One of the best stretches for tight hip flexors ... The primary muscles include the psoas (major and minor) and iliacus, known collectively as the iliopsoas. Without them, you’d be unable ...

The iliopsoas comprises the joined iliacus and psoas muscles. These hip muscles are the main muscles that help the hip to flex. A person can stretch these muscles, which often become stiff with ...

A shortened iliacus can also result from skipping out on stretching after strength training or, you guessed it, running. It’s important to keep the muscle both strong and supple – especially ...

the iliacus, the rectus femoris, the pectineus, and the sartorius. Together, these muscles support a wide range of movement. If you don’t strengthen or stretch them properly, they can become ...