Abstract：
:Selecting a specific foot placement strategy to perform walking maneuvers requires the management of several competing factors, including: maintaining stability, positioning oneself to actively generate impulses, and minimizing mechanical energy requirements. These requirements are unlikely to be independent. Our purpose was to determine the impact of lateral foot placement on stability, maneuverability, and energetics during walking maneuvers. Ten able-bodied adults performed laterally-directed walking maneuvers. Mediolateral placement of the "Push-off" foot during the maneuvers was varied, ranging from a cross-over step to a side-step. We hypothesized that as mediolateral foot placement became wider, passive stability in the direction of the maneuver, the lateral impulse generated to create the maneuver, and mechanical energy cost would all increase. We also hypothesized that subjects would prefer an intermediate step width reflective of trade-offs between stability vs. both maneuverability and energy. In support of our first hypothesis, we found that as Push-off step width increased, lateral margin of stability, peak lateral impulse, and total joint work all increased. In support of our second hypothesis, we found that when subjects had no restrictions on their mediolateral foot placement, they chose a foot placement between the two extreme positions. We found a significant relationship (p<0.05) between lateral margin of stability and peak lateral impulse (r=0.773), indicating a trade-off between passive stability and the force input required to maneuver. These findings suggest that during anticipated maneuvers people select foot placement strategies that balance competing costs to maintain stability, actively generate impulses, and minimize mechanical energy costs.
journal_name
Gait Posturejournal_title
Gait & postureauthors
Acasio J,Wu M,Fey NP,Gordon KEdoi
10.1016/j.gaitpost.2016.11.034subject
Has Abstractpub_date
2017-02-01 00:00:00pages
171-177eissn
0966-6362issn
1879-2219pii
S0966-6362(16)30672-5journal_volume
52pub_type
杂志文章相关文献
GAIT & POSTURE文献大全abstract：BACKGROUND:Torsional deformities of the femur and tibia are associated with gait impairments and joint pain. Several studies have investigated these gait deviations in children with cerebral palsy. However, relatively little is known about gait deviations in children with idiopathic torsion and debate ensues about the ...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2018.05.003
更新日期：2018-06-01 00:00:00
abstract：:Skeletal abnormalities, affecting posture and walking pattern, increase with motor impairment in children with cerebral palsy (CP). However, it is not known whether these skeletal malalignments occur in children with slight motor impairment. Our aim was to evaluate skeletal malalignment at the level of the pelvis and ...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2016.06.029
更新日期：2016-09-01 00:00:00
abstract：BACKGROUND:A biomechanical analysis can provide valuable information on osteoarthritis (OA) gait, but important multidimensional interactions are often ignored. The Gait Deviation Index (GDI) was designed to address the issue of data complexity in gait analyses by providing a single, encompassing, value for one's devia...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2019.05.020
更新日期：2019-07-01 00:00:00
abstract：BACKGROUND:The Gait Profile Score (GPS) measures the quality of an individual's walking by calculating the difference between the kinematic pattern and the average walking pattern of healthy individuals. RESEARCH QUESTIONS:The purposes of this study were to quantify the effect of speed on the GPS and to determine whet...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2019.01.018
更新日期：2019-03-01 00:00:00
abstract：OBJECTIVE:To determine the accuracy of clinicians' visual observations of gait disorders following traumatic brain injury (TBI). METHODS:30 ambulant participants (sample of convenience) receiving physiotherapy for mobility limitations following TBI and 25 age, height, weight and sex matched healthy unimpaired controls...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2008.11.005
更新日期：2009-04-01 00:00:00
abstract：:Balance-recovery reactions that involve rapid step or reach-to-grasp movements are prevalent and functionally important responses to instability. Successful use of these reactions to recover balance in daily life requires a capacity to modulate the reaction to deal with the continual variation in environmental constra...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2008.08.011
更新日期：2009-02-01 00:00:00
abstract：:This review investigates current protocols using Inertial Measurement Units (IMUs) in shoulder research, and outlines future paths regarding IMU use for shoulder research. Different databases were searched for relevant articles. Criteria for study selection were (1) research in healthy persons or persons with shoulder...
