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Conference Paper: Dynamic sitting balance control tests in stroke survivors: a study of reliability and validity
Title | Dynamic sitting balance control tests in stroke survivors: a study of reliability and validity |
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Authors | |
Keywords | Medical sciences Cardiovascular diseases |
Issue Date | 2013 |
Publisher | Blackwell Publishing Asia. The Journal's web site is located at http://www.blackwellpublishing.com/editors.asp?ref=1747-4930 |
Citation | The 24th Annual Scientific Meeting of the Stroke Society of Australia, Darwin, Australia, 31 July-02 August 2013. In International Journal of Stroke, 2013, v. 8 suppl. S1, p. 11-12 How to Cite? |
Abstract | BACKGROUND: Stroke survivors may have difficulties to maintain sitting balance due to the impaired control of trunk muscles. However, the temporal and spatial domains of dynamic sitting balance test for stroke survivors are lacking. AIMS: To investigate the reliability and validity of two sitting balance tests, namely limits of stability test (LOS) and sequential weight shifting test (SWS) in stroke survivors. METHODS: Eleven community-dwelling stroke survivors with onset for at least two years (mean time since stroke = 8.0 years [SD 4.0]) and 15 healthy subjects were recruited. Reaction time, maximum excursion, directional control of LOS, and total movement time and directional control of SWS were measured. Modified Function Reach Test (MFRT) and Trunk Impairment Scale (TIS) were also conducted to correlate with LOS and SWS. RESULTS: Excellent test-retest reliability was demonstrated in reaction time (ICC[3,8] = 0.760) and maximum excursion (ICC[3,8] = 0.929) of LOS and total movement time of SWS (ICC[3,3] = 0.864) in stroke survivors. Known groups validity was only shown in reaction time of LOS (p = 0.039) between the two groups. Reaction time of LOS of stroke subjects was significantly correlated with MFRT (r = –0.684, p = 0.020), while directional control of LOS was significantly correlated with the dynamic sitting balance score (r = 0.846, p = 0.001) and total score (r = 0.817, p = 0.002) of TIS. For SWS, total movement time was significantly correlated with dynamic sitting balance score of TIS (r = –0.654, p = 0.029). CONCLUSION: Moderate to excellent test-retest reliability was found in LOS and SWS tests in stroke survivors. The convergence and discrimination perspectives of construct validity were established. |
Description | This free journal suppl. entitled: Special Issue: STROKE 2013 CONFERENCE. 24th Annual Scientific Meeting of the Stroke Society of Australia ... 2013 Oral abstracts |
Persistent Identifier | http://hdl.handle.net/10722/210570 |
ISSN | 2023 Impact Factor: 6.3 2023 SCImago Journal Rankings: 1.800 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Tsang, W | - |
dc.contributor.author | Fong, SM | - |
dc.contributor.author | Ng, SSM | - |
dc.date.accessioned | 2015-06-18T03:00:04Z | - |
dc.date.available | 2015-06-18T03:00:04Z | - |
dc.date.issued | 2013 | - |
dc.identifier.citation | The 24th Annual Scientific Meeting of the Stroke Society of Australia, Darwin, Australia, 31 July-02 August 2013. In International Journal of Stroke, 2013, v. 8 suppl. S1, p. 11-12 | - |
dc.identifier.issn | 1747-4930 | - |
dc.identifier.uri | http://hdl.handle.net/10722/210570 | - |
dc.description | This free journal suppl. entitled: Special Issue: STROKE 2013 CONFERENCE. 24th Annual Scientific Meeting of the Stroke Society of Australia ... 2013 | - |
dc.description | Oral abstracts | - |
dc.description.abstract | BACKGROUND: Stroke survivors may have difficulties to maintain sitting balance due to the impaired control of trunk muscles. However, the temporal and spatial domains of dynamic sitting balance test for stroke survivors are lacking. AIMS: To investigate the reliability and validity of two sitting balance tests, namely limits of stability test (LOS) and sequential weight shifting test (SWS) in stroke survivors. METHODS: Eleven community-dwelling stroke survivors with onset for at least two years (mean time since stroke = 8.0 years [SD 4.0]) and 15 healthy subjects were recruited. Reaction time, maximum excursion, directional control of LOS, and total movement time and directional control of SWS were measured. Modified Function Reach Test (MFRT) and Trunk Impairment Scale (TIS) were also conducted to correlate with LOS and SWS. RESULTS: Excellent test-retest reliability was demonstrated in reaction time (ICC[3,8] = 0.760) and maximum excursion (ICC[3,8] = 0.929) of LOS and total movement time of SWS (ICC[3,3] = 0.864) in stroke survivors. Known groups validity was only shown in reaction time of LOS (p = 0.039) between the two groups. Reaction time of LOS of stroke subjects was significantly correlated with MFRT (r = –0.684, p = 0.020), while directional control of LOS was significantly correlated with the dynamic sitting balance score (r = 0.846, p = 0.001) and total score (r = 0.817, p = 0.002) of TIS. For SWS, total movement time was significantly correlated with dynamic sitting balance score of TIS (r = –0.654, p = 0.029). CONCLUSION: Moderate to excellent test-retest reliability was found in LOS and SWS tests in stroke survivors. The convergence and discrimination perspectives of construct validity were established. | - |
dc.language | eng | - |
dc.publisher | Blackwell Publishing Asia. The Journal's web site is located at http://www.blackwellpublishing.com/editors.asp?ref=1747-4930 | - |
dc.relation.ispartof | International Journal of Stroke | - |
dc.rights | The definitive version is available at www.blackwell-synergy.com | - |
dc.subject | Medical sciences | - |
dc.subject | Cardiovascular diseases | - |
dc.title | Dynamic sitting balance control tests in stroke survivors: a study of reliability and validity | - |
dc.type | Conference_Paper | - |
dc.identifier.email | Fong, SM: smfong@hku.hk | - |
dc.identifier.email | Ng, SSM: ssmng@hku.hk | - |
dc.identifier.authority | Fong, SM=rp01759 | - |
dc.identifier.authority | Ng, SSM=rp00767 | - |
dc.description.nature | link_to_OA_fulltext | - |
dc.identifier.doi | 10.1111/ijs.12142 | - |
dc.identifier.hkuros | 243723 | - |
dc.identifier.volume | 8 | - |
dc.identifier.issue | suppl. S1 | - |
dc.identifier.spage | 11 | - |
dc.identifier.epage | 12 | - |
dc.identifier.isi | WOS:000326078800003 | - |
dc.publisher.place | Australia | - |
dc.identifier.issnl | 1747-4930 | - |