Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10443
Title: A comparison of surgeon's postural muscle activity during robotic-assisted and laparoscopic rectal surgery
Authors: Szeto, GPY 
Poon, JTC
Law, WL
Keywords: Electromyography
Ergonomics
Laparoscopic
Low anterior resection
Robotic
Surgeons
Issue Date: 2012
Publisher: Springer
Source: Journal of robotic surgery, 2012, p. 1-4 How to cite?
Journal: Journal of robotic surgery 
Abstract: This study compared the muscular activity in the surgeon's neck and upper limbs during robotic-assisted laparoscopic (R-Lap) surgery and conventional laparoscopic (C-Lap) surgery. Two surgeons performed the same procedure of R-Lap and C-Lap low anterior resection, and real-time surface electromyography was recorded in bilateral cervical erector spinae, upper trapezius (UT) and anterior deltoid muscles for over 60 min in each procedure. In one surgeon, forearm muscle activities were also recorded during robotic surgery. Similar levels of cervical muscle activity were demonstrated in both types of surgery. One surgeon showed much higher activity in the left UT muscle during robotic surgery. In the second surgeon, C-Lap was associated with much higher levels of muscle activity in both UT muscles. This may be related to the bilateral abducted arm posture required in maneuvering the laparoscopic instruments. In the forearm region, the "ulnaris" muscles for wrist flexion and extension bilaterally showed high amplitudes during robotic-assisted surgery. Robotic-assisted surgery seemed to demand a higher level of muscle work in the forearm region while greater efforts of shoulder muscles were involved during laparoscopic surgery. There are also individual variations in postural habits and motor control that can affect the muscle activation patterns. This study demonstrated a method of objectively examining the surgeon's physical workload during real-time surgery in the operating theatre, and further research should explore the surgeon's workload in a larger group of surgeons performing different surgical procedures.
URI: http://hdl.handle.net/10397/10443
ISSN: 1863-2483
DOI: 10.1007/s11701-012-0374-z
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