■Leg cramp

Cramps are caused by rapid exercise or cold water.
Preparatory exercises and wearing appropriate suits can prevent cramps.

If you have a cramp in the calf, pull the fin blade forward with one hand.

If you have a cramp on the soles of the feet, pull the tip of the fin blade up with one hand.

If you have a cramp in front of your thighs, bend your knees and pull your ankles toward your hips.

After the cramp have subsided, chenge your fin kick method to prevent recurrence.

Normal fin kick

Other fin kicks 1　(Feeling like a dolphin)

Other fin kicks 2　(Feeling that water is pushed out with fins using knees)

Other fin kicks 3　(Feeling that water is sandwiched between fins using an ankle)