Your patient completes 2 x 10 standing full can exercise. He completes the exercise with correct form, no pain, and reports that the exercise is easy. You are trying to improve your patient's strength. Which of the following should be used to progress your patient?
A. 3 x 10 shoulder full can exercise with no weight
B. 2 x 15 shoulder full can exercise with no weight
C. 2 x 10 shoulder full can exercise with a 1-pound weight
D. 20 shoulder full can exercise with no weight