Iliopsoas is a derived term of psoas.
In anatomy terms the difference between psoas and iliopsoas
is that psoas is either of two muscles, the psoas major and psoas minor involved in flexion of the trunk while iliopsoas is a compound muscle composed of the iliac and psoas muscles.
psoas
English
Noun
(anatomy) Either of two muscles, the psoas major and psoas minor involved in flexion of the trunk
Derived terms
* iliopsoas
Related terms
* psoitis
iliopsoas
English
Noun
(es)
(anatomy) A compound muscle composed of the iliac and psoas muscles.