Influence of visual feedback, hand dominance and sex on individuated finger movements

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MARC

Johansson, Anna-Maria,1981-Umeå universitet,Institutionen för psykologi,Avdelningen för fysioterapi,Umeå universitet, Institutionen för psykologi (author)

Influence of visual feedback, hand dominance and sex on individuated finger movements

Article/chapterEnglish2021

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2021-04-19
Springer,2021
electronicrdacarrier

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LIBRIS-ID:oai:DiVA.org:umu-182943
https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-182943URI
https://doi.org/10.1007/s00221-021-06100-0DOI
https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-104817URI

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Language:English
Summary in:English

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

Notes

The ability to perform individual finger movements, highly important in daily activities, involves visual monitoring and proprioception. We investigated the influence of vision on the spatial and temporal control of independent finger movements, for the dominant and non-dominant hand and in relation to sex. Twenty-six healthy middle-aged to old adults (M age = 61 years; range 46–79 years; females n = 13) participated. Participants performed cyclic flexion–extension movements at the metacarpophalangeal joint of one finger at a time while keeping the other fingers as still as possible. Movements were recorded using 3D optoelectronic motion technique (120 Hz). The movement trajectory distance; speed peaks (movement smoothness); Individuation Index (II; the degree a finger can move in isolation from the other fingers) and Stationarity Index (SI; how still a finger remains while the other fingers move) were extracted. The main findings were: (1) vision only improved the II and SI marginally; (2) longer trajectories were evident in the no-vision condition for the fingers of the dominant hand in the female group; (3) longer trajectories were specifically evident for the middle and ring fingers within the female group; (4) females had marginally higher II and SI compared with males; and (5) females had fewer speed peaks than males, particularly for the ring finger. Our results suggest that visual monitoring of finger movements marginally improves performance of our non-manipulative finger movement task. A consistent finding was that females showed greater independent finger control compared with males.

Subject headings and genre

MEDICIN OCH HÄLSOVETENSKAP Hälsovetenskap Sjukgymnastik hsv//swe
MEDICAL AND HEALTH SCIENCES Health Sciences Physiotherapy hsv//eng
Finger movements
Kinematics
Motor control
Sex differences
Spatiotemporal
Vision

Added entries (persons, corporate bodies, meetings, titles ...)

Grip, HelenaUmeå universitet,Avdelningen för fysioterapi,Radiofysik,Umeå universitet, Avdelningen för fysioterapi(Swepub:umu)heagrp96 (author)
Rönnqvist, LouiseUmeå universitet,Institutionen för psykologi,Umeå universitet, Institutionen för psykologi(Swepub:umu)loro0001 (author)
Selling, Jonas,1980-Umeå universitet,Avdelningen för fysioterapi,Umeå universitet, Avdelningen för fysioterapi(Swepub:umu)jose0006 (author)
Boraxbekk, Carl-Johan,1980-Umeå universitet,Diagnostisk radiologi,Danish Research Centre for Magnetic Resonance (DRCMR), Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark; Institute of Sports Medicine Copenhagen (ISMC), Copenhagen University Hospital Bispebjerg, Copenhagen, Denmark,Umeå universitet, Diagnostisk radiologi(Swepub:umu)olncan02 (author)
Strong, AndrewUmeå universitet,Avdelningen för fysioterapi,Umeå universitet, Avdelningen för fysioterapi(Swepub:umu)anst0033 (author)
Häger, Charlotte,Professor,1962-Umeå universitet,Avdelningen för fysioterapi,Umeå universitet, Avdelningen för fysioterapi(Swepub:umu)chha0003 (author)
Umeå universitetInstitutionen för psykologi (creator_code:org_t)

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In:Experimental Brain Research: Springer239:6, s. 1911-19280014-48191432-1106

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