Final answer:
During a sports preparticipation physical exam, rising up on toes and raising heels is observed for calf symmetry and leg strength.
Step-by-step explanation:
During a sports preparticipation physical exam, when asking the client to rise up on his toes and raise his heels, you are observing for calf symmetry and leg strength. This test assesses the strength and coordination of the muscles in the lower legs. By observing the client's ability to perform this movement, you can identify any imbalances or weaknesses in the calf muscles.