Variables and categories used in the analysis form to describe the injury situation of each injury case
| Variable | Categories |
|---|---|
| General/environment | |
| Visibility | Good, reduced, unsure |
| Snow condition | Icy, hard, soft, unsure |
| Weather condition | Clear, foggy, snowy, unsure |
| Type of terrain | Flat, medium, steep, flat to steep, steep to flat/compression, dosed, unsure |
| Piste condition | Smooth, rough/bumpy, changes frequently, unsure |
| Preceding the injury (one/two obstacles before the index frame) | |
| Riding situation | Jumping, bank turning, giant slalom turn, riding on rollers, gliding/straight riding, unsure |
| If jumping, what type | Single, double, triple jump, spines, step up, step down, table top, unsure |
| If turning, which phase | Initiation, middle, end, change of turns, change of turn to jump, change of turn to roller, unsure |
| Loss of control | Yes, no, unsure |
| Gate contact | Yes, no, unsure |
| Security net | Yes, no, unsure |
| Is the rider riding an inappropriate course-line | Yes, no, unsure |
| If yes, caused by | Timing, opponent, inappropriate strategy, previous obstacle, unsure |
| Regains control from previous obstacle | Yes, no, unsure |
| Technique | On edge forward, on edge backward, flat loaded, unsure |
| Balance | In balance, out of balance |
| Weight distribution | Equally, mainly on leading leg, mainly on back leg, unsure |
| If jumping (questions in relation to the sketches) | |
| Speed in relation to course setting | High, normal, unsure |
| Speed influence of controlling the jump | Yes, no, unsure |
| Course-line influence on the injury | Yes, no, unsure |
| Technical error influence ability to control jump | Yes, no, unsure |
| Contact | |
| Any contact | Yes, no, unsure |
| Type of contact | Intentional, unintentional, unsure |
| Influence on rider control | Yes, no, already lost control, unsure |
| Influence on injury | Yes, no, unsure |
| What is in contact | Board, trunk, arms, head/neck, unsure |
| Who causes contact | Injured rider, opponent, unsure |
| Position of the rider who causes contact | In front, behind, beside, unsure, other please describe |
| Course at contact | Wide, narrow, unsure |
| Course of influence on contact | Yes, no, unsure |
| Attention (ie, what is the rider focusing on) | Opponent, the piste, unsure, other please describe |
| Open question | Please describe the rider situation leading to the injury in your own words |