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Neutral stance

K-T Kang, Y-G Koh, J Son, O-R Kwon, C Baek, S H Jung, K K Park
OBJECTIVES: Malrotation of the femoral component can result in post-operative complications in total knee arthroplasty (TKA), including patellar maltracking. Therefore, we used computational simulation to investigate the influence of femoral malrotation on contact stresses on the polyethylene (PE) insert and on the patellar button as well as on the forces on the collateral ligaments. MATERIALS AND METHODS: Validated finite element (FE) models, for internal and external malrotations from 0° to 10° with regard to the neutral position, were developed to evaluate the effect of malrotation on the femoral component in TKA...
November 2016: Bone & Joint Research
Cédrick T Bonnet, Sébastien Szaffarczyk
In studies of postural control, a control task is often used to understand significant effects obtained with experimental manipulations. This task should be the easiest task and (therefore) engage the lowest behavioral variability and cognitive workload. Since 1983, the stationary-gaze task is considered as the most relevant control task. Instead, the authors expected that free looking at small targets (white paper or images; visual angle: 12°) could be an easier task. To verify this assumption, 16 young individuals performed stationary-gaze, white-panel, and free-viewing 12° tasks in steady and relaxed stances...
December 29, 2016: Journal of Motor Behavior
Aaron L Leppin, Cara Fernandez, Jon C Tilburt
CONTEXT: Treatment of pain in cancer is a clinical priority. Many cancer patients seek and use complementary and alternative medicine (CAM) therapies. OBJECTIVES: The aim of this study was to describe the role CAM plays in oncology, clinicians' approaches to pain management and its alignment with patient preference and self-care. METHODS: We used quantitative criteria to identify patients with high, self-reported pain and reduced quality of life...
November 2016: Journal of Pain and Symptom Management
Oliver Ludwig, Jens Kelm, Michael Fröhlich
BACKGROUND: Peroneus longus acts as a foot evertor and pronator, thus ensuring stability of the talocrural joint by curbing inversion movement of the rearfoot. Increased activation of the peroneus longus muscle in the stance phase could have a stabilising effect on the ankle joint. This study aimed to determine whether the activity of the peroneus longus muscle could be increased by the targeted use of a specially formed lateral pressure element in a customised orthopaedic insole. METHODS: This was a laboratory-based study that utilised a randomised crossover design...
2016: Journal of Foot and Ankle Research
Nicole Perret, Giuseppe Longo
Reductionism is the dominant stance of biology. According to this perspective, biological phenomena have to fit with physical explanations. Some biologists thought that the introduction of the idea of program was a sound way to overcome both physicalism and reductionism. We argue instead that the introduction of information theory into biology did not liberate biology from reductionism. We argue that the adoption of information in biology is an erroneous transposition from a specific mathematical domain to one where it does not belong...
July 22, 2016: Progress in Biophysics and Molecular Biology
(no author information available yet)
1 The RCN has pledged to make the voice of nurses heard after the UK voted to leave the European Union. Despite maintaining a neutral stance in the run-up to the referendum, the college said it will continue to work closely with nursing organisations across the continent. Read more
July 6, 2016: Nursing Standard
Xingyu Chen, Xingda Qu
The main purpose of this study was to examine the effects of affective auditory stimuli on balance control during static stance. Twelve female and 12 male participants were recruited. Each participant completed four upright standing trials including three auditory stimuli trials and one baseline trial (ie no auditory stimuli). The three auditory stimuli trials corresponded to the pleasant, neutral and unpleasant sound conditions. Center of pressure (COP) measures were used to quantify balance control performance...
May 18, 2016: Ergonomics
Sathish Paul, Rekha Vijayakumar, Lazar Mathew, Sudesh Sivarasu
BACKGROUND: The subtalar joint position during static stance is a crucial determinant of the peak plantar pressures and forms ideal reference point for any intervention in foot-related problems for leprosy-affected patients. OBJECTIVES: The study pursued the hypothesis through a three-dimensional model that stress will be minimal in the distal joints of the foot when the subtalar joint is in neutral static stance position. STUDY DESIGN: Finite element model...
March 15, 2016: Prosthetics and Orthotics International
Simon S W Li, Daniel H K Chow
Change in sagittal spinal curvature from the neutral upright stance is an important measure of the heaviness and correctness of backpack use. As current recommendations, with respect to spinal profile, of backpack load thresholds were based on the significant curvature change in individual spinal region only, this study investigated the most critical backpack load by assessing simultaneously the spinal curvature changes along the whole spine. A motion analysis system was used to measure the curvature changes in cervical, upper thoracic, lower thoracic and lumbar regions with backpack load at 0, 5, 10, 15 and 20% of body weight...
November 2016: Ergonomics
Radmila Kostić, Slavoljub Uzunović, Tijana Purenović-Ivanović, Đurđica Miletić, Georgija Katsora, Saša Pantelić, Zoran Milanović
AIM: The aim of the study was to determine the effects of Greek folk dancing on postural stability in middle age women. METHODS: Sixty-three women aged from 47-53 participated in this study. All participants were randomly divided into the experimental group - 33 participants (mean ± SD; body height=160.13 ± 12.07 cm, body mass=63.81 ± 10.56 kg), and the control group - 30 participants (mean ± SD; body height=160.63 ± 6.22 cm, body mass=64.79 ± 8.19 kg). The following tests were used to evaluate the motor balance and posture stability of participants; the double-leg stance along the length of a balance beam (eyes open), the double-leg stance along the width of a balance beam (eyes open), the single-leg stance (eyes open) and the double-leg stance on one's toes (eyes closed)...
