Are changes in radiological leg alignment and femoral parameters after total hip replacement responsible for joint loading during gait?

van Drongelen, Stefan; Kaldowski, Hanna; Tarhan, Timur; Assi, Ayman; Meurer, Andrea; Stief, Felix

doi:10.1186/s12891-019-2832-5

Table 4 Correlations between joint moments, joint kinematics and clinical leg parameters for the operated leg

From: Are changes in radiological leg alignment and femoral parameters after total hip replacement responsible for joint loading during gait?

	FO	HKA	HKS	NSA	FPA	KneeFlex	KneeExt	KneeRoM	LTD	HipAdd1	HipAdd2	HipFlex	HipExt	HipRoM
KAM_1	0.439	− 0.599	0.373	− 0.195	0.349	0.168	−0.231	0.459	0.445	−0.091	−0.096	0.142	0.077	0.170
KAM_1	P = 0.041	P = 0.003	P = 0.088	P = 0.384	P = 0.112	P = 0.456	P = 0.301	P = 0.032	P = 0.038	P = 0.689	P = 0.671	P = 0.527	P = 0.734	P = 0.449
KAM_2	0.365	−0.590	0.181	0.025	0.470	0.059	−0.287	0.412	0.496	−0.132	−0.148	0.119	0.095	0.126
KAM_2	P = 0.095	P = 0.004	P = 0.420	P = 0.911	P = 0.027	P = 0.794	P = 0.196	P = 0.057	P = 0.019	P = 0.558	P = 0.512	P = 0.597	P = 0.675	P = 0.575
HAM_1	0.030	−0.541	0.135	0.062	−0.002	−0.131	− 0.212	0.120	0.240	0.409	0.117	0.258	0.086	0.199
HAM_1	P = 0.893	P = 0.009	P = 0.548	P = 0.783	P = 0.994	P = 0.561	P = 0.344	P = 0.594	P = 0.282	P = 0.059	P = 0.603	P = 0.247	P = 0.704	P = 0.375
HAM_2	0.089	−0.372	0.142	−0.174	0.150	−0.172	− 0.216	0.082	0.243	0.143	0.280	0.002	0.003	0.071
HAM_2	P = 0.695	P = 0.088	P = 0.528	P = 0.440	P = 0.506	P = 0.443	P = 0.334	P = 0.717	P = 0.275	P = 0.525	P = 0.206	P = 0.992	P = 0.988	P = 0.754
FO	1	−0.398	0.331	−0.500	0.141	0.440	0.097	0.345	0.374	−0.290	−0.103	0.400	0.269	0.098
FO		P = 0.067	P = 0.132	P = 0.018	P = 0.531	P = 0.041	P = 0.666	P = 0.116	P = 0.086	P = 0.190	P = 0.649	P = 0.065	P = 0.226	P = 0.666
HKA	−0.398	1	−0.365	0.189	0.040	−0.496	−0.282	− 0.178	−0.615	0.278	0.317	−0.587	−0.418	− 0.099
HKA	P = 0.067		P = 0.095	P = 0.400	P = 0.860	P = 0.019	P = 0.203	P = 0.428	P = 0.002	P = 0.211	P = 0.150	P = 0.004	P = 0.056	P = 0.662
HKS	0.331	−0.365	1	−0.440	− 0.069	0.329	0.281	0.004	0.079	−0.209	−0.105	0.092	0.064	0.058
HKS	P = 0.132	P = 0.095		P = 0.041	P = 0.761	P = 0.134	P = 0.205	P = 0.984	P = 0.725	P = 0.351	P = 0.641	P = 0.685	P = 0.779	P = 0.799
NSA	−0.500	0.189	−0.440	1	0.329	−0.467	−0.330	− 0.090	−0.160	0.418	0.170	−0.276	−0.228	0.052
NSA	P = 0.018	P = 0.400	P = 0.041		P = 0.135	P = 0.028	P = 0.134	P = 0.690	P = 0.477	P = 0.053	P = 0.449	P = 0.214	P = 0.308	P = 0.820

Pearson correlations and P values for the correlations between joint moments, joint kinematics and clinical leg parameters for the operated leg
Abbreviations: KAM_1 = maximum external knee adduction moment in first phase of stance; KAM_2 = maximum external knee adduction moment in second phase of stance; HAM_1 = maximum external hip adduction moment in first phase of stance; HAM_2 = maximum external hip adduction moment in second phase of stance; FO = Femoral Offset; HKA = Hip-Knee-Angle; HKS = Hip-Knee-Shaft-Angle; NSA = Neck-Shaft-Angle; FPA = mean foot progression angle in the transverse plane; KneeFlex = maximum knee flexion during stance; KneeExt = maximum knee extension during stance; KneeRoM = knee range of motion in the sagittal plane during stance; LTD = maximum lateral trunk displacement in the frontal plane during stance; HipAdd_1 = maximum hip adduction during first phase of stance; HipAdd_2 = maximum hip adduction during second phase of stance; HipFlex = maximum hip flexion during stance; HipExt = maximum hip extension during stance; HipRoM = hip range of motion in the sagittal plane during stance; significant differences are bold printed

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ISSN: 1471-2474

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