Table 1. Changes in the electromyographic activities of the VM, RF and VL, ST, and BF between the groups (Unit:%).
| Muscle | Group | Pre | Post |
|---|---|---|---|
| VM† | CKCEG** | a19.0±8.5 | 37.0±21.6 |
| OKCEG** | 15.9±4.4 | 34.3±16.5 | |
| CG | 16.6±6.1 | 18.8±6.1 | |
| RF† | CKCEG** | 20.5±8.5 | 34.6±14.1 |
| OKCEG* | 19.7±8.9 | 31.1±14.8 | |
| CG* | 17.2±6.1 | 20.5±5.1 | |
| VL† | CKCEG** | 8.6±5.9 | 22.8±7.9 |
| OKCEG | 10.2±4.1 | 13.7±8.6 | |
| CG** | 7.9±3.5 | 12.7±4.6 | |
| ST† | CKCEG** | 26.5±20.0 | 36.9±27.6 |
| OKCEG** | 28.5±19.7 | 67.9±35.2 | |
| CG** | 13.4±8.7 | 22.1±17.4 | |
| BF | CKCEG** | 19.8±10.0 | 28.4±14.2 |
| OKCEG** | 24.0±14.1 | 39.2±18.8 | |
| CG* | 12.6±7.1 | 22.4±14.1 |
VM: vastus medialis, RF: rectus femoris, VL: vastus lateralis, ST: semitendinosus, BF: biceps femoris, CKCEG: close kinetic chain exercise group, OKCEG: open kinetic chain exercise group, CG: control group, a:Mean±SD, *: Paired t- test, †: One way ANOVA, *†: p<0.05, **: p<0.01