Effect of abdominal obesity on lumbar spinal curvature and abdominal and back muscle strength in female young adult
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Abstract
Background: Abdominal obesity is a health condition that caused musculoskeletal disorders because the center of gravity moves more anteriorly from the lumbar spine than normal. This condition induces a change in posture and increases the load on spines that leading to an abnormality of spine and trunk muscles.
Objective: To compare lumbar spine curvature and abdominal and back muscle strength between normal weight and abdominal obesity in female young adults and to study the correlation between lumbar spine curvature and waist circumference and between abdominal and back muscle strength and waist circumference.
Methods: 52 female, young adult participants age range 18 – 25 years were divided into 2 groups, normal weight, and abdominal obesity groups. All of the participants had moderate physical activity levels. Lumbar spinal curvature and abdominal and back muscle strength of both groups were assessed by using a flexible ruler and handheld dynamometer respectively.
Results: There were statistically significant differences of lumbar spinal curvature and abdominal and back muscle strength between normal weight and abdominal obesity groups (p<0.05) (0.32±0.56, 0.23±0.55, 0.37±0.55, 0.25±0.58 kg. respectively). Moreover, the lumbar spine curvature was positively correlated with waist circumference, and the abdominal and back muscle strength was negatively correlated with waist circumference.
Conclusion: Abdominal obesity affected increased lumbar spinal curvature and abdominal and back muscle strength. Moreover, waist circumference was positively correlated with lumbar spinal curvature and negatively correlated with abdominal and back muscle strength. Thus, it showed that abdominal obesity caused changes in the structure of the bones and muscles that may lead to lower back pain in people with obesity in the future.
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References
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