Healthy hips come down to a simple formula: keep them strong, keep them mobile, and keep them loaded properly throughout the day. Your hip is a ball-and-socket joint where the rounded top of your thighbone sits inside a cup-shaped socket in your pelvis. Cartilage lines both surfaces, acting as both a gliding layer and a shock absorber. When that cartilage stays thick, the surrounding muscles stay strong, and the joint moves through its full range regularly, hips can function well for decades.
Why Sitting Is Your Hip’s Biggest Enemy
When you sit, your hip is bent to roughly 90 degrees, which holds the muscles at the front of your hip in a shortened, slack position for hours at a time. Over weeks and months, this chronic understretch causes the muscle fibers to physically shorten and the surrounding connective tissue to stiffen. The result is a measurable loss of hip extension, meaning your leg can no longer swing fully behind you when you walk or run.
That lost extension doesn’t stay contained to the hip. It tilts your pelvis forward, changes the curve of your lower back, and increases spinal loading. People who sit for long stretches often develop low back pain or knee problems without realizing the root cause is hip stiffness. The fix isn’t complicated: stand and move for a few minutes every 30 to 45 minutes, and prioritize hip flexor stretches (like a half-kneeling lunge stretch) at least once a day if you work at a desk.
Internal Rotation Matters More Than You Think
Most people think about hip flexibility in terms of touching their toes or doing a split. But the movement that predicts injury risk most reliably is internal rotation, the ability to twist your thighbone inward within the socket. Athletes with less than 30 degrees of internal rotation are more than twice as likely to suffer lower-body injuries. Even more striking, a 30-degree reduction in hip internal rotation increases the odds of an ACL tear by over four times in the same leg and over five times in the opposite leg.
When internal rotation is restricted, your body compensates. Your lower back picks up extra work, your knees collapse inward, or your feet flatten out. These compensations accumulate quietly and can cause pain in places that seem completely unrelated to your hips. They also pull the pelvis out of alignment, which places extra tension on the pelvic floor muscles.
To test your internal rotation, sit on a chair with your knees bent at 90 degrees and let one foot swing outward (this rotates the thighbone inward). If you can only move a few degrees before feeling a hard stop, targeted stretching and strengthening can help. The goal is both creating new range and building the muscle control to use it. A physical therapist can identify whether your restriction comes from tight soft tissue or the bone structure itself, which determines what’s improvable.
Strengthen the Muscles That Stabilize Your Hips
The muscles on the side of your hip, particularly the one that fans out from your pelvis to the top of your thighbone, are responsible for keeping your pelvis level every time you take a step. When these lateral stabilizers are weak, the pelvis drops on the opposite side during walking and running, grinding cartilage unevenly and straining the joint over time. Strengthening them is one of the most effective things you can do for long-term hip health.
Two exercises cover the essentials:
- Glute bridges: Lie on your back with knees bent, feet hip-width apart. Press evenly through your feet and lift your hips toward the ceiling, keeping your pelvis neutral. Lower slowly until your hips hover just above the floor, then press back up. Two sets of 12 to 15 repetitions builds a solid foundation.
- Banded squats: Place a loop resistance band just above your knees. Stand tall with feet hip-width apart, then hinge your hips back as though sitting in a chair. Keep your knees pushing outward against the band throughout the movement. Two sets of 12 to 15 repetitions. The band forces the lateral hip muscles to fire harder than in a regular squat.
Side-lying leg raises and lateral band walks are also excellent choices once the basics feel easy. The key principle is to train the hip in all directions, not just forward and backward. Your hip socket allows movement in every plane, and the muscles around it need to be strong in every plane too.
Weight-Bearing Exercise Protects Your Bones
The thighbone’s neck, the angled section just below the ball, is one of the most common fracture sites in older adults. Bone density in this area responds directly to mechanical loading. Weight-bearing aerobic activities like walking, dancing, stair climbing, and low-impact aerobics work directly on the bones of the legs, hips, and lower spine to slow bone loss.
Resistance training adds another layer of protection. Using free weights, resistance bands, or your own body weight strengthens not just muscles but the tendons and bones they attach to. For most people, one set of 12 to 15 repetitions per exercise is enough to stimulate bone adaptation. The combination of weight-bearing cardio and regular strength training is the most effective non-pharmaceutical strategy for maintaining bone density in the hip as you age. Starting in your 30s or 40s builds a larger reserve to draw from later.
Feed Your Cartilage and Connective Tissue
Cartilage doesn’t have its own blood supply. It gets nutrients from the synovial fluid that bathes the joint, which is one reason movement itself is so important for cartilage health. But the raw materials matter too.
Collagen makes up your tendons, ligaments, and much of your bone matrix. Building it requires two amino acids in particular: glycine and proline. People who supplement with collagen show a decrease in osteoarthritis symptoms like joint pain and restricted movement. Research from UC Davis found that combining whey protein with hydrolyzed collagen is especially effective because whey provides leucine (which drives protein synthesis) along with additional proline, while the collagen supplies a concentrated dose of glycine.
Omega-3 fatty acids from fish oil play a supporting role by reducing inflammation in the joint, which may improve collagen turnover. Beyond supplements, a diet rich in fish, eggs, bone broth, citrus fruits (vitamin C is essential for collagen synthesis), and leafy greens gives your joints the building blocks they need. Maintaining a healthy body weight reduces the compressive load on hip cartilage with every step, which is arguably the single most impactful nutritional strategy for joint longevity.
How You Sleep Affects Your Hips
Side sleeping without support lets your top leg drop forward and down, rotating the pelvis and compressing the hip you’re lying on. A simple fix makes a significant difference: place a pillow between your legs. Drawing your knees up slightly toward your chest and keeping a pillow between them aligns your spine, pelvis, and hips, taking pressure off all three. A full-length body pillow works well if you tend to shift positions throughout the night.
If you sleep on your stomach, the hip flexors stay shortened all night, compounding the same problem that sitting creates during the day. Placing a pillow under your hips and lower stomach reduces the extension strain on your lower back and keeps the pelvis in a more neutral position. Back sleeping is generally the most joint-friendly option, with a pillow under your knees to prevent the lower back from arching excessively.
A Simple Daily Routine for Hip Health
You don’t need an hour-long program. A sustainable hip maintenance routine takes about 10 to 15 minutes and hits three categories: mobility, activation, and loading.
- Mobility (3 to 5 minutes): Hip flexor stretch (half-kneeling, 30 seconds per side), 90/90 hip switches for internal and external rotation, and deep squat holds.
- Activation (3 to 5 minutes): Glute bridges and side-lying leg raises, two sets of 12 to 15 reps each. These wake up muscles that prolonged sitting shuts down.
- Loading (throughout the week): Walk daily. Add banded squats, lunges, or step-ups two to three times per week. Include at least one session of moderate resistance training targeting the lower body.
Consistency matters far more than intensity. Hips deteriorate gradually through years of stiffness, weakness, and poor alignment. They recover the same way, through small, repeated investments in movement that add up over months and years.