Body Segment Parameters:

The following tables are excerpted from de Leva, 1996. They describe body segment mass as a proportion of total body mass and the location of each segment's center of mass as a proportion of segment length.

Segment Mass Percents:
Segment Males Females
Head & Neck 6.94 6.68
Trunk 43.46 42.58
Upper Arm 2.71 2.55
Forearm 1.62 1.38
Hand 0.61 0.56
Thigh 14.16 14.78
Shank 4.33 4.81
Foot 1.37 1.29
Segment Length Percents (from proximal endpoint):
Segment Males Females Endpoints
Head & Neck 50.02 48.41 Top of Head - C7
Trunk 43.10 37.82 MidS - MidH
Upper Arm 57.72 57.54 SJC - EJC
Forearm 45.74 45.59 EJC - WJC
Hand 79.00 74.74 WJC - MCPIII
Thigh 40.95 36.12 HJC - KJC
Shank 43.95 43.52 KJC - AJC
Foot 44.15 40.14 Heel - Toe