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Upper body position analysis of different experience level surgeons during laparoscopic suturing maneuvers using
Kenta Takayasu1, Kenji Yoshida1, Takao Mishima1
1Department of Urology and Andrology, Graduate School of Medicine, Kansai Medical University, Osaka, Japan.
American Journal of Surgery
|July 19, 2018
Summary
Expert surgeons exhibit distinct posture patterns during laparoscopic surgery, including looser arm positioning and more stable head movements. These findings offer insights into skill acquisition and reducing physical strain in surgical procedures.
Area of Science:
- Surgical technique analysis
- Biomechanics in medicine
- Human factors in surgery
Background:
- Laparoscopic surgery requires specific surgeon postures.
- Understanding posture differences can optimize surgical training.
- Previous research has not fully detailed posture variations between skill levels.
Purpose of the Study:
- To analyze and compare the posture patterns of novice and expert surgeons during laparoscopic surgery.
- To identify biomechanical differences related to surgical skill.
- To provide data for improving surgical training and reducing surgeon physical stress.
Main Methods:
- Utilized an optical motion capture system to record upper body movements.
- Included 20 participants divided into novice and expert groups.
- Captured parameters: joint angles (shoulder, elbow, wrist), joint fixation, head movement, and thoracolumbar flexion during suturing tasks.
Main Results:
- Expert surgeons held arms more loosely (7° difference) and bent elbows more (10° difference).
- Experts demonstrated greater shoulder angle changes (1.4x) and more fluid posture.
- Expert surgeons exhibited more stable head movements and reduced thoracolumbar flexion (10° difference).
Conclusions:
- Significant differences in limb positioning and posture exist between novice and expert laparoscopic surgeons.
- These posture variations may indicate more efficient technical skill acquisition.
- Findings suggest potential for reducing physical stress on surgeons through optimized posture and training.
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