Walaa Elsayed, Ahmed Farrag, Qassim Muaidi, Nora Almulhim


August 2018, Volume 27, Issue 8, pp 2014 - 2022 Original Article Read Full Article 10.1007/s00586-017-5454-3

First Online: 10 January 2018

Purpose

Sagittal spinal deviation has been reported to be a significant musculoskeletal problem affecting both genders and could develop at any age. Factors triggering this issue are still not well defined. The purpose of this study was to investigate the relationship between sagittal spine angles and isokinetic peak, average torque, and power of trunk muscles in asymptomatic adults.

Methods

A convenient sample of 79 subjects with asymptomatic spine participated in this study. Thoracic and lumbar curves angles were measured using the Formetric 4D device. Thoracolumbar (T/L) ratio was calculated as an indicator of spine balance. Isokinetic peak and average torque and average power for trunk flexors and extensors were measured at 60°/s in seated and semi-standing test positions.

Results

Lumbar curve angle was moderately inversely correlated (p 

Conclusions

Sagittal spine balance is associated with trunk muscles strength in adults, particularly, the lumbar spine muscles. Therefore, assessment of sagittal spinal balance and trunk muscles strength should be taken into consideration when designing rehabilitation programs for correction of sagittal spine curvature.


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