Table 1. Important calculations for the energy values of gastrocnemius lateralis (GL) in the mid-low frequency band (d3), as well as rectus femoris (RF) in the high frequency band (d1), are presented for different groups at various knee starting angles (mean ± SD) (n = 13).
| Parameter |
Condition |
Knee starting angle (deg) |
| 60° |
90° |
120° |
ANOVA results (A) |
GL-d3
energy values |
CG |
0.98 ± 0.46 |
0.73 ± 0.68[0.43] |
0.46 ± 0.59[0.98] |
F = 5.29
P = 0.024 |
| SDG |
0.96 ± 0.59 |
0.54 ± 0.58[0.72] |
0.47 ± 0.6[0.82] |
| StSG |
0.78 ± 0.58 |
0.62 ± 0.52[0.29] |
0.47 ± 0.58[0.53] |
RF-d1
energy values |
CG |
-0.17 ± 0.47 |
-0.15 ± 0.53* [0.04] |
-0.57 ± 0.34* [0.98] |
F = 6.99
P = 0.009 |
| SDG |
-0.18 ± 0.51 |
-0.26 ± 0.55[0.16] |
-0.4 ± 0.38[0.48] |
| StSG |
-0.06 ± 0.44 |
0.00 ± 0.49[0.12] |
-0.26 ± 0.49[0.43] |
The effect sizes of 90° and 120° relative to 60° are reported in square brackets. The two-way ANOVA results (A: angle effects, P- and F- value) are shown in the right column. ANOVA, analysis of variance; CG, Control Group; StSG, Static Stretching Group; SDG, Static Stretching and Drop Jump Combined Group.*: A significantly (P < 0.05) different from the 60°
