Influence of Physical Activity Level on Lumbar Movement Control

This study aims to compare the two groups of low back pain and health adults. To investigate the relationship among lumbar movement control, standing balance and physical activity. Methods used in the study will be clinical tools such as proprioception test, lumbar movement control, timed one-leg- standing balance and Y-balance test according to the Mat.

Inclusion Criteria:For adults with LBP are: (1) aged from 20 to 65 years old, (2) persistent LBP for more than 3 months.For adults without LBP are: (1) aged from 20 to 65 years old, (2) no specific low back pain in the past 6 months.Exclusion Criteria: (for both groups)Musculoskeletal symptoms of lower extremity in the past 6 monthsHistory of surgeries, fractures, or ruptures to the musculoskeletal structures on the lower limbs and spineCongenital spinal pathologies and deformitiesSensory and neurological deficitsPregnancyBody mass indexes (BMI) >30 kg/m2Self-reported symptoms of dizzinessVisual, vestibular or balance problemsOther conditions affecting balance (eg, drug or alcohol consumption)