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Gait & Posture

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https://www.readbyqxmd.com/read/30660040/influence-of-dance-training-on-challenging-postural-control-task
#1
M Maheu, L Bethani, M Nooristani, B Jemel, A Delcenserie, F Champoux
BACKGROUND: Previous studies have shown that dance training affects postural control, particularly during challenging tasks. However, it is still unknown whether dance training also affects the ability to use vestibular, somatosensory, and visual cues, thus leading to postural control differences. OBJECTIVE: The main goal of the present study was to evaluate the influence of dance training on sensory weighting during static postural control. METHOD: The center of pressure of 24 participants was recorded (12 dancers and 12 control non-dancers) using a force platform as well as the modified Clinical Test of Sensory Organization in Balance (mCTISB)...
January 11, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30658312/age-and-low-back-pain-related-differences-in-trunk-muscle-activation-during-one-legged-stance-balance-task
#2
Rubens A da Silva, Edgar R Vieira, Guillaume Léonard, Louis-David Beaulieu, Suzy Ngomo, Alexandre H Nowotny, César F Amorim
BACKGROUND: Postural control declines with age and can be affected by low back pain. Poor balance has been reported in people with chronic low back pain (CLBP), which in turn could be explained by the changes in trunk muscle activation. RESEARCH QUESTION: Are there differences between younger and older adults with and without chronic low back pain (CLBP) on trunk muscle activity during one-legged stance task? METHODS: Twenty (20) with, and 20 subjects without nonspecific CLBP participated in the study...
January 11, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30658311/kinematic-risk-factors-for-lower-limb-tendinopathy-in-distance-runners-a-systematic-review-and-meta-analysis
#3
REVIEW
Seyed Hamed Mousavi, Juha M Hijmans, Reza Rajabi, Ron Diercks, Johannes Zwerver, Henk van der Worp
INTRODUCTION: Abnormal kinematics have been implicated as one of the major risk factors for lower limb tendinopathy (LLT). OBJECTIVE: To systematically review evidence for kinematic risk factors for LLT in runners. METHODS: Individual electronic searches in PubMed, EMBASE and Web of Science were conducted. Two reviewers screened studies to identify observational studies reporting kinematic risk factors in runners with LLT compared to healthy controls...
January 11, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30658313/can-runners-maintain-a-newly-learned-gait-pattern-outside-a-laboratory-environment-following-gait-retraining
#4
Janet H Zhang, Zoe Y S Chan, Ivan P H Au, Winko W An, Roy T H Cheung
BACKGROUND: Previous peak tibial shock gait retraining programs, which were usually conducted on a treadmill, were reported to be effective on impact loading reduction in runners. However, whether the trained runners can translate the training effect at different running modes (treadmill/overground), or running slopes (uphill/downhill), remains unknown. RESEARCH QUESTION: Is the training effect from a treadmill-based gait retraining translatable to unconstrained running conditions, including overground and uphill/downhill running? METHODS: The peak tibial shock was measured during treadmill/overground running, as well as level/uphill/downhill running before and after a course of treadmill-based gait retraining...
January 10, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30658310/the-effect-of-different-running-shoes-on-treadmill-running-mechanics-and-muscle-activity-assessed-using-statistical-parametric-mapping-spm
#5
Corina Nüesch, Elena Roos, Christian Egloff, Geert Pagenstert, Annegret Mündermann
BACKGROUND: Differences in joint mechanics between running shoes are commonly assessed using discrete parameters, yet statistically significant differences in these parameters between shoes are often scarce with small effect sizes. Statistical parametric mapping (SPM) has been suggested as suitable method for analyzing one-dimensional data such as kinematic, kinetic or muscle intensity time series. RESEARCH QUESTION: The purpose of this study was to determine differences in treadmill running mechanics between novel running shoes using SPM...
January 10, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30654320/increased-use-of-stepping-strategy-in-response-to-medio-lateral-perturbations-in-the-elderly-relates-to-altered-reactive-tibialis-anterior-activity
#6
Maarten Afschrift, Robert van Deursen, Friedl De Groote, Ilse Jonkers
BACKGROUND: The influence of aging on reactive control of balance during walking has been mainly investigated in the sagittal plane, whereas balance control in response to frontal plane perturbations is largely unexplored in the elderly. This is remarkable, given that walking mainly requires active control in the frontal plane. An extensive gait perturbation protocol was used to test whether reactive control of walking balance changes with aging and whether these changes are more pronounced in the frontal than in the sagittal plane...
January 9, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30640157/the-relationship-between-gait-and-functional-outcomes-in-patients-treated-with-circular-external-fixation-for-malunited-tibial-fractures
#7
Muhammad Ahmed Manjra, Jaco Naude, Franz Birkholtz, Vaida Glatt, Kevin Tetsworth, Erik Hohmann
BACKGROUND: Lower extremity fractures have a profound negative effect on a patient's gait and outcomes. Correction of deformity, and with it normalization of objective gait parameters, may result in better subjective and objective functional outcomes in patients treated with circular external fixation for malunited tibial fractures. AIM: The purpose of this study was to investigate the relationships between gait parameters, patient reported outcome measures (PROMs), and health related quality of life measures in patients treated with circular external fixation for the correction of deformity related to tibial malunions...
