Intra-individual stability of neuromotor tasks from 6 to 18 years: a longitudinal study.

abstract：:An attempt was made to extend Fitts' law to a three-dimensional movement (pointing) task to enhance its predictive performance in this domain. An experiment was conducted in which 10 subjects performed three-dimensional pointing movements under the manipulation of target size, distance to target and direction to targe...

journal_title：Human movement science

authors： Murata A,Iwase H

更新日期：2001-12-01 00:00:00

abstract：:This paper presents empirical evidence suggesting that healthy humans can perform a two degree of freedom visuo-motor pursuit tracking task with the same response time delay as a one degree of freedom task. In contrast, the time delay of the response is influenced markedly by the nature of the motor synergy required t...

journal_title：Human movement science

authors： Oytam Y,Neilson PD,O'Dwyer NJ

更新日期：2005-10-01 00:00:00

abstract：:We evaluate an improved method for individually determining neuromuscular properties in vivo. The method is based on Hill's equation used as a force law combined with Newton's equation of motion. To ensure the range of validity of Hill's equation, we first perform detailed investigations on in vitro single muscles. Th...

journal_title：Human movement science

authors： Siebert T,Sust M,Thaller S,Tilp M,Wagner H

更新日期：2007-04-01 00:00:00

abstract：:Tripping and falling is a serious health problem for older citizens due to the high medical costs incurred and the high mortality rates precipitated mostly by hip fractures that do not heal well. Current falls prevention technology encompasses a broad range of interventions; both passive (e.g., safer environments, hip...

journal_title：Human movement science

authors： Lai DT,Taylor SB,Begg RK

更新日期：2012-04-01 00:00:00

abstract：:Motor variability (MV) has been suggested to be a determinant of the risk for developing musculoskeletal disorders in repetitive work. In this study we examined whether individuals consistently differed in the extent of motor variability when performing a standardized short-cycle manual task. On three separate days, a...

journal_title：Human movement science

authors： Sandlund J,Srinivasan D,Heiden M,Mathiassen SE

更新日期：2017-01-01 00:00:00

abstract：:Patients with rotator cuff tear and degenerative shoulder joint disease commonly experience severe pain and reduced performance during activities of daily living. A popular way to treat these patients is by means of reverse anatomy shoulder prosthesis. Studying the kinematics of subjects with reverse anatomy implant w...

journal_title：Human movement science

authors： Masjedi M,Lovell C,Johnson GR

更新日期：2011-12-01 00:00:00

abstract：:The aim of the present study was to investigate the effect of expertise on coordination patterns. We thus tested the coordination dynamics of two groups: experts in the handstand also having high expertise in gymnastics and experts in the handstand but only intermediate expertise in gymnastics. All participants were i...

journal_title：Human movement science

authors： Gautier G,Marin L,Leroy D,Thouvarecq R

更新日期：2009-02-01 00:00:00

abstract：:The principle of lower limb support, and the contribution of hip, knee and ankle moments to an overall limb support strategy for an impact-like, rapid deceleration movement may help explain individual moment magnitude changes, thereby providing insight into how injury might occur or be avoided. Twenty subjects perform...

journal_title：Human movement science

authors： Podraza JT,White SC,Ramsey DK

更新日期：2018-04-01 00:00:00

abstract：:This paper explains the effect of a motion platform for driving simulators on postural instability and head vibration exposure. The sensed head level-vehicle (visual cues) level longitudinal and lateral accelerations (ax,sensed=ax_head and ay,sensed=ay_head, ayv=ay_veh and ayv=ay_veh) were saved by using a motion trac...

journal_title：Human movement science

authors： Aykent B,Merienne F,Paillot D,Kemeny A

更新日期：2014-02-01 00:00:00

abstract：:Human gait has been widely investigated under dual-task conditions because it has been demonstrated to be an important way to uncover differences in gait biomechanics between older fallers and non-fallers. However, exactly how simultaneous tasks affect the kinematics of walking remains unclear. In the present study, g...

