In the NFL during the 1970s, were workouts mostly push ups, sit ups, pull ups, calisthenics?
Because weightlifting was still a fairly foreign concept as opposed to now where it is highly popular among all sorts of people. Plus, I would think they would not have the fitness machines we have today. This, and I guess there were not as many trainers or nutritionists assigned to each time as there are today. This and the limited number of people on the medical staff
My dad was very into weight lifting in the late 70's and early 80's, so im not sure if I can give you a perfect answer, but he did have Universal weight machines, and he had a gym in his school, so I assume that weight lifting was still quite common.
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