Effects of the Weight and Balance of Head-Mounted Displays on Physical Load

Ito, Kodai; Tada, Minoru; Ujike, Hiroyasu; Hyodo, Keiichiro

doi:10.3390/app11156802

Cited by 21 publications

(4 citation statements)

References 9 publications

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“…In addition, the authors explicitly recommend that AR HMD designers should work with ergonomics experts and ensure that devices are investigated across different working conditions. This is also in accordance with the findings of Ito et al [30], who state that improving the comfort of HMDs requires specific considerations regarding weight balance.…”

Section: Research Gaps In Human Factors and Ergonomics Aspects Of Ar ...supporting

confidence: 92%

Key Ergonomics Requirements and Possible Mechanical Solutions for Augmented Reality Head-Mounted Displays in Surgery

D’Amato

Cutolo

Badiali

et al. 2022

MTI

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In the context of a European project, we identified over 150 requirements for the development of an augmented reality (AR) head-mounted display (HMD) specifically tailored to support highly challenging manual surgical procedures. The requirements were established by surgeons from different specialties and by industrial players working in the surgical field who had strong commitments to the exploitation of this technology. Some of these requirements were specific to the project, while others can be seen as key requirements for the implementation of an efficient and reliable AR headset to be used to support manual activities in the peripersonal space. The aim of this work is to describe these ergonomic requirements that impact the mechanical design of the HMDs, the possible innovative solutions to these requirements, and how these solutions have been used to implement the AR headset in surgical navigation. We also report the results of a preliminary qualitative evaluation of the AR headset by three surgeons.

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Section: Research Gaps In Human Factors and Ergonomics Aspects Of Ar ...supporting

confidence: 92%

Key Ergonomics Requirements and Possible Mechanical Solutions for Augmented Reality Head-Mounted Displays in Surgery

D’Amato

Cutolo

Badiali

et al. 2022

MTI

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show abstract

“…These less heavy devices can give more biomechanical results since the distribution of forces is not altered with the VR system [ 42 ]. Despite this, early studies suggest that good neck muscles that can withstand this torque can make this device functional with neck movement [ 43 ]. In short, the use of the Meta Quest 2 virtual reality headset was justified according to the previous scientific literature based on other IMUs and camera systems.…”

Section: Discussionmentioning

confidence: 99%

Head-Mounted Display for Clinical Evaluation of Neck Movement Validation with Meta Quest 2

Trinidad-Fernández

Bossavit

Fernández

et al. 2023

Sensors

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Neck disorders have a significant impact on people because of their high incidence. The head-mounted display (HMD) systems, such as Meta Quest 2, grant access to immersive virtual reality (iRV) experiences. This study aims to validate the Meta Quest 2 HMD system as an alternative for screening neck movement in healthy people. The device provides data about the position and orientation of the head and, thus, the neck mobility around the three anatomical axes. The authors develop a VR application that solicits participants to perform six neck movements (rotation, flexion, and lateralization on both sides), which allows the collection of corresponding angles. An InertiaCube3 inertial measurement unit (IMU) is also attached to the HMD to compare the criterion to a standard. The mean absolute error (MAE), the percentage of error (%MAE), and the criterion validity and agreement are calculated. The study shows that the average absolute errors do not exceed 1° (average = 0.48 ± 0.09°). The rotational movement’s average %MAE is 1.61 ± 0.82%. The head orientations obtain a correlation between 0.70 and 0.96. The Bland–Altman study reveals good agreement between the HMD and IMU systems. Overall, the study shows that the angles provided by the Meta Quest 2 HMD system are valid to calculate the rotational angles of the neck in each of the three axes. The obtained results demonstrate an acceptable error percentage and a very minimal absolute error when measuring the degrees of neck rotation; therefore, the sensor can be used for screening neck disorders in healthy people.

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“…The viewing experience in an immersive virtual environment can provide a high sense of realism but has two drawbacks: first, it cannot be used for a prolonged time because of dizziness and discomfort (Jin et al, 2021); and second, HMDs can cause pain and fatigue in the user's head due to the weight and balance problems of the equipment (Ito et al, 2021). These drawbacks indicate the necessity of finding solutions that apply DEs and VEs in appropriate contexts.…”

Section: Space Perception In Vesmentioning

confidence: 99%

Enhancing Design Activity and Review Experience Through Hybridizing Desktop and Virtual Environments

Kim

Park

et al. 2023

Journal of Interior Design

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Although virtual reality (VR) applications can provide immersive experiences, the design process is mainly executed in a desktop environment (DE). The omniscient point-of-view of the desktop allows the user to explore shapes and objects and their relationships with each other conveniently and efficiently. However, unlike a VR environment (VE), it is difficult for the user to perceive the space through their natural spatial perception from the first-person point-of-view in a DE. Although VEs and DEs have advantages and limitations, research exploring the design activity and review experience using these two mediums is limited. Thus, a method of integrating the characteristics and advantages of existing VEs and DEs is proposed as a hybrid design environment (HE). Empirical comparisons of the three environments (VE, DE, and HE) were performed according to the indicators of system usability, perceived workload, and satisfaction through a series of user experiments (n = 12), showing that the HE was superior on all indicators to the VE. Specifically, participants evaluated the usability of the VE method as the worst and found no significant difference between the usability of the DE and the HE. Perceived workload demand was significantly greater in the VE, and satisfaction levels were also significantly lower than in the other environments. Although the HE allowed both desktop and VR use, participants spent most of their time in the DE and used the VE primarily for design review.

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Effects of the Weight and Balance of Head-Mounted Displays on Physical Load

Cited by 21 publications

References 9 publications

Key Ergonomics Requirements and Possible Mechanical Solutions for Augmented Reality Head-Mounted Displays in Surgery

Key Ergonomics Requirements and Possible Mechanical Solutions for Augmented Reality Head-Mounted Displays in Surgery

Head-Mounted Display for Clinical Evaluation of Neck Movement Validation with Meta Quest 2

Enhancing Design Activity and Review Experience Through Hybridizing Desktop and Virtual Environments

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