Table 3.
Changes in MF values of each muscle in semi-squat.
Muscle
Different pressure
Semi-squat intervention
Interaction
Time main
Set1
Set2
Set3
Set4
Within-subject
Inter-subject
Vastus Medialis VMO)
Non-BFR
75.54 ± 7.23
73.55 ± 7.09
72.92 ± 7.49
72.29 ± 7.44
1.74
6.36
#
1.15
#
50%AOP
69.92 ± 5.45
67.91 ± 5.65
∆
66.61 ± 5.94
∆
65.05 ± 6.13
*
∆
60%AOP
69.71 ± 8.57
67.33 ± 8.07
∆
65.30 ± 7.53
*
∆
63.13 ± 8.00
*
∆
70%AOP
67.43 ± 7.85
63.46 ± 6.26
∆
62.18 ± 6.34
*
∆
59.74 ± 7.14
*
∆
†
Vastus Lateralis (VLO)
Non-BFR
74.71 ± 11.22
73.56 ± 11.44
72.18 ± 11.38
71.64 ± 11.30
1.91
4.87
#
0.87
#
50%AOP
69.92 ± 5.45
67.91 ± 5.65
∆
66.61 ± 5.94
∆
65.06 ± 6.13
*
∆
60%AOP
68.73 ± 6.05
67.43 ± 6.89
∆
64.99 ± 6.92
*
∆
62.21 ± 7.37
*
∆
†
70%AOP
66.30 ± 10.90
63.02 ± 10.34
∆
61.28 ± 10.56
*
∆
†
60.94±10.73
*
∆
†
Rectus Femoris (RF)
Non-BFR
80.48 ± 8.67
78.81 ± 8.61
78.81 ± 8.61
76.10 ± 8.68
*
2.02
#
9.91
#
1.91
#
50%AOP
77.62 ± 5.72
76.84 ± 4.55
75.56 ± 4.42
73.06 ± 5.58
*
∆
60%AOP
75.48 ± 5.33
∆
73.18 ± 6.10
∆
72.44 ± 5.51
*
∆
70.50 ± 5.33
*
∆
†
70%AOP
74.29±11.81
∆
71.60 ± 11.78
∆
†
69.09 ± 11.81
*
∆
†
67.01±11.65
*
∆
†
Biceps Femoris (BF)
Non-BFR
79.31 ± 9.61
78.54 ± 9.67
77.95 ± 9.53
76.51 ± 9.69
*
2.52
#
7.56
#
1.56
#
50%AOP
74.87 ± 9.56
∆
72.97 ± 9.16
∆
71.54 ± 9.68
∆
69.46 ± 8.95
*
∆
60%AOP
73.63 ± 8.83
∆
71.31 ± 8.33
∆
68.79 ± 9.00
*
∆
66.39 ± 8.46
*
∆
†
70%AOP
71.67±12.29
∆
67.32 ± 11.80
*
∆
64.61 ± 12.22
*
∆
†
62.08±12.03
*
∆
†
Gluteus Maximus (GM)
Non-BFR
55.96 ± 4.71
55.73 ± 4.78
56.92 ± 4.72
56.10 ± 4.13
2.05
#
6.65
#
1.49
50%AOP
53.98 ± 7.48
53.46 ± 7.92
53.70 ± 8.66
54.01 ± 8.38
60%AOP
51.26 ± 8.96
∆
52.50 ± 10.09
52.71 ± 11.15
53.06 ± 11.57
70%AOP
50.01 ± 8.16
∆
51.53 ± 7.83
52.14 ± 7.48
53.90 ± 7.30
*
Gluteus Medius (Gmeds)
Non-BFR
68.44 ± 5.84
67.68 ± 5.63
66.34 ± 5.95
66.04 ± 6.37
0.77
4.31
#
1.70
#
50%AOP
65.20 ± 4.60
63.77 ± 3.69
63.46 ± 3.21
62.85 ± 3.41
∆
60%AOP
66.24 ± 6.38
65.90 ± 4.74
64.76 ± 4.18
63.29 ± 4.59
∆
70%AOP
65.10 ± 7.16
64.16 ± 7.37
63.02 ± 7.54
62.21 ± 7.09
∆
Data are presented as mean±SD.
* significant difference compared to the first group
∆ significant difference compared to the non-BFR
† significant difference compared to the 50% AOP
# significant difference from the pressure, time, and interaction on the standard values of RMS for each muscle during the semi-squat, p < 0.05.