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Table 1 Means and standard deviations of segment masses (kg) over the three month study.

From: Changes in infant segment inertias during the first three months of independent walking

Segment Week 1 Week 3 Week 5 Week 7 Week 9 Week 11
Head/Neck 2.40 (0.25) 2.32 (0.17) 2.43 (0.23) 2.28 (0.30) 2.16 (0.25) 2.36 (0.31)
Upper Trunk 1.68 (0.24) 1.46 (0.23) 1.60 (0.20) 1.70 (0.25) 1.58 (0.16) 1.48 (0.12)
Lower Trunk 2.09 (0.25) 2.48 (0.48) 2.49 (0.62) 2.46 (0.32) 2.63 (0.40) 2.57 (0.49)