Most foot and leg cramps while SCUBA diving occur because your fin is hanging off the edge of your foot. One of the most common complaints that people have about diving is that their feet and legs hurt when they try to kick with today’s long or stiff fins. Their arches or calves cramp, their toes are smashed into the end of the foot pocket, their legs tire… Sound familiar?
http://forcefin.com/wp_foot.html
The primary cause of all this pain is that most fins are designed to concentrate much of the force from kicking on the smaller muscles of the lower leg and feet. And those muscles simply can’t take the stress of powering a large fin blade through the water. The result? Fatigue and cramping.

But with the trail-blazing Force Fin, our unique foot-pocket design transfers much of the effort of moving the blade to the largest muscle group in your body, the quadriceps, removing pressure from the toes and feet. Because your entire leg is now doing the work, muscle fatigue and cramping is significantly reduced.

Don’t get fouled into eating bananas as the solution for your foot or leg cramps, get into a pair of smart fins – Force Fins
http://www.forcefin.com/

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