Table 2. Integral values of voltages in EMG during each phase in pitching.
Integral values of voltages (Volt)
Style No. of pitch* Portion of serratus anterior Windup - arm cocking Arm acceleration Arm deceleration - follow-through
Overhand 1 upper 117.3 41.9 361.1
2 upper 110.2 46.2 263.2
1 middle 217.6 108.1 69.7
2 middle 231.3 96.7 113.8
1 lower 157.6 135.5 66.9
2 lower 155.9 134.9 78.2
Sidearm 1 upper 103.9 36.7 327.1
2 upper 143.6 31.8 295.0
1 middle 138.7 83.7 136.8
2 middle 217.0 95.5 145.6
1 lower 103.2 74.7 63.7
2 lower 148.0 98.1 72.1
*Two pitches in each style were available for the EMG study.