Physical degeneration, long - term standing work, repetitive work, being overweight, and frequent running and other sports can cause strain on the fascia and tendon tissues, leading to redness, heat, and pain. This results in redness and pain in the soft tissues, stabbing pain in the soles of the feet when walking, and severe pain from strain in the shoulders and elbows. If left untreated, it may affect mobility. For product details, please refer to the instructions on the packaging. The pictures are for reference only, and everything shall be subject to the actual product.