Climber taps are mainly a balance exercise that works your core and muscle groups that aid stability. It's a speed exercise so the faster you can do it the better you get at it and the more it works for you.
What's involved: Shoulders, abs, lower abs, front hip flexors, core, adductors.
Powered by: Lower abs and front hip flexors.
Tip: Make it faster and you have found yourself a truly challenging exercise.