Table 2. Changes of RMS standard 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 218.00 ± 33.95 221.61 ± 35.07 222.30 ± 36.77 223.57 ± 35.86 2.48# 3.53# 4.54#
50%AOP 241.10 ± 38.36Δ 242.47 ± 39.84Δ 245.82 ± 37.01*Δ 247.75 ± 38.39 *Δ
60%AOP 241.19 ± 30.20Δ 245.97 ± 29.86Δ 248.85 ± 31.34*Δ 250.56 ± 29.77*Δ
70%AOP 248.49 ± 33.74Δ 251.45 ± 33.82Δ† 254.69±31.92*Δ† 257.61±33.03*Δ†
Vastus Lateralis (VLO) Non-BFR 228.19 ± 31.63 229.57 ± 34.60 230.24 ± 35.02 231.27 ± 35.41 5.98# 12.36# 1.65#
50%AOP 237.29 ± 35.57Δ 239.30 ± 33.80Δ 242.84 ± 33.66Δ 244.33 ± 31.01*Δ
60%AOP 236.91 ± 36.28Δ 240.36 ± 36.69Δ 244.72 ± 29.26*Δ 247.28 ± 33.17*Δ
70%AOP 240.37 ± 37.32Δ 243.34 ± 34.31Δ 247.70 ± 36.50*Δ 253.27±34.01*Δ†
Rectus Femoris (RF) Non-BFR 191.71 ± 26.08 192.91 ± 29.87 195.52 ± 24.60 201.93 ± 25.10* 1.08 2.55# 3.17#
50%AOP 207.22 ± 29.11Δ 208.32 ± 27.26Δ 210.05 ± 27.18Δ 213.89 ± 29.96*Δ
60%AOP 210.09 ± 22.03Δ 214.91 ± 21.60Δ 217.83 ± 22.91*Δ 222.45±22.08*Δ†
70%AOP 214.87 ± 22.06Δ 217.87 ± 28.12Δ† 221.12±31.67*Δ† 225.42±25.09*Δ†
Biceps Femoris (BF) Non-BFR 63.26 ± 11.79 64.84 ± 16.42 66.65 ± 17.10 70.04 ± 14.61* 1.07 11.45# 3.09#
50%AOP 70.53 ± 12.18Δ 72.29 ± 10.12Δ 73.29 ± 19.92Δ 76.77 ± 22.17*Δ
60%AOP 72.16 ± 18.26Δ 75.17 ± 17.90Δ 77.18 ± 15.28Δ 79.91 ± 16.33*Δ
70%AOP 77.64 ± 17.16Δ 80.41 ± 15.02Δ 84.80±16.04*Δ† 87.81±17.32*Δ†
Gluteus Maximus (GM) Non-BFR 68.42 ± 11.33 68.49 ± 12.92 69.82 ± 9.99 70.52 ± 10.56 2.67# 4.56# 4.88
50%AOP 70.76 ± 14.01 71.25 ± 24.00 68.30 ± 12.43 67.32 ± 13.31*
60%AOP 71.57 ± 14.15 70.99 ± 17.39 69.25 ± 18.86 66.89 ± 15.38*
70%AOP 73.10 ± 10.61Δ 71.75 ± 13.54 69.07 ± 10.91 68.27 ± 13.27*
Gluteus Medius (Gmeds) Non-BFR 61.72 ± 7.79 62.18 ± 7.26 62.03 ± 9.67 63.67 ± 10.15 1.95 4.39 1.71
50%AOP 64.66 ± 4.76 64.84 ± 5.12 62.75 ± 4.61 62.49 ± 4.85
60%AOP 63.88 ± 12.77 62.75 ± 10.91 64.04 ± 10.46 65.37 ± 12.65
70%AOP 65.24 ± 13.64 64.23 ± 13.28 66.28 ± 12.59 66.66 ± 13.27
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 in the pressure, time, and interaction on the standard values of RMS for each muscle during the semi-squat. p < 0.05.