Smooth pursuits decrease balance control during locomotion in young and older healthy females

Authors: Thomas, N.M., Dewhurst, S., Bampouras, T.M., Donovan, T., Macaluso, A. and Vannozzi, G.

Journal: Experimental Brain Research

Volume: 235

Issue: 9

Pages: 2661-2668

eISSN: 1432-1106

ISSN: 0014-4819

DOI: 10.1007/s00221-017-4996-2

Abstract:

Dynamic balance control—characterised as movement of the trunk and lower limbs—was assessed during fixation of a fixed target, smooth pursuits and saccadic eye movements in ten young (22.9 ± 1.5 years) and ten older (72.1 ± 8.2 years) healthy females walking overground. Participants were presented with visual stimuli to initiate eye movements, and posture and gaze were assessed with motion analysis and eye tracking equipment. The results showed an increase in medial/lateral (ML) trunk movement (C7: p = 0.012; sacrum: p = 0.009) and step-width variability (p = 0.052) during smooth pursuits compared to a fixed target, with no changes for saccades compared to a fixed target. The elders demonstrated greater ML trunk movement (sacrum: p = 0.037) and step-width variability (p = 0.037) than the younger adults throughout, although this did not interact with the eye movements. The findings showed that smooth pursuits decreased balance control in young and older adults similarly, which was likely a consequence of more complicated retinal flow. Since healthy elders are typically already at a postural disadvantage, further decreases in balance caused by smooth pursuits are undesirable.

http://eprints.bournemouth.ac.uk/30038/

Source: Scopus

Smooth pursuits decrease balance control during locomotion in young and older healthy females.

Authors: Thomas, N.M., Dewhurst, S., Bampouras, T.M., Donovan, T., Macaluso, A. and Vannozzi, G.

Journal: Exp Brain Res

Volume: 235

Issue: 9

Pages: 2661-2668

eISSN: 1432-1106

DOI: 10.1007/s00221-017-4996-2

Abstract:

Dynamic balance control-characterised as movement of the trunk and lower limbs-was assessed during fixation of a fixed target, smooth pursuits and saccadic eye movements in ten young (22.9 ± 1.5 years) and ten older (72.1 ± 8.2 years) healthy females walking overground. Participants were presented with visual stimuli to initiate eye movements, and posture and gaze were assessed with motion analysis and eye tracking equipment. The results showed an increase in medial/lateral (ML) trunk movement (C7: p = 0.012; sacrum: p = 0.009) and step-width variability (p = 0.052) during smooth pursuits compared to a fixed target, with no changes for saccades compared to a fixed target. The elders demonstrated greater ML trunk movement (sacrum: p = 0.037) and step-width variability (p = 0.037) than the younger adults throughout, although this did not interact with the eye movements. The findings showed that smooth pursuits decreased balance control in young and older adults similarly, which was likely a consequence of more complicated retinal flow. Since healthy elders are typically already at a postural disadvantage, further decreases in balance caused by smooth pursuits are undesirable.

http://eprints.bournemouth.ac.uk/30038/

Source: PubMed

Smooth pursuits decrease balance control during locomotion in young and older healthy females

Authors: Thomas, N.M., Dewhurst, S., Bampouras, T.M., Donovan, T., Macaluso, A. and Vannozzi, G.

Journal: EXPERIMENTAL BRAIN RESEARCH

Volume: 235

Issue: 9

Pages: 2661-2668

eISSN: 1432-1106

ISSN: 0014-4819

DOI: 10.1007/s00221-017-4996-2

http://eprints.bournemouth.ac.uk/30038/

Source: Web of Science (Lite)

Smooth pursuits decrease balance control during locomotion in young and older healthy females.

Authors: Thomas, N.M., Dewhurst, S., Bampouras, T.M., Donovan, T., Macaluso, A. and Vannozzi, G.

