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ABSTRACT 11

제1장 서론 14

1.1. 연구 배경 14

1.2. 연구 동향 18

1.3. 연구 목적 및 내용 28

제2장 이론적 배경 30

2.1. 홈 트레이닝의 정의 30

2.2. 슬링 운동 31

2.2.1. 슬링 운동의 정의 31

2.2.2. 슬링 운동의 효과 및 적용 32

2.2.3. 열린 사슬 운동과 닫힌 사슬 운동 33

2.3. 진동 운동 34

2.3.1. 진동 운동의 정의 및 원리 34

2.3.2. 진동 운동의 원리 및 신경생리학적 기전 36

2.3.3. 진동 운동의 효과 38

제3장 스마트 거울 시스템 40

3.1. 시스템 구성 40

3.2. 하드웨어 구성 42

3.3. 소프트웨어 구성 45

3.3.1. 인체 영향평가 모듈 47

3.3.2. 운동 처방 모듈 51

3.3.3. 회원 관리 모듈 52

3.4. 스마트 거울 시스템의 타당성 및 신뢰성 검증 53

3.4.1. 피험자 선정 및 기준 53

3.4.2. 검증 설계 및 절차 54

3.4.3. 평가 방법 55

3.4.4. 데이터 분석 및 처리 56

3.4.5. 검증 결과 57

제4장 실험 방법 및 결과 59

4.1. 슬링 로프 타입에 따른 슬링 운동 시 상·하지 근 활성도 평가 59

4.1.1. 피험자 선정 및 기준 59

4.1.2. 실험 설계 및 절차 59

4.1.3. 평가 방법 62

4.1.4. 데이터 분석 및 처리 63

4.1.5. 실험 결과 63

4.2. 지지면 조건에 따른 운동 시 하지 근 활성도 평가 67

4.2.1. 피험자 선정 및 기준 67

4.2.2. 실험 설계 및 절차 68

4.2.3. 평가 방법 71

4.2.4. 데이터 분석 및 처리 71

4.2.5. 실험 결과 72

4.3. 음파 진동 자극 주파수에 따른 슬링 운동 시 하지 근 활성도 평가 77

4.3.1. 피험자 선정 및 기준 77

4.3.2. 실험 설계 및 절차 78

4.3.3. 평가 방법 80

4.3.4. 데이터 분석 및 처리 80

4.3.5. 실험 결과 81

제5장 슬링과 음파 진동을 이용한 운동 처방 프로그램 87

5.1. 준비 운동 단계(Warm up exercise) 87

5.2. 본 운동 단계(Work out exercise) 90

5.3. 정리 운동 단계(Cool down exercise) 92

제6장 고찰 95

제7장 결론 100

Reference 102

연구실적 113

표목차

Table 3-1. Smart mirror H/W specification 43

Table 3-2. Kinect v2 specification 44

Table 3-3. Correlation Coefficient of motion capture and smart mirror system 57

Table 3-4. Reliability of smart mirror system 58

그림목차

Fig. 1-1. Search trend graph related to home training 15

Fig. 1-2. Trend of fitness equipment sales 16

Fig. 1-3. AI rowing machine(Hydrow, USA) 17

Fig. 1-4. Tonal system(Bandier, USA) 19

Fig. 1-5. Bike+(Peloton, USA) & Tread+(Peloton, USA) 20

Fig. 1-6. Forme life(Forme, USA) 21

Fig. 1-7. Pixformance station(Pixformance, Germany) 22

Fig. 1-8. Mirror(Lululemon, USA) 23

Fig. 1-9. Firenow mirror premium(Firenow, USA) 24

Fig. 2-1. Sling exercise system(Technomex, Poland) 31

Fig. 2-2. Open kinetic chain and closed kinetic chain 33

Fig. 2-3. Whole body vibration type 35

Fig. 2-4. Mechanism of vibration stimulation 37

Fig. 2-5. Effect of whole body vibration 39

Fig. 3-1. Smart mirror system 40

Fig. 3-2. Smart mirror system block diagram a) Program development environment (b) Program development tools 41

Fig. 3-3. Smart mirror H/W 42

Fig. 3-4. Kinect v2(Microsoft, USA) 44

Fig. 3-5. Block diagram of smart mirror system 45

Fig. 3-6. System block diagram of smart mirror exercise program 46

Fig. 3-7. Injury history and lifestyle assessment questionnaire 47

Fig. 3-8. Personal health assessment questionnaire 48

Fig. 3-9. Joint angle measurement method 49

Fig. 3-10. Posture analysis sheet 50

Fig. 3-11. Dynamic posture assessment 50

Fig. 3-12. Exercise prescription program using sling and sonic vibration 51

Fig. 3-13. Member management 52

Fig. 3-14. Diagram of experimental setup 54

Fig. 3-15. Helen-hayes marker set 55

Fig. 3-16. Squat exercise event 56

Fig. 3-17. Linear regression analysis between motion capture and smart mirror system 58

Fig. 4-1. Experiment method according to rope condition 60

Fig. 4-2. Diagram of the experiment according to rope condition 61

Fig. 4-3. The activity of biceps brachii in different conditions of rope type (* p〈0.05, ** p〈0.01, *** p〈0.00) 63

Fig. 4-4. The activity of rectus femoris in different conditions of rope type (* p〈0.05, ** p〈0.01, *** p〈0.00) 64

Fig. 4-5. The activity of gastrocnemius in different conditions of rope type (* p〈0.05, ** p〈0.01, *** p〈0.00) 65

