Kick harder. You are fishtailing because your kick lacks the thrust to keep the back half of your body straight.
Also be conscious of your hips and their rotation during the stroke. If your hips are kept flat relative to the surface of the water, you will tend to fishtail. They need to roll with your front half as you stroke.
Kick harder. You are fishtailing because your kick lacks the thrust to keep the back half of your body straight.
Also be conscious of your hips and their rotation during the stroke. If your hips are kept flat relative to the surface of the water, you will tend to fishtail. They need to roll with your front half as you stroke.