January 8, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30639795/kinematic-variability-and-local-dynamic-stability-of-gait-in-individuals-with-hip-pain-and-a-history-of-developmental-dysplasia
#8
Kari L Loverro, Anne Khuu, Pei-Chun Kao, Cara L Lewis
BACKGROUND: Individuals with developmental dysplasia of the hip (DDH) often report hip pain and exhibit gait adaptations. Previous studies in this patient population have focused on average kinematic and acceleration measures during gait, but have not examined variability. RESEARCH QUESTION: Do individuals with hip pain and DDH have altered kinematic variability or local dynamic stability (LDS) compared to individuals without hip pain? METHODS: Twelve individuals with hip pain and DDH and 12 matched controls walked for two minutes on a treadmill at three speeds: preferred, fast (25% faster than preferred), and prescribed (1...
January 7, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30623847/the-added-value-of-orthotic-management-in-the-context-of-multi-level-surgery-in-children-with-cerebral-palsy
#9
M Schwarze, J Block, T Kunz, M Alimusaj, D W W Heitzmann, C Putz, T Dreher, S I Wolf
BACKGROUND: Treatment of cerebral palsy includes an interdisciplinary concept and in more severe cases the well-established multi-level surgery (MLS). Different kinds of orthoses are typically part of postoperative treatment but there is a lack of knowledge about their additional benefit. RESEARCH QUESTION: Do ankle foot orthoses lead to an additional, measurable improvement of gait after MLS? METHODS: 20 children with bilateral spastic cerebral palsy (9 retrospective, 11 in a postoperative clinical routine) were included...
January 6, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30640156/the-effects-of-dual-task-balance-training-on-gait-in-older-women-with-osteoporosis-a-randomized-controlled-trial
#10
David Conradsson, Alexandra Halvarsson
BACKGROUND: Although there is a growing body of literature showing promising effects of balance training on gait in older adults, little is known about the effects of dual-task training on varying domains of spatial and temporal gait parameters. RESEARCH QUESTION: Does the short-term effects of dual-task balance training differ between single and dual-task gait in older women with osteoporosis with regards to different gait domains (pace, rhythm, variability, asymmetry and postural control)? METHODS: Elderly women with osteoporosis who experienced fear of falling and/or ≥1 fall the last 12 months were recruited...
January 4, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30623846/progressive-changes-in-walking-kinematics-throughout-pregnancy-a-follow-up-study
#11
W Forczek, Y Ivanenko, M Curyło, B Frączek, A Masłoń, M Salamaga, A Suder
BACKGROUND: Progressive weight gain and changes in its distribution following pregnancy may be challenging for the gravidas' ability to move in a stable way. RESEARCH QUESTION: How is gait kinematics changing throughout pregnancy and to what extend is it affected by physical activity level and energy balance? METHODS: 30 women were enrolled. Three experimental sessions were arranged according to the same protocol in the first, second and third trimesters of pregnancy...
January 4, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30616175/effectiveness-of-backward-walking-training-on-balance-performance-a-systematic-review-and-meta-analysis
#12
REVIEW
Junjie Wang, Jian Xu, Ruopeng An
BACKGROUND: Backward walking (BW) training is thought to impact balance performance through improving motor system proprioception and gait characteristic, but relevant evidence remains sparse and inconclusive. OBJECTIVE: This study systematically reviewed and quantified the scientific evidence regarding the effectiveness of BW training on balance performance. METHODS: Keyword and reference search on BW training interventions was conducted in six electronic databases (PubMed, Web of science, SPORTDiscus, CINAHL, Cochrane Library, and CNKI) for peer-reviewed articles published till November 2017...
January 3, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30640155/beat-perception-ability-and-instructions-to-synchronize-influence-gait-when-walking-to-music-based-auditory-cues
#13
Emily A Ready, Lucy M McGarry, Cricia Rinchon, Jeffrey D Holmes, Jessica A Grahn
Synchronizing gait to music-based auditory cues (rhythmic auditory stimulation) is a strategy used to manage gait impairments in a variety of neurological conditions, including Parkinson's disease. However, knowledge of how to individually optimize music-based cues is limited. The purpose of this study was to investigate how instructions to synchronize with auditory cues influences gait outcomes among healthy young adults with either good or poor beat perception ability. 65 healthy adults walked to metronome and musical stimuli with high and low levels of perceived groove (how much it induces desire to move) and familiarity at a tempo equivalent to their self-selected walking pace...
January 2, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30634135/subjective-stability-perception-is-related-to-postural-anxiety-in-older-subjects
#14
Patricia Castro, Diego Kaski, Marco Schieppati, Michael Furman, Qadeer Arshad, Adolfo Bronstein
BACKGROUND: Under static conditions, the objective and subjective measures of postural stability correlate well. However, age-related changes in postural control and task-related anxiety may modify the relationship between these subjective and objective measures. Ultimately, patients' symptoms represent subjective reports, thus understanding this relationship has clinical implications. AIMS: This study investigates the relationship between subjective-objective measures of postural stability in dynamic conditions and whether this relationship is influenced by age or task-related anxiety...
