These hip flexor stretches open up the fronts of the hips and can be used as a preparation for front to back splits. Bent knee hip stretches can be used to focus on rectus fermoris.
Kneeling Hip Flexor Stretch Video - Release Your Hip Exercise
Tutorial: How to Perform the Kneeling Hip Flexor Stretch
6 Hip Flexor Stretches That Will Make Your Next Leg Day More Effective - Nourish, Move, Love
7 Exercises to Prevent and Relieve Hip Flexor Pain
AT HOME EXERCISES: Standing Hip Flexor Stretch - PHYXIT Physio and Injury Clinic
How to Perform Hip Flexor Stretches: 10 Steps (with Pictures)
How to Guide on Stretching Hip Flexors - Vive Health
3 Hip-Flexor Stretches for Mobility
How to Stretch Hip Flexors - Your Step by Step Hip Flexor Pilates Stretch Guide with Video! - Complete Pilates
Proper Pelvic Position for Hip Flexor Stretches — Dani Winks