Pelvic Kinematics & Sagittal Vector View
Push-Off Phase (45%) Ground Reaction Vector
Fascial Elastic Spring Storage
Acetabular Moment Arm
Continuous Gait Cycle Scrubber (Heel Strike → Push-Off → Swing)
45%
0% Heel Strike
25% Mid-Stance
50% Push-Off
75% Mid-Swing
100% Touchdown
Hominin Morphotype Baseline
Acetabular Anterior Offset
+14.2 mm
Iliac Flare Angle
32.5°
Pelvic Sagittal Pitch / Tilt
12.0°
Walking Cadence / Speed
1.35 m/s
Spring Recoil
24.6 J
Elastic energy/stride
Abductor Torque
84.2 Nm
Stabilization demand
Metabolic Cost
3.12 J/kg
Transport efficiency
Modern human male morphology places the hip joint anteriorly relative to the sacrum, tensioning the iliofemoral ligament and gluteal fascial sheet into a high-efficiency spring recoil during terminal push-off.