Table 4.
Preseason Landing Error Scoring System Errors by In-Season Incidence of Anterior Cruciate Ligament Injury
| Landing Error Scoring System Item |
In-Season Incidence |
||
| No.a (% of Athletes) |
P Valueb |
||
| No Injury (n = 1210) |
Anterior Cruciate Ligament Injury (n = 7) |
||
| Knee flexion: initial contact | 798 (66) | 6 (86) | .43 |
| Hip flexion: initial contact | 5 (<1) | 0 (0) | >.99 |
| Trunk flexion: initial contact | 368 (30) | 4 (57) | .21 |
| Ankle plantar flexion: initial contact | 140 (12) | 0 (0) | >.99 |
| Medial knee position: initial contact | 171 (14) | 0 (0) | .60 |
| Lateral trunk flexion: initial contact | 394 (33) | 3 (43) | .69 |
| Stance width: wide | 77 (6) | 1 (14) | .37 |
| Stance width: narrow | 757 (63) | 5 (71) | >.99 |
| Foot position: external rotation | 653 (54) | 6 (86) | .13 |
| Foot position: internal rotation | 44 (4) | 0 (0) | >.99 |
| Symmetric initial-foot contact: initial contact | 148 (12) | 0 (0) | >.99 |
| Knee-flexion displacement | 120 (10) | 2 (29) | .15 |
| Hip-flexion displacement | 31 (3) | 1 (14) | .17 |
| Trunk-flexion displacement | 406 (34) | 6 (86) | .007 |
| Medial-knee displacement | 870 (72) | 5 (71) | >.99 |
| Joint displacement | |||
| Excellent (soft) | 678 (56) | 1 (14) | |
| Average | 456 (38) | 6 (86) | .04 |
| Stiff | 76 (6) | 0 (0) | |
| Overall impression | |||
| Excellent | 51 (4) | 0 (0) | |
| Average | 904 (75) | 5 (71) | .74 |
| Poor | 255 (21) | 2 (29) | |
a
Number of individuals displaying the specified movement error.
b
P values reflect the t or F values.