Table 5.
High-frequency keywords of rehabilitation robot research from 2010 to 2020 (frequency > 150).
| Ranking | Keywords | Frequency | Centrality | Ranking | Keywords | Frequency | Centrality |
|---|---|---|---|---|---|---|---|
| 1 | Rehabilitation | 1,276 | 0.14 | 11 | Gait | 309 | 0.09 |
| 2 | Stroke | 940 | 0.13 | 12 | System | 289 | 0.06 |
| 3 | Design | 471 | 0.1 | 13 | Arm | 274 | 0.06 |
| 4 | Recovery | 469 | 0.12 | 14 | Upper limb | 256 | 0.11 |
| 5 | Exoskeleton | 434 | 0.11 | 15 | Movement | 238 | 0.15 |
| 6 | Robot | 418 | 0.15 | 16 | Spinal cord injury | 217 | 0.08 |
| 7 | Therapy | 373 | 0.1 | 17 | Performance | 198 | 0.15 |
| 8 | Walking | 345 | 0.15 | 18 | Reliability | 189 | 0.08 |
| 9 | Rehabilitation robotics | 326 | 0.11 | 19 | Impairment | 167 | 0.09 |
| 10 | Robotics | 316 | 0.06 | 20 | Upper extremity | 163 | 0.05 |