1. Date of download: 12/26/2017
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From: Magnetic Resonance Imaging Assessment of Mechanical Interactions Between Human Lower Leg Muscles in Vivo
J Biomech Eng. 2013;135(9): doi: /
Figure Legend:
Schematic of the leg and trunk within the MRI instrument. (a) Undeformed state. The body is prone on a table (solid line) that is can be moved in and out of the bore of the MRI machine. MRI compatible ankle-foot orthosis (see inset for a picture) was used to fix the ankle angle at 90°, in such a way to leave a small space between posterior side of the lower leg and the ankle-foot orthosis and also between anterior side of the lower leg and MR patient table to avoid exertion of other external forces. The ankle-foot orthosis was secured onto the patient table using support material. The tips of the toes were not allowed to contact the bore of the MRI machine in order to prevent the foot from being loaded mechanically. (b) The deformed state. The trunk of the subject is now supported and brought as close as possible to the bore wall. This creates movement in hip as well as knee joints, but leaves the lower leg in a similar position. In any case the ankle angle is unchanged.