I am interested in developing constitutive models of the
four main human knee ligaments (ACL, PCL, MCL, LCL). After
an extensive literature search, I have found that both of
the cruciate ligaments are comprised, functionally and
anatomically, of two bundles of fibers that are not exactly
parallel to the long axis of the ligament. It seems that
one bundle from each cruciate ligament is in tension during
knee flexion, and that the other bundle from each ligament
is in tension during knee extension.
I am interested in what thoughts any of you might have on
the reproducibility of splitting the ACL into its
antero-medial, and postero-lateral bundles (as well the PCL
into its antero-lateral and postero-medial bundles). Also
since we need to keep the ligament-bone attachment site
intact, I am interested in the possibility of reproducibly
cutting the bone in between segments to leave each ligament
bundle in a bone-ligament-bone orientation.
The tests we are running are mostly step and hold tests
(tensile) with some sine and triangle wave tests as well.
Thank you for any assistance and/or comments you might be
able to provide. I will summarize and post the responses.
-----------------------------------------------------------
Jason R. Kerrigan
University of Virginia
Center for Applied Biomechanics
1011 Linden Ave.
Charlottesville, VA 22902
(434) 296-7288 (O)
(434) 296-3453 (F)
jrk3z@virginia.edu
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four main human knee ligaments (ACL, PCL, MCL, LCL). After
an extensive literature search, I have found that both of
the cruciate ligaments are comprised, functionally and
anatomically, of two bundles of fibers that are not exactly
parallel to the long axis of the ligament. It seems that
one bundle from each cruciate ligament is in tension during
knee flexion, and that the other bundle from each ligament
is in tension during knee extension.
I am interested in what thoughts any of you might have on
the reproducibility of splitting the ACL into its
antero-medial, and postero-lateral bundles (as well the PCL
into its antero-lateral and postero-medial bundles). Also
since we need to keep the ligament-bone attachment site
intact, I am interested in the possibility of reproducibly
cutting the bone in between segments to leave each ligament
bundle in a bone-ligament-bone orientation.
The tests we are running are mostly step and hold tests
(tensile) with some sine and triangle wave tests as well.
Thank you for any assistance and/or comments you might be
able to provide. I will summarize and post the responses.
-----------------------------------------------------------
Jason R. Kerrigan
University of Virginia
Center for Applied Biomechanics
1011 Linden Ave.
Charlottesville, VA 22902
(434) 296-7288 (O)
(434) 296-3453 (F)
jrk3z@virginia.edu
---------------------------------------------------------------
To unsubscribe send SIGNOFF BIOMCH-L to LISTSERV@nic.surfnet.nl
For information and archives: http://isb.ri.ccf.org/biomch-l
---------------------------------------------------------------