Some set ideas:
8x25m (something like ~35-40M is better) underwater dolphin kick on ~30 sec rest
some 100s of 4-position kick (streamline, on stomach, left side, back, right side)
vertical kick - circuits of on-again/off-again for ~10 min.
Some set ideas:
8x25m (something like ~35-40M is better) underwater dolphin kick on ~30 sec rest
some 100s of 4-position kick (streamline, on stomach, left side, back, right side)
vertical kick - circuits of on-again/off-again for ~10 min.
