Control of vertical posture while elevating one foot to avoid a real or virtual obstacle
The purpose of this study is to investigate the control of vertical posture during obstacle avoidance in a real versus a virtual reality (VR) environment. Ten healthy participants stood upright and lifted one leg to avoid colliding with a real obstacle sliding on the floor toward a participant and w...
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| Veröffentlicht in: | Experimental brain research 2017-06, Vol.235 (6), p.1677-1687 |
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| creator | Ida, Hirofumi Mohapatra, Sambit Aruin, Alexander |
| description | The purpose of this study is to investigate the control of vertical posture during obstacle avoidance in a real versus a virtual reality (VR) environment. Ten healthy participants stood upright and lifted one leg to avoid colliding with a real obstacle sliding on the floor toward a participant and with its virtual image. Virtual obstacles were delivered by a head mounted display (HMD) or a 3D projector. The acceleration of the foot, center of pressure, and electrical activity of the leg and trunk muscles were measured and analyzed during the time intervals typical for early postural adjustments (EPAs), anticipatory postural adjustments (APAs), and compensatory postural adjustments (CPAs). The results showed that the peak acceleration of foot elevation in the HMD condition decreased significantly when compared with that of the real and 3D projector conditions. Reduced activity of the leg and trunk muscles was seen when dealing with virtual obstacles (HMD and 3D projector) as compared with that seen when dealing with real obstacles. These effects were more pronounced during APAs and CPAs. The onsets of muscle activities in the supporting limb were seen during EPAs and APAs. The observed modulation of muscle activity and altered patterns of movement seen while avoiding a virtual obstacle should be considered when designing virtual rehabilitation protocols. |
| doi_str_mv | 10.1007/s00221-017-4929-0 |
| format | Article |
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Ten healthy participants stood upright and lifted one leg to avoid colliding with a real obstacle sliding on the floor toward a participant and with its virtual image. Virtual obstacles were delivered by a head mounted display (HMD) or a 3D projector. The acceleration of the foot, center of pressure, and electrical activity of the leg and trunk muscles were measured and analyzed during the time intervals typical for early postural adjustments (EPAs), anticipatory postural adjustments (APAs), and compensatory postural adjustments (CPAs). The results showed that the peak acceleration of foot elevation in the HMD condition decreased significantly when compared with that of the real and 3D projector conditions. Reduced activity of the leg and trunk muscles was seen when dealing with virtual obstacles (HMD and 3D projector) as compared with that seen when dealing with real obstacles. These effects were more pronounced during APAs and CPAs. The onsets of muscle activities in the supporting limb were seen during EPAs and APAs. The observed modulation of muscle activity and altered patterns of movement seen while avoiding a virtual obstacle should be considered when designing virtual rehabilitation protocols.</description><identifier>ISSN: 0014-4819</identifier><identifier>EISSN: 1432-1106</identifier><identifier>DOI: 10.1007/s00221-017-4929-0</identifier><identifier>PMID: 28271221</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Adult ; Biomechanical Phenomena ; Biomedical and Life Sciences ; Biomedicine ; Center of pressure ; Computer applications ; Feet ; Female ; Foot - physiology ; Humans ; Leg ; Male ; Motor Activity - physiology ; Muscles ; Neurology ; Neurosciences ; Obstacle avoidance ; Perception (Psychology) ; Physiological aspects ; Postural Balance - physiology ; Posture ; Rehabilitation ; Research Article ; Testing ; Trunk muscles ; Virtual Reality ; Young Adult</subject><ispartof>Experimental brain research, 2017-06, Vol.235 (6), p.1677-1687</ispartof><rights>Springer-Verlag Berlin Heidelberg 2017</rights><rights>COPYRIGHT 2017 Springer</rights><rights>Experimental Brain Research is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c570t-8c1cdf7dca1537b9ab447d17125d9692a588c42dad8a2899aa5a58fe2b0afdea3</citedby><cites>FETCH-LOGICAL-c570t-8c1cdf7dca1537b9ab447d17125d9692a588c42dad8a2899aa5a58fe2b0afdea3</cites><orcidid>0000-0002-1653-1098</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00221-017-4929-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00221-017-4929-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,778,782,27911,27912,41475,42544,51306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28271221$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ida, Hirofumi</creatorcontrib><creatorcontrib>Mohapatra, Sambit</creatorcontrib><creatorcontrib>Aruin, Alexander</creatorcontrib><title>Control