SI joint pain is an ache low on one side of your back, often near the top of the buttock, that comes from the sacroiliac joint where your spine meets your pelvis, and SI joint massage works on the muscles around that joint to ease tightness, though it doesn’t move or realign the joint itself. The SI joint is the quiet hinge between your spine and your legs, and it only gets attention when it squeaks.
Because massage is only one piece of the puzzle, this post also covers who to see for what, and a local provider can bring myofascial release therapy, a physical therapist, a chiropractor or an osteopath to your home through Blys.
What Is SI Joint Pain?
SI joint pain is pain that comes from the sacroiliac joint or the tissue around it, and it usually shows up low on one side of the back. Knowing where the joint sits and what it does makes the pain much easier to describe.
Where Is the Sacroiliac Joint?
The sacroiliac joint, or SI joint, is the joint on each side of your lower back where the base of your spine, called the sacrum, meets the large bones of your pelvis. You have two, one on the left and one on the right, and you can usually feel the area as the two small dimples at the top of your buttocks.
What Does the SI Joint Do?
The SI joint passes the load between your spine and your legs every time you walk, climb stairs or stand up, and it moves only a tiny amount. Strong ligaments hold it steady, and the muscles around it, including the glutes, the deep hip muscles and the lower back, help share the work. Getting out of the car shouldn’t feel like a trust fall, and when it does, this joint is a common suspect.
Why Does Sacroiliac Joint Pain Start?
Sacroiliac joint pain starts when the joint takes too much load, gets strained or comes under stress, and a few everyday things do most of the damage. The table sums up the usual suspects and what each one asks of the joint and the muscles around it.
| Common cause | What it asks of the SI joint and nearby muscles |
| Long hours of sitting | Keeps the pelvis and hips in one position, often unevenly |
| Standing or walking with weight on one leg | Loads one SI joint more than the other |
| A fall, a slip or a sudden twist | Strains the joint or the ligaments around it |
| Running, stairs or lots of single-leg exercise | Asks the joint to absorb load again and again |
| Pregnancy and the months after | Changes how the pelvis carries weight, and your doctor or midwife can advise |
| Tight hips or weak glutes | Leaves the joint and its neighbors to share an uneven load |
How SI Joint Pain Feels
SI joint pain usually feels like a dull or sharp ache low on one side of the back, close to the dimple at the top of the buttock. It can spread into the buttock, the hip, the groin or the back of the thigh. Rolling over in bed shouldn’t need a plan, and with an irritated SI joint it often does.
Common Triggers
SI joint pain often shows up with the first step out of a car, on stairs, when you stand on one leg, when you roll over in bed and after sitting for a long time. Many people notice it most on one side only, and the pain often eases a little when they change position.
Is It the SI Joint or Something Else?
Several things can cause pain in the same area, including buttock pain from the piriformis, so a quick comparison gives you the right words for your doctor. Only a doctor, physical therapist or other trained provider can say what’s behind your pain, but the table shows the differences people most often describe.
| Possible source | Where it’s felt | What it usually feels like | What makes it worse |
| SI joint | Low on one side, near the dimple at the top of the buttock | An ache or sharp pain, sometimes spreading to the hip or thigh | Stairs, standing on one leg, rolling over in bed, getting out of a car |
| QL muscle | One side of the lower back, above the hip bone | A deep ache with a tender spot | Standing up, side bending, long sitting or standing |
| Piriformis | The middle of one buttock | A deep ache, sometimes down the back of the thigh | Long sitting, stairs, running |
| Lower back disc or nerve | The lower back, often down the leg | Sharp, burning or shooting pain, sometimes with numbness | Bending forward, coughing, sneezing, lifting |
| Hip joint | The groin or the front of the hip | A deep ache or sharp pain | Walking, twisting, getting in and out of a car |
Why Getting It Checked First Matters
The right plan depends on the cause, and a muscle problem, a joint problem and a nerve problem can feel alike but need different approaches. A doctor or physical therapist can examine you and tell you which is most likely, which keeps you from treating the wrong thing. The QL muscle and one sided lower back pain suits pain that sits a little higher, and a doctor can rule out the lookalikes.
Red Flags: When to Call a Doctor or 911
Most SI joint pain isn’t serious, but a few signs mean a doctor comes first, and this is the part most massage posts skip.
Call 911 for These Signs
Call 911 if back or pelvic pain comes with chest pain, shortness of breath, feeling faint, sudden severe pain, or loss of control of your bladder or bowels. Don’t arrange a massage and don’t wait it out, because these signs need emergency care.
