I start warming up for a workout and grimace, a lunge stretch kindly reminding me that my last gym session annihilated my legs. So I pause my warmup and start walloping my leg muscles with 40 pounds of force. Not with my own hands, though -- I let a Theragun do the work. Almost instantly, I feel great. 

Continue reading at: https://www.cnet.com/news/theragun-review-this-high-end-percussive-massage-gun-is-not-the-end-all-be-all/