November 2015: Central European Journal of Public Health
Erika Giannotti, Andrea Merlo, Paolo Zerbinati, Maria Longhi, Paolo Prati, Stefano Masiero, Davide Mazzoli
BACKGROUND: Equinovarus foot deformity (EVFD) compromises several prerequisites of walking and increases the risk of falling. Guidelines on rehabilitation following EVFD surgery are missing in current literature. AIM: The aim of this study was to analyze safety and adherence to an early rehabilitation treatment characterized by immediate weight bearing with an ankle-foot orthosis (AFO) in hemiplegic patients after EVFD surgery and to describe gait changes after EVFD surgical correction combined with early rehabilitation treatment...
June 2016: European Journal of Physical and Rehabilitation Medicine
Christopher Bishop, John B Arnold, Thomas May
PURPOSE: There is a paucity of evidence on the biomechanical effects of foot taping and foot orthoses in realistic conditions. This study aimed to determine the immediate effect and relationships between changes in multisegment foot biomechanics with foot taping and customized foot orthoses in adults with flat-arched feet. METHODS: Multisegment foot biomechanics were measured in 18 adults with flat-arched feet (age 25.1 ± 2.8 yr; height 1.73 ± .13 m, body mass 70...
April 2016: Medicine and Science in Sports and Exercise
Iftach Hetsroni, Shany Funk, David Ben-Sira, Meir Nyska, Ezequiel Palmanovich, Moshe Ayalon
BACKGROUND: Gait analysis studies in patients with femoroacetabular impingement syndrome focused until today on alterations in pelvic and hip mechanics, but distal articulations in this syndrome were not explored. Viewing the inter-relationships between foot and hip mechanics and the importance of the subtalar joint in load attenuation at heel strike and during forward propulsion thereafter, alterations in hindfoot mechanics in this syndrome may have clinical significance. METHODS: Three-dimensional gait kinematics were explored with emphasis on hindfoot mechanics in a group of 15 men with cam-type femoroacetabular impingement and compared to 15 healthy men...
December 2015: Clinical Biomechanics
Sherine F Hamdy, Soha Bayoumi
Amidst the recent political uprisings in the Arab region, physicians and other healthcare workers have found themselves in the crossfire. This paper focuses on Egypt's doctors, paying special attention to how many have both appealed to and practiced medical neutrality as its own potent and contested political stance, particularly since the period of military rule following Mubarak's removal from power. Our paper draws on interviews with physicians who served as volunteers in the field hospitals in the days of unrest and violence, and with others who played a major role in documenting protesters' injuries, police brutality, and other forms of state violence against unarmed citizens...
June 2016: Culture, Medicine and Psychiatry
Rohan Kapitány, Mark Nielsen
Rituals are a pervasive and ubiquitous aspect of human culture, but when we naïvely observe an opaque set of ritual actions, how do we come to understand its significance? To investigate this, across two experiments we manipulated the degree to which actions were ritualistic or ordinary, and whether or not they were accompanied with context. In Experiment 1, 474 adult participants were presented with videos of novel rituals (causally opaque actions) or control actions (causally transparent) performed on a set of objects accompanied with neutral-valance written context...
December 2015: Cognition
W A Ray, W W Saxon
This paper describes a nonconfrontive use of video playback in brief family therapy. Replaying critical transactions from previous sessions, while maintaining a neutral and nonconfrontive therapeutic stance, encourages an atmosphere which is conducive to change. The technique allows family members to reexperience their own interactional patterns in a nonthreatening manner, enabling them to consider the meanings they attach to their family experience in different and productive ways.
January 1992: Journal of Marital and Family Therapy
Eve Dubé, Maryline Vivion, Chantal Sauvageau, Arnaud Gagneur, Raymonde Gagnon, Maryse Guay
Even if vaccination is often described as one of the great achievements of public health, results of recent studies have shown that parental acceptance of vaccination is eroding. Health providers' knowledge and attitudes about vaccines are important determinants of their own vaccine uptake, their intention to recommend vaccines to patients and the vaccine uptake of their patients. The purpose of this article is to compare how midwives and physicians address vaccination with parents during pregnancy and in postpartum visits...
2013: Journal of Clinical Medicine
Kelly D Blake, Annette R Kaufman, Joshua Lorenzo, Erik M Augustson
There is a positive correlation between recall of tobacco-related television news and perceived risks of smoking and thoughts about quitting. The authors used Cision US, Inc., to create a sampling frame (N = 61,027) of local and national television news coverage of tobacco from October 1, 2008, to September 30, 2009, and to draw a nationally representative sample (N = 730) for content analysis. The authors conducted a descriptive study to determine the frequency and proportion of stories containing specified tobacco topics, frames, sources, and action messages, and the valence of the coverage...
2015: Journal of Health Communication
Eike Hinze
Can one define the aims of psychoanalytic training that most analysts would agree upon? For more than a decade the EPF Working Party 'End of Training Evaluation Project (ETEP)' has worked on this issue. Summarizing results of this work the author describes a set of basic elements every developing analyst should have learned or internalized during his training. His assertion is that most analysts notwithstanding their theoretical orientation could agree upon these necessary requirements for a successful ending of psychoanalytic training...
June 2015: International Journal of Psycho-analysis
Shinichi Kuriyama, Masahiro Ishikawa, Shinichiro Nakamura, Moritoshi Furu, Hiromu Ito, Shuichi Matsuda
PURPOSE: Condylar lift-off can induce excessive polyethylene wear after total knee arthroplasty (TKA). A computer simulation was used to evaluate the influence of femoral varus alignment and lateral collateral ligament (LCL) laxity on lift-off after single-design TKA. It was hypothesised that proper ligament balancing and coronal alignment would prevent lift-off. METHODS: The computer model in this study is a dynamic musculoskeletal program that simulates gait up to 60° of knee flexion...
August 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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