Editor’s note: This story first appeared in the December 23, 1968, issue of New York. It was also featured in Reread, New York’s subscriber-only archives newsletter. Click here to read the newsletter ...

Think jumping is only for the young? Science proves that strategic, low-impact plyometrics are the secret to maintaining bone ...

I’ve been told by a reliable source (my husband) that: “We all want ups.” After conversations with multiple fitness experts and a scroll through TikTok—where videos with the hashtag #verticaljump have ...

Jump squats are one of the most efficient ways for guys to turn their lower-body strength into real athletic power. They train your legs to produce force quickly, which shows up when you sprint, jump, ...