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 ± 5.65Δ |
66.61 ± 5.94Δ |
65.05 ± 6.13*Δ |
|
60%AOP |
69.71 ± 8.57 |
67.33 ± 8.07Δ |
65.30 ± 7.53*Δ |
63.13 ± 8.00*Δ |
|
70%AOP |
67.43 ± 7.85 |
63.46 ± 6.26Δ |
62.18 ± 6.34*Δ |
59.74 ± 7.14*Δ† |
|
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 ± 5.65Δ |
66.61 ± 5.94Δ |
65.06 ± 6.13*Δ |
|
60%AOP |
68.73 ± 6.05 |
67.43 ± 6.89Δ |
64.99 ± 6.92*Δ |
62.21 ± 7.37*Δ† |
|
70%AOP |
66.30 ± 10.90 |
63.02 ± 10.34Δ |
61.28 ± 10.56*Δ† |
60.94±10.73*Δ† |
|
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*Δ |
|
60%AOP |
75.48 ± 5.33Δ |
73.18 ± 6.10Δ |
72.44 ± 5.51*Δ |
70.50 ± 5.33*Δ† |
|
70%AOP |
74.29±11.81Δ |
71.60 ± 11.78Δ† |
69.09 ± 11.81*Δ† |
67.01±11.65*Δ† |
|
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 ± 9.56Δ |
72.97 ± 9.16Δ |
71.54 ± 9.68Δ |
69.46 ± 8.95*Δ |
|
60%AOP |
73.63 ± 8.83Δ |
71.31 ± 8.33Δ |
68.79 ± 9.00*Δ |
66.39 ± 8.46*Δ† |
|
70%AOP |
71.67±12.29Δ |
67.32 ± 11.80*Δ |
64.61 ± 12.22*Δ† |
62.08±12.03*Δ† |
|
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 ± 8.96Δ |
52.50 ± 10.09 |
52.71 ± 11.15 |
53.06 ± 11.57 |
|
70%AOP |
50.01 ± 8.16Δ |
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 ± 3.41Δ |
|
60%AOP |
66.24 ± 6.38 |
65.90 ± 4.74 |
64.76 ± 4.18 |
63.29 ± 4.59Δ |
|
70%AOP |
65.10 ± 7.16 |
64.16 ± 7.37 |
63.02 ± 7.54 |
62.21 ± 7.09Δ |
|
Data are presented as mean±SD.
* significant difference compared to the first group
Δ 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.