However, the main emphasis of this case was optimal loading of trunk specific mechanical determinants of the tennis serve. Upon return home (one week after injury) the NSAID was discontinued and a training program was implemented which included (trunk mechanical determinant in parenthesis): 1) bilat- eral hands left and right rotational pull (rotation), 2) left- and right- hand vertical press (lateral flexion) and 3) left- and right-hand anterior push (rotation and flexion) (see Fig. 4 for images of exer- cises). All