On Shooting Stars

Elor, Aviv; Powell, Michael Ora; Mahmoodi, Evanjelin; Hawthorne, Nico; Teodorescu, Mircea; Kurniawan, Sri

doi:10.1145/3396249

Cited by 38 publications

(9 citation statements)

References 70 publications

(85 reference statements)

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“…However, compared to the frequently used projection technologies for VR (such as curved screens combined with treadmills), a recent study clearly highlighted the advantages of VR-HMDs. Elor et al (2020) compared the experience of exergaming between HMDs and a Cave Automated Virtual Environment (CAVE) and found that the HMD excelled in in-game performance, biofeedback response, and player engagement for both healthy individuals and users with cognitive disabilities. In addition, AR and VR as well HMDs are technologies that still undergo a tremendous development, so we can expect them to become even more capable, lighter, and robust in the near future.…”

Section: Discussionmentioning

confidence: 99%

Overground Walking in a Fully Immersive Virtual Reality: A Comprehensive Study on the Effects on Full-Body Walking Biomechanics

Horsak

Simonlehner

Schöffer

et al. 2021

Front. Bioeng. Biotechnol.

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Virtual reality (VR) is an emerging technology offering tremendous opportunities to aid gait rehabilitation. To this date, real walking with users immersed in virtual environments with head-mounted displays (HMDs) is either possible with treadmills or room-scale (overground) VR setups. Especially for the latter, there is a growing interest in applications for interactive gait training as they could allow for more self-paced and natural walking. This study investigated if walking in an overground VR environment has relevant effects on 3D gait biomechanics. A convenience sample of 21 healthy individuals underwent standard 3D gait analysis during four randomly assigned walking conditions: the real laboratory (RLab), a virtual laboratory resembling the real world (VRLab), a small version of the VRlab (VRLab−), and a version which is twice as long as the VRlab (VRLab+). To immerse the participants in the virtual environment we used a VR-HMD, which was operated wireless and calibrated in a way that the virtual labs would match the real-world. Walking speed and a single measure of gait kinematic variability (GaitSD) served as primary outcomes next to standard spatio-temporal parameters, their coefficients of variant (CV%), kinematics, and kinetics. Briefly described, participants demonstrated a slower walking pattern (−0.09 ± 0.06 m/s) and small accompanying kinematic and kinetic changes. Participants also showed a markedly increased gait variability in lower extremity gait kinematics and spatio-temporal parameters. No differences were found between walking in VRLab+ vs. VRLab−. Most of the kinematic and kinetic differences were too small to be regarded as relevant, but increased kinematic variability (+57%) along with increased percent double support time (+4%), and increased step width variability (+38%) indicate gait adaptions toward a more conservative or cautious gait due to instability induced by the VR environment. We suggest considering these effects in the design of VR-based overground training devices. Our study lays the foundation for upcoming developments in the field of VR-assisted gait rehabilitation as it describes how VR in overground walking scenarios impacts our gait pattern. This information is of high relevance when one wants to develop purposeful rehabilitation tools.

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Section: Discussionmentioning

confidence: 99%

Overground Walking in a Fully Immersive Virtual Reality: A Comprehensive Study on the Effects on Full-Body Walking Biomechanics

Horsak

Simonlehner

Schöffer

et al. 2021

Front. Bioeng. Biotechnol.

