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postural alignment

Preeti Patil-Chhablani, Krishnapriya Kothamasu, Ramesh Kekunnaya, Virender Sachdeva, Vivek Warkad
PURPOSE: To evaluate the surgical outcome of augmented superior rectus transposition (SRT) and medial rectus recession (MRc) in patients with abducens nerve palsy. METHODS: The medical records of consecutive patients with abducens nerve palsy who underwent unilateral or bilateral simultaneous SRT with MRc from January 2012 to December 2014. Patients with previous strabismus surgery or botulinum toxin injection were excluded. Primary outcome measures were esotropia in primary position and abduction deficit...
October 7, 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
Brian L Day, Timothy Muller, Joanna Offord, Irene Di Giulio
KEY POINTS: When standing, the gain of the body-movement response to a sinusoidally moving visual scene has been shown to get smaller with faster stimuli, possibly through changes in the apportioning of visual flow to self-motion or environment motion. We investigated whether visual-flow speed similarly influences the postural response to a discrete, unidirectional rotation of the visual scene in the frontal plane. Contrary to expectation, the evoked postural response consisted of two sequential components with opposite relationships to visual motion speed...
October 1, 2016: Journal of Physiology
Chengjie Xiong, Michael D Daubs, Trevor P Scott, Kevin H Phan, Akinobu Suzuki, Monchai Ruangchainikom, Allison K Roe, Bayan Aghdasi, Yanlin Tan, Jeffrey C Wang
PURPOSE: The purpose of this study was to examine the movement of the spinal cord and its relationship to the spinal canal in patients with mild spondylosis using kinetic magnetic resonance imaging (kMRI). METHODS: Weight-bearing, multiposition kMRI was performed on symptomatic patients through a full range of flexion-extension. A total of 52 study patients were selected based on the C2-C7 Cobb angle of sagittal alignment: lordotic (from 30 to 45 degrees). We evaluated dynamic changes in different parameters from flexion-extension: spinal canal diameter (CD), spinal cord diameter (SCD), space available for the cord, anterior space available for the cord (ASAC), posterior space available for the cord (PSAC), average distance between the anterior canal and the cord (d-value), and global angle for the spinal canal and cord...
September 27, 2016: Clinical Spine Surgery
Annemarie L Lee, Karl Zabjek, Roger S Goldstein, Dina Brooks
PURPOSE: Changes in posture in individuals with an obstructive respiratory disease have been reported, but the extent of these deviations and their clinical significance is not well understood. This study aimed to systematically review the literature of the skeletal structural alignment in children and adults with an obstructive respiratory disease, describe the measurement techniques used, and determine the clinical relevance of any alternations. METHODS: Observational cohort or cross-sectional studies of postural assessment were identified, with 2 reviewers independently assessing study quality...
September 26, 2016: Journal of Cardiopulmonary Rehabilitation and Prevention
Guenther Maderbacher, Clemens Baier, Hans-Robert Springorum, Hermann Maderbacher, Anne-Maria Birkenbach, Achim Benditz, Joachim Grifka, Armin Keshmiri
Correct rotational implant alignment is associated with increased postoperative function and implant survival in total knee arthroplasty (TKA). Due to conformity between tibial and femoral implants, particularly in full extension, we assumed a mutual interference of femoral and tibial component rotations. We, therefore, hypothesized that different rotational alignments of the tibial or femoral components change the rotational postures between the tibia and femur after TKA. In 10 healthy knees of whole body cadavers, TKA was performed...
September 19, 2016: Journal of Knee Surgery
Fusako Sato, Mamiko Odani, Yusuke Miyazaki, Kunio Yamazaki, Jonas Östh, Mats Svensson
OBJECTIVE: The aim of this study was to investigate the whole spine alignment in automotive seated postures for both genders and effects of the spinal alignment patterns on cervical vertebral motion in rear impact using a human Finite Element (FE) model. METHODS: Image data of 8 female and 7 male subjects in a seated posture acquired by an upright open MRI system were utilized. Spinal alignment was determined from the centers of the vertebrae and average spinal alignment patterns for both genders were estimated by Multi Dimensional Scaling (MDS)...
