3 Simple, Effective Exercises to Ease Tight Hip Flexors and Improve Your Mechanics, Straight From a Physical Therapist

Tight hip flexors are (almost) as ubiquitous as smartwatches: Nearly every runner’s got them.But unlike smartwatches, tight hip flexors offer pretty much zero benefit. In fact, they often do the opposite, triggering a slew of issues that sabotage your stride and up your chances of nagging pain.Why are tight hip flexors such a common issue? Much of it has to do with how runners spend their time when they’re not, well, running. For many of us, that involves spending hours working at a desk.The combination of runner plus desk job worker is “particularly brutal,” Emmi Aguillard, PT, DPT, a New York City-based physical therapist who treats and trains runners, tells Runner’s World. That’s because many people run hard in the morning, skip over post-exercise mobility work, and then plop into a chair for the rest of the day. Or, they spend all day sitting and then head out for a run without doing any mobility work or warmup activation drills beforehand.In either scenario, the consequences are real. When you bypass mobility work after running, the metabolic byproducts of exercise—which include lactic acid, plus other types—don’t get flushed out from your muscles and joints, and that buildup can lead to stiffness in the areas you just worked with running, including the hip flexors, Aguillard explains.Then, when sitting for long chunks of time, you hold your hip flexors in a shortened position, which tightens them up even more. And if you have a stressful job? Chances are, you’re reflexively tensing your body throughout the day, which further tightens up the hip flexors, Aguillard says.Unfortunately, the story doesn’t end there. A cascade of other problems can crop up when the hip flexors get tight. For starters, tight hip flexors pull your pelvis forward, which stunts hip extension (the ability to bring your leg behind you). “When you have limited hip extension, you’re not able to fully engage your glute because that muscle is limited in the range of motion,” Aguillard says.Limited hip extension, in combination with other factors, can contribute to glute weakness, she explains. Then, when your glutes are weak and not doing their job of powering your push-off, your stride naturally shortens and your hip flexors pick up some of the slack to keep you moving forward. This causes the hip flexors to get overworked… which then leads to additional feelings of tension.SIGNS OF WEAK GLUTESSimilarly, when you go straight from your desk to a run without a proper warmup, your hip flexors are already fired up, because you’ve been activating them all day by sitting down, and your glutes are turned off, because they’ve been squished in your chair for hours, Aguillard explains. So, when you start running, your body automatically favors your hip flexors over the glutes, which causes the hip flexors to take on more work and ultimately tighten up.Hip flexor tightness can also contribute to lower back pain, Aguillard adds. When your pelvis gets pulled forward by tight hip flexors, you compensate by arching your back to stand more upright, which leads to strain there. And they can contribute to groin issues too, she adds.Then there are the core consequences: When tight hip flexors rotate your pelvis forward, your ab muscles get over-lengthened, which makes it harder for you to optimally engage your core because of the alignment of your pelvis and rib cage. And when your body is not getting as much stabilization from the core as it should, your hip flexors can take on some of that work, which—you guessed it—can overwork them and lead to even more tightness.All of these consequences of tight hip flexors also make you super inefficient on the run, slowing you down! You can’t get the power and force production from your glutes, your hip flexors tire easily, and your core can’t offer stabilization for sufficient energy transfer.3 Exercises to Ease Tight Hip Flexors Tight flexors can feel like a vortex of never-ending problems, but a few simple solutions will help you find relief and keep your stride running smoothly.One: Spend less time sitting. Of course, this can be easier said than done, which is why Aguillard highly recommends getting a standing desk and alternating between standing and sitting throughout the day. She calls this a “low-hanging fruit” approach to improve hip flexor tightness.Not only does regularly alternating positions prevent your hip flexors from tightening up, but when you’re standing, it’s easier to get into a lunge position or do hip circles or hip CARS—all of which keep the hips mobile and promote recovery after a run.The second solution: Incorporate hip flexor stretches in your routine. The below exercises, recommended by Aguillard, offer a great starting point. Just make sure to keep the stretches feeling gentle. Avoid stretching to the point of pain, as it risks creating microtears in your muscles, Aguillard warns. 