TABLE 4.
Shoulder Position | |||||
---|---|---|---|---|---|
EMG Activity by Testing State | Neutral | 45° of Abduction | 90° of Abduction | 45° of Flexion | 90° of Flexion |
LHBM | |||||
Nonloaded, splinted vs not | .064 | .075 | .173 | .087 | .116 |
Loaded, splinted vs not | .972 | .133 | .701 | .650 | .600 |
Nonsplinted, loaded vs not | .046 | .002 | .006 | .016 | .003 |
Splinted, loaded vs not | .196 | .028 | .463 | .463 | .033 |
SHBM | |||||
Nonloaded, Splinted vs not | .016 | .001 | .003 | .011 | .001 |
Loaded, Splinted vs not | .807 | .004 | .019 | .033 | .028 |
Nonsplinted, loaded vs not | .039 | .011 | .009 | .016 | .001 |
Splinted, loaded vs not | .382 | .033 | .279 | .650 | .023 |
Middle head of the deltoid muscle | |||||
Nonloaded, splinted vs not | .046 | .011 | .002 | .055 | .345 |
Loaded, splinted vs not | .101 | .133 | .173 | .173 | .075 |
Nonsplinted, loaded vs not | .075 | .002 | .001 | .013 | .009 |
Splinted, loaded vs not | .507 | .033 | .152 | .013 | .007 |
aBoldfaced values indicate statistical significance (P ≤ .05, related-samples Wilcoxon signed rank comparison). LHBM, long head of the biceps muscle; SHBM, short head of the biceps muscle.