Test-retest reliability of sit-to-stand and stand-to-sit analysis in people with and without chronic non-specific low back pain

Mohammad Reza Pourahmadi, Ismail Ebrahimi Takamjani, Shapour Jaberzadeh, Javad Sarrafzadeh, Mohammad Ali Sanjari, Rasool Bagheri, Elham Jannati

Research output: Contribution to journalArticleResearchpeer-review

5 Citations (Scopus)

Abstract

Background: Sit-to-stand (STD) and stand-to-sit (SIT) analysis can provide information on functional independence in daily activities in patients with low back pain (LBP). However, in order for measurements to be clinically useful, data on psychometric properties should be available. Objectives: The main purpose was to investigate intra-rater reliability of STD and SIT tasks in participants with and without chronic non-specific LBP (CNLBP). The second purpose was to detect any differences in lumbar spine and hips sagittal plane kinematics and coordination between asymptomatic individuals and CNLBP patients during STD and SIT. Design: Cross-sectional study. Method: Twenty-three CNLBP patients and 23 demographically-matched controls were recruited. Ten markers were placed on specific anatomical landmarks. Participants were asked to perform STD and SIT at a preferred speed. Peak flexion angles, mean angular velocities, lumbar to hip movement ratios, and relative phase angles were measured. The procedure was repeated after 2 h and 6–8 days. Differences between two groups were analyzed using independent t-test. Intraclass correlation coefficient (ICC 3,k), standard error of measurement (SEM), and limits of agreement (LOAs) were also estimated. Results: The ICC values showed moderate to excellent intra-rater reliability, with relatively low SEM values (≤10.17°). The 95% LOAs demonstrated that there were no differences between the measured parameters. Furthermore, CNLBP patients had limited sagittal plane angles, smaller angular velocities, and lumbar-hip dis-coordination compared to asymptomatic participants. Conclusions: The results indicated moderate to excellent test-retest reliability of STD and SIT analysis. Moreover, CNLBP patients had altered kinematics during STD and its reverse.

Original languageEnglish
Pages (from-to)95-104
Number of pages10
JournalMusculoskeletal Science and Practice
Volume35
DOIs
Publication statusPublished - 1 Jun 2018

Keywords

  • Biomechanical phenomena
  • Functional activity
  • Low back pain
  • Reproducibility of results

Cite this

Pourahmadi, Mohammad Reza ; Ebrahimi Takamjani, Ismail ; Jaberzadeh, Shapour ; Sarrafzadeh, Javad ; Sanjari, Mohammad Ali ; Bagheri, Rasool ; Jannati, Elham. / Test-retest reliability of sit-to-stand and stand-to-sit analysis in people with and without chronic non-specific low back pain. In: Musculoskeletal Science and Practice. 2018 ; Vol. 35. pp. 95-104.
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Test-retest reliability of sit-to-stand and stand-to-sit analysis in people with and without chronic non-specific low back pain. / Pourahmadi, Mohammad Reza; Ebrahimi Takamjani, Ismail; Jaberzadeh, Shapour; Sarrafzadeh, Javad; Sanjari, Mohammad Ali; Bagheri, Rasool; Jannati, Elham.

In: Musculoskeletal Science and Practice, Vol. 35, 01.06.2018, p. 95-104.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Test-retest reliability of sit-to-stand and stand-to-sit analysis in people with and without chronic non-specific low back pain

AU - Pourahmadi, Mohammad Reza

AU - Ebrahimi Takamjani, Ismail

AU - Jaberzadeh, Shapour

AU - Sarrafzadeh, Javad

AU - Sanjari, Mohammad Ali

AU - Bagheri, Rasool

AU - Jannati, Elham

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N2 - Background: Sit-to-stand (STD) and stand-to-sit (SIT) analysis can provide information on functional independence in daily activities in patients with low back pain (LBP). However, in order for measurements to be clinically useful, data on psychometric properties should be available. Objectives: The main purpose was to investigate intra-rater reliability of STD and SIT tasks in participants with and without chronic non-specific LBP (CNLBP). The second purpose was to detect any differences in lumbar spine and hips sagittal plane kinematics and coordination between asymptomatic individuals and CNLBP patients during STD and SIT. Design: Cross-sectional study. Method: Twenty-three CNLBP patients and 23 demographically-matched controls were recruited. Ten markers were placed on specific anatomical landmarks. Participants were asked to perform STD and SIT at a preferred speed. Peak flexion angles, mean angular velocities, lumbar to hip movement ratios, and relative phase angles were measured. The procedure was repeated after 2 h and 6–8 days. Differences between two groups were analyzed using independent t-test. Intraclass correlation coefficient (ICC 3,k), standard error of measurement (SEM), and limits of agreement (LOAs) were also estimated. Results: The ICC values showed moderate to excellent intra-rater reliability, with relatively low SEM values (≤10.17°). The 95% LOAs demonstrated that there were no differences between the measured parameters. Furthermore, CNLBP patients had limited sagittal plane angles, smaller angular velocities, and lumbar-hip dis-coordination compared to asymptomatic participants. Conclusions: The results indicated moderate to excellent test-retest reliability of STD and SIT analysis. Moreover, CNLBP patients had altered kinematics during STD and its reverse.

AB - Background: Sit-to-stand (STD) and stand-to-sit (SIT) analysis can provide information on functional independence in daily activities in patients with low back pain (LBP). However, in order for measurements to be clinically useful, data on psychometric properties should be available. Objectives: The main purpose was to investigate intra-rater reliability of STD and SIT tasks in participants with and without chronic non-specific LBP (CNLBP). The second purpose was to detect any differences in lumbar spine and hips sagittal plane kinematics and coordination between asymptomatic individuals and CNLBP patients during STD and SIT. Design: Cross-sectional study. Method: Twenty-three CNLBP patients and 23 demographically-matched controls were recruited. Ten markers were placed on specific anatomical landmarks. Participants were asked to perform STD and SIT at a preferred speed. Peak flexion angles, mean angular velocities, lumbar to hip movement ratios, and relative phase angles were measured. The procedure was repeated after 2 h and 6–8 days. Differences between two groups were analyzed using independent t-test. Intraclass correlation coefficient (ICC 3,k), standard error of measurement (SEM), and limits of agreement (LOAs) were also estimated. Results: The ICC values showed moderate to excellent intra-rater reliability, with relatively low SEM values (≤10.17°). The 95% LOAs demonstrated that there were no differences between the measured parameters. Furthermore, CNLBP patients had limited sagittal plane angles, smaller angular velocities, and lumbar-hip dis-coordination compared to asymptomatic participants. Conclusions: The results indicated moderate to excellent test-retest reliability of STD and SIT analysis. Moreover, CNLBP patients had altered kinematics during STD and its reverse.

KW - Biomechanical phenomena

KW - Functional activity

KW - Low back pain

KW - Reproducibility of results

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