Swim Fins
Swim fins, rubber fins or flippers are rubber or plastic shoes in imitation of the fins of fish are placed around the feet to facilitate movement by water, especially in activities that deal with water sports such as swimming, bodyboarding, Bore, surfing knee hydrospeed and diving.
The main purpose of the use of fins is to swim faster than you swim without fins its sub-objectives can be quite varied, from increased aerobic work, through the strengthening of the lower extremities and hip and of course, improved swimming technique at high speeds.
Not to mention the resistance to lactate in the muscles of the hips and legs.
They are essential for a modern training. Swim fins are used for Fin Swimming.
The Fin Swimming is a sport that is practiced in swimming and open water, which originated in the mid-60 `s, its evolution has been constant throughout the world.
This sport depends on the C.M.A.S. (World Underwater Federation), which is the agency that directs. Swimming with fins, such as competition, is a journey in the shortest possible time in a swimming pool or open water swim using the Surface, Immersion Swim or Swim in Apnea.
Swimming styles set in swimming with fins are:
With double fins
It is a swimming style executed in ventral position, which is to carry arms traction as an alternative, while the legs move up and down with flippers on his feet and helping the body propulsion and stability.
With Monofin
This style also runs a Monofin instead of fins, except that the pulling motion will be formed from the swimmer's chest to the feet ending in a kick with both legs together, imitating the movement of dolphins and orcas.
Swim in Apnea
Swimming style executed in ventral position under water without breathing, arms stretched on both sides of the drive head movement of legs, so if you swim with monofin. The face should not leave the water until you have completed the course.
Immersion Swimming
Swimming style executed in ventral position under the water with outstretched arms by the sides of the head. During the course of testing, the face is the only body part that cannot leave the water.