Virtual reality head-mounted goggles increase the body sway of young adults during standing posture

2020 ◽  
Vol 737 ◽  
pp. 135333
Author(s):  
Luis Felipe Itikawa Imaizumi ◽  
Paula Fávaro Polastri ◽  
Tiago Penedo ◽  
Luiz Henrique Palucci Vieira ◽  
Lucas Simieli ◽  
...  
1977 ◽  
Vol 70 (10special1) ◽  
pp. 1113-1190
Author(s):  
Rokuro Shimada
Keyword(s):  
The Body ◽  

2011 ◽  
Vol 113 (2) ◽  
pp. 547-556 ◽  
Author(s):  
Tamotsu Kitabayashi ◽  
Masanobu Uchiyama ◽  
Shin-Ichi Demura ◽  
Haruka Kawabata ◽  
Tomohiro Demura

PLoS ONE ◽  
2021 ◽  
Vol 16 (9) ◽  
pp. e0258000
Author(s):  
Shaquitta Dent ◽  
Kelley Burger ◽  
Skyler Stevens ◽  
Benjamin D. Smith ◽  
Jefferson W. Streepey

Movement of the visual environment presented through virtual reality (VR) has been shown to invoke postural adjustments measured by increased body sway. The effect of auditory information on body sway seems to be dependent on context with sounds such as white noise, tones, and music being used to amplify or suppress sway. This study aims to show that music manipulated to match VR motion further increases body sway. Twenty-eight subjects stood on a force plate and experienced combinations of 3 visual conditions (VR translation in the AP direction at 0.1 Hz, no translation, and eyes closed) and 4 music conditions (Mozart’s Jupiter Symphony modified to scale volume at 0.1 Hz and 0.25 Hz, unmodified music, and no music) Body sway was assessed by measuring center of pressure (COP) velocities and RMS. Cross-coherence between the body sway and the 0.1 Hz and 0.25 Hz stimuli was also determined. VR translations at 0.1 Hz matched with 0.1Hz shifts in music volume did not lead to more body sway than observed in the no music and unmodified music conditions. Researchers and clinicians may consider manipulating sound to enhance VR induced body sway, but findings from this study would not suggest using volume to do so.


2016 ◽  
Vol 136 (8) ◽  
pp. 1135-1141
Author(s):  
Ryo Hasegawa ◽  
Amir Maleki ◽  
Masafumi Uchida
Keyword(s):  
The Body ◽  

Spine ◽  
2008 ◽  
Vol 33 (13) ◽  
pp. E435-E441 ◽  
Author(s):  
Niko Paalanne ◽  
Raija Korpelainen ◽  
Simo Taimela ◽  
Jouko Remes ◽  
Pertti Mutanen ◽  
...  

2020 ◽  
Vol 1 (2) ◽  
Author(s):  
Tierza C. H. Tedjo ◽  
Glady I. Rambert ◽  
Arthur E. Monga

Abstract: Overweight and obese are conditions in which abnormal fat is accumulated in the body that may cause health problems. According to WHO, especially in the Asia-Pacific region, the BMI ≥23kg/m is considered overweight and ≥25kg/m is considered obese. This study was aimed to evaluate whether urate crystals were found in the urine of young adults with overweight and obese. This was an observational and descriptive study. Samples were chosen by using non-probability sampling with consecutive sampling type. The results showed that there were 60 young adults as subjects, consisting of 24 males (40%) dan 36 females (60%). There were 22 overweight subjects (36.7%), 24 obese-1 subjects (40%), and 14 obese-2 subjects (23.3%). Of 60 subjects, urine amorph crystals were found in 32 subjects (58.3%) meanwhile oxalate calcium crystals were found in 12 subjects (20%). In conclusion, among young adults with overweight and obese, the prevalence of urine amorph urate crystal was 58.3% and of urine oxalate calcium crystal was 20%.Keywords: overweight, obese, urine crystal, amorphous urate crystal, calcium oxalate crystal Abstrak: Berat badan lebih dan obes adalah keadaan akumulasi lemak abnormal atau berlebih yang dapat mengganggu kesehatan. Menurut WHO, khususnya untuk area Asia-Pasifik, seseorang dikatakan tergolong berat badan lebih jika IMT-nya ≥23kg/m2 dan obes jika ≥25kg/m. Penelitian ini bertujuan untuk mengevaluasi adanya kristal urat dalam urin dewasa muda dengan berat badan lebih dan obes. Jenis penelitian ialah deskriptif observasional. Sampel diperoleh dengan menggunakan non-probability sampling jenis consecutive sampling. Hasil penelitian menda-patkan sebanyak 60 dewasa muda yang memenuhi kriteria inklusi penelitian, terdiri dari 24 orang laki-laki (40%) dan 36 orang perempuan (60%). Di antaranya terdapat 22 orang (36,7%) berat badan lebih, 24 orang (40%) obes 1, dan 14 orang (23,3%) obes 2. Dari 60 subyek, ditemukan kristal urat amorf pada 32 orang (58,3%) dan kalsium oksalat pada 12 orang (20%). Simpulan penelitian ini ialah pada dewasa muda dengan berat badan lebih dan obes, prevalensi kristal urat amorf urin sebesar 58,3% dan kristal kalsium oksalat urin sebesar 20%.Kata kunci: berat badan lebih, obes, kristal urin


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