August 30, 2016: Traffic Injury Prevention
Marieke G M Weernink, Janine A van Til, Jeroen P P van Vugt, Kris L L Movig, Catharina G M Groothuis-Oudshoorn, Maarten J IJzerman
INTRODUCTION: Little is known about how patients weigh benefits and harms of available treatments for Parkinson's Disease (oral medication, deep brain stimulation, infusion therapy). In this study we have (1) elicited patient preferences for benefits, side effects and process characteristics of treatments and (2) measured patients' preferred and perceived involvement in decision-making about treatment. METHODS: Preferences were elicited using a best-worst scaling case 2 experiment...
2016: PloS One
Ibrahim M Moustafa, Aliaa A Diab, Deed E Harrison
BACKGROUND: Cervicogenic dizziness is a disabling condition commonly associated with cervical dysfunction. Although the growing interest with the importance of normal sagittal configuration of cervical spine, the missing component in the management of cervicogenic dizziness might be altered structural alignment of the cervical spinal region itself. AIM: To investigate the immediate and long-term effects of a 1-year multimodal program, with the addition of cervical lordosis restoration and anterior head translation (AHT) correction, on the severity of dizziness, disability, cervicocephalic kinesthetic sensibility, and cervical pain in patients with cervicogenic dizziness...
August 30, 2016: European Journal of Physical and Rehabilitation Medicine
Jean Yves Lazennec, Dominique Folinais, Samy Bendaya, Marc Antoine Rousseau, Aidin Eslam Pour
Lumbar stenosis is frequently observed and treated by spine surgeons. The extent of neurological decompression and the potential spinal fixation are the basic concerns when surgery is planned. But this segmented approach to the problem is sometimes insufficient due to the complex functional situations induced by a sagittal imbalance of the patient and the combination of pathologies known as hip-spine or knee-spine syndromes. A total of 373 consecutive patients included from our EOS and clinical data base. Patients were divided in two groups...
October 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
Hwee Weng Dennis Hey, Chengyuan Gordon Wong, Eugene Tze-Chun Lau, Kimberly-Anne Tan, Leok-Lim Lau, Ka-Po Gabriel Liu, Hee-Kit Wong
BACKGROUND CONTEXT: Sitting spinal alignment is increasingly recognized as a factor influencing strategy for deformity correction. Considering that most individuals sit for longer hours in a "slumped" rather than in an erect posture, greater understanding of the natural sitting posture is warranted. PURPOSE: This study aimed to investigate the differences in sagittal spinal alignment between two common sitting postures: a natural, patient-preferred posture; and an erect, investigator-controlled posture that is commonly used in alignment studies...
August 22, 2016: Spine Journal: Official Journal of the North American Spine Society
B C Thomas, A Müller, G U Auffarth, M P Holzer
PURPOSE: The aim of this study was to evaluate the duration of the preoperative examination and patient comfort in measurements with an Image Guided System (Verion, Alcon), which is used for the calculation and intraoperative alignment of toric intraocular lenses, in comparison to established keratometry devices. PATIENTS AND METHODS: In a prospective, monocentric, open, ethics committee controlled study, 150 eyes of 150 ophthalmologically healthy volunteers were examined by a single examiner...
August 2016: Klinische Monatsblätter Für Augenheilkunde
Nuno Morais, Joana Cruz, Alda Marques
BACKGROUND: There is limited evidence regarding interactions between pulmonary (dys)function, posture, and mobility of the upper body quadrant in patients with chronic obstructive pulmonary disease (COPD). OBJECTIVES: This exploratory study aimed to investigate whether postural alignment and mobility of the upper quadrant are related to changes in pulmonary function and compare such variables between patients with COPD and healthy individuals. METHOD: Fifteen patients with COPD (67...
July 2016: Brazilian Journal of Physical Therapy
Afnan M Alkhateeb, Bonnie J Forrester, Noha S Daher, Bradford D Martin, Asma A Alonazi
People in wheelchairs spend a long time in the sitting position and often incur alignment problems, resulting in neck and back pain. This study: 1) assessed the validity/reliability of Coach's Eye (CE) smart device application, 2) examined the effect of seat to back support angle adjustments on head, neck, and shoulder posture in the sitting position, and 3) compared changes in cervical rotation at each back support angle. Abled subjects sat in a wheelchair with back support angles positioned at 90°, 100°, and 110°...
