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Study on the Influence of Elastic Compression Pants Elasticity and Movement Speed on Human Joint Protection Cover

Study on the Influence of Elastic Compression Pants Elasticity and Movement Speed on Human Joint Protection

Fibres & Textiles in Eastern Europe
Volume 30 (2022): Issue 6 (December 2022)
By:  and    
Open Access
|Dec 2022
Figures & tables

Figures & Tables

Table 1

Body shape parameters of subjects (n=3)

SubjectsHT/(cm)WT/(kg)WC/(cm)HC/(cm)TC/(cm)KC/e(cm)AC/(cm)BMI
S1163.147.864.088.053.035.424.317.99
S2164.049.268.089.056.036.025.118.29
S3162.647.564.587.653.535.024.517.96
Mean163.048.265.588.254.235.524.618.08
SD(0.6)(0.8)(4.75)(0.5)(1.7)(0.3)(0.2)(0.35)

[i] Note(s): HT-Height; WT-Weight; WC-Waist circumference; HC-Hip circumference; TC-Thigh circumference; KC-Knee circumference; AC-Ankle circumference

Table 2

Experimental compression pants

CP1CP2CP3CS
Fabric85% nylon
15% spandex		80% nylon
20% spandex		76% nylon
24% spandex		100%cotton
Knee circumference /cm30282640
Applied percentage of fabric stretch/%Wale: 63.5
Course: 76.3		Wale: 78.1
Course: 81.6		Wale: 84.2
Course: 86.8		Wale: 46.3
Course: 50.5
Fig. 1

Dynamic capture instrument

Fig. 2

Running cycle

Fig. 3

Distribution of lower limb marker points

Table 3

Rigid body and corresponding names of the marker point

Corresponding partMarker point name
Hip jointHP (hip point)
Knee joint (lateral and interior)KP (knee point), KL (knee lateral), KI (knee interior),
Ankle (lateral and interior)AL (ankle lateral), AI (ankle interior),
Fig. 4

Diagram of left side of lower limb during running

Fig. 5

AKJ of different subjects with elastic pants at different speeds

Fig. 6

AKJ of different subjects with non-elastic pants at different speeds.

Fig. 7

AKJ under different fabric elasticity

Fig. 8

AKJ under different speeds

Fig. 9

Min and max AKJ of different pants at different movement speeds

Note: * shows significant difference (p < 0.05), the value of CP is significantly different from that of CS

Table 4

Influence significance of individual differences on the gait cycle

Movement SpeedInfluence significanceElastic pantsNon-elastic pants
5km/hH(K)11.2314.231
Value P0.005*0.141
8km/hH(K)14.66514.416
Value P0.000*0.000*
11km/hH(K)2.89713.786
Value P0.4030.000*

Note:

* shows significant difference (p < 0.05)

Table 5

Influence significance of individual differences on AKJ

Movement speedInfluence significanceElastic pantsNon-elastic pants
5km/hH(K)25.52516.423
Value P0.000*0.007*
8km/hH(K)12.79820.121
Value P0.020*0.000*
11km/hH(K)0.16326.085.
Value P0.9490.000*

Note:

* shows significant difference (p < 0.05)

Table 6

Significance test of movement speed and fabric elasticity

Evaluation parameterAverage gait cycleMax-AKJMin-AKJ
Elastic pants0.000*0.000*0.000*
Non-elastic pants0.000*0.000*0.000*
Speed (5km/h)0.000*0.009*0.000*
Speed (8km/h)0.008*0.000*0.026*
Speed (11km/h)0.000*0.018*0.000*

Note:

* shows significantly difference (p < 0.05)

DOI: https://doi.org/10.2478/ftee-2022-0055 | Journal eISSN: 2300-7354 | Journal ISSN: 1230-3666
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Language: English
Page range: 80 - 90
Published on: Dec 30, 2022
Published by: Łukasiewicz Research Network-Łódź Institute of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open
Keywords:
fabric materials,
movement speed,
protective performance,
angle of knee joint,
3D motion capture
Related subjects:
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

© 2022 Ningfeng Zhang, Chengxia Liu, published by Łukasiewicz Research Network-Łódź Institute of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Volume 30 (2022): Issue 6 (December 2022)
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