You know, back before color was around.
A woman uses a device for "slimming exercises" in 1934. This doesn't look like a lot of fun.
Image by Hulton Archive / Getty Images
1925: Now we're talking. No one should ever work out without an extra pair of X chromosomes and a mechanical horse.
Image by Hulton Archive / Getty Images
This dude uses a "muscle developer" machine in 1932. This looks potentially fun, potentially like an evil government plot to get kids fit on playground equipment.
Image by Hulton Archive / Getty Images