Being "In Shape"
Being in shape for one thing doesn't make you in shape for everything. Every sport and activity has its own fitness demands and challenges. For example, I've been learning to play golf lately, and even though I am relatively flexible for a guy my size and age, my golf flexibility is low, and it's making it hard to have a consistent swing.
Click Here for some golf fitness training tips
It's really important to cross-train and try new things. It can keep you interested and provide new motivation to improve, and also show you areas where you should improve.