Table 3.

Soreness rules ^a

1. If no soreness, advance 1 step every stroke training day.

2. If sore during warm-up but soreness is gone within the first 15 strokes, repeat the previous workout. If shoulder becomes sore during this workout, stop and take 2 days off. On return to stroke training, drop down 1 step.

3. If sore more than 1 hour after hitting or the next day, take 1 day off and repeat the most recent stroke training workout.

4. If sore during warm-up and soreness continues through the first 15 strokes, stop playing and take 2 days off. On return to playing, drop down 1 step.

^aAdapted from Axe et al.²