Figure 7.

The orientation of the mid-longitudinal fascicle plane. Three orientation items (*) were used to define the mid-longitudinal fascicle plane of the medial Gastrocnemius muscle (MGM) (shaded plane and inset): 1) The estimate of the origin of the medial Gastrocnemius muscle (at 1/4th of the line from medial to lateral condyle of the femur, see inset A) 2) the most distal muscle belly end, and 3) a point on the line perpendicular to tangent to the distal aponeurosis in the transversal plane. The direction of the tangent is determined in the distal part of the medial Gastrocnemius muscle belly exactly in between the medial Gastrocnemius muscle borders (see inset B).

Maas et al. BMC Pediatrics 2012 12:38   doi:10.1186/1471-2431-12-38
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