godan verb (-su), transitive verb
massage; knead out stiffness
Specifically implies massaging to relieve tension or stiffness, often by kneading and loosening muscles.
肩を揉みほぐしてもらったら、すごく楽になった。
After having my shoulders massaged, I felt much better.
疲れた足を揉みほぐすと、血行
Massaging tired legs improves circulation.