| 
  
    | Table 3. Descriptive statistics (mean ± standard deviation) of strength, power and landing force variables in the three groups. |  
    | 
   
   
    |  | SFG (n 
      = 19) | LFG (n 
      = 19) | Control 
      (n = 18) | Between-group 
      comparisons |   
    | IMTP 
      peak force (N) | Pre | 1995.8 
      ± 173.6 | 1936.1 
      ± 179.7 | 1961.3 
      ± 176.6 | F 
      = 0.542; p = 0.585; ηp2 = 0.020 |   
    | Post | 2130.4 
      ± 182.5 b,c,* | 1956.3 
      ± 174.8 a,* | 1975.9 
      ± 174.8 a | F 
      = 5.337; p = 0.008; ηp2 = 0.168 |   
    | SJ 
      peak force (N) | Pre | 521.3 ± 
      74.0 | 495.0 ± 
      56.4 | 488.5 ± 
      119.9 | F 
      = 0.727; p = 0.488; ηp2 = 0.027 |   
    | Post | 565.0 
      ± 73.0 b,c,* | 493.9 
      ± 54.5 a | 487.3 
      ± 115.7 a | F 
      = 4.791; p = 0.012; ηp2 = 0.153 |   
    | CMJ 
      peak power (W/kg) | Pre | 31.7 ± 
      4.7 | 29.3 ± 
      4.1 | 29.7 ± 
      3.5 | F 
      = 1.780; p = 0.179; ηp2 = 0.063 |   
    | Post | 33.5 
      ± 5.3 b,c,* | 29.8 
      ± 4.4 a,* | 29.8 
      ± 3.3 a | F 
      = 4.222; p = 0.020; ηp2 = 0.137 |   
    | CMJ 
      peak landing force (N) | Pre | 1643.1 
      ± 388.5 | 1691.1 
      ± 323.3 | 1698.7 
      ± 216.9 | F 
      = 0.164; p = 0.849; ηp2 = 0.006 |   
    | Post | 1493.5 
      ± 294.7 b,c,* | 1720.5 
      ± 324.6 a,* | 1729.1 
      ± 208.3 a,* | F 
      = 4.105; p = 0.022; ηp2 = 0.134 |   
    | RSI 
      (A.U.) | Pre | 1.09 ± 
      0.15 | 1.08 ± 
      0.6 | 1.07 ± 
      0.10 | F 
      = 0.147; p = 0.864; ηp2 = 0.006 |   
    | Post | 1.18 
      ± 0.15 b,c,* | 1.09 
      ± 0.6 a | 1.08 
      ± 0.11 a | F 
      = 4.321; p = 0.018; ηp2 = 0.140 |  |  
  
    | IMTP: isometric mid-thigh pull test; SJ: squat jump test; CMJ: countermovement jump test; RSI: reactive strength index; a: significantly differentfrom SFG (p < 0.05); b: significantly different from LFG (p < 0.05); c: significantly different from control (p < 0.05);
 |  
  
    | *: significant within-group difference (post-pre) for a p < 0.05. |  |