1. Half-Kneeling Dynamic Hip Flexor StretchWhy it works: This stretch really loosens up the hip flexors by mobilizing your pelvis in all three planes of motion; it also delivers bonus mobility work to your midback with the overhead and rotational reaches.How to do it:Start in a half-kneeling position with right knee and left foot on the ground. Place a pillow or exercise pad under right knee for comfort, if needed. Both knees should bend 90 degrees. Tuck pelvis slightly forward and engage core. (Don’t arch back and let hips drift forward, but instead pull them back slightly as you brace abs.) Gently shift weight forward to feel a stretch at the front of right hip, then gently shift back. Repeat for 5 reps, rocking back and forth. Now add an overhead reach: Reach arms overhead and then out to one side as you shift weight forward.Then bring arms back overhead as you shift weight back. Do 5 reps to one side, then 5 reps to the other side.Now do a torso rotation: Rotate torso to one side as you shift weight forward. Then bring torso back to center as you shift weight back. Do 5 reps rotating to one side, then 5 reps to the other side. Switch sides and repeat the full sequence. 2. Forward Lunge With Front, Side, and Rotating ReachWhy it works: This move is a more dynamic variation of the classic lunging hip flexor stretch, and it lengthens your hip flexors while also opening up your midback. You should feel the stretch in your hip flexors on your back leg.How to do it: Stand tall with feet hip-width apart, core engaged. Step forward several feet with left foot and bend left knee to sink into a half lunge. Lean torso forward to place hands on the ground. Pause, then lift your torso up and reach overhead. Now slowly reach arms to one side as you tip torso sideways. Repeat side bend to other side.Now, bring arms down to shoulder height in front of you and slowly rotate torso to one side, keeping hips square to the front. Repeat on the other side. Repeat entire sequence for 5 reps.Switch legs and repeat from the top. 3. Forward Lunge to Backward Hamstring Stretch Why it works: This combo move stretches the hip flexors, as well as the hamstrings—another muscle group that tends to tighten up from long periods of sitting.How to do it:Stand tall with feet hip-width apart, core engaged. Step left foot forward and bend knee slightly to sink into a half lunge as you raise arms overhead. You should feel a stretch in left hip flexors. Pause here.Now step left foot behind body slightly and shift hips back as you bend your right knee and lower torso down until it’s about parallel to the floor. You should feel a stretch in right hamstrings. Pause here.Repeat sequence for 5 reps.Switch sides and repeat from the top.Tips to Maximize the Effectiveness of These StretchesYou can do these stretches before and after running, or at really any time of the day.When incorporating them into a warmup, Aguillard recommends first spending two to three minutes slowly foam rolling your quads. This boosts blood flow and warms up your muscle tissue, helping increase the effectiveness of subsequent stretches.Then, after you’ve completed the stretches, Aguillard recommends doing a few glute activation drills to help wake up these muscles and connect your brain to them so you’re more inclined to use them when you run. This will make your stride more efficient, while also reducing the chances of your hip flexors getting overworked (and tightening up in response).When doing these moves as part of a postrun cooldown, you can perform them as dynamic stretches (the way they’re demonstrated above) or you can hold the end range positions for 15 to 30 seconds to make them more static stretches.Then, follow it up with foam rolling, Aguillard says. Foam rolling after a run helps wring out your muscles like you would a dirty sponge, promoting recovery (at least in the short term), and reduces your chances of tissue restrictions, she explains. If, during your rolling, you find a knot or trigger point, hold the roller there for a minute or so to help loosen the area, she adds.If you don’t have time to foam roll immediately after your run, you can do it later in the day, Aguillard says.When to See a PT About Hip Flexor TightnessSometimes, tight hip flexors need more attention than at-home stretching. Aguillard suggests seeing a physical therapist if your hip flexor tightness causes pain that gets worse as you run, pain that alters your gait, and/or pain with running that’s greater than a 3 out of 10 and doesn’t improve after 48 hours of rest.Jenny is a Boulder, Colorado-based health and fitness journalist. She’s been freelancing for Runner’s World since 2015 and especially loves to write human interest profiles, in-depth service pieces and stories that explore the intersection of exercise and mental health. Her work has also been published by SELF, Men’s Journal, and Condé Nast Traveler, among other outlets. When she’s not running or writing, Jenny enjoys coaching youth swimming, rereading Harry Potter, and buying too many houseplants.