Fig. 4-6. The activity of tibialis anterior in different conditions of rope type (* p〈0.05, ** p〈0.01, *** p〈0.00) 66

Fig. 4-7. Experiment method according to surface condition 69

Fig. 4-8. Diagram of the experiment according to surface condition 70

Fig. 4-9. The activity of gluteus medius in different conditions of surface type (* p〈0.05, ** p〈0.01) 72

Fig. 4-10. The activity of biceps femoris in different conditions of surface type (* p〈0.05, ** p〈0.01) 73

Fig. 4-11. The activity of rectus femoris in different conditions of surface type (* p〈0.05, ** p〈0.01) 74

Fig. 4-12. The activity of vastus medialis in different conditions of surface type (* p〈0.05, ** p〈0.01) 75

Fig. 4-13. The activity of vastus lateralis in different conditions of surface type (* p〈0.05, ** p〈0.01) 76

Fig. 4-14. Experiment method according to vibration condition 79

Fig. 4-15. Diagram of the experiment according to vibration condition 79

Fig. 4-16. The activity of gluteus medius in different conditions of vibration frequency (* p〈0.05, ** p〈0.01) 81

Fig. 4-17. The activity of biceps femoris in different conditions of vibration frequency (* p〈0.05, ** p〈0.01) 82

Fig. 4-18. The activity of rectus femoris in different conditions of vibration frequency (* p〈0.05, ** p〈0.01) 83

Fig. 4-19. The activity of vastus medialis in different conditions of vibration frequency (* p〈0.05, ** p〈0.01) 84

Fig. 4-20. The activity of vastus lateralis in different conditions of vibration frequency (* p〈0.05, ** p〈0.01) 85

Fig. 4-21. The activity of all muscle in 30Hz vibration 86

Fig. 5-1. Warm up exercises(sonic vibration exercise) 88

Fig. 5-2. Warm up exercises(shoulder exercise) 88

Fig. 5-3. Warm up exercises(lumbar exercise) 89

Fig. 5-4. Warm up exercises(knee exercise) 89

Fig. 5-5. Work out exercises(squat exercise) 90

Fig. 5-6. Work out exercises(bulgarian split squat exercise) 91

Fig. 5-7. Cool down exercises(sonic vibration exercise) 92

Fig. 5-8. Cool down exercises(shoulder exercise) 93

Fig. 5-9. Cool down exercises(lumbar exercise) 93

Fig. 5-10. Cool down exercises(knee exercise) 94

초록보기

Recently, people's healthcare desires are increasing with the improvement of people's income level and the rapid extension of the average life expectancy of humans. In particular, with the advent of the age of non-contact due to the COVID-19, home training through mobile exercise services using apps or video contents at home instead of exercise services using gyms or public sports facilities. Most of the home training services currently provided in the sports market are provided in the form of performing exercise while watching exercise contents using an online platform. However, in the case of online home training service, it is difficult to follow while watching a video or it is not possible to receive help for incorrect posture.

Therefore, I think that a product that combines a exercise equipment and home training content service that can provide real-time feedback should be developed. At the same time, I think that the development of various home training contents such as training programs that consider the individual characteristics of users should be preceded.

Therefore, in this study, a smart mirror exercise system based on sling and vibration was developed, and as a basic research for the development of various exercise program contents, analysis of muscle activation during exercise using sling and vibration. The smart mirror system developed in this study is a personalized home training product consisting of a display and kinect sensor. It is designed to provide an personalized exercise program using slings and vibrations based on the result of evaluating the range of the user's joints through the kinect sensor. In order to validity and reliability of the developed smart mirror system, the joint angle data measured by the kinect sensor attached to the smart mirror and the joint angle data measured by the motion capture device. Validity was verified through correlation analysis and linear regression analysis, and reliability verification through internal correlation coefficient(ICC) analysis of joint angle measured with a smart mirror system. As a result of the correlation analysis between the smart mirror system and motion capture, the correlation coefficient r＝0.871~0.919 showed a high positive correlation, and the validity was 88%. As a result of the internal correlation coefficient analysis of the joint angle measurement values through the smart mirror system, the correlation between subjects(r＝0.743~0.916) was high, and the consistency for repeated measurements(ICC＝0.937) was also very high.

The basic studies for the development of exercise program contents includes evaluation of upper and lower extremity muscle activity during sling exercise according to sling rope types, evaluation of lower extremity muscle activity during sling exercise according to surface conditions, evaluation of lower extremity muscle activity during sling exercise according to sonic vibration stimulation frequency. As a result of evaluation of upper and lower extremity muscle activity during sling exercise according to sling rope types, exercise in unstable conditions using an elastic rope increased muscle activity in upper and lower extremity than exercise in stable conditions. As a result of evaluating of the lower extremity muscle activity during exercise according to the conditions of the surface, the activity of the muscles increased during exercise on an unstable surface, especially the greatest activity was shown when exercising on an unstable surface using a sling and vibration. As a result of evaluation of the lower extremity muscle activity during sling exercise according to the sonic vibration frequency, the activity of the muscles was the highest during exercise using the 30 Hz vibration and sling. An exercise program contents were suggested based on the results of basic research.

From the above conclusions, I found that the smart mirror developed based on the kinect sensor has sufficient potential to be used as a home training product in the age of non-contact. In addition, sling and sonic vibration exercise were found to be important factors that positively influence muscle function and are expected to be applied of the development of smart mirror exercise program contents these data in the future.

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