Patients With Chronic Low Back Pain Have an Individual Movement Signature: A Comparison of Angular Amplitude, Angular Velocity and Muscle Activity Across Multiple Functional Tasks

Despite a large body of evidence demonstrating spinal movement alterations in individuals with chronic low back pain (CLBP), there is still a lack of understanding of the role of spinal movement behavior on LBP symptoms development or recovery. One reason for this may be that spinal movement has been studied during various functional tasks without knowing if the tasks are interchangeable, limiting data consolidation steps. The first objective of this cross-sectional study was to analyze the influence of the functional tasks on the information carried by spinal movement measures. To this end, we first analyzed the relationships in spinal movement between various functional tasks in patients with CLBP using Pearson correlations. Second, we compared the performance of spinal movement measures to differentiate patients with CLBP from asymptomatic controls among tasks. The second objective of the study was to develop task-independent measures of spinal movement and determine the construct validity of the approach. Five functional tasks primarily involving sagittal-plane movement were recorded for 52 patients with CLBP and 20 asymptomatic controls. Twelve measures were used to describe the sagittal-plane angular amplitude and velocity at the lower and upper lumbar spine as well as the activity of the erector spinae. Correlations between tasks were statistically significant in 91 out of 99 cases (0.31 ≤ r ≤ 0.96, all p < 0.05). The area under the curve (AUC) to differentiate groups did not differ substantially between tasks in most of the comparisons (82% had a difference in AUC of ≤0.1). The task-independent measures of spinal movement demonstrated equivalent or higher performance to differentiate groups than functional tasks alone. In conclusion, these findings support the existence of an individual spinal movement signature in patients with CLBP, and a limited influence of the tasks on the information carried by the movement measures, at least for the twelve common sagittal-plane measures analysed in this study. Therefore, this work brought critical insight for the interpretation of data in literature reporting differing tasks and for the design of future studies. The results also supported the construct validity of task-independent measures of spinal movement and encouraged its consideration in the future.

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Effect of Medicinal Cannabis Therapy (Mct) On Severity of Chronic Low Back Pain, Sciatica and Lumbar Range of Motion

Journal of Anesthesia & Pain Medicine ◽

10.33140/japm/01/02/00006 ◽

2016 ◽

Vol 1 (2) ◽

Cited By ~ 1

Keyword(s):

Low Back Pain ◽

Back Pain ◽

Range Of Motion ◽

Chronic Low Back Pain ◽

Sagittal Plane ◽

Treatment Protocol ◽

Adjunctive Treatment ◽

Low Back ◽

Patient Reported ◽

Medicinal Cannabis

Background: Anecdotal evidence indicates the possible efficacy of cannabis use as an adjunctive treatment in chronic low back pain. The purpose of the current study was to assess the results of treatment of patients suffering from chronic low back pain by medicinal cannabis (MCT). Methods: A cohort of 46 patients was followed for a minimum of twelve months. They were evaluated at baseline prior to MCT, 3 months later when MCT was begun and up to 12 months of MCT by patient reported outcome questionnaire (SF-12), visual analogue scale (VAS) and the Brief Pain Inventory (BPI), back specific function was assessed using the Oswestry score, range of motion was measured using the Saunders digital inclinometer. Opiate use was assessed using pharmacy dispensation records at baseline and after 12 months of MCT. Inclusion criteria included: age over 25 years, sciatica with documented treatment for at least 12 months, evidence on CT or MRI scan of disc herniation or spinal stenosis, failure of at least two narcotic drugs, and consent to use medicinal cannabis. Exclusion criteria included evidence of bone cancer, evidence of diabetic neuropathy, and evidence of prior psychotic reactions. Treatment protocol: Cannabis usage was at a fixed dosage of 20 grams per month, dose increase was considered at least after 6 months of treatment. The cannabis was smoked at a recommended rate of 4 dosages per day. Results: After 12 months of MCT BPI VAS decreased from 8.4 ± 1.4 to 2.0 ± 2.0; SF12-PCS improved from 47 ± 14 to 55 ± 12; SF12-MCS improved from 44 ± 6 to 50 ± 10; and sagittal plane active range of motion improved from 34º ± 8º degrees to 48º ± 8º, In conclusion, short term usage of smoked medicinal cannabis appear to improve both physical and mental function while decreasing pain levels of chronic low back pain sufferers.

