abstract：:The effect of widely differing but normal passive ankle flexibility on function was investigated by using able-bodied males selected from the upper and lower tails of a group normally distributed for passive dorsiflexion (DF) flexibility. Ankle, knee and hip kinematics, and kinetics were quantified during stair descen...

journal_title：Gait & posture

authors： Moseley AM,Crosbie J,Adams R

更新日期：2003-10-01 00:00:00

abstract：:This study has analysed the recovery from an induced stumble whilst walking on a treadmill. Four stumbling conditions were tested; at early swing with short and long durations and at mid and late swing with short duration. The experiment set-up, including the possibility of being stumbled, did not alter the normal gai...

journal_title：Gait & posture

authors： Forner Cordero A,Koopman HF,van der Helm FC

更新日期：2003-08-01 00:00:00

abstract：:This paper focuses on the contributions of the gluteus maximus, biceps femoris, gastrocnemius and soleus in maintaining the stability of the stance limb in the sagittal plane during the mid-stance phase of gait. In the absence of any one of these muscles, the potential compensatory changes in muscle activation are exp...

journal_title：Gait & posture

authors： Jonkers I,Stewart C,Spaepen A

更新日期：2003-06-01 00:00:00

abstract：:An induced acceleration analysis (IAA) model was used to investigate the effect of tibial torsion on the ability of the soleus to support and propel the body during gait. The IAA approach is well suited for this study because it allows soleus action to be quantified in the presence of varying amounts of tibial torsion...

journal_title：Gait & posture

authors： Schwartz M,Lakin G

更新日期：2003-04-01 00:00:00

abstract：:The comparative effect of semi-dimensional (SD) and non-dimensional (ND) normalisation on the results of a longitudinal study of gait in 5-12-year old children was investigated. The use of both height and leg length in the normalisation was examined. Only ND analysis could be used to identify subjects with the same ac...

journal_title：Gait & posture

authors： Stansfield BW,Hillman SJ,Hazlewood ME,Lawson AM,Mann AM,Loudon IR,Robb JE

更新日期：2003-02-01 00:00:00

abstract：:In this study, the influence of different prosthetic alignments and components on oxygen consumption and the important biomechanical characteristics of the normal gait pattern of leg amputees was investigated. With 15 transtibial and 12 transfemoral amputees, the oxygen consumption during walking on a treadmill was an...

journal_title：Gait & posture

authors： Schmalz T,Blumentritt S,Jarasch R

更新日期：2002-12-01 00:00:00

abstract：:Assessment of motor disorders forms an important ingredient of neurology, rehabilitation medicine and orthopaedics. Until now, however, many of the employed assessment tools are derived from empirical knowledge. Almost no relation exists with modern theoretical notions about motor control. In the present article, moto...

journal_title：Gait & posture

authors： Mulder T,Zijlstra W,Geurts A

更新日期：2002-10-01 00:00:00

abstract：:Electromyogram (EMG) profiles strongly depend on walking speed and, in pathological gait, patients do not usually walk at normal speeds. EMG data was collected from 14 muscles in two groups of healthy young subjects who walked at five different speeds ranging from 0.75 to 1.75 ms(-1). We found that average EMG profile...

journal_title：Gait & posture

authors： Hof AL,Elzinga H,Grimmius W,Halbertsma JP

更新日期：2002-08-01 00:00:00

abstract：:The purpose of this study was to determine the attentional demands of natural and imposed gait, as well as the attentional costs of transitions between the walking and running co-ordination patterns. Seven healthy young men and four healthy young women undertook an auditory probe reaction time task concurrently with s...

journal_title：Gait & posture

authors： Abernethy B,Hanna A,Plooy A

更新日期：2002-06-01 00:00:00

abstract：:Falls precipitated by slipping are listed among the leading causes of injuries. The biomechanical analysis of such events is a necessary component of the slips/falls prevention research. One of the challenges of biomechanical studies is reproducing the unexpected nature of real-life slipping accidents. Thus, the goal ...

journal_title：Gait & posture

authors： Cham R,Redfern MS

更新日期：2002-04-01 00:00:00

abstract：:The stability of linear and angular momentum of the center of mass (CM) and the underlying coordination of body segments was investigated for a sit-to-stand task to better understand how the nervous system organizes the redundant degrees of freedom available to accomplish this task. From the effector geometry, we deri...

journal_title：Gait & posture

authors： Reisman DS,Scholz JP,Schöner G

更新日期：2002-02-01 00:00:00

abstract：:We investigated the relationship of hip, knee and ankle function to gait speed in healthy elderly subjects. We hypothesized that the hip extension moment would make a significantly smaller contribution to propulsion power in the elderly than in healthy young subjects even when the elders were ambulating at speeds comp...

journal_title：Gait & posture

authors： Riley PO,DellaCroce U,Kerrigan DC

更新日期：2001-12-01 00:00:00

abstract：:The purpose of this study was to assess the reliability of 24 kinetic and kinematic variables from three synchronized systems used to represent normal running gait. Five male runners (mean 23.4 years, mass 80.2 kg) ran down a runway at a constant velocity (3.5-4.0 m/s). This was repeated until 10 acceptable trials had...

journal_title：Gait & posture

authors： Diss CE

更新日期：2001-10-01 00:00:00

abstract：:This study investigated in 15 young adults whether their walking pattern was altered after forewarning for a possible trip. Such changes might affect tripping reactions and consequently the validity of experimental results. Kinematics and dynamics were measured during overground walking. No changes occurred in walking...

