A percussion massager for knee pain delivers targeted, rapid pulses of pressure deep into the muscle tissues surrounding the knee joint. This high frequency, repetitive motion is highly effective at breaking up muscle knots (trigger points), alleviating tension in the quadriceps, hamstrings, and IT band that can contribute to knee pain. The deep penetration helps to increase blood flow significantly, reducing inflammation and promoting the delivery of oxygen to sore tissues. For knee pain stemming from muscular imbalances, overuse, or conditions like runner's knee, this targeted percussion therapy can provide substantial relief. However, it must be used with caution; the applicator should never be used directly on the bony knee cap or the popliteal area (back of the knee). Instead, it is focused on the muscle bellies above and below the joint. Many models offer adjustable speed and attachable heads, allowing users to customize the intensity for a safe and effective treatment.