Distribution of 127 participants into predetermined subgroups using different SD from population norms
| Published population norm | SD from published population norm | ||||
|---|---|---|---|---|---|
| 1 SD | 1.5 SD | 2 SD | 2.5 SD | ||
| Mean (SD) | n (%) | n (%) | n (%) | n (%) | |
| Lower limb biarticular tightness | 35 (27.6) | 12 (9.4) | 8 (6.3) | 3 (2.4) | |
| Quadriceps | 132.21 (16.39) | 33 (30) | 19 (15.5) | 12 (9.4) | 3 (2.4) |
| Hamstrings | Male: 142.55 (6.85) Female: 153.66 (11.13) | 31 (24.4) | 18 (14.2) | 9 (7.1) | 4 (3.1) |
| Gastrocnemius | 35.22 (6.59) | 74 (58.3) | 46 (36.2) | 38 (29.1) | 24 (18.9) |
| Hip abductor weakness | Male: Age <30: 185 (37.6) Age ≥30: 163 (37.4) Female: Age <30: 114 (31.8) Age ≥30: 102 (26.0) | 112 (88.2) | 100 (78.7) | 66 (52) | 38 (29.9) |
| Quadriceps weakness | Male: Age <30: 242 (55.8) Age ≥30: 236 (43.8) Female: Age <30: 160 (26.4) Age ≥30: 157 (41.9) | 125 (98.4) | 119 (93.7) | 115 (90.6) | 104 (81.9) |
| Patellar hypomobility | 26.2 (5.8) | 122 (96.1) | 111 (87.4) | 89 (70.1) | 63 (49.6) |
| Patellar hypermobility | 26.2 (5.8) | 0 | 0 | 0 | 0 |
| Foot pronation | 4 (3) | 43 (33.9) | 18 (14.2) | 17 (13.4) | 3 (2.4) |
| No subgroup | 0 | 1 (0.8) | 2 (1.6) | 7 (5.5) | |