Many therapists perform a tool assisted therapy as an
MFR approach. A tennis ball was used as a tool to perform
the study as a simple approach. For the performance of the
MFR by using tennis balls to be made adaptable in the
study, pressure was applied only within the subjects’ pain
tolerance levels. Myers (2014, 3rd edition, pp. 78e79) also
suggested that rolling a tennis ball on the plantar fasciae as
a self exercise.