Massage Guns Are a Fitness Staple—but Do They Actually Deliver?

You’d be hard-pressed to walk into a gym without seeing someone trying to fix their sore muscles. One guy’s foam rolling his calves like his life depends on it, someone else is aggressively stretching their shoulders with a resistance band, and in the back, yep, that’s a guy mid-cold plunge looking like he regrets all of his life choices. 

From high-tech massage tools to compression boots that look like they belong in a sci-fi movie, the recovery market is overflowing with gadgets that promise...