journal_title：Gait & posture

authors： Pijnappels M,Bobbert MF,van Dieën JH

更新日期：2001-07-01 00:00:00

abstract：:Tripping over obstacles and imbalance during gait were reported as two of the most common causes of falls in the elderly. Imbalance of the whole body during obstacle crossing may cause inappropriate movement of the lower extremities and result in foot-obstacle contact. Thus, this study was performed to investigate the...

journal_title：Gait & posture

authors： Chou LS,Kaufman KR,Brey RH,Draganich LF

更新日期：2001-02-01 00:00:00

abstract：:The ability to maintain upright body posture depends on the biomechanical properties of a body and on the execution of control programs. The aim of this study was to determine how the structural growth of the human body, between ages 7-18, affects spontaneous sway parameters and to determine how the visual feedback po...

journal_title：Gait & posture

authors： Lebiedowska MK,Syczewska M

更新日期：2000-12-01 00:00:00

abstract：:The purpose of this study was to compare kinematic gait parameters measured with an instrumented walkway system (GAITRite(R)) and a video-based system (peak performance motus 3.1(R)). Subjects walked across a GAITRite mat with embedded pressure sensors. Reflective markers were attached to subjects' shoes and video cap...

journal_title：Gait & posture

authors： Cutlip RG,Mancinelli C,Huber F,DiPasquale J

更新日期：2000-10-01 00:00:00

abstract：:Children with cerebral palsy frequently walk with excessive internal rotation of the hip. Spastic medial hamstrings or adductors are presumed to contribute to the excessive internal rotation in some patients; however, the capacity of these muscles to produce internal rotation during walking in individuals with cerebra...

journal_title：Gait & posture

authors： Arnold AS,Asakawa DJ,Delp SL

更新日期：2000-06-01 00:00:00

abstract：:Healthy young and elderly adults were asked to actively modulate neck muscle stiffness during random rotations of the trunk in the vertical plane. Angular velocity of head with respect to trunk and myoelectric activity of semispinalis capitis and sternocleidomastoid muscles were recorded. A MANOVA was performed on gro...

journal_title：Gait & posture

authors： Keshner EA

更新日期：2000-02-01 00:00:00

abstract：:Without an intact anterior cruciate ligament (ACL) to resist anterior tibial translation, it is commonly believed that ACL-deficient patients employ alterations in walking. Although there is no consensus in the literature about the specific kinematic and kinetic adaptations in these patients with ACL tears, the gait a...

journal_title：Gait & posture

authors： Roberts CS,Rash GS,Honaker JT,Wachowiak MP,Shaw JC

更新日期：1999-12-01 00:00:00

abstract：:Previous studies have identified two discrete strategies for the control of posture in the sagittal plane based on EMG activations, body kinematics, and ground reaction forces. The ankle strategy was characterized by body sway resembling a single-segment-inverted pendulum and was elicited on flat support surfaces. In ...

journal_title：Gait & posture

authors： Runge CF,Shupert CL,Horak FB,Zajac FE

更新日期：1999-10-01 00:00:00

abstract：:Volitional step initiation invariably includes a medio-lateral anticipatory postural adjustment (ML APA), which causes the center of mass (COM) to be propelled toward the stance-limb side prior to the lifting of the swing foot. The present study examined whether this type of anticipatory control plays a functional rol...

journal_title：Gait & posture

authors： McIlroy WE,Maki BE

更新日期：1999-07-01 00:00:00

abstract：:The properties of a new postural stability criterion based on the analysis of the difference between centre of pressure and centre of gravity are discussed. This difference may be regarded as the control variable representing active work of ankle muscles allowing to maintain equilibrium and can be effectively modelled...

journal_title：Gait & posture

authors： Kuczyński M

更新日期：1999-03-01 00:00:00

abstract：:The assumption that proprioceptive inputs from the lower legs are used to trigger balance and gait movements is questioned in this review (an outgrowth of discussions initiated during the Neural Control of Movement Satellite meeting held in Cozumel, Mexico, April 1997). Recent findings presented here suggest that trun...

journal_title：Gait & posture

authors： Allum JH,Bloem BR,Carpenter MG,Hulliger M,Hadders-Algra M

更新日期：1998-12-01 00:00:00

abstract：:Background: Injuries may occur during walking when a sudden stop to avoid a gait path obstacle is called for unexpectedly, but cannot be completed in the time available. Little is known about abilities, particularly those of older adults, to stop suddenly. Methods: Twenty young (mean age 23.4 years) and 20 older (72.6...

journal_title：Gait & posture

authors： Cao C,A Ashton-Miller J,Schultz AB,Alexander NB

更新日期：1998-10-01 00:00:00

abstract：:Segment power can be estimated from the rate of change of segment energy or from segment endpoint dynamics. The inequality between these two calculations is termed the segment power imbalance (DeltaP). Explanations for this imbalance have been largely anecdotal. We used 3D gait data for 20 young, healthy adults to sho...

journal_title：Gait & posture

authors： McGibbon CA,Krebs DE

更新日期：1998-05-01 00:00:00

abstract：:This study investigated the variability of certain kinematic features describing body segmental movement in response to a series of consecutive, translational movements of the supporting base along the anterior-posterior direction of the subject. These kinematic features included the amplitude and timings of the angul...

journal_title：Gait & posture

authors： Wu G

更新日期：1998-03-01 00:00:00

abstract：:To test the sensitivity of knee flexion-extension moment patterns to variation in estimates of the knee center location (KCL), inverse dynamics analysis was performed using three different KCLs for data collected from 18 healthy adult subjects who walked at five different speeds (25%, 50%, 75%, 100% and 125% of 0.785 ...

journal_title：Gait & posture

authors： Holden JP,Stanhope SJ

更新日期：1998-01-01 00:00:00