Stroke survivors often experience complications such as joint swelling and stiffness, particularly in the knees, due to reduced mobility or muscle weakness. The Red Light 360 Roller Massager Stick therapy offers a non-invasive approach to manage these symptoms by promoting blood circulation and muscle relaxation. Red light therapy stimulates cellular repair through photobiomodulation, which enhances tissue healing and reduces inflammation. Complementing this with cryotherapy — the application of cold therapy — can help further decrease swelling and numb pain in the affected knee. Cryotherapy works by constricting blood vessels, reducing blood flow to the inflamed area, and slowing nerve activity, thereby alleviating discomfort. Consistent use of these therapies can improve joint flexibility and accelerate rehabilitation after a mild stroke. To maximize benefits, it is advisable to follow recommended usage durations and consult healthcare professionals to tailor the treatments to individual needs. The term "Dat Massage" mentioned in the OCR text suggests a specialized massage technique that might be integrated with these therapies to enhance muscle relaxation and lymphatic drainage. Incorporating massage can support recovery by easing muscle tension and improving overall knee function. In summary, combining Red Light 360 Roller Massager Stick therapy, cryotherapy, and massage techniques provides a holistic approach to managing knee swelling post-stroke. This integrated method aids in pain reduction, improves mobility, and supports the healing process, contributing to better quality of life for stroke patients.