Many years ago in the early 90's we were doing a deco dive on the Duane. We had planed a 40 foot stop, 30 foot stop, and a 20 foot stop. We had bottles hanging at each depth. As we descended the line there was very little current and excellent visibility. We were wearing doubles and a 40cu/ft pony each. We did our bottom time and had a wonderful dive. As we ascended we both noticed a much stronger current than when we came down the line. By the time we got to the first stop it was rip roarin....the both of us held on for dear life during all our stops. After what seemed like an eternity we finally made it back to the boat. We were both spent and exhausted. Our arms and shoulders were cramping and in extreme pain. We were concerned that we were both bent so when we got back to the docks we explained everything that happened to us to DAN. Ultimately DAN felt it was muscle exhaustion and fatigue. We were told to watch our symptoms and if anything changes to call back. We lived on Motrin for two days after that. Back in the early 90's we were in top physical condition and it took everything we had to make it back to the boat