TRY THIS EXERCISE! The Monkey Hustle. if you want your training time to feel more like playtime, try incorporating more ground-based movements and crawling patterns. Also awesome for muscular endurance!
Dumbbell Pullover - Healthy Fitness Chest Training Exercises Abs
Rock climbing requires upper body power and strength, core strength, and both cardiovascular endurance and muscular endurance. In fact, I specifically remember my forearms and hands begging for mercy at the top of my second climb, and feeling incredibly pumped when I got back down. The next day, my lats were reminding me of what I did the day before.