evaluate the functional pelvic orientation...
September 28, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27787465/influence-of-scapular-position-on-the-core-musculature-activation-in-the-prone-plank-exercise
#6
Juan M Cortell-Tormo, Miguel García-Jaén, Iván Chulvi-Medrano, Sergio Hernández-Sánchez, Ángel G Lucas-Cuevas, Juan Tortosa-Martínez
Prone plank is a widely used exercise in core stability training. Research has shown that pelvic tilt plays an important role on the electromyographical (EMG) activation of core musculature. However, the influence of scapular position on EMG activation is currently unknown. Therefore, this study evaluated the influence of scapular position on the core muscles during a prone plank. Surface electromyography of the rectus abdominis (RA), external oblique (EO), internal oblique (IO) and erector spinae (ES) was collected in fifteen participants (10 men, 5 women)...
October 26, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27767682/utility-of-multilevel-lateral-interbody-fusion-of-the-thoracolumbar-coronal-curve-apex-in-adult-deformity-surgery-in-combination-with-open-posterior-instrumentation-and-l5-s1-interbody-fusion-a-case-matched-evaluation-of-32-patients
#7
Alexander A Theologis, Gregory M Mundis, Stacie Nguyen, David O Okonkwo, Praveen V Mummaneni, Justin S Smith, Christopher I Shaffrey, Richard Fessler, Shay Bess, Frank Schwab, Bassel G Diebo, Douglas Burton, Robert Hart, Vedat Deviren, Christopher Ames
OBJECTIVE The aim of this study was to evaluate the utility of supplementing long thoracolumbar posterior instrumented fusion (posterior spinal fusion, PSF) with lateral interbody fusion (LIF) of the lumbar/thoracolumbar coronal curve apex in adult spinal deformity (ASD). METHODS Two multicenter databases were evaluated. Adults who had undergone multilevel LIF of the coronal curve apex in addition to PSF with L5-S1 interbody fusion (LS+Apex group) were matched by number of posterior levels fused with patients who had undergone PSF with L5-S1 interbody fusion without LIF (LS-Only group)...
October 21, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27677015/seated-postural-in-wheelchair-in-nmd
#8
Nadine Pellegrini
OBJECTIVE: To study seated postural control in neuromuscular disorder. MATERIALS/PATIENTS AND METHODS: We conducted a retrospective observational cohort study of 130 neuromuscular adult patients having a positioning wheelchair consultation in Foundation of Garches. The assessment is done with the seated postural control measure for adults. RESULTS: Most of the patients had severe intensity illness, only10% were walking and 29% were with tracheostomial ventilation...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27650107/decreasing-pelvic-incidence-is-associated-with-greater-risk-of-cam-morphology
#9
W Z Morris, C A Fowers, R T Yuh, J J Gebhart, M J Salata, R W Liu
OBJECTIVES: The spinopelvic relationship (including pelvic incidence) has been shown to influence pelvic orientation, but its potential association with femoroacetabular impingement has not been thoroughly explored. The purpose of this study was to prove the hypothesis that decreasing pelvic incidence is associated with increased risk of cam morphology. METHODS: Two matching cohorts were created from a collection of cadaveric specimens with known pelvic incidences: 50 subjects with the highest pelvic incidence (all subjects > 60°) and 50 subjects with the lowest pelvic incidence (all subjects < 35°)...
