μ μ
a b c
σ
τ
sin sin sin sin
(a) (b) (c)
μ
0.0002 0.0000-0.0002 Displacement(cm) -0.0004-0.0006-0.0008-0.0010-0.0012-0.0014 0 5 10 15 20 25 Pressure(N)
0.07 0.06 0.05 Displacement(mm) 0.04 0.03 0.02 0.01 0.00 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Depth(cm)
μ
Young's modulus(pa) 200000 150000 100000 50000 Ultrasound Indente Strain rate : 2.4 S -1 0 10%(a) 20%(b) 30%(c) 40%(d) 50%(e) Phantom
EMG(uv) 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 y = 1.9177x + 1.1536 R² = 0.7978 0 10 20 30 40 50 Torque(Nm) 2400 2200 2000 Elasticity(Pa) 1800 1600 1400 1200 y = 209.46x + 1071.7 R² = 0.9095 1000 0 10 20 30 40 50 Torque(Nm) 2400 2200 Muscle Tone(Pa) 2000 1800 1600 1400 y = 95.765x + 1051.6 R² = 0.8764 1200 0 2 4 6 8 10 12 14 EMG(uv)
50 40 EMG(uV) 30 20 10 y = 0.5278x + 4.2082 R² = 0.9772 0-10 0 10 20 30 40 50 60 70 80 90 Torque(Nm) 2400 2200 Elasticity(pa) 2000 1800 1600 y = 9.1946x + 1519.7 R² = 0.9333 1400 0 10 20 30 40 50 60 70 80 90 Torque(Nm) 2400 2200 Elasticity(pa) 2000 1800 1600 1400 y = 17.58x + 1441.9 R² = 0.9728 1200 0 10 20 30 40 50 EMG(uV)
14 12 10 EMG(uV) 8 6 4 2 y = 0.2713x + 1.1344 R² = 0.9802 0 0 10 20 30 40 50 Torque(Nm) 4000 Elasticity(pa) 3500 3000 2500 y = 41.287x + 2268.1 R² = 0.9775 2000 0 10 20 30 40 50 Torque(Nm) 4000 3500 Elasticity(pa) 3000 2500 2000 y = 148.75x + 2122.5 R² = 0.9529 1500 2 4 6 8 10 12 14 EMG(uV)
40 30 EMG(uV) 20 10 0 y = 0.4594x - 4.096 R² = 0.8913 0 10 20 30 40 50 60 70 80 Torque(Nm) 3500 3000 Elasticity(pa) 2500 2000 1500 y = 19.041x + 1415.9 R² = 0.8713 1000 0 10 20 30 40 50 60 70 80 90 Torque(Nm) 3500 3000 Elasticity(pa) 2500 2000 1500 y = 37.186x + 1646.6 R² = 0.7867 1000 0 10 20 30 40 EMG(uV)
30 25 20 EMG(uV) 15 10 5 0 y = 0.4839x - 1.3399 R² = 0.9431-5 0 10 20 30 40 50 60 Torque(Nm) 2000 Elasticity(pa) 1500 1000 y = 17.429x + 1004.4 R² = 0.9322 500 0 10 20 30 40 50 60 Torque(Nm) 2000 1800 1600 Elasticity(pa) 1400 1200 1000 800 600 y = 34.267x + 1075.7 R² = 0.8947 0 10 20 EMG(uV)
30 20 EMG(uV) 10 0 y = 0.4426x + 7.7194 R² = 0.7744 0 10 20 30 40 50 Torque(Nm) 2500 Elasticity(pa) 2000 1500 y = 23.267x + 1430.6 R² = 0.8706 1000 0 10 20 30 40 50 Torque(Nm) 3000 2500 Elasticity(pa) 2000 1500 y = 48.583x + 1099.8 R² = 0.96 1000 0 10 20 EMG(uV)
6 EMG(uV) 4 2 y = 0.109x + 0.8914 R² = 0.9838 0 0 10 20 30 40 50 Torque(Nm) 1000 950 Elasticity(pa) 900 850 y = 2.7766x + 873.14 R² = 0.9165 800 0 10 20 30 40 50 Torque(Nm) 1000 Elasticity(pa) 950 900 850 y = 24.62x + 853.53 R² = 0.8698 800 0 2 4 6 EMG(uV)
피검자 1 2 3 4 5 6 7 209.46 9.1946 41.287 19.041 17.429 23.267 2.7766
3500 각각의탄성도결과 3000 2500 Elasticity(Pa) 2000 1500 1000 500 pre e xercise exercise post e xercise 0 0 2 4 6 8 10 12 14 16 18
2500 2000 Muscle elasticity(pa) 1500 1000 500 0 pre-exercise post-exercise pre-exercise post-exercise
4000 Set1 Set2 Set3 3500 Changes in Power Output 3000 2500 2000 1500 1000 500 0 0 100 200 300 400 500 600 Time(s)
Set1 Set2 Set3 300 250 Change of RMS 200 150 100 0 100 200 300 400 500 600 700 800 Time(s)
700 800 600 700 500 600 400 500 400 300 300 200 200 100 100 0 0 20 40 60 MVC% 0 0 20 40 60 MVC% 800 700 700 600 600 500 500 400 400 300 300 200 200 100 100 0 0 20 40 60 MVC% 0 0 20 40 60 MVC%
800 700 Muscle tone(pa) 600 500 400 300 Before Set1 Set2 Set3 0 20 40 60 MVC (%)
0.0011 RMS 변위크기누적변위 0.0010 0.0009 0.0008 RMS 변위크기 0.0007 0.0006 0.0005 0.0004 0.0003 0.0002 1.0 1.5 2.0 2.5 3.0 Set
Muscle Rigidity Change 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 20 40 60 MVC (%) Muscle Rigidity Initial Muscle tone
800 Muscle Tone(pa) 600 400 Before Set1 Set2 Set3 20 40 60 MVC (%) 4000 3500 Before Set1 Set2 Set3 Muscle Tone(pa) 3000 2500 2000 1500 20 40 60 MVC (%)
900 850 Muscle Tone(pa) 800 750 700 650 600 550 500 Before Set1 Set2 Set3 20 40 60 MVC (%) 1300 1200 Before Set1 Set2 Set3 1100 Muscle Tone(pa) 1000 900 800 700 600 500 20 40 60 MVC (%)
800 Muscle Tone(pa) 600 400 before set1 set2 set3 20 40 60 MVC (%) 2200 2000 1800 Muscle tone(pa) 1600 1400 1200 1000 800 600 Before Set1 Set2 Set3 20 40 60 MVC (%)
550 Muscle tone(pa) 500 450 400 350 20 40 60 MVC (%) Before Set1 Set2 Set3
10 9 8 Rate of Lactate(mmol/l) 7 6 5 4 3 2 1 before Exercise after