Effects of biomechanical and task constraints on the organization of movement in precision aiming

Experimental Brain Research
Laure Fernandez, Reinoud J Bootsma

Abstract

Nine participants performed a reciprocal precision aiming task under different experimental conditions. Due to the anisotropy of the work space, varying the direction of motion (from 0 degrees to 315 degrees in steps of 45 degrees ) allowed exploration of the effects of biomechanical constraints that were found to affect the duration of movement but not the shape of the kinematic pattern. Varying the size of the targets to be attained (W: 2.5, 1.25, and 0.625 cm, for a constant intertarget distance of 10 cm) and the nature (linear or non-linear) of the mapping between effector space (motion of a handheld stylus on a graphics tablet) and task space (motion of a pointer between targets on a computer screen) also led to changes in movement duration. However, the latter type of constraint gave rise to systematic changes in the pattern of movement, with progressively more difficult tasks being characterized by progressively less harmonic motion patterns. We conclude that in contrast to (biomechanical) constraints at the level of the effector, (informational) constraints at the level of the task affect the processes underlying movement organization. For the range of values studied, the effects of these two types of constraint can be ...Continue Reading

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Citations

Mar 14, 2009·Experimental Brain Research·Eli Brenner, Jeroen B J Smeets
Jul 13, 2011·Experimental Brain Research·Eli Brenner, Jeroen B J Smeets
Sep 10, 2010·Journal of Motor Behavior·Brent C HatfieldJohn B Shea
Oct 25, 2012·Journal of Motor Behavior·Maaike A HuysmansJaap H van Dieën
Mar 19, 2013·Journal of Sports Sciences·Clare Elizabeth DadswellAdrian Burden
Nov 26, 2013·Experimental Brain Research·Konstantinos P Michmizos, Hermano Igo Krebs
Sep 23, 2010·Clinical Biomechanics·José M Baydal-BertomeuJaime M Prat
Jan 9, 2007·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·M A HuysmansJ H van Dieën
Jul 25, 2006·Human Movement Science·Laure FernandezReinoud J Bootsma
Nov 28, 2006·Human Movement Science·Shelby G ThompsonMichael Bohan
Oct 30, 2013·Journal of Motor Behavior·Hugo Loeches De La FuenteGuillaume Rao
Jul 20, 2016·The Quarterly Journal of Experimental Psychology : QJEP·Hayley ColmanAda Kritikos
Mar 23, 2017·PloS One·Denis MottetIsabelle Laffont
Sep 29, 2006·Journal of Neurophysiology·Emmanuel GuigonMichel Desmurget
Jun 10, 2017·Scientific Reports·Hester KnolViktor K Jirsa
Nov 12, 2020·Scientific Reports·Vicente RajaPaco Calvo
Oct 1, 2020·Journal of Neurophysiology·Matthew I BeckerAbigail L Person

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