The more time you spend sitting the more contracted your iliopsoas—the strongest group of muscles in the hip flexors—becomes. As these muscles shorten, your stride may also shorten ...

There are several risk factors that contribute to this disease. Objective Rectus femoris and iliopsoas contracture is a specific risk factor for the development of OSD in high performance youth ...

Further, hamstring, iliopsoas and quadriceps flexibility measurements are of clinical relevance for monitoring recovery after such injury. Objective Describe normative data of flexibility for the ...