25 minutes of HIIT probably isnt 'true' HIIT.
HIIT sessions usually last a maximum of 20 minutes, because after that(if you were doing it correctly), your body probably will not be able to perform at relatively high intensity, thus after the ~20 minute mark, it is not high intensity anymore.
variations of rowing: barbell bent over rows, pendlay rows, db rows, one arm db rows, inverted rows, cable rows
benching variations: bb bench, db bench, incline, decline, 1 arm db bench, chain bench, band bench, 1 arm bb bench
verticle push variations: dips, military press, push press, db mil press, db push press, handstand pushups, lunge press
verticle pulls: chinups, pullups, towel grip chins/pulls, weighted chins/pulls, 1 arm negatives, wide grip, narrow grip
HIIT sessions usually last a maximum of 20 minutes, because after that(if you were doing it correctly), your body probably will not be able to perform at relatively high intensity, thus after the ~20 minute mark, it is not high intensity anymore.
variations of rowing: barbell bent over rows, pendlay rows, db rows, one arm db rows, inverted rows, cable rows
benching variations: bb bench, db bench, incline, decline, 1 arm db bench, chain bench, band bench, 1 arm bb bench
verticle push variations: dips, military press, push press, db mil press, db push press, handstand pushups, lunge press
verticle pulls: chinups, pullups, towel grip chins/pulls, weighted chins/pulls, 1 arm negatives, wide grip, narrow grip