‫In this warm up drill we're going to swim between 200 to 300 metres freestyle one to three laps.
‫We're going to swim normal freestyle and glide very long.
‫Breathe every three strokes in the fourth lap.
‫We're going to swim long doggy paddle like we did in the previous exercise.
‫It means the elbow doesn't go outside of the water inside and glide.
‫One of the most important things is to glide long enough to pull strongly when you do this exercise
‫in order to open the lungs along get the muscles and enjoy the warmer.