The iliacus and psoas major muscles arise from the pelvis and lumbar ... forward to allow the hip to extend. Maintain upright posture, and slowly slide forward, bringing your hip into extension ...

According to the American Hip Institute, the hip flexors are primarily made up of five muscles: the psoas major, the iliacus ... key role in maintaining proper posture. Strong, balanced hip ...

uq.edu.au Objective In this study, asymmetry relative to the preferred kicking leg was determined if it exists for the psoas and quadratus lumborum muscles among elite Australian Football League (AFL) ...