Table 5 The supraspinatus: middle deltoid (S:D) ratio for 24 shoulder positions
Position no. | Abduction (degrees) | Horizontal flexion (degrees) | Rotation | Median (range) |
|---|---|---|---|---|
1 | 30 | 0 | IR | 0.7 (0.3–1.5) |
2 | 30 | 0 | ER | 1.5 (0.7–2.8) |
3 | 30 | 30 | IR | 1.0 (0.3–3.3) |
4 | 30 | 30 | ER | 3.4 (0.5–9.1) |
5 | 30 | 60 | IR | 1.5 (0.1–11.6) |
6 | 30 | 60 | ER | 3.0 (0.6–21.9) |
7 | 30 | SP | IR | 0.9 (0.4–1.7) |
8 | 30 | SP | ER | 2.5 (0.9–8.0) |
9 | 60 | 0 | IR | 0.7 (0.4–1.3) |
10 | 60 | 0 | ER | 1.4 (0.5–2.6) |
11 | 60 | 30 | IR | 1.0 (0.5–1.7) |
12 | 60 | 30 | ER | 1.6 (0.7–4.4) |
13 | 60 | 60 | IR | 1.2 (0.3–7.3) |
14 | 60 | 60 | ER | 1.5 (0.3–4.1) |
15 | 60 | SP | IR | 0.9 (0.4–1.8) |
16 | 60 | SP | ER | 1.6 (0.5–4.0) |
17 | 90 | 0 | IR | 0.7 (1.6–1.2) |
18 | 90 | 0 | ER | 1.4 (0.3–2.8) |
19 | 90 | 30 | IR | 0.8 (0.2–1.2) |
20 | 90 | 30 | ER | 1.4 (0.2–2.9) |
21 | 90 | 60 | IR | 1.0 (0.1–1.5) |
22 | 90 | 60 | ER | 1.2 (0.1–2.1) |
23 | 90 | SP | IR | 0.9 (0.2–1.3) |
24 | 90 | SP | ER | 1.4 (0.2–3.2) |