TODAY’S TOPICS: Why tight hamstrings may be causing pain you’re blaming on something else — and two simple stretches that can help. Plus a video demo.

My return to fitness began with a whimper. My ambition to get back into shape had me on my living room floor, gingerly bouncing in and out of toe touches the way my high school gym teacher taught us in 1978. My range of motion was limited by back pain, and my understanding of how the body worked was just plain limited! My back continued to hurt, and my frustration grew as my flexibility stalled. Another stutter-start.

It wasn't until I learned about long hold passive stretches that I realized my back pain had less to do with my back and more to do with a much larger structural issue - one centered on the hip complex, the region of the body that isn't just a collection of separate parts but a unified system that anchors and drives movement in every direction. The overlapping collection of muscles and connective tissue that makes up the hip complex works in balance, supporting the lumbar spine, pelvis and hip joint - and serving as your center of power and stability.

Over the next several weeks, we’re going to focus on protocols to unlock your hip complex. When these components get out of balance your movement suffers and you may well experience back, hip or knee pain. This turned out to be the cause of my back pain, which I mitigated with stretching and strengthening that I continue to practice today. None of this is one and done!

Left alone, the imbalance will worsen until basic movements like getting up and down off the floor, or squatting down to get something from under the sink can become a challenge. If you exercise a lot, you need to stretch. If you haven’t exercised much, you need to stretch to get back into it. Stretching, mobilizing, is basic maintenance.

The good news is most bodies respond well to the right kind of stretching. So, we're going to focus on the hip flexors, hamstrings, glutes and deep core muscles - the hip complex.

We'll tackle each area one at a time in subsequent newsletters. The sequence will look like this:

In my last newsletter I introduced the Couch Stretch for improved mobility of the muscles in the front of the thigh and hip – the hip flexors. We develop chronically tight hips from so much sitting, or from repetitive movements like running or cycling.

Lower back pain is the most common downstream effect, because the excessively arched lumbar spine puts uneven load on the discs. But the effects travel further than you'd expect — into your posture, your knees, even your gait.

You can find the video demonstration of that stretch here. Both new and more regular exercisers benefit from the Couch Stretch. It deserves regular rotation in your mobility program.

But the hip flexors work in conjunction with an opposing set of muscles on the posterior, or back side of the body – the hamstrings.

The hamstrings and hip flexors are functional opposites - when one contracts, the other lengthens. They're essentially in a constant negotiation over the position of the pelvis. When that negotiation breaks down, the pelvis gets pulled out of neutral, and everything above and below pays the price. If we stretch one without addressing the other, we can end up out of balance.

Tight hamstrings create a kind of chain reaction through the body, and the effects can show up in some surprising places beyond just the backs of your legs.

The core mechanical problem is that the hamstrings attach to the sitting bones (ischial tuberosities) at the base of the pelvis. When they're tight, they pull the pelvis into a posterior tilt - rotating it backward which flattens the natural lumbar curve of the lower back.

How this expresses physically:

Most people never feel the tightness in their hamstrings directly - they feel it as back pain, hip stiffness, or knee discomfort, and never trace it back to the source.

You'd think that since sitting keeps the hamstrings in a shortened position at the knee (knees bent), they'd be fine. But the hip is simultaneously flexed, which puts the hamstrings in a lengthened position at the hip end. The result is that the muscle is being pulled in two directions at once, and the nervous system responds by increasing tension throughout — a kind of protective stiffening.

So ironically, sitting contributes to both hip flexor tightness and hamstring tightness, just through different mechanisms. Tight hip flexors tilt the pelvis forward, which neurologically tightens the hamstrings, which then also pull on the pelvis from the other side, which further stresses the lower back.

This tug of war becomes a self-reinforcing cycle, which is why addressing only one side of it tends to produce limited results.

Other major contributors:

I'm going to show you two options for the stretches. I put together a very simple summary, below, and a thorough video demonstration of each stretch. Just click the image for the link to the video.

How to do it:

One critical technique point
Most people bend from the lower back rather than hinging at the hip, which means they're stretching their lumbar spine instead of their hamstrings. The movement should come from the hip, not the lower back rounding forward.

Intensity control
You can make the stretch gentler by bending the knees more or deepen it gradually as flexibility improves by straightening the legs further. Hands can rest on the shins, a block, or eventually the floor - wherever they reach comfortably without forcing the lower back to round.

The challenge
Hold for 3-5 minutes, breathing slowly, and allow the body to release a little further with each exhale. You should be uncomfortable but not in pain, at an intensity of 6 or 7 out of 10. Sounds easy, but it's not. By minute 3 you will feel this one!

Slightly less intense than the forward fold stretch

How to do it:

Hold for 3-5 minutes on each side, breathing slowly, and allow the body to release a little further with each exhale. Same intensity - 6 or 7 out of 10.

This stretch is a great example of the effectiveness of long hold, passive mobilization. Gravity and the wall do the work, so there's no muscular effort required to hold the position. This allows the nervous system to genuinely relax into the stretch rather than subtly bracing against it, which is why this approach tends to produce better results than active hamstring stretches for people with significant tightness.

And that's it! Alternate between the couch stretch for your hip flexors and one of these two hamstring stretches and you will be well on your way to rebalancing your "lumbopelvic-hip-complex". That's the fancy anatomical term for all of this.

Aim for three times a week to start. For maximum effectiveness do one after the other. The whole sequence will take 15-20 minutes. And, because long hold passive stretches lengthen and relax muscles and connective tissue you should not do them right before vigorous exercise.

We're now moving through step two of a six-step process to re-calibrate and re-engage with our hip complex.

Next newsletter, we will add a stretch for the glutes.

All of this will feel awkward and frustrating at first. It’s like driving downtown at rush hour. There are no shortcuts. As Google Maps says, “despite traffic you are still on the fastest route!” If you stick with the program the lanes will clear, and you will move better and feel better.

Cheers! George.

PS – You can always email me with questions or comments. Tell me what you need help with. I answer every email and your feedback helps me write better newsletters.

Did someone forward this newsletter to you? Subscribe here to get free resources on vital aging.

I’m George Harrop, founder of SecondFifty — At 52, I was out of shape and facing a choice: get healthy or accept decline and frailty. I chose to get healthy. And so can you!

I hired a trainer and went to work. I got stronger, moved better, and felt better. I also made plenty of mistakes and got injured a couple times doing routines that weren’t right for my age.