Obesity is known to be an independent risk factor for musculoskeletal disorders; however, the mechanism behind the association between obesity and lower back pain is not yet fully understood. In an effort to add to the available research, Nigerian scientists investigated the spinal curvature of 300 individuals of varying body shapes/sizes and found those with both an above-normal body mass index and waist-hip ratio were more likely to have greater curvature in the lumbar spine. This suggests the spines of those who are overweight or obese have an increased curve (“sway back”) to accommodate a greater load which the researchers speculate may increase their risk for developing lower back pain.
Patient Preference and Adherence, March 2016