Form cues
- Keep back leg long
- Sink hips down
- Lift chest
- Square your hips
Exercise
Upper legs, body weight

A flexibility exercise targeting the hip flexors and hamstrings by stepping one leg forward into a deep lunge.
Target: hip flexors. Also works: hamstrings, quadriceps, gluteus maximus.
This one is filed as mobility. It shows in warm-up and cool-down, and in search.
Form cues
Common mistakes
Inhale as you get into position, exhale as you deepen the stretch.
In the app, search for Runner's Stretch and add it to a workout.