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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Am J Sports Med. 2016 Dec 22;45(4):810–818. doi: 10.1177/0363546516677727

TABLE 4.

Peak Joint Moment, Joint Moment Impulse, and Joint Moment Duration in the Sagittal Plane During the Stance Phase of Gaita

FAI Group Control Group P Value
Peak joint moment, N · m/kg
 Hip flexion   1.36 ± 0.26   1.29 ± 0.39 .56
 Hip extension −0.72 ± 0.21 −0.81 ± 0.27 .27
 Knee flexion −0.59 ± 0.22 −0.69 ± 0.27 .19
 Knee extension   0.69 ± 0.11   0.63 ± 0.17 .18
 Ankle dorsiflexion   1.64 ± 0.16   1.46 ± 0.31 .04
 Ankle plantar flexion −0.32 ± 0.12 −0.34 ± 0.11 .47
Joint moment impulse, N·m·s/kg
 Hip flexion   0.14 ± 0.04   0.11 ± 0.03 .03
 Hip extension   0.10 ± 0.04   0.12 ± 0.04 .35
 Knee flexion   0.07 ± 0.02   0.09 ± 0.03 .12
 Knee extension   0.10 ± 0.02   0.08 ± 0.03 .06
 Ankle dorsiflexion   0.39 ± 0.07   0.31 ± 0.07   .001
 Ankle plantar flexion   0.02 ± 0.01   0.03 ± 0.01 .62
Joint moment duration, s
 Hip flexion   0.33 ± 0.09   0.27 ± 0.07 .02
 Hip extension   0.29 ± 0.08   0.33 ± 0.07 .13
 Knee flexion   0.27 ± 0.03   0.29 ± 0.06 .30
 Knee extension   0.35 ± 0.06   0.31 ± 0.06 .03
 Ankle dorsiflexion   0.50 ± 0.06   0.47 ± 0.07 .15
 Ankle plantar flexion   0.12 ± 0.03   0.13 ± 0.03 .50
a

Data are reported as mean ± SD. Bolded P values indicate a statistically significant difference between groups (P ≤ .05). Positive joint moment values represent external hip flexion, knee extension, and ankle dorsiflexion moments, respectively. FAI, femoroacetabular impingement.