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Table 2 Regression models of the kinematic variables

From: Are clinical measures of foot posture and mobility associated with foot kinematics when walking?

ROM kinematic variables. 0-20 % of the gait cycle
Kinematic variable – plane of motion ROM Variable Variables in block 1 Block 1 adjusted R2 Foot posture measure added Block 2 adjusted R2 Change in R2 P value
  Hallux-medial forefoot – transverse Abduction - - NNHt 0.110 - 0.001
  Hallux-medial forefoot – frontal Eversion Step length 0.089 FPI 0.196 0.113 <0.001
Truncated foot length NNHt 0.238 0.153 <0.001
1st MTPJ dorsiflexion DAH 0.161 0.079 0.003
ROM kinematic variables. 20-70 % of the gait cycle
 Midfoot-rearfoot – frontal Eversion Step length 0.092 FPI 0.170 0.084 0.002
Height NNHt 0.178 0.092 0.001
1st MTPJ dorsiflexion DAH 0.148 0.063 0.009
Peak kinematic variables        
Kinematic variable – plane of motion Peak variable Variables in block 1 Block 1 adjusted R2 Foot posture measure added Block 2 adjusted R2 Change in R2 P value
  Rearfoot / leg – transverse plane Abduction -   NNHt 0.097 - 0.001
AI 0.087 - 0.002
FMM 0.080 - 0.003
  Rearfoot / leg – transverse plane Adduction Foot length 0.039 FPI 0.263 0.222 <0.001
Truncated foot length NNHt 0.238 0.199 <0.001
Ankle Inversion AI 0.164 0.129 <0.001
Ankle ROM
  Rearfoot / leg – frontal plane Inversion Step length 0.116 FPI 0.205 0.093 0.001
Height NNHt 0.198 0.086 0.002
Weight
Ankle Inversion
Ankle ROM
  Midfoot / rearfoot – sagittal plane Dorsiflexion 1st MTPJ dorsiflexion 0.053 FPI 0.114 0.070 0.007
DAH 0.121 0.076 0.005
  Midfoot / rearfoot – transverse plane Adduction Height 0.207 FPI 0.311 0.108 <0.001
Weight NNHt 0.322 0.188 <0.001
Truncated foot length AI 0.278 0.076 0.002
DAH 0.286 0.084 0.001
  Midfoot / rearfoot – frontal plane Eversion 1st MTPJ dorsiflexion 0.040 FPI 0.139 0.106 0.001
Ankle inversion
  Lat forefoot / midfoot – transverse plane Abduction Stride length 0.073 FPI 0.123 0.057 0.014
Weight
Ankle inversion
Ankle ROM
  Lat forefoot / midfoot – transverse plane Adduction Stride length 0.143 FPI 0.241 0.099 0.001
Height NNHt 0.198 0.060 0.009
Weight AI 0.207 0.068 0.005
Lunge
Ankle eversion
Ankle ROM
  Hallux / medial forefoot – frontal plane Inversion Foot length 0.100 FPI 0.180 0.085 0.002
Truncated foot length NNHt 0.099 0.063 0.011
1st MTPJ dorsiflexion
Ankle inversion
  1. FPI Foot Posture Index, NNHt Normalised navicular height truncated, AI Arch index, DAH Dorsal arch height, FMM Foot mobility magnitude