Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Speed and sequential effects in reaching

M H Fischer1, D A Rosenbaum, J Vaughan

  • 1Department of Psychology, University of Massachusetts at Amherst, USA. mfischer@mip.paed.uni-muenchen.de

Journal of Experimental Psychology. Human Perception and Performance
|April 1, 1997
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The suitability of fermenter liquor from MSW as an electron donor for hypersaline sulfate reduction.

Waste management (New York, N.Y.)·2025
Same author

Coexisting Multiple Charge Orders and Magnetism in the Kagome Superconductor LaRu<sub>3</sub>Si<sub>2</sub>.

Advanced materials (Deerfield Beach, Fla.)·2025
Same author

Depth-dependent study of time-reversal symmetry-breaking in the kagome superconductor AV<sub>3</sub>Sb<sub>5</sub>.

Nature communications·2024
Same author

Spontaneous grip force fluctuations mirror semantic numerical magnitude processing: Larger numbers elicit larger forces.

Acta psychologica·2024
Same author

Magnon interactions in a moderately correlated Mott insulator.

Nature communications·2024
Same author

Operando neutron diffraction reveals mechanisms for controlled strain evolution in 3D printing.

Nature communications·2023
Same journal

Human thermal sensitivity drifts at extreme temperatures.

Journal of experimental psychology. Human perception and performance·2026
Same journal

Dynamic competition between selective attention and spatial prediction during visual search.

Journal of experimental psychology. Human perception and performance·2026
Same journal

Encapsulation of the visual perception of social events from semantic priming.

Journal of experimental psychology. Human perception and performance·2026
Same journal

Biasmapping: Idiosyncratic covert search in the vicinity of fixation.

Journal of experimental psychology. Human perception and performance·2026
Same journal

What are you still waiting for? Fricative recognition shows encapsulated processing and is partially predicted by secondary cue reliance.

Journal of experimental psychology. Human perception and performance·2026
Same journal

Eye movements reveal that drivers can predict the location of hazards in dynamic road scenes but gaze and awareness are dissociable.

Journal of experimental psychology. Human perception and performance·2026
See all related articles

Future task demands influence reaching movements by altering joint contributions and postural adjustments. Participants adapted their movements to minimize effort, supporting and extending existing models of motor control.

Area of Science:

  • Human motor control
  • Biomechanics
  • Movement science

Background:

  • Understanding how humans plan and execute movements is crucial for fields like robotics and rehabilitation.
  • Previous models, such as the knowledge model of movement selection, explain some aspects of motor planning.
  • However, the adaptability of movement strategies to evolving task demands requires further investigation.

Purpose of the Study:

  • To examine how anticipating future task demands affects reaching movements.
  • To analyze the contributions of different body joints (hip, shoulder, elbow) during reaching under varying conditions.
  • To investigate the role of postural adjustments in optimizing movement efficiency.

Main Methods:

  • Participants performed repetitive sagittal-plane reaches at different speeds (low and high).

Related Experiment Videos

  • Experimental conditions involved reaching to a primary target and then a secondary target before returning, unlike a control condition with a single target.
  • Kinematic data were collected to analyze joint contributions and postural adjustments.

    • Main Results:

    • The location of the secondary target, movement speed, and repetition significantly influenced the contributions of the hip, shoulder, and elbow to the primary reach.
    • Participants employed a combination of sustained and transient postural adjustments to minimize physical effort.
    • Movement strategies were adapted based on the predicted demands of the upcoming task.

    Conclusions:

    • The findings support the knowledge model of movement selection but indicate a need for its refinement to account for anticipatory adjustments.
    • Future task demands play a significant role in shaping motor control strategies.
    • The study highlights the complex interplay between movement planning, joint coordination, and postural control.