Kinematical analysis of the trunk, upper limbs and fingers during minimal access surgery when using an armrest

Mansoor Jafri, Stuart Brown, Graham Arnold, Rami Abboud, Weijie Wang (Lead / Corresponding author)

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    This study investigated whether using an armrest could reduce the movements of the trunk, upper limb and hand of surgeons during simulated minimal access surgery. Sixteen surgeons carried out two trials of simulated laparoscopic surgery, one using an armrest and the other without. Reflective markers were attached on the trunk, upper limbs, fingers, minimal access camera (MAC) and scissors, allowing a motion capture system to record the movements. The error ratios during operation, subjective opinions and operative durations were collected. The results showed that total displacements at the trunk and shoulders were reduced by at least 25% when using an armrest compared with not using one; error ratios were reduced by 7%; velocity and acceleration in the trunk, shoulder and MAC were reduced. After simulated operations, 78% of the participants preferred using the armrest. The study indicates that an armrest could improve surgical outcomes by reducing trunk movements.

    Original languageEnglish
    Pages (from-to)1868-1877
    Number of pages10
    JournalErgonomics
    Volume58
    Issue number11
    Early online date8 May 2015
    DOIs
    Publication statusPublished - 2015

    Fingerprint

    Upper Extremity
    Surgery
    surgery
    Fingers
    Cameras
    Laparoscopy
    Hand
    Surgeons

    Keywords

    • Armrest
    • Kinematics
    • Minimal access surgery

    Cite this

    Jafri, Mansoor ; Brown, Stuart ; Arnold, Graham ; Abboud, Rami ; Wang, Weijie. / Kinematical analysis of the trunk, upper limbs and fingers during minimal access surgery when using an armrest. In: Ergonomics. 2015 ; Vol. 58, No. 11. pp. 1868-1877.
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    abstract = "This study investigated whether using an armrest could reduce the movements of the trunk, upper limb and hand of surgeons during simulated minimal access surgery. Sixteen surgeons carried out two trials of simulated laparoscopic surgery, one using an armrest and the other without. Reflective markers were attached on the trunk, upper limbs, fingers, minimal access camera (MAC) and scissors, allowing a motion capture system to record the movements. The error ratios during operation, subjective opinions and operative durations were collected. The results showed that total displacements at the trunk and shoulders were reduced by at least 25{\%} when using an armrest compared with not using one; error ratios were reduced by 7{\%}; velocity and acceleration in the trunk, shoulder and MAC were reduced. After simulated operations, 78{\%} of the participants preferred using the armrest. The study indicates that an armrest could improve surgical outcomes by reducing trunk movements.",
    keywords = "Armrest, Kinematics, Minimal access surgery",
    author = "Mansoor Jafri and Stuart Brown and Graham Arnold and Rami Abboud and Weijie Wang",
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    Kinematical analysis of the trunk, upper limbs and fingers during minimal access surgery when using an armrest. / Jafri, Mansoor; Brown, Stuart ; Arnold, Graham; Abboud, Rami; Wang, Weijie (Lead / Corresponding author).

    In: Ergonomics, Vol. 58, No. 11, 2015, p. 1868-1877.

    Research output: Contribution to journalArticle

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