Massage guns deliver rapid bursts of pressure to muscle and connective tissue, a method called percussive therapy. The theory is that this increases blood flow, reduces tissue tension, and helps muscles recover faster after hard training.

The key word there is theory. Research on handheld percussive devices only took off in the past few years, and the findings so far are more mixed than the marketing suggests.

A 2023 systematic review in the Journal of Functional Morphology and Kinesiology concluded that massage guns can improve short-term range of motion, flexibility, and recovery-related outcomes such as stiffness after a fatigue protocol. A meta-analysis of acute effects reached a similar conclusion on flexibility.

One literature review even found handheld percussive devices outperformed foam rolling for increasing lower-limb range of motion, which makes them a legitimate warm-up or cool-down tool when mobility is the goal.

An earlier review of 39 studies found that massage guns improved flexibility and reduced soreness in some trials but did not significantly change muscle activation or force production. The more recent meta-analysis went further: pooling 17 effect sizes, it found no statistically significant reduction in post-exercise soreness (Hedges’ g = 0.14, p = 0.40).

That analysis also found percussive therapy may help countermovement jump recovery and lower creatine kinase levels, but showed no clear benefit for recovering maximal voluntary strength. And a 2023 review specifically advised against using massage guns before strength, balance, agility, or explosive activities.

If you already own one, it’s a reasonable tool for easing tightness and improving mobility after training or before an easy session. Keep treatment brief per muscle group, use it as a comfort and mobility aid, and don’t count on it to erase soreness.

If you’re deciding whether to buy one, the research suggests the real recovery drivers still matter more: sleep, food, total training load, and rest days.