| 竖脊肌 | 背阔肌 | 臀大肌 | 臀中肌 |
竖脊肌 | 1 | 2 | 0.333 | 0.5 |
背阔肌 | 0.5 | 1 | 4 | 3 |
臀大肌 | 3 | 0.25 | 1 | 2 |
臀中肌 | 2 | 0.333 | 0.5 | 1 |