How to Do Kneeling Hip Flexor
Start and end of one clean rep of Kneeling Hip Flexor.
Quick facts
| Primary muscle | Quads |
|---|---|
| Secondary muscles | — |
| Equipment | Bodyweight |
| Category | Stretching |
How to perform Kneeling Hip Flexor
- Kneel on a mat and bring your right knee up so the bottom of your foot is on the floor and extend your left leg out behind you so the top of your foot is on the floor.
- Shift your weight forward until you feel a stretch in your hip. Hold for 15 seconds, then repeat for your other side.
Muscles worked
- Quads (primary): extends the knee to drive squats, lunges and jumps.
Sets & reps by goal
| Goal | Sets × reps | Load | Rest |
|---|---|---|---|
| Strength | 3–5 × 3–5 | Heavy (~85%+) | 2–3 min |
| Hypertrophy | 3–4 × 8–12 | Moderate (~65–75%) | 60–90 s |
| Endurance | 2–3 × 15–20 | Lighter (~50–60%) | 30–45 s |
As a mobility drill, hold each position for 20–40 seconds (or move slowly for reps) rather than training it to a heavy load.
Form tips
- Keep the knees tracking in line with the toes and push the whole foot into the floor.
- Own the largest range you can control with clean form before you chase extra reps.
- Ease in until you feel mild tension, never pain, and breathe out as you sink a little deeper.
- Stop a rep or two short of failure on most sets to keep form clean and recover faster.
Common mistakes
- Letting the knees cave inward as you push out of the bottom.
- Cutting the range short to squeeze out extra reps instead of owning each full one.
- Bouncing into the stretch instead of holding it steadily.
Frequently asked questions
What muscles does Kneeling Hip Flexor work?
Kneeling Hip Flexor is a focused movement that primarily works the quads.
What equipment do I need for Kneeling Hip Flexor?
None — Kneeling Hip Flexor is a bodyweight movement, so you only need your bodyweight and a little space.
How many sets and reps should I do for Kneeling Hip Flexor?
It depends on your goal: about 3–5 sets of 3–5 heavy reps for strength, 3–4 sets of 8–12 for muscle growth, or 2–3 sets of 15–20 for endurance. As a mobility drill, hold each position for 20–40 seconds (or move slowly for reps) rather than training it to a heavy load.
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