Apple TV+’s dark new comedy “Physical” delivers on exactly what the title suggests: campy 1980s aerobics à la Olivia Newton-John, complete with legwarmers, highly puffed-up hairstyles and even higher-cut leotards. The show follows Sheila, played by Rose Byrne, a downtrodden wife and mother who finds a passion for teaching aerobics. The woman behind Byrne’s hip […]