Reliability of the sit-up test in individuals with spinal cord injury

The Journal of Spinal Cord Medicine
K D CurrieA Krassioukov

Abstract

To determine the day-to-day reliability of blood pressure responses during a sit-up test in individuals with a traumatic spinal cord injury (SCI). Within-subject, repeated measures design. Community outpatient assessments at a research laboratory at the University of British Columbia. Five men and three women with traumatic SCI (age: 31 ± 6 years; C4-T11; American Spinal Injury Association Impairment Scale A-B; 1-17 years post-injury). Maximum change in systolic (ΔSBP) and diastolic (ΔDBP) blood pressure upon passively moving from a supine to seated position. The average values for ΔSBP were -11 ± 13 mmHg (range -38 to 3 mmHg) for visit 1, and -12 ± 8 mmHg (range -26 to -1 mmHg) for visit 2. The average values for ΔDBP were -9 ± 8 mmHg (range -21 to 0 mmHg) for visit 1, and -13 ± 8 mmHg (range -29 to -3 mmHg) for visit 2. The ΔSBP demonstrated substantial reliability with an intraclass correlation coefficient of 0.79 (P = 0.006; 95% CI 0.250-0.953), while the ΔDBP demonstrated almost perfect reliability with an intraclass correlation coefficient of 0.92 (P < 0.001; 95% CI 0.645-0.983). The smallest detectable differences in ΔSBP and ΔDBP were 7 mmHg and 6 mmHg, respectively. Blood pressure responses to the sit-up test are relia...Continue Reading

References

Jul 1, 1996·Journal of the American College of Cardiology·D G BendittD L Wood
Apr 19, 2005·Experimental Physiology·Tim J Gabbett, Greg C Gass
Dec 23, 2006·Journal of Neurotrauma·Victoria E Claydon, Andrei V Krassioukov
May 2, 2009·Archives of Physical Medicine and Rehabilitation·Andrei KrassioukovUNKNOWN Spinal Cord Injury Rehabilitation Evidence Research Team
Aug 31, 2010·Archives of Physical Medicine and Rehabilitation·Jill M WechtWilliam A Bauman
Feb 15, 2012·The Journal of Spinal Cord Medicine·Steven C KirshblumWilliam Waring

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Citations

Jan 1, 2016·Archives of Physical Medicine and Rehabilitation·Sevda C AslanAlexander V Ovechkin
Apr 30, 2017·Scandinavian Journal of Medicine & Science in Sports·J W SquairA V Krassioukov

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