Table 2.

Average Joint Position and External Joint Moments Across Entire Landing Phase Stratified by Static Lower Extremity Alignment Cluster

Variable	Cluster 1: Internally Rotated Hip and Valgus Knee Posture	Cluster 2: Neutral Posture	Cluster 3: Externally Rotated Knee and Valgus Knee Posture
Average joint position, °
Hip flexion (+)	46.68 ± 10.09	49.38 ± 13.83	49.55 ± 12.04
Hip adduction (−)	−0.91 ± 7.28	2.08 ± 6.68	−0.47 ± 8.43
Hip internal rotation (−)	1.03 ± 6.22	0.14 ± 7.14	−1.60 ± 7.20
Knee flexion (−)	−57.84 ± 10.88	−59.27 ± 10.88	−60.09 ± 10.22
Knee valgus (+)a	3.09 ± 6.81	−1.06 ± 6.17	2.48 ± 7.01
Knee external rotation (+)	−0.01 ± 9.08	0.84 ± 9.13	1.82 ± 7.81
Average external joint moments, (Nm · BW−1 · Ht−1) × 10−2
Hip flexion (−)b	−10.19 ± 3.27	−11.52 ± 3.44	−9.29 ± 2.85
Hip adduction (+)	−5.00 ± 4.06	−4.03 ± 3.72	−3.84 ± 2.71
Hip internal rotation (−)	4.81 ± 1.74	4.20 ± 2.32	4.12 ± 1.43
Knee flexion (+)	2.23 ± 2.23	2.19 ± 2.02	3.09 ± 2.12
Knee valgus (−)	−6.85 ± 2.93	−5.62 ± 3.25	−5.60 ± 2.15
Knee external rotation (−)c	−2.69 ± 1.11	−1.98 ± 1.64	−1.87 ± 0.79

Abbreviations: BW, body weight; Ht, height.

^aMain effect: cluster 2 < clusters 1 and 3 (P ≤ .02).

^bMain effect: cluster 2 > clusters 1 and 3 (P ≤ .03).

^cMain effect: cluster 1 > clusters 2 and 3 (P = .006).