January 2, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30616178/voluntary-control-of-breathing-affects-center-of-pressure-complexity-during-static-standing-in-healthy-older-adults
#15
Luis Hernandez, John Manning, Shuqi Zhang
Background Physiological/biomechanical systems display high degrees of complexity in their corresponding physiological and/or biomechanical outputs, indicative of normal healthy physiological functioning, though little attention has been paid to potential mechanisms which may affect complexity. Center of pressure (CoP) dynamics also display high degrees of complexity and may be affected via altered respiratory-motor interactions such as during voluntary control of breathing. Purpose The purpose of this study was to investigate the differences in the complexity of CoP dynamics during autonomous vs...
January 2, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30616176/differences-in-body-positional-bilateral-symmetry-between-stance-and-supine-positions-and-the-impact-of-attention-and-awareness-on-postural-symmetry
#16
Alon Siegler, Chaim Pick, Ella Been
BACKGROUND AND PURPOSE: Postural asymmetries may cause structural pathological conditions and impaired movement pattern. The influence of body position and awareness towards symmetry has not yet been elucidated. The aim of this study was twofold: First, to compare the body positional bilateral symmetry between standing and supine positions, and second, to examine whether the awareness to symmetry can modify posture perception and body positional bilateral symmetry. METHODS: We analyzed the degree of anterior postural alignment symmetry of 34 healthy subjects by photogrammetric method (three photographs in a standing position and three in a supine position)...
January 2, 2019: Gait & Posture
https://www.readbyqxmd.com/read/30616179/subtle-alterations-in-whole-body-mechanics-during-gait-following-anterior-cruciate-ligament-reconstruction
#17
Paige E Lin, Susan M Sigward
BACKGROUND: Clinically, normalization of gait following anterior cruciate ligament reconstruction (ACLr) is defined as the absence of observable deviations. However, biomechanical studies report altered knee mechanics during loading response (LR); a time of double limb support and weight transfer between limbs. It is conceivable that subtle adjustments in whole body mechanics, including center of mass (COM) velocity and ground reaction force (GRF) peaks and timing, are present. RESEARCH QUESTION: The purpose was to compare limb and whole body mechanics during LR of gait in the surgical and non-surgical limbs post-ACLr...
December 29, 2018: Gait & Posture
https://www.readbyqxmd.com/read/30623844/what-are-the-biomechanical-consequences-of-a-structural-leg-length-discrepancy-on-the-adolescent-spine-during-walking
#18
Christian Bangerter, Jacqueline Romkes, Silvio Lorenzetti, Andreas H Krieg, Carol-Claudius Hasler, Reinald Brunner, Stefan Schmid
BACKGROUND: Structural leg length discrepancy (LLD) is a common phenomenon. However, its effect on spinal gait kinematics remains unclear. RESEARCH QUESTION: How does LLD affect spinal gait kinematics in patients with structural LLD and what is the immediate effect of a shoe lift?. METHODS: 10 adolescents with structural LLD (20-60 mm) and 14 healthy controls were included. All of whom were fitted with a trunk marker set and requested to walk barefoot as well as with an orthotic shoe lift (only patients)...
December 28, 2018: Gait & Posture
https://www.readbyqxmd.com/read/30616180/prediagnostic-markers-of-idiopathic-parkinson-s-disease-gait-visuospatial-ability-and-executive-function
#19
Nathalie Chastan, Woei-Nan Bair, Susan M Resnick, Stephanie A Studenski, Leslie M Decker
BACKGROUND: Idiopathic Parkinson's disease (IPD) has a long preclinical phase. RESEARCH QUESTION: This study assesses data on prediagnostic markers of IPD from a longitudinal, natural history study of aging. METHODS: Participants were selected from the database of the Baltimore Longitudinal Study of Aging, and included 10 prediagnosed IPD cases (eight men and two women) and 30 age and sex matched healthy controls. Patients with prediagnosed IPD had already had an assessment for IPD 2...
December 27, 2018: Gait & Posture
https://www.readbyqxmd.com/read/30623845/a-new-cutoff-score-for-the-burke-lateropulsion-scale-improves-validity-in-the-classification-of-pusher-behavior-in-subactue-stroke-patients
#20
Jeannine Bergmann, Carmen Krewer, Friedemann Müller, Klaus Jahn
BACKGROUND: Pusher behavior substantially hampers balance during sitting, standing, and posture transitions in stroke patients. The Burke Lateropulsion Scale (BLS) was recommended to evaluate pusher behavior. However, its cutoff score has not been validated and recent studies found evidence for a need to modify it. As there is no gold standard for the diagnosis of pusher behavior, functions that are typically disturbed in these patients should be used for the validation of the cutoff score...
December 26, 2018: Gait & Posture
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