The ergonomic impact of patient body mass index on surgeon posture during simulated laparoscopy

Sers, Ryan; Forrester, Stephanie E.; Zecca, Massimiliano; Ward, Steve; Moss, Esther L.

doi:10.1016/j.apergo.2021.103501

Cited by 12 publications

(18 citation statements)

References 38 publications

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“…There are three actions in the shoulder: horizontal rotation (HR), vertical rotation (VR), and rotation (ROT). The motion capture sensor has a built-in accelerometer sensor, gyroscope, etc., and data fusion processing that is conducted by an extended Kalman filter to calculate the angle of the joint from the subject's 3D coordinate data [36,40].…”

Section: Discussionmentioning

confidence: 99%

“…A captive accelerometer-based motion capture device (CAPTIVE Motion, USA) with 14 wearable sensors was used to assess the children's behaviors. It collected the 3D coordinate information of the subject's joints with a frequency of 64 HZ [31][32][33][34][35][36]. The motion sensors integrated a 3-axis accelerometer, a 3-axis gyroscope, and a 3-axis magnetometer with powerful fusion algorithms.…”

Section: Experimental Setting and Equipmentmentioning

confidence: 99%

“…The computer displayed the subject's movements in real-time and recorded the data information for each joint [37,38]; the interface of the experiment data collection platform is shown in Figure 4. coordinate information of the subject's joints with a frequency of 64 HZ [31][32][33][34][35][36]. The motion sensors integrated a 3-axis accelerometer, a 3-axis gyroscope, and a 3-axis magnetometer with powerful fusion algorithms.…”

Section: Experimental Setting and Equipmentmentioning

confidence: 99%

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An Ergonomic Assessment of Different Postures and Children Risk during Evacuations

Jia

Zhang

Gao

et al. 2021

IJERPH

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Crawling is recommended for avoiding high heat and toxic fumes and for obtaining more breathable air during evacuations. Few studies have evaluated the effects of crawling on physical joints and velocity, especially in children. Based on motion capture technology, this study proposes a novel method of using wearable sensors to collect exposure (e.g., mean duration, frequency) on children’s joints to objectively quantify the impacts of different locomotion methods on physical characteristics. An on-site experiment was conducted in a kindergarten with 28 children (13 boys and 15 girls) of different ages (4–6 years old) who traveled up to 22 m in three different postures: upright walking (UW), stoop walking (SW), and knee and hand crawling (KHC). The results showed that: (1) The level of joint fatigue for KHC was heavier than bipedal walking (p < 0.05), which was evidenced by higher mean duration and frequency. There was no significant difference between UW and SW (p > 0.05). (2) The physical characteristics of the children in the different postures observed in this study were different (p < 0.05). The ankle was more fatigued than other joints during bipedal walking. Unlike infants, the wrists and hips of the children became fatigued while crawling. The key actions flexion/extension are more likely to induce joint fatigue vs. other actions. (3) Crawling velocity was significantly slower than the bipedal velocities, and UW was 10.6% faster than SW (p < 0.05). The bipedal walking velocity started to decrease after the children had travelled up to 13 m, while the KHC velocity started to decrease after traveling up to 11.6 m. (4) In a severe fire, the adoption of SW is suggested, as the evacuees can both evacuate quickly and avoid overworking their joints. (5) There were no significant differences in the age (p > 0.05) and gender (p > 0.05) of the children on the joints in any of the three postures. To conclude, KHC causes more damage to body joints compared to bipedal walking, as evidenced by higher exposure (mean duration, frequency), whereas UW and SW are similar in terms of the level of joint fatigue. The above findings are expected to provide a useful reference for future applications in the children’s risk assessment and in the prevention design of buildings.

