- average hardness\n- for pinpoint application, massage of the deeper laying muscles\n- also suitable for massaging the arms, neck and feet\n- use on a table, wall or on the floor\n\nThe BLACKROLL® BALLS with 8 cm and 12 cm in diameter are ideal for targeted self-massages on different areas on your body. The two sizes perfectly complement each other in their respective uses: depending on the effect you want to achieve, you can use the 8 cm BALL for a highly directed massage that zeros in on specific tight spots and the 12 cm BALL for a massage that covers a larger area with less pressure.\n\n„Recommendations for the prevention and treatment of overuse symptoms mainly include active measures such as muscle strengthening, coordination training and coordinative release of tension of muscles, like with a BLACKROLL.“\n\nProf. Dr. Stefan Grau\nSPORTS MEDICINE, TÜBINGEN & UNIVERSITY OF GÖTEBORG\n\n- Noticeably improves the performance potential and flexibility of your muscular system \n- Regulates poor posture and prevents resulting impairments \n- Regenerates muscle groups and improves blood flow \n- Allows you to actively contribute to your fitness and well-being without much effort