Journal: Experimental Brain Research

Publisher: Springer Verlag

ISSN: 0014-4819

DOI: 10.1007/s00221-017-4996-2

Abstract:

Dynamic balance control-characterised as movement of the trunk and lower limbs-was assessed during fixation of a fixed target, smooth pursuits and saccadic eye movements in ten young (22.9 ± 1.5 years) and ten older (72.1 ± 8.2 years) healthy females walking overground. Participants were presented with visual stimuli to initiate eye movements, and posture and gaze were assessed with motion analysis and eye tracking equipment. The results showed an increase in medial/lateral (ML) trunk movement (C7: p = 0.012; sacrum: p = 0.009) and step-width variability (p = 0.052) during smooth pursuits compared to a fixed target, with no changes for saccades compared to a fixed target. The elders demonstrated greater ML trunk movement (sacrum: p = 0.037) and step-width variability (p = 0.037) than the younger adults throughout, although this did not interact with the eye movements. The findings showed that smooth pursuits decreased balance control in young and older adults similarly, which was likely a consequence of more complicated retinal flow. Since healthy elders are typically already at a postural disadvantage, further decreases in balance caused by smooth pursuits are undesirable.

http://eprints.bournemouth.ac.uk/30038/

Source: Manual

Smooth pursuits decrease balance control during locomotion in young and older healthy females.

Authors: Thomas, N.M., Dewhurst, S., Bampouras, T.M., Donovan, T., Macaluso, A. and Vannozzi, G.

Journal: Experimental brain research

Volume: 235

Issue: 9

Pages: 2661-2668

eISSN: 1432-1106

ISSN: 0014-4819

DOI: 10.1007/s00221-017-4996-2

Abstract:

Dynamic balance control-characterised as movement of the trunk and lower limbs-was assessed during fixation of a fixed target, smooth pursuits and saccadic eye movements in ten young (22.9 ± 1.5 years) and ten older (72.1 ± 8.2 years) healthy females walking overground. Participants were presented with visual stimuli to initiate eye movements, and posture and gaze were assessed with motion analysis and eye tracking equipment. The results showed an increase in medial/lateral (ML) trunk movement (C7: p = 0.012; sacrum: p = 0.009) and step-width variability (p = 0.052) during smooth pursuits compared to a fixed target, with no changes for saccades compared to a fixed target. The elders demonstrated greater ML trunk movement (sacrum: p = 0.037) and step-width variability (p = 0.037) than the younger adults throughout, although this did not interact with the eye movements. The findings showed that smooth pursuits decreased balance control in young and older adults similarly, which was likely a consequence of more complicated retinal flow. Since healthy elders are typically already at a postural disadvantage, further decreases in balance caused by smooth pursuits are undesirable.

http://eprints.bournemouth.ac.uk/30038/

Source: Europe PubMed Central

Smooth pursuits decrease balance control during locomotion in young and older healthy females.

Authors: Thomas, N.M., Dewhurst, S., Bampouras, T.M., Donovan, T., Macaluso, A. and Vannozzi, G.

Journal: Experimental Brain Research

Volume: 235

Issue: 9

Pages: 2661-2668

ISSN: 1432-1106

Abstract:

Dynamic balance control-characterised as movement of the trunk and lower limbs-was assessed during fixation of a fixed target, smooth pursuits and saccadic eye movements in ten young (22.9 ± 1.5 years) and ten older (72.1 ± 8.2 years) healthy females walking overground. Participants were presented with visual stimuli to initiate eye movements, and posture and gaze were assessed with motion analysis and eye tracking equipment. The results showed an increase in medial/lateral (ML) trunk movement (C7: p = 0.012; sacrum: p = 0.009) and step-width variability (p = 0.052) during smooth pursuits compared to a fixed target, with no changes for saccades compared to a fixed target. The elders demonstrated greater ML trunk movement (sacrum: p = 0.037) and step-width variability (p = 0.037) than the younger adults throughout, although this did not interact with the eye movements. The findings showed that smooth pursuits decreased balance control in young and older adults similarly, which was likely a consequence of more complicated retinal flow. Since healthy elders are typically already at a postural disadvantage, further decreases in balance caused by smooth pursuits are undesirable.

http://eprints.bournemouth.ac.uk/30038/

Source: BURO EPrints