journal_title：Human movement science

authors： Freire Júnior RC,Porto JM,Marques NR,Magnani PE,Abreu DC

更新日期：2017-01-01 00:00:00

abstract：:This experiment investigated the relationship between motivation, engagement, and learning in a video game task. Previous studies have shown increased autonomy during practice leads to superior retention of motor skills, but it is not clear why this benefit occurs. Some studies suggest this benefit arises from increas...

journal_title：Human movement science

authors： Leiker AM,Bruzi AT,Miller MW,Nelson M,Wegman R,Lohse KR

更新日期：2016-10-01 00:00:00

abstract：BACKGROUND:Tibialis posterior (TP) dysfunction is a common painful complication in patients with rheumatoid arthritis (RA), which can lead to the collapse of the medial longitudinal arch. Different theories have been developed to explain the causality of tibialis posterior dysfunction. In all these theories, pain is a ...

journal_title：Human movement science

authors： Simonsen MB,Yurtsever A,Næsborg-Andersen K,Leutscher PDC,Hørslev-Petersen K,Andersen MS,Hirata RP

更新日期：2019-08-01 00:00:00

abstract：:During anti-phased locomotor tasks such as cycling or walking, hemiparetic phasing of muscle activity is characterized by inappropriate early onset of activity for some paretic muscles and prolonged activity in others. Pedaling with the paretic limb alone reduces inappropriate prolonged activity, suggesting a combined...

journal_title：Human movement science

authors： Rogers LM,Stinear JW,Lewis GN,Brown DA

更新日期：2011-12-01 00:00:00

abstract：:Previous evidence has shown that males and females display different gait kinematics which may influence the perception of emotions displayed through the same walking gait. We therefore investigated the influence of walker gender on the perception of happiness, sadness, anger and fear displayed through walking movemen...

journal_title：Human movement science

authors： Halovic S,Kroos C

更新日期：2018-02-01 00:00:00

abstract：:It is currently unclear whether it is the need to maintain metabolic efficiency, the need to keep skeletal loading below critical force levels, or simple mechanical factors that drive the walk-to-run (W-R) and run-to-walk (R-W) transitions in human gait. Eighteen adults (9 males and 9 females) locomoted on an instrume...

journal_title：Human movement science

authors： Raynor AJ,Yi CJ,Abernethy B,Jong QJ

更新日期：2002-12-01 00:00:00

abstract：:External load training (ELT) is a supplemental training method used to potentially improve high intensity task performance. However, biomechanical parameters such as ground reaction forces (GRF), ground contact time, and time to peak GRF during a drop vertical jump (DVJ) following an ELT intervention have yet to be ex...

journal_title：Human movement science

authors： Simpson JD,Miller BL,O'Neal EK,Chander H,Knight AC

更新日期：2018-06-01 00:00:00

abstract：BACKGROUND:Backward walking training (BWT) is thought to affect gait biomechanics, but relevant evidence has been sparse and inconclusive. OBJECTIVE:This study systematically reviewed and quantified the effectiveness of BWT on spatial-temporal gait characteristics (STGC). METHODS:A keyword and reference search of int...

journal_title：Human movement science

authors： Wang J,Yuan W,An R

更新日期：2018-08-01 00:00:00

abstract：:Prior research has found that the level of regularity in the output of numerous physiological systems is lowest in healthy young adults and higher in groups such as the elderly and those with various diseases. Vascular restriction has been found to stimulate exercise induced responses, including greater muscle activat...

journal_title：Human movement science

authors： James EG,Karabulut M

更新日期：2013-06-01 00:00:00

abstract：:The experiment was conducted to determine the influence of mirror movements in bimanual coordination during life span. Children, young adults, and older adults were instructed to perform a continuous 1:2 bimanual coordination task by performing flexion-extension wrist movements over 30s where symmetrical and non-symme...

journal_title：Human movement science

authors： Leinen P,Vieluf S,Kennedy D,Aschersleben G,Shea CH,Panzer S

更新日期：2016-04-01 00:00:00

abstract：:In a bipedal walk, the human body experiences continuous changes in stability especially during weight loading and unloading transitions which are reported crucial to avoid fall. Prior stability assessment methods are unclear to quantify stabilities during these gait transitions due to methodological and/or measuremen...

