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Effects of Bikram Yoga Clothes on EEG Beta Spectrum

Hyojeong Lee
Hyojeong Lee
 oraz 
Yejin Lee
Yejin Lee
   | 30 gru 2022
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Article Category: Research Article
Data publikacji: 30 gru 2022
Zakres stron: 45 - 54
DOI: https://doi.org/10.2478/ftee-2022-0051
Słowa kluczowe
© 2022 Hyojeong Lee et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

Clothing pressure measurement at chest (for the top) and at the hip (for the pants)
Clothing pressure measurement at chest (for the top) and at the hip (for the pants)

Fig. 2

pressure distribution of tight fitting experimental clothes using a 3D virtual try-on program CLO 3D ver.5.2
pressure distribution of tight fitting experimental clothes using a 3D virtual try-on program CLO 3D ver.5.2

Fig. 3

Set of yoga poses
Set of yoga poses

Fig. 4

Attachment of channel electrodes for EEG measurement
Attachment of channel electrodes for EEG measurement

Fig. 5

ANOVA measurement results for the pressure between the experimental yoga wears
ANOVA measurement results for the pressure between the experimental yoga wears

Fig. 6

The standardised design properties of yoga clothing, pressure and subjective preference
The standardised design properties of yoga clothing, pressure and subjective preference

EEG measurement of RLB waves

Yoga wear Brain area Mean Mean differences t
G3 Fp1 Pre- yoga 0.078 −0.004 −5.031**
Post- yoga 0.074
Fz Pre- 0.077 −0.003 −2.358*
Post- 0.074
P7 Pre- 0.079 0.006 2.524*
Post- 0.085

Physical traits and clothing pressure of yoga wear materials

Code Fiber content (%) Density (loop/5.0 cm) Thickness (mm) Qmax (W/cm2) Absorption (mm/10 minutes) Clothing pressure (kPa)
Wale Course Wale Course
Tops U1 Nylon 84, Polyurethane 16 124 308.8 0.82 0.125 53 81 0.59
U2 Viscose rayon 92, Polyurethane 8 96.4 121.6 0.78 0.108 29 48 0.44
Pants B1 Nylon 72, Polyurethane 29 133.8 287.4 0.80 0.105 0 0 0.53
B2 Nylon 92, Polyurethane 8 87.6 141.6 0.89 0.091 47 56 0.89

EEG measurements of RMB waves

Yoga wear Brainarea Mean Mean differences t
G1 Fp1 Pre-yoga 0.110 0.005 2.436*
Post-yoga 0.115
Fz Pre- 0.109 0.007 2.659*
Post- 0.116
F8 Pre- 0.116 0.006 2.798*
Post- 0.122
C3 Pre- 0.118 0.006 2.929*
Post- 0.124
G3 P3 Pre- 0.118 0.007 2.625*
Post- 0.124
O1 Pre- 0.110 0.007 2.590*
Post- 0.117
C3 Pre- 0.114 0.011 4.198**
Post- 0.125
P7 Pre- 0.117 0.008 4.322**
Post- 0.125
G4 F4 Pre- 0.120 0.004 4.663**
Post- 0.124
F7 Pre- 0.119 0.004 3.871**
Post- 0.123
C3 Pre- 0.119 0.005 3.894**
Post- 0.124
Fz Pre- 0.116 0.006 5.030**
Post- 0.122
Cz Pre- 0.115 0.004 3.271*
Post- 0.119

EEG measurements of RHB waves

Yoga wear Brain area Mean Mean differences t
G1 F4 Pre-yoga 0.186 −0.007 −2.499*
Post-yoga 0.179
F8 Pre- 0.190 0.007 7.289***
Post- 0.183
Cz Pre- 0.115 −0.004 3.271*
Post- 0.119
G2 Cz Pre- 0.187 −0.004 −3.271*
Post- 0.183
G3 Cz Pre- 0.183 −0.004 −3.271*
Post- 0.176
G4 Fp1 Pre- 0.178 0.008 3.829**
Post- 0.175
Fp2 Pre- 0.170 0.008 3.068*
Post- 0.172
O1 Pre- 0.178 0.007 3.991**
Post- 0.171
O2 Pre- 0.177 0.005 2.801*
Post- 0.172
F7 Pre- 0.182 0.006 2.891*
Post- 0.175
F8 Pre- 0.184 0.009 3.113*
Post- 0.176
P8 Pre- 0.184 0.009 3.198*
Post- 0.174
Cz Pre- 0.115 −0.004 −3.271*
Post- 0.119

Subjective preference concerning coolness and comfort

Environment Item Clothing Rank 1 (n) Rank 2 (n) Rank 3 (n) Rank 4 (n) Total points
Standard Coolness G1 0 2 4 2 32
G2 3 0 2 3 38
G3 3 2 0 3 37
G4 2 4 2 0 40
Comfort G1 1 0 2 5 29
G2 0 1 4 3 30
G3 1 6 1 0 40
G4 6 1 1 0 45
Hot Chamber Coolness G1 1 1 4 2 33
G2 1 1 2 4 31
G3 3 3 1 1 40
G4 3 3 1 1 40
Comfort G1 1 1 3 3 32
G2 0 3 2 3 32
G3 3 2 3 0 40
G4 4 2 0 2 40
eISSN:
2300-7354
Język:
Angielski
Częstotliwość wydawania:
6 razy w roku
Dziedziny czasopisma:
Business and Economics, Business Management, Business Informatics, Process Management, Industrial Chemistry, Cellulose, Paper and Textiles, Polymer Science and Technology, Materials Sciences, Biomaterials and Natural Materials
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