journal_title：Gait & posture
pub_type： 杂志文章,评审
doi：10.1016/j.gaitpost.2017.06.025
更新日期：2017-09-01 00:00:00
abstract：BACKGROUND:The aim of this study was to evaluate whether there are any significant differences in muscle activity between individuals living with type II diabetes mellitus (T2DM) and individuals living with T2DM and peripheral arterial disease (PAD), during gait at a self-selected speed. The influence of different stag...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2019.07.254
更新日期：2019-09-01 00:00:00
abstract：BACKGROUND:Chemotherapy-induced peripheral neuropathy (CIPN) is a serious side effect deriving from neurotoxic chemotherapeutic agents. The underlying nerve injury can affect proprioception causing impaired postural control, gait difficulties and a higher risk of falling. Overall, the symptoms and functional limitation...
journal_title：Gait & posture
pub_type： 临床试验,杂志文章
doi：10.1016/j.gaitpost.2020.01.012
更新日期：2020-03-01 00:00:00
abstract：:The aim of this study was to analyze the changes in the standing center of pressure (COP) in a hemiplegic adult population at the beginning and the end of in-patient rehabilitation. The trajectory of the COP was recorded on a force platform and was analyzed in terms of the frequency spectra of the center of gravity (C...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2004.04.011
更新日期：2005-06-01 00:00:00
abstract：:Kinematic data for gait analysis consists of joint angle curves plotted against percentages of the gait cycle. A typical gait analysis entails repeated measurement of the kinematic data. We present an automatic and computationally inexpensive method to choose the most representative curve and detect outliers amongst r...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2014.12.004
更新日期：2015-02-01 00:00:00
abstract：BACKGROUND:Stepping over obstacles challenges stability and is a leading cause of falls in older adult populations. As walking and Tai Chi (TC) exercise have been suggested practices for older adults for fall prevention, the purpose of this study was to evaluate the obstacle-crossing strategies of long-term TC practiti...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2011.04.008
更新日期：2011-06-01 00:00:00
abstract：BACKGROUND:Up to one-third of individuals with a recent spinal cord injury (SCI) and most of the individuals with an incomplete lesion are able to regain partial balance and walking ability after the first-year post-injury. However, most individuals experience injurious falls while standing and frequent losses of balan...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2020.10.027
更新日期：2021-01-01 00:00:00
abstract：:Nonlinear dynamics quantifies gait variability patterns, which can be useful in evaluating functional ability. A commonly used nonlinear technique is detrended fluctuation analysis (DFA). Safety support structures have previously been shown to alter DFA during gait. However, the effect of a nonweight-supporting treadm...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2015.11.012
更新日期：2016-02-01 00:00:00
abstract：BACKGROUND:Among patients with Parkinson's disease (PD), gait is typically disturbed and less automatic. These gait changes are associated with impaired rhythmicity and increased prefrontal activation, presumably in an attempt to compensate for reduced automaticity. RESEARCH QUESTION:We investigated whether during tre...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2018.03.041
更新日期：2018-05-01 00:00:00
abstract：:We examined age-related differences in frontal plane stability during performance of narrow base (NB) walking relative to usual gait. A cross-sectional analysis of participants from the Baltimore Longitudinal Study of Aging (BLSA) was performed on data from the BLSA Motion Analysis Laboratory. Participants were 34 adu...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2008.02.009
更新日期：2008-10-01 00:00:00
abstract：:This study investigated the reliability and validity of the Visual Gait Assessment Scale when used by experienced and inexperienced observers. Four experienced and six inexperienced observers viewed videotaped footage of four children with hemiplegic cerebral palsy on two separate occasions. Validity of the Scale was ...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2007.08.008
更新日期：2008-05-01 00:00:00
abstract：:There is limited understanding of potential mechanisms underpinning postural control deficits in people with neck pain. This study examined several characteristics that might explain impaired postural stability in a group of older adults with neck pain, and compared the results in this cohort with that of asymptomatic...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2017.11.016
更新日期：2018-02-01 00:00:00