of vertical posture while elevating one foot to avoid a real or virtual obstacle</title><title>Experimental brain research</title><addtitle>Exp Brain Res</addtitle><addtitle>Exp Brain Res</addtitle><description>The purpose of this study is to investigate the control of vertical posture during obstacle avoidance in a real versus a virtual reality (VR) environment. Ten healthy participants stood upright and lifted one leg to avoid colliding with a real obstacle sliding on the floor toward a participant and with its virtual image. Virtual obstacles were delivered by a head mounted display (HMD) or a 3D projector. The acceleration of the foot, center of pressure, and electrical activity of the leg and trunk muscles were measured and analyzed during the time intervals typical for early postural adjustments (EPAs), anticipatory postural adjustments (APAs), and compensatory postural adjustments (CPAs). The results showed that the peak acceleration of foot elevation in the HMD condition decreased significantly when compared with that of the real and 3D projector conditions. Reduced activity of the leg and trunk muscles was seen when dealing with virtual obstacles (HMD and 3D projector) as compared with that seen when dealing with real obstacles. These effects were more pronounced during APAs and CPAs. The onsets of muscle activities in the supporting limb were seen during EPAs and APAs. The observed modulation of muscle activity and altered patterns of movement seen while avoiding a virtual obstacle should be considered when designing virtual rehabilitation protocols.</description><subject>Adult</subject><subject>Biomechanical Phenomena</subject><subject>Biomedical and Life Sciences</subject><subject>Biomedicine</subject><subject>Center of pressure</subject><subject>Computer applications</subject><subject>Feet</subject><subject>Female</subject><subject>Foot - physiology</subject><subject>Humans</subject><subject>Leg</subject><subject>Male</subject><subject>Motor Activity - physiology</subject><subject>Muscles</subject><subject>Neurology</subject><subject>Neurosciences</subject><subject>Obstacle avoidance</subject><subject>Perception (Psychology)</subject><subject>Physiological aspects</subject><subject>Postural Balance - physiology</subject><subject>Posture</subject><subject>Rehabilitation</subject><subject>Research Article</subject><subject>Testing</subject><subject>Trunk muscles</subject><subject>Virtual Reality</subject><subject>Young Adult</subject><issn>0014-4819</issn><issn>1432-1106</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kl1rFDEYhYModlv9Ad5IQCj1YmqSyWySy7L4USgIfoB34Z0ks5uSnaxJZtV_b4at2hUlF_l6zuHlcBB6RsklJUS8yoQwRhtCRcMVUw15gBaUt6yhlCwfogUhlDdcUnWCTnO-na-tII_RCZNM0CpdoC-rOJYUA44D3rtUvIGAdzGXKTn8beODwy64PRQ_rnEcHR5iLLhEDPvoLQacXBXEhPc-lWk-9rmACe4JejRAyO7p3X6GPr95_Wn1rrl5__Z6dXXTmE6Q0khDjR2ENUC7VvQKes6FpXW6zqqlYtBJaTizYCUwqRRAV58Gx3oCg3XQnqGLg-8uxa-Ty0VvfTYuBBhdnLKmUnScdFzIir74C72NUxrrdJVSSlKx5OQPtYbgtB-HWBKY2VRfdR0lbUvVTF3-g6rLuq03NaihRncseHkkqExx38sappz19ccPx-z5PXZTEy6bHMNUfBzzMUgPoEkx5-QGvUt-C-mHpkTPFdGHiuhaET1XRM-a53cpTP3W2d-KX52oADsAuX6Na5fuxfRf15_9u8Lh</recordid><startdate>20170601</startdate><enddate>20170601</enddate><creator>Ida, Hirofumi</creator><creator>Mohapatra, Sambit</creator><creator>Aruin, Alexander</creator><general>Springer Berlin Heidelberg</general><general>Springer</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope><scope>0-V</scope><scope>3V.</scope><scope>7QP</scope><scope>7QR</scope><scope>7RV</scope><scope>7TK</scope><scope>7TM</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88G</scope><scope>88J</scope><scope>8AO</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ALSLI</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>K9.