No matter when muscle cramps arise, they are always a pain, especially during a workout. While you might not be able to prevent them entirely, there are steps you can take to reduce your chances of muscle cramps. The most important thing to do is to stay hydrated. Drinking lots of water can help keep cramps at bay.
If you do have frequent muscle cramps, you may need to up your potassium intake by eating a banana or drinking electrolyte filled beverages. Taking vitamins on a regular basis can also help. Finally, never begin or end a workout without warming up and stretching out your muscles. Keeping body warm and flexible will help reduce your chance of muscle cramps.