1. Strength - The ability for the muscle to stay contracted under a maximum load. 2. Power - The ability to generate the contraction of strength.
Hand strength is the ability to clamp down on holds. It can be defined as contact strength (slopers), crimp strength, pocket strength, or pinch strength.
indoors routes tend to be more consistent meaning that a 5.12 will have lots of 5.12 moves stacked on top of each other