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. Author manuscript; available in PMC: 2009 Jan 1.
Published in final edited form as: J Biomech. 2008 Jan 18;41(4):770–778. doi: 10.1016/j.jbiomech.2007.11.022

Table 1.

Locations of the center of mass of individual limb segments relative to the proximal joint center. The center of mass is expressed as a percentage of the limb length along each segment’s local anatomic axes

Segment Axis Direction Distance Location
Femoral Longitudinal 33 % Distal to femoral head
Anterior - Posterior 0 % Anterior to femoral head
Medial - Lateral 34 % Lateral to femoral head
Tibiotarsal Longitudinal 29 % Distal to knee center
Anterior - Posterior 6 % Anterior to knee center
Medial - Lateral 24 % Lateral to knee center
Tarsometatarsal Longitudinal 38 % Distal to hock center
Anterior - Posterior 32 % Posterior to hock center
Medial - Lateral 2 % Medial to hock center
Phalangeal Longitudinal 30 % Anterior to joint center
Superior - Interior 33 % Superior to bottom of foot
Medial - Lateral 7 % Medial to joint center