Swimming foot cramps need to be calm, call for help, swim to the nearest shore, if you can not swim because of cramps, try to pull the foot in the direction of the body to relieve the spasm.
Need to call for help in time, while staying calm, do not panic, reduce strenuous activities, observe the safer places around, and try to swim to safety, at the same time you can self-emergency treatment, mainly with the hands of the cramped foot to the direction of the body to do dorsal stretching and pulling, at the same time, slowly straighten the calf, relax the calf muscles.
Swimming foot cramps in a good self-emergency treatment needs to be timely ashore, pay attention to warmth, to avoid getting cold, then also need to pay attention to appropriate rest, slowly move the cramped limbs, further relaxation of tense muscles.
If there are other people on the scene, you can also be on the calf and foot appropriate manipulation therapy, the use of massage to relieve local muscle tension and spasm.
Swimming is best done in pairs, and choose safe waters, in addition to pay attention to the amount of strength, to avoid fatigue caused by foot cramps.