Iliopsoas–a tricky muscle

Many of you know that every muscle has an opposing muscle that does the exact opposite. The iliopsoas (pronounced ill-ee-oh-so-as) is your glute's opposing muscle. Technically, it is a few muscles, the psoas and the iliacus, but you pretty much can never use one without using the other, so they really work as a unit. … Continue reading Iliopsoas–a tricky muscle