| Joint perception | TriathlonTM | NexgenTM |
|---|---|---|
| Native or natural joint | 2 (13.3 %) | 1 (6.7 %) |
| Artificial joint with no restriction | 4 (26.7 %) | 3 (20 %) |
| Artificial joint with minimal restriction | 7 (46.7 %) | 9 (60 %) |
| Artificial joint with major restriction | 2 (13.3 %) | 2 (13.3 %) |
| Non functional joint | 0 (0%) | 0 (%) |