Table 4.
Overall mean (SD) shoulder movement in degrees by hand dominance
| Right hand (n = 2125) | Left hand (n = 257) | |||||
|---|---|---|---|---|---|---|
| Mean (SD) | Median (IQR) | Range | Mean (SD) | Median (IQR) | Range | |
| Left shoulder flexion | 158.1 (18.3)* | 160.0 (150–170) | 0–180 | 161.9 (17.4)* | 166.0 (150–177) | 60–180 |
| Right shoulder flexion | 159.8 (18.7)* | 162.0 (150–172) | 10–180 | 161.7 (21.0)* | 166.0 (154–176) | 0–180 |
| Left shoulder abduction | 148.4 (20.6) | 152.0 (140–160) | 0–180 | 151.1 (16.5) | 150.0 (140–162) | 70–180 |
| Right shoulder abduction | 150.6 (20.1) | 154.0 (140–164) | 0–180 | 151.1 (20.9) | 156.0 (140–164) | 0–180 |
| Left shoulder external rotation | 56.4 (18.0)* | 55.0 (45–57) | 0–90 | 58.2 (17.1)* | 60.0 (45–75) | 10–90 |
| Right shoulder external rotation | 58.8 (17.8) | 60.0 (45–75) | 0–90 | 58.4 (17.7) | 60.0 (45–75) | 0–90 |
*Statistically significant difference in active range between those who are right and left handed, Mann-Whitney U test, p < 0.05