journal_title：Human movement science

authors： Mahmood I,Martinez-Hernandez U,Dehghani-Sanij AA

更新日期：2020-02-01 00:00:00

abstract：:With the mounting realization that variability is an inevitable part of human behavior comes the need to integrate this phenomenon in concomitant models and theories of motor control. Among other things, this has resulted in a debate throughout the last decades about the origin of variability in behavior, the outcome ...

journal_title：Human movement science

authors： Ihlen EA,Vereijken B

更新日期：2013-08-01 00:00:00

abstract：:Automated movements adjusting postural control may be hampered during musculoskeletal pain leaving a risk of incomplete control of balance. This study investigated the effect of experimental muscle pain on anticipatory postural adjustments by reaction task movements. While standing, nine healthy males performed two re...

journal_title：Human movement science

authors： Shiozawa S,Hirata RP,Graven-Nielsen T

更新日期：2013-12-01 00:00:00

abstract：:High-speed resistance training is used to increase power; however, momentum can reduce the effectiveness of high-speed (HS) training when using weight-stack (WS) machines. This study used a non-linear scaled wavelet analysis to assess differences between pneumatic (P) and WS during seven HS or controlled speed (CS) re...

journal_title：Human movement science

authors： Napoli NJ,Mixco AR,Bohorquez JE,Signorile JF

更新日期：2015-04-01 00:00:00

abstract：:Several studies have linked poor kinaesthetic ability with poor motor coordination in school-aged children. However, few studies have investigated kinaesthesis in younger children. The aim of this study was to determine if preschool aged children who have been identified as at risk of developing developmental coordina...

journal_title：Human movement science

authors： Coleman R,Piek JP,Livesey DJ

更新日期：2001-03-01 00:00:00

abstract：:It was proposed that grasping is a relatively stereotyped movement pattern which can be subdivided into the components of manipulation, transport, and orientation of the hand. However, it is still a matter of debate whether these components are independent of each other. In three experiments we altered the start postu...

journal_title：Human movement science

authors： Hesse C,Deubel H

更新日期：2009-08-01 00:00:00

abstract：:In human manual activities, the two hands are often engaged in differentiated roles while cooperating with each other to produce an integrated outcome. Using recurrence methods, we studied the asymmetric bimanual action involved in stone bead production by craftsmen of different skill levels, and examined (a) how the ...

journal_title：Human movement science

authors： Nonaka T,Bril B

更新日期：2012-02-01 00:00:00

abstract：:The purpose of this study was to test whether a constant bearing angle strategy could account for the displacement regulations produced by a moving observer when attempting to intercept a ball following a curvilinear path. The participants were asked to walk through a virtual environment and to change, if (deemed) nec...

journal_title：Human movement science

authors： Bastin J,Craig C,Montagne G

更新日期：2006-12-01 00:00:00

abstract：:We explored a two-dimensional task space variant of the classical rhythmical Fitts' task in which participants were asked to sequentially cross four targets arranged around the extreme points of the major axes of an ellipse. Fitts' law was found to adequately describe the changes in movement time with the variations i...

journal_title：Human movement science

authors： Mottet D,Bootsma RJ

更新日期：2001-06-01 00:00:00

abstract：:Over the last decades or so, empirical studies of perception, action, learning, and development have revealed that participants vary in what variable they detect and often rely on nonspecifying variables. This casts doubt on the Gibsonian conception of information as specification. It is argued that a recent ecologica...

journal_title：Human movement science

authors： Withagen R,van der Kamp J

更新日期：2010-02-01 00:00:00

abstract：:The purpose of this study was to elucidate whether the anticipatory postural adjustment (APA) and focal step movement of gait initiation are produced as a single process or different processes and whether the APA receives an inhibitory drive from the ongoing stop process of gait initiation. Healthy humans initiated ga...

journal_title：Human movement science

authors： Mizusawa H,Jono Y,Iwata Y,Kinoshita A,Hiraoka K

更新日期：2017-04-01 00:00:00