View Full Version : Normalisation of joint torques

Susan K M Wilson
02-01-2007, 12:59 AM
Dear all,

My research has involved investigating the effect of chair biomechanics on
the ability of older adults to stand up with and without the use of their
arms. I am mainly focusing on the peak moments created at the upper and
lower limb joints. My query is with regard to the normalisation of joint
torques for comparison between subjects. I have reviewed a number of papers
that have normalised their data to Body mass and have thus been able to
compare between groups and test conditions. I have however read a few
papers that normalise their data to body height as well as body mass.

I am keen to get a better understanding of why you would normalise your data
to body height (and body mass) as surely the height of the subject/ body
segment has already been taken into account during initial calculations.

Thanks in advance for your time and help on this matter,


Susan Wilson

PhD student,

Bioengineering Unit,

University of Strathclyde,

Wolfson Building,

106 Rottenrow,


G4 0NW,

Scotland, UK

Email: s.k.m.wilson@strath.ac.uk