NCIt definition : A combination of two muscles found in the thigh, the iliacus and the psoas major,
which have different sites of origin but a common insertion on the lesser trochanter
of the femur.;
Alternative definition : CDISC: A combination of two muscles found in the thigh, the iliacus and the psoas
major, which have different sites of origin but a common insertion on the lesser trochanter
of the femur; primary function is flexion of the hip.;