Deep Core Muscles and Biopsychosocial in Asymptomatic Adults and NSCLBP

Plain-language summary

The goal of this observational study is to (1) investigate age effects on core muscles, sensorimotor system, psychosocial factors in asymptomatic adults across years of age; (2) explore the differences in biopsychosocial factors between asymptomatic adults and people with non-specific chronic low back pain (NSCLBP); (3) study the correlations between biopsychosocial factors in people with NSCLBP. The main questions it aims to answer : 1. Are the core muscles, lumbar propriocpetion, and psychological measures altered as age increases? 2. Do the core muscles, lumbar propriocpetion, functional performance, psychological measures, disability, and quality of life affected by NSCLBP? 3. following (2), if so, are there correlations between the measured biopsychosocial factors, disability, and quality of life in people with NSCLBP? Researchers will compare between people with NSCLBP and age-matched asymptomatic participants across years of age to see if the effect of age and effect of NSCLBP existed in biopsychosocial factors. Participants will 1. be observed by ultrasound image at the low back and abdominal areas to collect parameters related to trunk deep core muscles, such as changes in muscle thickness from resting state to contraction; 2. ungergo MRI examination to acquire image of deep core muscles; 3. perform lumbar repositioning test which quantifies the lumbar proprioception; 4. perform Timed Up-and-Go Test and Five-Times Sit-to-Stand test, which are used as a measurement of physically functional performance; 5. fill out the psychosocial questionnaires including: Patient-Reported Outcomes Measurement Information System Short Form Depression 4a and Anxiety 4a, Pittsburgh Sleep Quality Index, Pain Catastrophizing Scale, Fear-Avoidance Belief Questionnaire, Oswestry Disability Index, and Heath Survey Short Form-36.

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