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

Static single-arm force generation with kinematic constraints.

Peng Pan1, Michael A Peshkin, J Edward Colgate

  • 1Mechanical Engineering Department, 2145 Sheridan Road, Evanston, IL 60208, USA.

Journal of Neurophysiology
|February 11, 2005
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

Strontium-Functionalized Biomaterials for Bone Regeneration: Mechanisms, Biological Functions, and Clinical Translational Progress.

International journal of nanomedicine·2026
Same author

TraC promotes complement evasion of Salmonella enterica serovar Choleraesuis by recruiting host C4b-binding protein.

Microbial pathogenesis·2026
Same author

Clarifying exposure heterogeneity in a review of HERVs and neurodegenerative diseases.

Brain, behavior, and immunity·2026
Same author

Prediction of overall survival in patients with hepatocellular carcinoma and second primary malignancies: a prognostic model based on the SEER database.

Translational cancer research·2026
Same author

Identification and validation of hub genes associated with neutrophil immunosuppression during Sepsis.

Cellular immunology·2026
Same author

The MEOX1-PAX1 axis coordinately regulates tumor cell malignancy and Treg differentiation in glioblastoma.

Scientific reports·2026
Same journal

Targeting intracranial electrical stimulation to network regions defined within individuals causes network-level effects.

Journal of neurophysiology·2026
Same journal

When "Noise" Isn't Simply Noise: Deterministic Postural Drive During Noisy Galvanic Vestibular Stimulation (nGVS).

Journal of neurophysiology·2026
Same journal

Abrupt Scene Onsets and Gradually Emerging Scene Information Produce Distinct EEG Decoding Dynamics.

Journal of neurophysiology·2026
Same journal

From discovery to translation: charting a course for the <i>Journal of Neurophysiology</i>.

Journal of neurophysiology·2026
Same journal

Neuromodulatory Strategies Overcome Multiple Inevitable Impairments of Cerebral Palsy.

Journal of neurophysiology·2026
Same journal

Acute Fentanyl Toxicity:From Opioid-Induced to Hypoxia-Mediated Pathophysiology.

Journal of neurophysiology·2026
See all related articles

Humans utilize "force freedoms" during object manipulation tasks, applying extra forces even when unnecessary. This study reveals consistent patterns in how these forces are used, suggesting underlying objective functions guide human motor control.

Area of Science:

  • Human motor control and biomechanics
  • Robotics and human-robot interaction
  • Human factors and ergonomics

Background:

  • Kinematic constraints reduce motion freedoms but introduce force freedoms.
  • Understanding how humans utilize these force freedoms is crucial for manipulation tasks.

Purpose of the Study:

  • To investigate how subjects use force freedoms in static and dynamic manipulation.
  • To identify underlying principles governing the selection of hand forces during constrained tasks.

Main Methods:

  • Subjects held a manipulandum against a constant pulling force on a low-friction rail.
  • Analysis of applied forces, including those orthogonal to the primary task direction (constraint forces).
  • Development of an objective function model to interpret subject force choices.

Related Experiment Videos

Main Results:

  • Subjects applied significant and consistent constraint forces, independent of task requirements.
  • These forces varied predictably based on arm and constraint configurations.
  • The data support an objective function model where level sets are convex and scale-invariant.

Conclusions:

  • Human motor control actively utilizes force freedoms, not just minimizing effort.
  • Objective functions governing force selection are consistent and predictable.
  • Findings inform models of human manipulation and robotic control strategies.