Selective Effects of Arm Proximal and Distal Muscles Fatigue on Force Coordination in Manipulation Tasks

Autor:	Slobodan Jaric, Nicholas Emge, Todd D. Royer, Thomas W. Kaminski, Mandic Radivoj, Mehmet Uygur
Rok vydání:	2014
Předmět:	Adult Male Normal force Muscle fatigue Cognitive Neuroscience Biophysics Experimental and Cognitive Psychology Young Adult Muscle Fatigue Arm Humans Female Orthopedics and Sports Medicine Grip force Muscle Skeletal Contact area Load force Psychomotor Performance Mathematics Biomedical engineering
Zdroj:	Journal of Motor Behavior. 46:259-265
ISSN:	1940-1027 0022-2895
Popis:	Effects of muscle fatigue on force coordination and task performance of various manipulation tasks are explored. Grip force (GF; normal force component acting at the digits-object contact area) and load force (LF; tangential component that lifts and holds objects) were recorded prior to and after fatiguing the distal (DAM; i.e., GF producing) and proximal arm muscles (PAM; LF producing). Results reveal a deterioration of GF scaling (i.e., averaged GF-LF ratio), GF-LF coupling (their correlation), and task performance (ability to exert a prescribed LF pattern) associated with DAM, but not PAM fatigue. Deteriorated force coordination clearly increases the likelihood of dropping an object; however, the observed selective effects of DAM and PAM fatigue represent a novel finding deserving of further research.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f608440858c042aef8c4d66b0f9248dc https://doi.org/10.1080/00222895.2014.893981 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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