See a Doctor Before Any Massage for These Signs
See a doctor before any massage if your pain comes with numbness around your groin or inner thighs, new weakness in your leg or foot, a fever, or swelling or redness over the area. Also see one if the pain follows a fall or accident, if it keeps getting worse or wakes you at night, if you have long morning stiffness or other swollen joints, or if you’ve lost weight without trying.
What This Page Is and Isn’t
This page is general information about SI joint pain and massage, and it isn’t medical advice. It doesn’t diagnose the cause of your pain, and it doesn’t claim that massage moves, realigns or fixes the joint. Massage suits muscle tightness once a doctor has ruled out anything else, so check with your doctor first if you have any red flag or any doubt.
Who Should You See for SI Joint Pain?
Each provider does something different, and the best plan often involves more than one, so the table sets out who does what. Approaches vary from one provider to the next, and your doctor is always the first stop.
| Provider | What they do | Good to ask about |
| Doctor | Diagnose, rule out other causes, order imaging and referrals | What’s causing the pain and what’s safe for you |
| Physical therapist | Assess how you move, set exercises and strengthening, use hands-on techniques | An exercise plan for your pelvis, hips and core |
| Chiropractor | Assess the spine and pelvis and use hands-on, joint-focused techniques | What they do for the SI joint and what they advise afterward |
| Osteopath | Use hands-on techniques on muscles and joints and give movement advice | A whole-body view of your pelvis, hips and back |
| Massage therapist | Work on the soft tissue around the joint | Easing tight glutes, hips and lower back |
The Physical Therapist: Exercise and Movement
A mobile physical therapy visit is a common first stop for SI joint pain: a physical therapist assesses how your pelvis, hips and back move and builds an exercise plan around what they find. They may also use hands-on techniques, and they can do all of it at your home.
The Chiropractor
A mobile chiropractor visit starts with an assessment of your spine, pelvis and hips, and your chiropractor uses hands-on, joint-focused techniques. Ask what they would do for your SI joint, what you can expect afterward and how it fits with the rest of your care.
The Osteopath
A mobile osteopathy session takes a whole-body view of how your pelvis, hips and back work together, using hands-on techniques on muscles and joints plus movement advice. Ask your osteopath how they’d approach your SI joint and what to do between visits.
Do You Need More Than One?
Many people use more than one provider, with each doing a different job, and your doctor can help you work out a sensible mix. A physical therapist might set exercises, a chiropractor or osteopath might work on the joints and a massage therapist might ease the tight muscles around the joint. Tell each provider what the others are doing, so everyone works from the same plan.
Questions to Ask Each Provider
Ask each provider five things before you start:
- What do you think is causing my pain?
- What will you do in the first session?
- How many sessions do you expect I’ll need?
- What should I avoid doing between sessions?
- How does your work fit with my other providers?
What Massage Can Do for the Muscles Around the SI Joint
Massage for SI joint pain works on the muscles around the joint, and it’s the housekeeper and not the contractor: it tidies the room and doesn’t move the walls.
Can Massage Help SI Joint Pain?
Massage can ease tight muscles in the glutes, lower back and hips around the SI joint, but it doesn’t move, realign or fix the joint itself, and a doctor or physical therapist should check anything beyond muscle tightness. SI joint pain relief usually involves more than one thing, and massage is one part of it. No session can promise to change what your joint is doing.
Myofascial Release Around the Pelvis
Myofascial release therapy uses slow, gentle pressure on the connective tissue around the muscles, and it suits tight, restricted-feeling hips and lower back. It feels more like a patient stretch than a rub, and your therapist works around the joint and the surrounding tissue and not on the bone itself. Your therapist usually covers the glutes, the deep hip muscles, the lower back and the muscles at the front of the hip, since they all share the load.
What About the Joint Itself?
Massage works on the muscles around the SI joint, and other providers work on the joint with their own methods, so ask them what they do and why. A physical therapist, a chiropractor or an osteopath can each assess the joint and the way you move, and they’re the right people to ask about the joint itself.
What Happens in a Massage Session for SI Joint Pain
An SI joint massage session is calmer and slower than most people expect, and it follows a predictable order.
Before the Session: The Conversation
Your therapist asks where it aches, which movements set it off, how long you sit each day and anything your doctor or other providers have said. Say if you’ve had any red flag signs from the section above. Your answers decide how your therapist works and how firmly.
During the Session: Positions and Pressure
You usually lie on your side or face down with a pillow under your hips, and your therapist works on the glutes, lower back and hips with their hands, forearm or elbow. Please keep your underwear on and lie under a sheet or a towel, and your therapist uncovers only the area they’re working on. Expect steady pressure that feels like a deep ache at the sore spot, never a sharp or frightening pain, and speak up if it’s too much.
