This roller is designed for self-massaging after sports. Give your muscles a deep massage using your own body weight. What's the 500 HARD foam massage roller for? It provides a deep massage of your muscles using your body weight.Its hard, structured foam provides a deep, intense massage.The massage helps relax the muscles and promotes recovery.For greater comfort, or to begin with roller self-massages, see also in the same range the massage roller 100 SOFT (smooth foam of medium hardness) How to use the foam roller? Designed to be used after sport, the massage roller allows you to massage yourself.You can massage yourself right after your outing, in the evening, or even the following day, ideally spending about 5 minutes on each muscle group.Feel free to watch our videos that show you how to use the product on the different muscles being massaged.For greater comfort, or to begin with roller self-massages, see also in the same range the massage roller 100 SOFT (smooth foam of medium hardness) Precautions for use: For adults only. When using a massage roller for the first few times, it is common to feel some pain or experience some bruising. If the pain is intense and lasts a long time, consult your doctor.As to the bruising, it's only due to small blood vessels on the surface: don't worry, this phenomenon will stop as you carry on using the roller. Dimensions Diameter: 125 mmLength: 380 mm How to optimize my recovery For optimal recovery after sports, do not hesitate to use a recovery drink, protein bars, a massage ball (ideal to relax trigger points), compression or electrostimulation in addition to your massage roller (foam roller) Need to relax your muscles after sport? calves thighs back... This hard roll is perfect for intense self-massaging. Versatility For several areas. Perfect for back, thighs and calves massages. Ease of use Allows self-massages.For use on the floor Anatomic design Hard, structural foam for deep, intense massage. This roller is designed for self-massaging after sports. Give your muscles a deep massage using your own body weight.