Generally speaking, golfers tend to be the most undertrained when it comes to strength and conditioning for their sport. Even if they are doing some form of physical training for their sport, it is usually flexibility and mobility work. I come across the entire gamut of thera-bands, foam rollers paraphernalia exercises whenever I take on a new client who is an avid golfer. The usual timeline goes like this, the golfer has some injury, might be related to golf, or may not be connected to it. He goes to a physio, who rehabs the injury. The golfer then asks the physio for help on improving his golf. The physio proceeds to prescribe stretching and mobility exercises, along with stretch band exercises for strength.
But awareness is slowly creeping in that golfers need to be strong if they want to play for a long time without injuries. Being flexible/mobile is not