After the Session: What to Do Next
Some people feel a little tender the next day, like after a new workout, and some feel looser right away. Move gently, keep to your normal routine and tell your therapist or doctor if the pain gets sharper or spreads. A short walk beats a long sit.
How Often Do People Get Massage for SI Joint Pain?
Your doctor, your physical therapist and your massage therapist decide how often makes sense, and it depends on how long the pain has been there and what keeps feeding it. On Blys you can set sessions to repeat and ask for the same provider each time, so the person arriving already knows your hips, your habits and what worked last time.
Habits and Exercises Between Visits
What you do between visits matters as much as the visits, and none of it needs a gadget.
Sitting, Standing and Carrying Habits
Sit with your weight even on both sides, stand with your weight even on both feet and swap which hip you rest on. Carry bags on both shoulders or alternate sides, and avoid standing on one leg while you wait for the microwave. Stand up and walk for a minute every so often, since long stretches in one position keep the pelvis stiff, and if your pain also reaches into the lower back, the best type of massage for lower back pain depends on the cause.
Sleeping and Getting Out of Bed
Sleeping on your side with a pillow between your knees, or on your back with a pillow under your knees, are common suggestions, and a physical therapist can advise on what suits you. Rolling over in bed can set off SI joint pain, so move slowly and keep your knees together as you turn.
Exercises to Ask a Physical Therapist About
A physical therapist can show you strengthening and mobility exercises for the glutes, the core and the hips that suit your pain. Exercises should feel like effort and never like a sharp pain, and the right ones depend on you, so a quick session with a physical therapist beats a video from the internet.
Getting Massage, PT, Chiro or Osteo at Home With Blys
Blys lists massage, physical therapy, chiropractic and osteopathy, so you can arrange the right provider to come to your home. One platform, four kinds of providers and no parking lot.
Why Home Works for SI Joint Pain
When stairs, long sits and getting out of a car are what set your pain off, a trip to a clinic and back asks your SI joint to do all three. A session at home means you stay in your own space and can lie down on your own couch afterward. Bookings run from 6 am to midnight, seven days a week, so an evening session after work fits around a late finish.
What to Expect When Your Provider Arrives
Your provider brings what they need, and for a massage that means the table, fresh linen, towels and massage oil or lotion, with about 6.5 x 6.5 feet of floor to clear. You’re not charged until a provider confirms your booking, and same-day times depend on availability. A quiet room and a sturdy chair nearby are all the space you need.
What to Put in Your Booking Notes
Put where the pain sits, which movements set it off, how many hours a day you sit and the service or provider you’d like in your booking notes. Add anything your doctor or other providers have told you, so your provider arrives knowing what to focus on and what to avoid.
Once your doctor has seen your pelvis and back, a session at home is an easy way to look after the muscles and the movement, and the car keys can stay on the hook.
Sore Pelvis? Skip the Car: Arrange Massage or Physical Therapy at Home →
People Also Ask: SI Joint Pain and Massage
These are the questions people type into search once the base of their back starts complaining.
Can SI joint pain cause hip pain?
It can, because SI joint pain can spread into the buttock, the hip, the groin and the back of the thigh. The hip joint itself can also cause pain in that area, so a doctor or physical therapist can tell you which one is behind yours.
What should I avoid with SI joint pain?
Many people find long sitting, standing on one leg, deep twisting and a lopsided load make it worse, but it varies from person to person. Ask your doctor or physical therapist what to avoid for your situation, and ease back from anything that sharpens the pain.
Why does my SI joint hurt after a car ride?
A car seat keeps your hips bent and your pelvis in one position, and the first movements out of the car then load the joint and the muscles around it. Taking breaks to stand and move on long drives and swapping your wallet out of your back pocket can help take the pressure off.
Does a belt help SI joint pain?
Some people use a pelvic support belt, and a physical therapist can tell you whether one suits you and how to wear it. A belt is a tool and not a fix, and it works best alongside the exercises and habits your provider recommends.
Is heat or ice better for SI joint pain?
Many people find heat comfortable on tight muscles, and some prefer ice, and either can be a reasonable thing to try for comfort. Ask your doctor or physical therapist what suits you, and don’t use either on skin that’s numb or injured.
How long does SI joint pain last?
It depends on what caused it and how long it’s been building, and mild irritation can settle when you ease the habits feeding it. See a doctor if it isn’t improving, keeps coming back or comes with any red flag sign.