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Section: Discussionmentioning

confidence: 99%

Section: Experimental Setting and Equipmentmentioning

confidence: 99%

Section: Experimental Setting and Equipmentmentioning

confidence: 99%

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An Ergonomic Assessment of Different Postures and Children Risk during Evacuations

Jia

Zhang

Gao

et al. 2021

IJERPH

View full text Add to dashboard Cite

show abstract

“…All sensors were defined in the local coordinate system, therefore, isolating the motion of each segment where a sensor was positioned. Moreover, the kinematic data for each segment was expressed relative to its parent segment further up the kinematic chain, following the same conventions as described in [ 17 ].…”

Section: Methodsmentioning

confidence: 99%

“…2). Foam with a thickness of 1.7 cm was used for the baseline BMI 20 kg/m 2 , 6.5 cm for 30 kg/m 2 , 9.5 cm for 40 kg/m 2 , and 11 cm for 50 kg/m 2 [17]. The baseline model thickness was based on [18].…”

Section: Instrumentation and Equipmentmentioning

confidence: 99%

Objective assessment of surgeon kinematics during simulated laparoscopic surgery: a preliminary evaluation of the effect of high body mass index models

et al. 2021

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Purpose Laparoscopy is used in many surgical specialties. Subjective reports have suggested that performing laparoscopic surgery in patients with a high body mass index (BMI) is leading to increased prevalence of musculoskeletal symptoms in surgeons. The aim of this study was to objectively quantify the impact on surgeon upper body kinematics and dynamic workload when performing simulated laparoscopy at different BMI levels. Methods Upper body kinematics and dynamic workload of novice, intermediate and expert surgeons were calculated based on measurements from inertial measurement units positioned on upper body segments. Varying thicknesses of foam were used to simulate patient BMIs of 20, 30, 40 and 50 kg/m2 during laparoscopic training. Results Significant increases in the jerkiness, angular speed and cumulative displacement of the head, torso and upper arms were found within all experience groups when subject to the 40 and 50 kg/m2 models. Novice surgeons were found to have less controlled kinematics and larger dynamic workloads compared to the more experienced surgeons. Conclusions Our findings indicate that performing laparoscopic surgery on a high BMI model worsens upper body motion efficiency and efficacy, and increases dynamic workload, producing conditions that are more physically demanding when compared to operating on a 20 kg/m2 model. These findings also suggest that the head, torso, and upper arm segments are especially affected by high BMI models and therefore exposure to patients with high BMIs may increase the risk of musculoskeletal injury when performing laparoscopic surgery.

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A human-cyber-physical system for Operator 5.0 smart risk assessment

Simeone,

Grant,

et al. 2023

Int J Adv Manuf Technol

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In the context of Industry 5.0, characterized by the human-centred transformation of manufacturing processes, assessing operator risk is crucial for ensuring workplace safety and well-being. In this respect, this paper presents the development of a human-cyber-physical system (HCPS) capable of estimating operator risk by leveraging diverse sensing data. By comprehensively analysing complex patterns and interactions among physiological, environmental, and manufacturing variables, the HCPS offers an advanced approach to operator risk assessment. Through the integration of cutting-edge sensing technologies, real-time data collection, and sophisticated analytics paradigms, the HCPS accurately identifies meaningful patterns and anomalies. It dynamically adapts to changing manufacturing conditions, generating risk profiles for operators and work processes. Timely alerts and notifications enable proactive interventions, enhancing safety measures and optimizing work processes. The HCPS empowers decision-making and supporting the well-being and productivity of operators in the Industry 5.0 paradigm, while maintaining a safe working environment. A simulated case study is reported to validate the proposed framework on a variety of industrial scenarios.

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The ergonomic impact of patient body mass index on surgeon posture during simulated laparoscopy

Cited by 12 publications

References 38 publications

An Ergonomic Assessment of Different Postures and Children Risk during Evacuations

An Ergonomic Assessment of Different Postures and Children Risk during Evacuations

Objective assessment of surgeon kinematics during simulated laparoscopic surgery: a preliminary evaluation of the effect of high body mass index models

A human-cyber-physical system for Operator 5.0 smart risk assessment

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