Modified Neonatal Infant Pain Scale
| Indicator | Behavioral score | ||
| 0 | 1 | 2 | |
| Facial expression | Relaxed muscles Neutral expression | Tight facial muscles Furrowed brow chin or jaw | — |
| Cry | Quiet—not crying | Mild moaning intermittent cry | Loud scream, rising shrill Continuous cry |
| Breathing patterns | Relaxed | Changes in breathing; irregular, faster than usual, breath holding | — |
| Legs | Relaxed. No muscular rigidity. Occasional random movements | Flexed/extended Tense | — |
| State of arousal | Awake and quiet or sleeping | Irritable. Alert, restless, and thrashing | — |