abstract：:Although total hip arthroplasty (THA) is known to be a successful surgical procedure to alleviate hip pain and to improve health-related quality of life, these outcome measures in THA patients do not reach those of the general population. As a result, several investigators have assessed THA patients' gait mechanics, b...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2010.05.007
更新日期：2010-06-01 00:00:00
abstract：:In walking the human body is never in balance. Most of the time the trunk is supported by one leg and the centre of mass (CoM) 'falls' to the contralateral side. In dynamical situations the velocity of the CoM should be acknowledged as well in the 'extrapolated centre of mass' (XcoM). Centre of pressure (CoP) position...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2006.04.013
更新日期：2007-02-01 00:00:00
abstract：PURPOSE:This study investigated the influence of long-term wearing of unstable shoes (WUS) on compensatory postural adjustments (CPA) to an external perturbation. METHODS:Participants were divided into two groups: one wore unstable shoes while the other wore conventional shoes for 8 weeks. The ground reaction force si...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2013.06.003
更新日期：2014-01-01 00:00:00
abstract：BACKGROUND:Mobility and balance in Huntington's disease (HD) are currently assessed in the clinic with three items from the unified Huntington's disease rating scale (UHDRS): walk, tandem and pull tests. These tests may not be optimal because they are scored on an ordinal scale and do not test anticipatory balance. We ...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2008.11.002
更新日期：2009-04-01 00:00:00
abstract：:The purpose of this study was to examine spatiotemporal parameters of the walk-to-run transition (WRT) and run-to-walk transition (RWT) when speed is altered with different constant accelerations. Twenty women (height: 168.9+/-3.36cm) performed three accelerations (0.05, 0.07 and 0.1ms(-2)) and three decelerations (-0...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2005.09.006
更新日期：2006-10-01 00:00:00
abstract：:Step width is a spatiotemporal parameter that may influence lower extremity biomechanics at the hip and knee joint. The purpose of this study was to determine the biomechanical response of the lower extremity joints to step width changes during running. Lower extremity data from 30 healthy runners, half of them male, ...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2013.06.010
更新日期：2014-01-01 00:00:00
abstract：:Informed clinical decision making for femoral and/or tibial de-rotation osteotomies requires accurate measurement of patient function through gait analysis and anatomy through physical examination of bony torsions. Validity of gait analysis has been extensively studied; however, controversy remains regarding the accur...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2013.05.020
更新日期：2014-01-01 00:00:00
abstract：BACKGROUND:The altered coordination variability was related to anterior cruciate ligament (ACL) re-injury after ACL reconstruction (ACL-R). As motor performance is affected by the cognitive loading, understanding the interaction of cognition and coordination variability is crucial for addressing secondary injury preven...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2020.10.028
更新日期：2020-11-28 00:00:00
abstract：:Physicians routinely prescribe partial weight bearing in a walking boot following fractures of the lower limbs in order to produce the needed mechanical environment to facilitate healing. Plantar pressure measurements can provide key information regarding the mechanical environment experienced by lower limb bones. The...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2012.04.015
更新日期：2012-07-01 00:00:00
abstract：:We investigated the effects of reduction in plantar skin temperature on gait. Thirty-four healthy subjects (20 men and 14 women; mean age 22.2±2.5 years; mean height 166.8±8.3cm) walked 16m under two different conditions - normal conditions (NC) with the skin at a basal temperature, and cold conditions (CC) after cool...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2013.01.019
更新日期：2013-07-01 00:00:00
abstract：BACKGROUND:The OpenGo seems promising to take gait analysis out of laboratory settings due to its capability of long-term measurements and mobility. However, the OpenGo's concurrent validity and reliability need to be assessed to determine if the instrument is suitable for validation in patient samples. METHODS:Twenty...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2016.10.005
更新日期：2017-01-01 00:00:00
abstract：:Research has demonstrated clear advantages of using an external focus of attention in postural control tasks, presumably since it allows a more automatic control of posture to emerge. However, the influence of cognitive tasks on postural stability has produced discordant results. This study aimed to compare the effect...
journal_title：Gait & posture
pub_type： 杂志文章
doi：10.1016/j.gaitpost.2014.11.009
更新日期：2015-02-01 00:00:00
