Abstract
To conduct everyday tasks safely and effectively, it is essential to understand spinal kinematics. Even while there have been various attempts to look at the kinematics of the area during daily activities, very little study has specifically focused on the multi-segmental contribution of the thoracic spine. The credibility of actual multi-segment contributions is diminished since the thoracic area has only been investigated as a single segment. This study aims to evaluate the significance of the thoracic spinal segments during various pick-object approaches among healthy individuals. All tasks examined had interclass correlation coefficients (ICC) greater than or equal to 0.97 (0.958–0.996), which indicates a high level of reliability. There were statistically significant variations in the majority of the task completion percentages between tasks with and without a global section (P-value = 0.05). At the middle transition for every segment of the Begin cycle of pick-object, the thoracic spine reaches its maximum mobility. Picking up an object while squat had the least increase in thoracic kinematics as compared to Semi-squat and Stoop indicating the optimal postural implementation for minimizing spinal injury. The results give a clear explanation of the good spinal condition of asymptomatic people and might be helpful for ergonomic spinal rehabilitation.
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Acknowledgements
The authors would like to thank you Shibaura Institute of Technology (SIT), Japan for laboratory facilities and assistance during the completion of this research study and gratitude toward the Universiti Teknologi Malaysia (UTM).
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Appendices
Appendix 1. P-Values of One-Way ANOVA During Begin Cycle of Pick-Object
Approach | POST | POSS | POSQ | |||||
---|---|---|---|---|---|---|---|---|
Task (%) | W/O | W | W/O | W | W/O | W | ||
Percentage of motion completion | 0 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | |
10 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | ||
20 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | ||
30 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | ||
40 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | ||
50 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | ||
60 | 0.976 | 0.994 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | ||
70 | < 0.05 | < 0.05 | 0.001 | 0.001 | < 0.05 | < 0.05 | ||
80 | < 0.05 | < 0.05 | 0.025 | 0.036 | < 0.05 | < 0.05 | ||
90 | < 0.05 | < 0.05 | 0.067 | 0.093 | < 0.05 | < 0.05 | ||
100 | < 0.05 | < 0.05 | 0.073 | 0.101 | < 0.05 | < 0.05 |
Appendix 2. P-Values of One-Way ANOVA During Return Cycle of Pick-Object
Approach | POST | POSS | POSQ | ||||
---|---|---|---|---|---|---|---|
Task (%) | W/O | W | W/O | W | W/O | W | |
Percentage of motion completion | 0 | < 0.05 | < 0.05 | 0.071 | 0.099 | < 0.05 | < 0.05 |
10 | < 0.05 | < 0.05 | 0.034 | 0.047 | < 0.05 | < 0.05 | |
20 | < 0.05 | < 0.05 | 0.001 | 0.001 | < 0.05 | < 0.05 | |
30 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | |
40 | 0.017 | 0.019 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | |
50 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | |
60 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | |
70 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | |
80 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | |
90 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | |
100 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 |
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Abdul Saad, W.A. et al. (2024). The Significance of the Thoracic Spinal Multiple Segments During Different Pick-Object Approaches. In: Mohd. Isa, W.H., Khairuddin, I.M., Mohd. Razman, M.A., Saruchi, S.'., Teh, SH., Liu, P. (eds) Intelligent Manufacturing and Mechatronics. iM3F 2023. Lecture Notes in Networks and Systems, vol 850. Springer, Singapore. https://doi.org/10.1007/978-981-99-8819-8_13
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