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77 Comparison between Swiss Ball Exercise and Sling Exercise on Lumbar Stability and Postural Stability in Patients with Non-Specific Chronic Low Back Pain: A Pilot Study

Age and Ageing ◽

10.1093/ageing/afz164.77 ◽

2019 ◽

Vol 48 (Supplement_4) ◽

pp. iv18-iv27

Author(s):

Apinkarn Jaroenlarp ◽

Pitsinee Fuengjit ◽

Jirapat Sukeeyuti ◽

Parichart Sophap ◽

Chadarat Chirasaengthong

Keyword(s):

Low Back Pain ◽

Back Pain ◽

Chronic Low Back Pain ◽

Functional Disability ◽

Sagittal Plane ◽

Postural Sway ◽

Neuromuscular Control ◽

Coronal Plane ◽

Low Back ◽

Significant Difference

Abstract Objective This study was to comparison of level of lumbar stability and postural sway in sagittal plane and coronal plane between exercise with ball and sling in the patients with non-specific chronic low back pain (NCLBP). Methodology Twenty participants with NCLBP aged 20 to 55 years were randomly divided into exercise with ball group (BG) and exercise with sling group (SG). Both groups performed 8 exercise sessions; two times per week for four weeks. The visual analog scale (VAS), modified oswestry disability questionnaire (MODQ), modified isometric stability test (MIST) were used to measure at baseline, week 2 and week 4 after exercise. Moreover, the sway area and sway velocity were evaluated at before and after training. Both group performed exercise 15 repetitions per set for 3 sets with 1-minute resting between set. A repeated two-way ANOVA was used to analyze the difference variables between both groups. Results The results showed significant difference between pre and post treatment of pain intensity, functional disability, MIST and postural sway in both groups (p<.001). When compared between both groups, the reduction in all parameters for the BG group was significantly higher than the SG group (p<.05). Moreover, the findings represented that the postural sway in both sagittal and coronal plane showed no significant difference between both groups after complete treatment. Conclusion The core stabilization exercise with ball and with sling can provided reduction of pain and functional disability. Moreover, the BG group is more effective for decreasing of pain, disability and improving of lumbar stability may described by greater perturbation of the ball. During perform exercise on ball bring to unstable and increasing of neuromuscular control. These results can applied to clinical practice for choosing the appropriate exercise program in the patients with NCLBP.

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WAVELET ANALYSIS OF LOW BACK SURFACE EMG SIGNALS SUBJECT TO UNEXPECTED LOAD

Journal of Mechanics in Medicine and Biology ◽

10.1142/s0219519404001004 ◽

2004 ◽

Vol 04 (03) ◽

pp. 389-400 ◽

Cited By ~ 1

Author(s):

M. H. POPE ◽

N. D. PANAGIOTACOPULOS ◽

W. STIELAU ◽

K. FRIESEN ◽

J. S. LEE

Keyword(s):

Low Back Pain ◽

Back Pain ◽

Reaction Time ◽

Chronic Low Back Pain ◽

Erector Spinae ◽

Back Surface ◽

Initial Reaction ◽

Clinical Test ◽

Low Back ◽

Normal Subject

This study reports a new technique for the analysis of electromyographic signals from the low back muscles. More specifically, the effect of unexpected load on a normal subject and a subject with chronic low back pain was determined and quantified using wavelet based analysis (Morlet wavelet). The analysis was performed using a Wavelet software system, subsequently referred to as PSCW. The system identified automatically, accurately, and in a uniquely reproducible manner the time response of the erector spinae muscle. The exact number of responses as well as their corresponding time and amplitude were determined and tabulated. It was observed that the initial reaction time for the normal subject was faster than the reaction time for the subject chronic low back pain. The importance of this observation may help in the understanding of the physiology of the neuromuscular system associated with low back spine disorders. It is believed that an occupational and clinical test based on this observation that could give an accurate assessment of the status of low back disorder could be designed. Based on this assessment a rehabilitation program could be developed with the objective of improving the condition of a spine disorder (decrease the initial response time) by muscle strengthening.

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19.6 Persons with chronic low back pain (LBP)demonstrate reduced sagittal plane joint torques in response to surface translations

Gait & Posture ◽

10.1016/s0966-6362(05)80402-3 ◽

2005 ◽

Vol 21 ◽

pp. S122

Author(s):

S.L. Jones ◽

S.M. Henry ◽

C.C. Raasch ◽

J.R. Hitt ◽

J.Y. Bunn

Keyword(s):

Low Back Pain ◽

Back Pain ◽

Chronic Low Back Pain ◽

Sagittal Plane ◽

Low Back ◽

Joint Torques ◽

Plane Joint

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Effects of Whole Body Vibration exercise on Lumbar-Abdominal Muscles Activation for patients with chronic low back pain

10.21203/rs.3.rs-54803/v1 ◽

2020 ◽

Author(s):

yulin dong ◽

huifang wang ◽

Yan Zhu ◽

Binlin Chen ◽

Yili Zheng ◽

...

