In high school, decades ago, they still had "commando gym" a 5 day a week program started in WWII. School board just never got around to killing it. It was a gift to the bozo instructors: they would make us drill for 10 minutes and then it was "go play basketball" or if the weather was good, "go play baseball" and yours truly soon learned to just stand by the fence and watch. Teacher went into his little office and took a nap. Or in one case a few shots. Any other subject, the school was supposed to teach you something. In gym, only the kids who already knew how to play excelled. When I started college I was appalled to find it was more of the same. I'm PAYING for this nonsense and I'm back like in high school. We even had one "instructor" who chomped on an unlit cigar butt while "making men" of us. At least I wasn't alone here. Much later I worked in a movie theater. Long narrow room, I'm stuck in it for 5 to 10 hour stretches. I started jogging back and forth instead of my usual pacing. I worked up to over an hour and soon found that others couldn't do this! Then one of the movie ushers introduced me to real gyms. I took up weight lifting which I could do alone, at my own rate and without some moron "coach" mocking me. 15 years later I'm still lifting. I added quite a bit of muscle, dumped my excess fat and am in better physical condition than ever. Where was this stuff when I was being "taught" in phys. ed.?
A nice bonus is that a person doesn't have to get real social whilst working out. In fact, people who chatter away in the gym are looked down upon. There is structure to the workout plan and when I use an aerobic machine I can play all sorts of mental games with the ratios of time worked/time left and keep my mind in a pleasant trance.
I still can't catch a ball but I sure can run. And I still couldn't care less about pro sports. I can't get excited about watching some other people working out. My favorite line when asked "how about those.....(football team)..." is "OK, are we talking about baseball or basketball?"