Table II.
Pectoralis major tear characteristics as assessed with magnetic resonance imaging.
| Tear characteristic | Total no. of tears | Operative tears | Nonoperative tears | Overall percentage∗ (%) |
|---|---|---|---|---|
| Muscle head | ||||
| Sternal | 83 | 56 | 27 | 81.4 |
| Sternal + clavicular | 19 | 15 | 4 | 18.6 |
| Extent of tear | ||||
| Complete | 65 | 56 | 9 | 63.7 |
| Partial | 37 | 15 | 22 | 36.3 |
| Tear location | ||||
| Insertion on humerus | 37 | 30 | 7 | 34.9 |
| Myotendinous junction | 64 | 39 | 25 | 60.4 |
| Muscle belly | 5 | 2 | 3 | 4.7 |
| Other | 0 | 0 | 0 | 0.9 |
∗
Denotes percentage of tear characteristic compared to total number of patient tears per category.