Keyword(s):

Low Back Pain ◽

Back Pain ◽

Chronic Low Back Pain ◽

Muscle Activity ◽

Whole Body Vibration ◽

Abdominal Muscle ◽

Erector Spinae ◽

Whole Body ◽

Low Back ◽

Body Vibration

Abstract BackgroundWhole body vibration (WBV) training as an intervention method can cure chronic low back pain (CLBP). Different WBV parameters exert different effects on lumbar-abdominal muscle performance. Currently, there is a lack of study researched the influence of WBV training on patients with CLBP by lumbar–abdominal muscle activity. Therefore, this study aimed to investigate how WBV and exercise and their interactions influence lumbar-abdominal muscle activity in patients with CLBP.Methodsa group of ambulatory patients with chronic low back pain. Muscle activities of the multifidus, erector spinae, abdominal oblique externus muscle and the rectus abdominis muscle were measured by surface electromyography, whereas participants performed 4 different exercises during three whole body vibration conditions and a no-vibration condition in a single experimental session.ResultsCompared with the same exercises without whole body vibration, muscle activity increased when whole body vibration was added to the exercises. The frequency and exercise presented significant effects on the root mean square of multifidus, whereas exercise and frequency also resulted in significant interaction effects.ConclusionAdding whole body vibration to exercise could increase muscle activation of lumbar–abdominal muscle in patients with CLBP. The optimum frequency for lumbar–abdominal muscles is 15 Hz. The best exercises include plank for multifidus and erector spinae, V crunch for rectus abdominis and single bridge for abdominal oblique externus.Trial registration:ChiCTR-TRC-13003708. Registered 19 October 2013, http://www.chictr.org.cn/showproj.aspx?proj=5852

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Electrophysiological Function of the Lumbar Multifidus and Erector Spinae Muscles in Elderly Patients With Chronic Low Back Pain

Clinical Spine Surgery ◽

10.1097/bsd.0000000000000709 ◽

2019 ◽

Vol 32 (1) ◽

pp. E13-E19

Author(s):

Yoshihito Sakai ◽

Hiroki Matsui ◽

Sadayuki Ito ◽

Tetsuro Hida ◽

Kenyu Ito ◽

...

Keyword(s):

Low Back Pain ◽

Back Pain ◽

Elderly Patients ◽

Chronic Low Back Pain ◽

Erector Spinae ◽

Low Back ◽

Lumbar Multifidus

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Psychomotor Speed in Chronic Low-Back Pain Patients and Healthy Controls: Construct Validity and Clinical Significance of the Measure

Perceptual and Motor Skills ◽

10.2466/pms.1998.87.3f.1283 ◽

1998 ◽

Vol 87 (3_suppl) ◽

pp. 1283-1296 ◽

Cited By ~ 20

Author(s):

Satu Luoto ◽

Hannu Alaranta ◽

Simo Taimela ◽

Heikki Hurri

Keyword(s):

Low Back Pain ◽

Back Pain ◽

Construct Validity ◽

Clinical Significance ◽

Chronic Low Back Pain ◽

Healthy Controls ◽

Low Back ◽

Psychomotor Speed ◽

Pain Patients

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A simple functional classification for unspecific chronic low back pain with special respect to the sagittal plane

Scoliosis ◽

10.1186/1748-7161-4-s2-o6 ◽

2009 ◽

Vol 4 (S2) ◽

Author(s):

HR Weiss ◽

M Werkmann ◽

S Bohr

Keyword(s):

Low Back Pain ◽

Back Pain ◽

Chronic Low Back Pain ◽

Sagittal Plane ◽

Low Back ◽

Functional Classification ◽

Special Respect

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Reliability of the endurance test for the erector spinae muscle

Fisioterapia em Movimento ◽

10.1590/0103-5150.029.002.ao16 ◽

2016 ◽

Vol 29 (2) ◽

pp. 369-375 ◽

Cited By ~ 3

Author(s):

Cíntia Pereira de Souza ◽

Renato Sobral Monteiro-Junior ◽

Elirez Bezerra da Silva

Keyword(s):

Low Back Pain ◽

Back Pain ◽

Chronic Low Back Pain ◽

Erector Spinae ◽

Muscle Endurance ◽

Low Back ◽

Endurance Test ◽

Erector Spinae Muscle ◽

Standard Error Of Measurement ◽

Sedentary Women

Abstract Introduction: The low resistance of the erector spinae has been seen as a risk factor for developing chronic low back pain. The test of the erector spinae muscle endurance advocated by Biering-Sorensen has been used to assess the strength of the erector spinae muscle. Modifications of the measuring instrument require reliability studies. Objective: To evaluate the measurement of the erector spinae muscle endurance and the standard error of measurement (SEM) of the modified Biering-Sorensen test of erector spinae in women with chronic low back pain. Methods: Forty-eight sedentary women, aged 52 ±7, suffering from chronic low back pain, were tested. The position adopted was the prone position without the trunk on the examining table. Fixations were performed with straps at the ankles, knees and pelvis. The patient was instructed to maintain the shoulder blades in contact with the stadiometer as long as possible. The measurement was repeated, with measures 15 minutes apart. Results: Considering the confidence limits of Bland & Altman, - 40 and 68 seconds, the SEM was13 seconds and SEM% was 22. The ICC = 0.87 with p = 0.001. The first test was equal to 54 ± 36 seconds, and the retest = 67 ± 40 seconds. Conclusion: The endurance test of the erector spinae showed moderate reliability. Therefore, we suggest that, despite its applicability in clinical practice, the results should be interpreted carefully because the differences in mean erector spinae endurance of up to 13 seconds may be related to measurement error.

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