EC means Extra Credit is a way to make an exercise or workout a little more difficult, as @scramJam said it is usually marked at the bottom of the workout as an extra effort
EC means Extra Credit is a way to make an exercise or workout a little more difficult, as @scramJam said it is usually marked at the bottom of the workout as an extra effort
EC means Extra Credit is a way to make an exercise or workout a little more difficult, as @scramJam said it is usually marked at the bottom of the workout as an extra effort