Cupping therapy is popular among many gym-goers and athletes, but the evidence for its benefits is mixed. What is cupping therapy Cupping therapy involves placing cups on the skin to create suction. This may be done with heat (fire cupping) or a mechanical pump. The suction temporarily lifts the skin and underlying tissue. Potential benefits for people who work out Some gym enthusiasts report that cupping helps with: Reduced muscle soreness after intense workouts. Temporary relief from muscle tightness. Improved range of motion in certain areas. A feeling of relaxation and recovery. However, research suggests that while cupping may help some people with short-term pain relief, there is limited high-quality evidence that it improves muscle growth, strength, athletic performance, or recovery beyond other recovery methods.