>>76795150
>The most common causes include:

>Plyometric exercises (also called the stretch-shortening cycle or jump training), which use a series of explosive bodyweight resistance movements, such as jumping in place, box drills, kettlebell swings, and crunches
>Exercise that involves repeated hip flexion, such as squats, lunges, mountain climbers, and kettlebell swings
https://www.webmd.com/back-pain/what-is-psoas-major-function