Mean test scores across the three subgroups generated by hierarchical cluster and latent profile analysis
| Subgroup | WEAK and TIGHTER Mean (SD) | STRONG Mean (SD) | WEAK and PRONATED FOOT Mean (SD) | ANOVA |
|---|---|---|---|---|
| Hierarchical clustering | N=49 | N=29 | N=49 | |
| Rectus Femoris Length0 | 121.8 (19.48) | 140.7 (17.06)* | 130.4 (19.21) | F=9.26, p<0.001 |
| Gastrocnemius Length0 | 22.3 (9.71)† | 28.0 (6.51)† | 33.1 (11.21)† | F=14.98, p<0.001 |
| Quadriceps Strength Nm/kg | 0.84 (0.32) | 1.65 (0.53)* | 0.82 (0.32) | F=53.01, p<0.001 |
| Abductor Strength Nm/kg | 0.79 (0.30) | 1.69 (0.46)* | 0.83 (0.29) | F=75.11, p<0.001 |
| Total Patellar Mobility mm | 10.0 (3.55) | 10.8 (3.03) | 15.4 (4.61)* | F=27.12, p<0.001 |
| Foot Posture index | 3.3 (4.16) | 3.0 (5.28) | 6.3 (3.49)* | F=8.22, p<0.001 |
| Latent profile analysis | N=50 | N=28 | N=49 | |
| Rectus Femoris Length0 | 119.1 (18.06)* | 140.6 (16.91) | 133.5 (18.99) | F=14.58, p<0.001 |
| Gastrocnemius Length0 | 28.7 (11.08) | 28.2 (6.29) | 26.6 (12.39) | F=0.53, p=0.59 |
| Quadriceps Strength Nm/kg | 0.62 (0.24)† | 1.68 (0.52)† | 1.04 (0.23)† | F=97.54, p<0.001 |
| Abductor Strength Nm/kg | 0.60 (0.18)† | 1.73 (0.42)† | 1.02 (0.21)† | F=167.69, p<0.001 |
| Total Patellar Mobility mm | 12.5 (3.77 | 10.5 (3.15) | 12.8 (5.84) | F=2.55, p=0.083 |
| Foot Posture index | 2.80 (4.35) | 3.71 (5.33) | 6.37 (3.11)* | F=9.51, p<0.001 |
†All groups significantly different from each other (p<0.05).
*Group significantly different from each of the other two (p<0.05).
ANOVA, analysis of variance.