There are five types of hip flexor muscles: the iliacus, pectineus, psoas major, rectus femoris, and sartorius ... Hip flexor pain often happens when you over-stretch or tear these muscles when ...

Background Osgood-Schlatter disease (OSD) of the knee in youth is one of the most frequent of anterior knee pain in athletes. There are several risk factors that contribute to this disease. Objective ...