</scope><scope>KB0</scope><scope>M0S</scope><scope>M1P</scope><scope>M2M</scope><scope>M2R</scope><scope>NAPCQ</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PSYQQ</scope><scope>Q9U</scope><scope>RC3</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-1653-1098</orcidid></search><sort><creationdate>20170601</creationdate><title>Control of vertical posture while elevating one foot to avoid a real or virtual obstacle</title><author>Ida, Hirofumi ; Mohapatra, Sambit ; Aruin, Alexander</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c570t-8c1cdf7dca1537b9ab447d17125d9692a588c42dad8a2899aa5a58fe2b0afdea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Adult</topic><topic>Biomechanical Phenomena</topic><topic>Biomedical and Life Sciences</topic><topic>Biomedicine</topic><topic>Center of pressure</topic><topic>Computer applications</topic><topic>Feet</topic><topic>Female</topic><topic>Foot - physiology</topic><topic>Humans</topic><topic>Leg</topic><topic>Male</topic><topic>Motor Activity - physiology</topic><topic>Muscles</topic><topic>Neurology</topic><topic>Neurosciences</topic><topic>Obstacle avoidance</topic><topic>Perception (Psychology)</topic><topic>Physiological aspects</topic><topic>Postural Balance - physiology</topic><topic>Posture</topic><topic>Rehabilitation</topic><topic>Research Article</topic><topic>Testing</topic><topic>Trunk muscles</topic><topic>Virtual Reality</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ida, Hirofumi</creatorcontrib><creatorcontrib>Mohapatra, Sambit</creatorcontrib><creatorcontrib>Aruin, Alexander</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Gale In Context: Science</collection><collection>ProQuest Social Sciences Premium Collection</collection><collection>ProQuest Central (Corporate)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Nursing & Allied Health Database</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Psychology Database (Alumni)</collection><collection>Social Science Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Social Science Premium Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Psychology Database</collection><collection>Social Science Database</collection><collection>Nursing & Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest One Psychology</collection><collection>ProQuest Central Basic</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Experimental brain research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ida, Hirofumi</au><au>Mohapatra, Sambit</au><au>Aruin, Alexander</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Control of vertical posture while elevating one foot to avoid a real or virtual obstacle</atitle><jtitle>Experimental brain research</jtitle><stitle>Exp Brain Res</stitle><addtitle>Exp Brain Res</addtitle><date>2017-06-01</date><risdate>2017</risdate><volume>235</volume><issue>6</issue><spage>1677</spage><epage>1687</epage><pages>1677-1687</pages><issn>0014-4819</issn><eissn>1432-1106</eissn><abstract>The purpose of this study is to investigate the control of vertical posture during obstacle avoidance in a real versus a virtual reality (VR) environment. Ten healthy participants stood upright and lifted one leg to avoid colliding with a real obstacle sliding on the floor toward a participant and with its virtual image. Virtual obstacles were delivered by a head mounted display (HMD) or a 3D projector. The acceleration of the foot, center of pressure, and electrical activity of the leg and trunk muscles were measured and analyzed during the time intervals typical for early postural adjustments (EPAs), anticipatory postural adjustments (APAs), and compensatory postural adjustments (CPAs). The results showed that the peak acceleration of foot elevation in the HMD condition decreased significantly when compared with that of the real and 3D projector conditions. Reduced activity of the leg and trunk muscles was seen when dealing with virtual obstacles (HMD and 3D projector) as compared with that seen when dealing with real obstacles. These effects were more pronounced during APAs and CPAs. The onsets of muscle activities in the supporting limb were seen during EPAs and APAs. The observed modulation of muscle activity and altered patterns of movement seen while avoiding a virtual obstacle should be considered when designing virtual rehabilitation protocols.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>28271221</pmid><doi>10.1007/s00221-017-4929-0</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-1653-1098</orcidid></addata></record> |
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| source | MEDLINE; Springer Nature - Complete Springer Journals |
| subjects | Adult Biomechanical Phenomena Biomedical and Life Sciences Biomedicine Center of pressure Computer applications Feet Female Foot - physiology Humans Leg Male Motor Activity - physiology Muscles Neurology Neurosciences Obstacle avoidance Perception (Psychology) Physiological aspects Postural Balance - physiology Posture Rehabilitation Research Article Testing Trunk muscles Virtual Reality Young Adult |
| title | Control of vertical posture while elevating one foot to avoid a real or virtual obstacle |
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