Golf is a game does not demand from a person physically. Yes, observe some golf players not necessarily having a monstrous physique or towering heights. All that is needed is the sufficient skill needed to send a ball down the hole!
Learn how to play golf with basic clubs, shoes, and other gears. Once you have them, just start hitting basic shots in order to have a general feel on the ball. Just remember that while doing so, you should maintain the proper balance, grip, and stance so your warm up would not be inutile.
After warming up, just practice the swings taught to you by your golfing teacher. Develop it and try simulating different situations to master the swing. Just repeat the steps and practice everyday.