Since I was out of the pool for 3 weeks due to an ankle sprain, I used stretch cords to mimic swimming. I can tell you that it got my heart rate up and I felt the muscles but it wasn't quite as good as a pool warm-up.
Since I was out of the pool for 3 weeks due to an ankle sprain, I used stretch cords to mimic swimming. I can tell you that it got my heart rate up and I felt the muscles but it wasn't quite as good as a pool warm-up.
