A recent paper on using shockwave for degenerative meniscus tears shows significant changes in the meniscus that you can actually observe on an MRI due to the use of shockwave. This study reported that “ESWT improved the condition of the meniscus by reorganizing collagen and reducing swelling”. They also reported that “Patients felt significant pain relief within just three weeks of starting treatment”. They also said, “No serious side effects were reported, and the treatment was well tolerated by all patients.