scholarly journals Age-related test-retest reliability of isometric trunk torque measurements in patiens with chronic low back pain

2016 ◽  
Vol 48 (10) ◽  
pp. 893-902 ◽  
Author(s):  
T Kienbacher ◽  
J Kollmitzer ◽  
P Anders ◽  
R Habenicht ◽  
C Starek ◽  
...  
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Chronic Low Back Pain ◽  
Low Back ◽  
Retest Reliability ◽  
Age Related ◽  
Torque Measurements ◽  
Test Retest Reliability ◽  
Related Test

scholarly journals Test–Retest Reliability of an iPhone® Inclinometer Application to Assess the Lumbar Joint Repositioning Error in Non-Specific Chronic Low Back Pain

2021 ◽  
Vol 18 (5) ◽  
pp. 2489
Author(s):  
Alejandro Caña-Pino ◽  
Luís Espejo-Antúnez ◽  
José Carmelo Adsuar ◽  
María Dolores Apolo-Arenas
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Chronic Low Back Pain ◽  
Total Sample ◽  
Joint Position Sense ◽  
Sitting Position ◽  
Low Back ◽  
Retest Reliability ◽  
Lumbar Flexion ◽  
Test Retest Reliability

Background: The joint position sense (JPS) has been used as an indirect marker of proprioception in subjects with non-specific chronic low back pain (NSCLBP), showing impairment in previous studies. It seems necessary to devise reliable tests to measure proprioceptive deficits in subjects with NSLBP. The objective of this study was to analyse the test–retest reliability and smallest real difference (SRD) of lumbar proprioception through the JPS indicator in a sample of patients with NSCLBP. Methods: Fifty participants with NSCLBP performed three repetitions of 30° lumbar flexion while standing and sitting using the iPhone® inclinometer application to measure the lumbar joint repositioning error. For the reliability analysis, we performed an intra-session test–retest. Results: The total sample ICC values were excellent for standing (0.96) and sitting (0.93) 30° lumbar flexion. In addition, our results showed that, for the total sample, an SRD < 12% can be considered as a true change in proprioception concerning this procedure. On the other hand, men have better reliability than women in both standing and sitting positions. Additionally, the sitting position has better reliability than the standing position. The standard error of measurement (SEM) percentage was 4.2 for standing and 3.8 for sitting. The SRD percentage was 11.6 for standing and 10.4 for sitting. Conclusions: The iPhone® inclinometer seems reliable for assessing proprioceptive ability through the lumbar joint repositioning error in subjects with NSCLBP in both standing (ICC = 0.96) and sitting (ICC = 0.93) positions. This technological device showed a lower measurement error for sitting position (SRD < 12%).

scholarly journals Reliability of Sonography Measures of the Lumbar Multifidus and Transversus Abdominis during Static and Dynamic Activities in Subjects with Non-Specific Chronic Low Back Pain

Diagnostics ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 632
Author(s):  
Eleuterio A. Sánchez Romero ◽  
José Luis Alonso Pérez ◽  
Alberto Carlos Muñoz Fernández ◽  
Andrea Battaglino ◽  
Matteo Castaldo ◽  
...  
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Chronic Low Back Pain ◽  
Transversus Abdominis ◽  
Low Back ◽  
Lumbar Multifidus ◽  
Retest Reliability ◽  
Contraction Ratio ◽  
Test Retest Reliability ◽  
Thickness Measurements

Purpose: The purpose of this study was to investigate the test-retest reliability of ultrasound (US) thickness measurements and the muscle contraction ratio (CR) of lumbar multifidus (LM) and transversus abdominis (TA) muscles in participants with and without nonspecific chronic low back pain (NCLBP). Methods: A total of 62 participants (37 with NCLBP, 25 without NCLBP) with participated in the study. The within-day and between-day reliability of US thickness measurements and CR in a lying (supine for TA and prone for LM) and sitting positions for both muscles (sitting on a gym ball with both feet on the ground or lifting one foot off the floor) were assessed. Reliability analysis was performed with intraclass correlations (ICCs) for these two static and dynamic positions. Results: Test-retest reliability was calculated to be good to high for the static position (ICC = 0.72–0.95) and the dynamic position (ICC = 0.74–0.94) sonographic measurements in both group of TA measurement. Test-retest reliability of LM measurements was good to high for the static position (ICC = 0.82–0.95) and the dynamic position (ICC = 0.85–0.97) sonographic measurements in both groups. Conclusions: US imaging is a highly reliable method for the assessment of TA and LM thickness muscles in the dynamic position in participants with and without NCLBP. The CR measures may be adequately reliable in assessing the function of the TA and LM muscles in participants with NCLBP and healthy ones.

Lumbar Flexion During Driving: Establishing a Methodology for Characterising Real-Time Posture Data Collected by Innovative Technology

2021 ◽  
pp. 001872082110583
Author(s):  
Sarah Tinitali ◽  
Terry Haines ◽  
Kelly-Ann Bowles
Keyword(s):  
Low Back Pain ◽  
Back Pain ◽  
Standard Deviation ◽  
Real Time ◽  
Low Back ◽  
Retest Reliability ◽  
Lumbar Flexion ◽  
Measurement Tools ◽  
Driving Posture ◽  
Test Retest Reliability

Objective To determine a methodology for the analysis of real-time driving posture data in the low back pain population. Background The strength of the relationship between driving posture and low back pain is yet to be defined due to the lack of studies in the field using validated and repeatable posture measurement tools. Reliable and validated real-time measurement tools are now available, yet reliable methods of analysis of these data are yet to be established. Method Ten occupational drivers completed a typical work shift while wearing an inertial motion sensor system (dorsaVi ViMove). Real-time lumbar flexion data were extracted, with test–retest reliability of mean lumbar flexion, peak lumbar flexion, and standard deviation of lumbar flexion analysed at different times across a work shift, and in different sections within a drive. Results Mean lumbar flexion was highly repeatable over numerous drives in one day, with greater test–retest reliability if the first five minutes of driving data were excluded. Peak lumbar flexion had acceptable test-retest reliability over numerous drives in one day, while standard deviation of lumbar flexion was not a repeatable measure. Conclusion Mean lumbar flexion was a reliable outcome for characterising driving posture in drivers with low back pain. Peak lumbar flexion may be used if appropriate to the individual study. Standard deviation of lumbar flexion is not a reliable posture outcome. Application This paper provides a reliable methodology for analysis of real-time driving posture data in occupational drivers with low back pain.

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