August 19, 2016: Assistive Technology: the Official Journal of RESNA
Tomonori Sawada, Kazuki Tokuda, Kenji Tanimoto, Yoshitaka Iwamoto, Yuta Ogata, Masaya Anan, Makoto Takahashi, Nobuhiro Kito, Koichi Shinkoda
Lateral wedge insoles (LWIs) reduce the peak external knee adduction moment (KAM). However, the efficacy of LWIs is limited in certain individuals for whom they fail to decrease KAM. Possible explanations for a lack of desired LWI response are variations in foot alignments. The purpose of this study was to evaluate whether the immediate biomechanical effects of LWIs depend on individual foot alignments during gait. Fifteen healthy adults participated in this study. Their feet were categorized as normal, pronated, and supinated using the foot posture index...
September 2016: Gait & Posture
Tayebeh Roghani, Minoo Khalkhali Zavieh, Farideh Dehghan Manshadi, Nicole King, Wendy Katzman
The present study aims to qualitatively review the contributing factors and health implications of age-related hyperkyphosis. We conducted a narrative review of observational and cohort studies describing the risk factors and epidemiology of hyperkyphosis from 1955 to 2016 using the following key words: kyphosis, hyperkyphosis, posture, age-related hyperkyphosis, kyphotic posture, aetiology and causes. This review included 77 studies. Approximately 60-70 % of the most severe hyperkyphosis cases have no evidence of underlying vertebral compression fractures...
August 18, 2016: Aging Clinical and Experimental Research
Priyanka Singh, Perumalsamy Vijayalakshmi, Shashikant Shetty, Priyanka Vora, Suresh Kalwaniya
PURPOSE: To study the binocular alignment and ocular motility in patients with large-angle esotropia due to sixth nerve palsy treated with double augmented vertical recti transposition. METHODS: This was a prospective interventional study. Fifteen patients with non-resolving sixth nerve palsy who underwent surgical correction were included in the study. Fourteen patients also underwent an additional medial rectus recession. Two patients with an associated small vertical deviation had a selective augmentation of one vertical rectus muscle...
August 18, 2016: Journal of Pediatric Ophthalmology and Strabismus
Rozina H Bhimani, Joseph E Gaugler, Carol Skay
BACKGROUND: Symptoms of muscle tightness are common complaints that occur due to musculoskeletal and neuro-musculoskeletal injuries. Terms such as muscle tightness are often intermingled with other conditions including muscle tension, muscle spasticity and muscle rigidity. Discrepancies between patients and clinicians understanding of similar symptoms have been reported in the literature. AIMS: The current study sought to determine how patients' symptom experiences of muscle tightness correlate with examiner assessments...
August 17, 2016: Journal of Clinical Nursing
Alexia Hernandez-Soria, Soumen Das De, Zina Model, Steve K Lee, Scott W Wolfe
PURPOSE: The objective of this study was to examine the effect of altering the capitolunate relationship on coronal-plane wrist motion after scaphoidectomy and simulated 4-corner arthrodesis. Two positions of different capitolunate alignments were compared: "anatomic" (unchanged from pre-fusion) and "lunate-covered" (capitate translated to cover the lunate). We hypothesized that wrist resting posture would be altered and radial-ulnar motion would diminish after 4-corner arthrodesis in the lunate-covered position when compared with normal wrists...
August 11, 2016: Journal of Hand Surgery
Fay B Horak, JoAnn Kluzik, Frantisek Hlavacka
Vestibular information is known to be important for postural stability on tilting surfaces, but the relative importance of vestibular information across a wide range of surface tilt velocities is less clear. We compared how tilt velocity influences postural orientation and stability in nine subjects with bilateral vestibular loss and nine age-matched, control subjects. Subjects stood on a force platform that tilted 6 deg, toes-up at eight velocities (0.25 to 32 deg/s), with and without vision. Results showed that visual information effectively compensated for lack of vestibular information at all tilt velocities...
September 1, 2016: Journal of Neurophysiology
B Ganesan, K N K Fong, A Luximon, A Al-Jumaily
OBJECTIVE: Genu valgum is a common knee deformity in growing children. It alters the alignment of the lower extremity, body posture, and gait pattern of the children. Understanding of kinematic and kinetic parameters of gait in genu valgum is essential for planning and implementing the intervention to correcting the valgus deformity. The aim of this paper is to investigate the kinetic and kinematic gait differences in children with genu valgum. PATIENTS AND METHODS: A 13-year old girl with left side unilateral genu valgum and a closely matched healthy counterpart were recruited to compare the kinetic and kinematic parameters of their gait performances, and they were captured by The VICON motion analysis system...
July 2016: European Review for Medical and Pharmacological Sciences
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