An hour's a long time to be jumping rope, especially if you're not used to it. Next time try switching off every 10 minutes between jumprope and shadowboxing, or something like that.
"I don't want them to like me, because when I'm in the ring, punches fly to the face. It is not a tenderness time. I am not falling in love. And he knows that when the fight starts I am kicking faces."
- Wanderlei Silva