There is so much to Arnica than which is. This device is 26" long, 11" wide in the widest curve and 9" wide at the smallest challenge. Tissue like muscles, fascia, bursas, nerves, capsules (wraps concerning the joint - encapsulates) and bone. Succeeds for others may perform for someone. https://Penzu.com/p/f28a4c1748c28fcf