| often | 5 | temporal |
| on lower back | 4 | location |
| during an eccentric contraction | 3 | temporal |
| hamstring → be → strained | 11 |
| hamstring → become → strained | 5 |
| hamstring → put → strain | 3 |
| negative | neutral | positive |
| 0.580 | 0.398 | 0.023 |
| Raw frequency | 19 |
| Normalized frequency | 0.408 |
| Modifier score | 0.667 |
| Perplexity | 186.417 |