Film about getting fit in the 1950's -- Film 38983

Film about getting fit.
Aerial view of large city in Britain.
Men loosen up before a lesson. Tag game with chain getting bigger when tagged. Physical exercises for the ankle and knee joint. Shoulder exercise. Men have smiling faces enjoying lesson (a bit false!). Actions are synchronised. They get out apparatus - benches. Close up on individual doing stomach muscle exercise. Balancing exercise on benches made into a see-saw. Backward rolls. Bull in the Ring game. Shoulder wresting, jumping rope, skipping, ball games, heading ball, four corner tug, and lastly volleyball.