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“…Comparatively, Sun and Yang (2022) sculpted a multisensor skiing simulator with safety, training and virtual simulation at its core. On another note, Elor et al (2020) pitted two immersive VR systems, the Cave Automated Virtual Environment and HMD, against each other, deducing the latter's superior engagement and efficacy. Such comparative insights provide a nuanced perspective on the capabilities and potential areas of improvement for each system.…”

Section: Skill Acquisition and Technique Trainingmentioning

confidence: 99%

Sensor fusion-based virtual reality for enhanced physical training

Li,

Fan,

Deng

et al. 2024

RIA

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Purpose This study aims to offer a comprehensive exploration of the potential and challenges associated with sensor fusion-based virtual reality (VR) applications in the context of enhanced physical training. The main objective is to identify key advancements in sensor fusion technology, evaluate its application in VR systems and understand its impact on physical training. Design/methodology/approach The research initiates by providing context to the physical training environment in today’s technology-driven world, followed by an in-depth overview of VR. This overview includes a concise discussion on the advancements in sensor fusion technology and its application in VR systems for physical training. A systematic review of literature then follows, examining VR’s application in various facets of physical training: from exercise, skill development and technique enhancement to injury prevention, rehabilitation and psychological preparation. Findings Sensor fusion-based VR presents tangible advantages in the sphere of physical training, offering immersive experiences that could redefine traditional training methodologies. While the advantages are evident in domains such as exercise optimization, skill acquisition and mental preparation, challenges persist. The current research suggests there is a need for further studies to address these limitations to fully harness VR’s potential in physical training. Originality/value The integration of sensor fusion technology with VR in the domain of physical training remains a rapidly evolving field. Highlighting the advancements and challenges, this review makes a significant contribution by addressing gaps in knowledge and offering directions for future research.

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“…Thus, it is essential to evaluate the effectiveness of VR in order to de ne its future designs and implementations. The VR environment motivates patients to perform repetitive, motor-intensive tasks that are crucial for rehabilitation [40][41][42][43][44]. A brief adaptive game can improve mobility, motor function, and mental well-being in comparison with conventional rehabilitation techniques.…”

Section: Introductionmentioning

confidence: 99%

Immersive Virtual Reality Enhanced Reinforcement Induced Physical Therapy (EVEREST) A pilot case–control study of virtual reality-enhanced upper limb rehabilitation for stroke survivors

Altukhaim,

Sakabe,

Nagaratnam

et al. 2023

Preprint

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Motor impairment of the upper limb after a stroke is common, which negatively impacts patients’ quality of life. New technologies have been applied to stroke rehabilitation alongside conventional techniques in recent years. For example, immersive virtual reality (IVR) has emerged as a new treatment approach for stroke rehabilitation, simulating real-life activities to work on self-care skills. In this pilot study, we evaluated the efficacy of the IVR. Eighteen participants were randomized to an IVR group to receive VR intervention plus physical therapy (PT) sessions or a control group to receive PT sessions alone. Participants were instructed to reach with either their affected or unaffected hand to a randomly appearing target in the VR. The movement of the virtual image of the affected upper limb was reinforced by visual feedback to the participants. Treatment effects on motor recovery were investigated using the Fugl-Meyer upper extremity (FM) scale, kinematic dataset, and a questionnaire to obtain information regarding the sense of agency and comments about the training sessions in the IVR environment. The IVR group exhibited significant improvements in FM scores (p < 0.05) compared with the control group, reflecting the recovery of UE motor function. The time to target in the last session reduced compared with that in the first session, indicating motor learning and recovery of the affected limb (p < 0.05). The patients were highly engaged and motivated during the sessions because they felt like they were in charge of the virtual image of their upper body. The results suggest that positive reinforcement within the IVR could encourage the motor recovery of the affected hand and may facilitate the application of motor learning and neuroplasticity principles during neurological rehabilitation.

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On Shooting Stars

Cited by 38 publications

References 70 publications

Overground Walking in a Fully Immersive Virtual Reality: A Comprehensive Study on the Effects on Full-Body Walking Biomechanics

Overground Walking in a Fully Immersive Virtual Reality: A Comprehensive Study on the Effects on Full-Body Walking Biomechanics

Sensor fusion-based virtual reality for enhanced physical training

Immersive Virtual Reality Enhanced Reinforcement Induced Physical Therapy (EVEREST) A pilot case–control study of virtual reality-enhanced upper limb rehabilitation for stroke survivors

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