@article{ref1,
title="The effect of backrest position on the push which can be exerted on an isometric foot-pedal",
journal="Journal of anatomy",
year="1952",
author="Rees, J. E. and Graham, N. E.",
volume="86",
number="3",
pages="310-319",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-8782",
doi="",
url="http://dx.doi.org/"
}