Title Page
ABSTRACT
ABSTRACT IN KOREAN
Contents
CHAPTER 1. INTRODUCTION 17
1.1. The necessity of the study 23
1.2. The purpose of the study 27
1.2.1. Chapter 1 27
1.2.2. Chapter 2 27
1.3. Hypothesis 28
CHAPTER 2. Novel Multi-View RGB Sensor for Continuous Motion Analysis in Kinetic Chain Exercises: A Pilot Study for Simultaneous Validity and Intra-Test Reliability. 29
2.1. Abstract 29
2.2. Introduction 31
2.3. Materials and Methods 35
2.3.1. Participants[원문불량;p.19] 35
2.3.2. Measurements 36
2.3.3. VICON® Motion Capture System 38
2.3.4. Multi-View Image-Based Motion Analysis System (4DEYE®) 38
2.3.5. Procedure 40
2.3.6. Statistical Analysis 43
2.4. Results 44
2.4.1. Analysis of Side Dip 44
2.4.2. Analysis of the YBT 46
2.4.3. Statistical Analysis 48
2.5. Discussion 50
2.6. Conclusions 53
CHAPTER 3. Simultaneous validity and intra-test reliability of joint angles through Novel multi-RGB sensor-based three joint continuous motion analysis: a pilot study 55
3.1. Abstract 55
3.2. Introduction 57
3.3. Materials and Methods 63
3.3.1. Participants 63
3.3.2. Measurement 63
3.3.3. VICON® Motion Tracking System 69
3.3.4. Multi-View RGB Senor based Motion Analysis System (4DEYE®) 70
3.3.5. Procedure 72
3.3.6. Statistical Analysis 74
3.4. Results and Discussion 75
3.4.1. Analysis of Hip Flexion 75
3.4.2. Analysis of Knee Flexion 79
3.4.3. Analysis of Trunk Rotation 82
3.4.4. Statistical Analysis 85
3.5. Conclusions 90
CHAPTER 4. DISCUSSION 92
CHAPTER 5. CONCLUSION 99
REFERENCES 102
APPENDICES 110
A. Consent form 110
B. Information on VICON® markers' placement 117
C. Skeleton model on VICON® with 35 markers' placement 119
D. Information on 4DEYE® markers' placement 120
E. Skeleton model on 4DEYE® system with 27 markers' placement 122
F. MATLAB® code used for up-sampling 123
Table 1. Statistical analysis of 4DEYE® related to VICON® measurements. 49
Table 2. List of Abbreviation 54
Table 3. Equipment specification 72
Table 4. Validity of the angle between the novel 4DEYE® system and the VICON® motion capture system 89
Table 5. List of Abbreviation 91
Figure 1. Number of papers on pose tracking, 2020 26
Figure 2. (a) Analysis process; (b) XYZ axis of VICON®; (c) XYZ axis of 4DEYE® 37
Figure 3. Multi-view image-based 4DEYE® analysis system. (a) Y-balance (posterior-lateral). (b) Side dip (standing). 42
Figure 4. Degree of side dips using comparative analysis between VICON® (black) and 4DEYE® (red) with left and right measurements. (a) Participant 1, left; (b) Participant 1, right;... 45
Figure 5. Degree of Y-balances using comparative analysis between VICON® (black) and 4DEYE® (red) with left and right measurements. (a) Participant 1, left; (b) Participant 1,... 47
Figure 6. Global market for a digital medical therapy 58
Figure 7. Scheme of (a) analysis procedure and images of matching, (b) VICON, (c) 4DEYE, (d) Reference point for calculating hip angle, (e) Reference point for calculating knee angle,... 67
Figure 8. Multi-view RGB-based 4DEYE analysis system 73
Figure 9. Degree of hip flexion using comparative analysis between VICON® (black) and 4DEYE® (red) with left and right measurements. (a) Subject 1, left; (b) Subject 1, right; (c)... 78
Figure 10. Degree of knee flexion using comparative analysis between VICON® (black) and 4DEYE® (red) with left and right measurements. (a) Subject 1, left; (b) Subject 1, right;... 81
Figure 11. Degree of trunk rotation using comparative analysis between VICON® (black) and 4DEYE® (red) with left and right measurements. (a) Subject 1, left; (b) Subject 1, right;... 84