Push off the wall on your back in a streamlined position and doing a dolphin kick. This will help with your butterfly kick and kicking from your core. See video:
While swimming backstroke, wave the hand that is out of the water. This will help with your hand position as it enters and exits the water. See video:
Pull with both arms at the same time while using a flutter kick. This will help with your pull. See video:
BEGINNER WORKOUT:
200 easy swim (warm-up)
200 dolphin kick on back drill
12×25 (odd 25s the wave back drill/even 25s double arm back drill) on the :40
10×50 back on the 1:15
300 easy swim (cool down)
= 1500
INTERMEDIATE WORKOUT:
300 easy swim (warm-up)
300 dolphin kick on back drill
20×25 (odd 25s back down/even 25s the wave back drill) on the :30
5×100 back descending in time on the 2:00
2×200 back on the 4:00
10×50 free pull on the :50
500 easy swim (cool down)
= 3000
ADVANCED WORKOUT:
30×50 free (10 on the :55, 10 on the :50 and 10 on the :45) (warm-up)
5×100 dolphin kick on back drill on the 1:45
12×75 (50 back/25 the wave back drill) on the 1:30
4×50 back sprint on the 1:30
4×50 back sprint on the 1:30
4×50 back sprint on the 1:30
4×50 back sprint on the 1:30
300 easy swim (cool down)
= 4000