| Time course | Event |
| Onset | Rt hip injury due to sprain. Diagnosed as femoacetabular impingement syndrome with labral tear |
| 24 months | Arthroscopic arthroplasty of hip joint, repair of labral tear |
| 27 months | Absent from work due to chronic pain |
| 32 months | Revision of arthroscopic arthroplasty of hip joint, repair of labral tear |