September 2016: Bone & Joint Research
https://www.readbyqxmd.com/read/27632862/comparison-of-hip-and-back-muscle-activity-and-pelvic-compensation-in-healthy-subjects-during-three-different-prone-table-hip-extension-exercises
#10
In-Cheol Jeon, Oh-Yun Kwon, Jong-Hyuck Weon, Ui-Jae Hwang, Sung-Hoon Jung
CONTEXT: Prone hip extension has been recommended for strengthening the back and hip muscles. Previous studies have investigated prone hip extension conducted with subjects on the floor in the prone position. However, no study has compared three different table hip extension (THE) positions in terms of the activities of the back and hip joint muscles with lumbopelvic motion. OBJECTIVE: This study sought to identify more effective exercises for strengthening the gluteus maximus (GM) by comparing three different exercises [THE alone, THE with the abdominal drawing-in maneuver (THEA), and THEA with chair support under the knee (THEAC)] based on electromyographic muscle activity and pelvic compensation...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27599622/effects-of-motor-control-exercise-vs-muscle-stretching-exercise-on-reducing-compensatory-lumbopelvic-motions-and-low-back-pain-a-randomized-trial
#11
Kyue-Nam Park, Oh-Yun Kwon, Chung-Hwi Yi, Heon-Seock Cynn, Jong-Hyuck Weon, Tae-Ho Kim, Houng-Sik Choi
OBJECTIVES: The purpose of this study was to investigate the effectiveness of a 6-week motor control exercise (MCE) vs stretching exercise (SE) on reducing compensatory pelvic motion during active prone knee flexion (APKF) and intensity of low back pain. METHODS: Thirty-six people in the lumbar-rotation-extension subgroup were randomly assigned equally into 2 exercise groups (18 people in each an MCE or SE group). A 3-dimensional motion-analysis system was used to measure the range and onset time of pelvic motion and knee flexion during APKF...
October 2016: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/27584674/temporary-percutaneous-instrumentation-and-selective-anterior-fusion-for-thoracolumbar-fractures
#12
Yann Philippe Charles, Axel Walter, Sébastien Schuller, Jean-Paul Steib
STUDY DESIGN: Prospective clinical trial in thoracolumbar trauma with 5-year follow-up. OBJECTIVE: To analyze clinical and radiographic outcomes of minimal invasive surgery, and the rational of circumferential fracture treatment with regard to age, degenerative changes, bone mineral density and global sagittal balance. SUMMARY OF BACKGROUND DATA: Non-neurologic fractures with anterior column defect can be treated by posterior percutaneous instrumentation and selective anterior fusion...
August 31, 2016: Spine
https://www.readbyqxmd.com/read/27583647/comparison-of-gluteus-maximus-and-hamstring-electromyographic-activity-and-lumbopelvic-motion-during-three-different-prone-hip-extension-exercises-in-healthy-volunteers
#13
In-Cheol Jeon, Ui-Jae Hwang, Sung-Hoon Jung, Oh-Yun Kwon
OBJECTIVE: To compare the surface electromyography (EMG) amplitude of the hip joint, including the gluteus maximus (GM), biceps femoris (BF), and semitendinosus (ST) muscles generated by three different exercises: prone hip extension (PHE), prone table hip extension (PTHE), and prone table hip extension with 90° knee flexion (PTHEK), with compensatory pelvic motions. DESIGN: Repeated-measure within-subject intervention. PARTICIPANTS: Sixteen-healthy males (mean age = 23...
March 26, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27583160/analysis-of-spinal-alignment-and-pelvic-parameters-on-upright-radiographs-implications-for-acetabular-development
#14
Andrew Pytiak, James D Bomar, Jonathan B Peterson, Matthew R Schmitz, Andrew T Pennock, Dennis R Wenger, Vidyadhar V Upasani
UNLABELLED: The purpose of this study was to correlate measures of sagittal spinopelvic alignment [lumbar lordosis (LL), sacral slope (SS), pelvic tilt (PT) and pelvic incidence (PI)] and measures of acetabular coverage [lateral center edge angle (LCEA) and Tonnis angle] in asymptomatic adolescents on standing biplanar radiographs. We hypothesized that subjects with increased pelvic incidence and LL would have increased anterior PT and increased measures of acetabular coverage. Upright anteroposterior and lateral spinopelvic radiographs were obtained using EOS imaging technique...
August 2016: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/27550496/decreased-lumbar-lordosis-and-deficient-acetabular-coverage-are-risk-factors-for-subchondral-insufficiency-fracture
#15
Woo Lam Jo, Woo Suk Lee, Dong Sik Chae, Ick Hwan Yang, Kyoung Min Lee, Kyung Hoi Koo
Subchondral insufficiency fracture (SIF) of the femoral head occurs in the elderly and recipients of organ transplantation. Osteoporosis and deficient lateral coverage of the acetabulum are known risk factors for SIF. There has been no study about relation between spinopelvic alignment and anterior acetabular coverage with SIF. We therefore asked whether a decrease of lumbar lordosis and a deficiency in the anterior acetabular coverage are risk factors. We investigated 37 patients with SIF. There were 33 women and 4 men, and their mean age was 71...
