Figure 4

Individual and mean pre- and post-testing data for a) stand-and-reach test and b) jumping sideways test by intervention group (CSTS, core strength training program using stable surfaces; CSTU, core strength training using unstable surfaces). Unfilled circles indicate individual data of the CSTS-group and filled circles indicate mean data of the CSTS-group. Unfilled squares indicate individual data of the CSTU-group and filled squares indicate mean data of the CSTU-group.