October 2016: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27444272/spinal-sagittal-imbalance-in-patients-with-lumbar-disc-herniation-its-spinopelvic-characteristics-strength-changes-of-the-spinal-musculature-and-natural-history-after-lumbar-discectomy
#16
Chen Liang, Jianmin Sun, Xingang Cui, Zhensong Jiang, Wen Zhang, Tao Li
BACKGROUND: Spinal sagittal imbalance is a widely acknowledged problem, but there is insufficient knowledge regarding its occurrence. In some patients with lumbar disc herniation (LDH), their symptom is similar to spinal sagittal imbalance. The aim of this study is to illustrate the spinopelvic sagittal characteristics and identity the role of spinal musculature in the mechanism of sagittal imbalance in patients with LDH. METHODS: Twenty-five adults with spinal sagittal imbalance who initially came to our clinic for treatment of LDH, followed by posterior discectomy were reviewed...
2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27412447/preoperative-planning-for-implant-placement-with-consideration-of-pelvic-tilt-in-total-hip-arthroplasty-postoperative-efficacy-evaluation
#17
Yutaka Inaba, Naomi Kobayashi, Haruka Suzuki, Hiroyuki Ike, So Kubota, Tomoyuki Saito
BACKGROUND: In total hip arthroplasty (THA), tilting of the pelvis alters the cup placement angles. Thus, the cup angles need to be planned with consideration of the effects of pelvic tilt. In the present study, we evaluated the efficacy of preoperative planning for implant placement with consideration of pelvic tilt in THA, and the accuracy of a CT-based computer navigation for implant positioning. METHODS: We examined 75 hips of 75 patients who underwent THA and were followed-up for one year postoperatively...
2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27408491/gait-analysis-and-hip-extensor-function-early-post-total-hip-replacement
#18
Grainne Colgan, Mike Walsh, Damien Bennett, John Rice, Timothy O'Brien
OBJECTIVE: The purpose of this study was to systematically evaluate the sagittal kinematic and kinetic gait patterns in patients in this early post-operative period, to describe them and to better understand the deficiencies in that gait pattern that may help to develop targeted rehabilitation strategies. METHODS: This study evaluated early gait patterns in 10 patients with isolated unilateral hip osteoarthritis who were post-operative for total hip replacement...
September 2016: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27398108/late-anterior-dislocation-due-to-posterior-pelvic-tilt-in-total-hip-arthroplasty
#19
Hiroki Kobayashi, Yasuharu Nakashima, Takuaki Yamamoto, Goro Motomura, Masayuki Kanazawa, Kenji Takagishi, Yukihide Iwamoto
BACKGROUND: Excessive pelvic tilt may be one of the factors leading to instability in total hip arthroplasty (THA), even when the acetabular cup is placed properly. To our knowledge, only a few studies have described late anterior dislocation due to posterior pelvic tilt. We present 3 cases with late anterior dislocations possibly due to posterior pelvic tilt. CASES PRESENTATIONS: Case-1: An 84-years-old woman fell and presented with an anterior dislocation 12-years after THA...
2016: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/27365468/functional-orientation-of-the-acetabular-component-in-ceramic-on-ceramic-total-hip-arthroplasty-and-its-relevance-to-squeaking
#20
J W Pierrepont, H Feyen, B P Miles, D A Young, J V Baré, A J Shimmin
AIMS: Long-term clinical outcomes for ceramic-on-ceramic (CoC) bearings are encouraging. However, there is a risk of squeaking. Guidelines for the orientation of the acetabular component are defined from static imaging, but the position of the pelvis and thus the acetabular component during activities associated with edge-loading are likely to be very different from those measured when the patient is supine. We assessed the functional orientation of the acetabular component. PATIENTS AND METHODS: A total of 18 patients with reproducible squeaking in their CoC hips during deep flexion were investigated with a control group of 36 non-squeaking CoC hips...
July 2016: Bone & Joint Journal
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