21 Things Science Just Confirmed About Movement in 2026

The American College of Sports Medicine just released its first major update to resistance training guidelines in 17 years. Here's what it means for you — and why so much of what we do at the Yoga Center of Columbia has been right all along.

The American College of Sports Medicine (ACSM) doesn't update its guidelines often. The last major revision to their resistance training recommendations was published in 2009. So when they release a new Position Stand — one that synthesized 137 systematic reviews covering more than 30,000 participants — it's worth paying attention.

The good news? If you've been showing up to class at the Yoga Center of Columbia, science has some very encouraging things to say about what you've been doing. Here are 21 of them.

On Getting Started

1. The biggest gains come from simply beginning — and beginners see them fastest.

The 2026 ACSM guidelines are unambiguous: the most meaningful improvement in strength, muscle, and physical function comes from moving from no resistance training to any resistance training. Research also shows that the first 8 to 12 weeks of training produce the most dramatic results, regardless of equipment. Not the perfect program. Not the optimal rep range. Just starting. If you've been thinking about joining us, this is your sign.

2. You don't need a gym.

The new guidelines confirm that elastic bands, bodyweight exercises, and home-based routines produce significant benefits in strength and muscle development. A yoga mat and a set of light weights — or just your own body — is enough to make real, measurable progress.

3. Pilates or yoga? Choose the one you'll actually do.

As our instructor Karen puts it: "Pilates or Yoga? Choose whichever you like better or fits in your schedule. That's the one you'll actually DO." The science agrees completely. The best program is the one you stick with. Consistency matters more than any other single variable.

4. Know someone who keeps saying they'll start "someday"?

Share this post — and share the love. Our Refer and Earn program rewards you for bringing friends and family to the studio. The people in your life who need this most are the ones who haven't started yet.

On What "Counts"

5. Lighter weights and bodyweight movement both build muscle.

The old conventional wisdom said muscle growth required moderate-to-heavy loads in a specific rep range. The 2026 Position Stand overturns that: muscle growth can occur across a wide range of loads, from light to heavy, when the effort is sufficient. Every warrior pose, every Pilates roll-up, every controlled movement against gravity counts.

6. All of our Healthy Bones and with-Weights classes qualify as resistance training.

The ACSM now clearly recognizes that resistance training in many forms builds and preserves bone mineral density. Research in postmenopausal women specifically shows that resistance-focused exercise can improve or help preserve bone density at the lumbar spine, hip, and femoral neck. Whether you're in Yoga and Pilates for Healthy Bones or any of our Pilates or Yoga with Weights classes, you are doing bone-protective movement.

7. Low-impact does not mean low benefit.

Gentle Yoga, Mobility Stretch, and Myofascial Release classes provide essential inputs the body needs: range of motion, tissue health, nervous system regulation, and connective tissue support. These are not "easy" alternatives to real movement. They are integral parts of a complete practice.

8. Yoga and Pilates touch multiple fitness categories in a single class.

The ACSM recommends training across four categories: cardiorespiratory fitness, muscle strength, flexibility, and neuromotor fitness (balance, coordination, agility). A single yoga or Pilates class can address all but cardiorespiratory fitness. That's a remarkable return on your time. Join one of our Community Hikes to add in your cardio!

On Muscle — and Why It Matters Far Beyond How You Look

9. Muscle is metabolic medicine, and it may help you live longer.

Muscle tissue is one of the primary sites for blood glucose regulation and insulin sensitivity. Multiple systematic reviews also found that regular muscle-strengthening activity is associated with meaningfully lower risk of several major chronic diseases and all-cause mortality. Building and maintaining muscle is one of the most powerful things you can do for your health, independent of any changes in weight or appearance.

10. Muscle loss with age is real — and resistance training is the best defense.

Sarcopenia, the gradual loss of muscle mass and function that can begin as early as our 30s, is associated with reduced strength, slower gait, greater fall risk, and declining independence. Consistent resistance training is the most evidence-based strategy we have to slow or reverse this process. Your classes at YCC are protective.

11. For women, building muscle is long-overdue preventive care.

For decades, fitness messaging aimed at women emphasized burning calories and staying small rather than building strength. The new guidelines make clear that this caused real harm. The hormonal shifts of menopause can accelerate both muscle and bone loss, making resistance training during and after this transition not optional but essential. Our classes are here for every stage of that journey.

12. Stronger muscles protect your joints.

Strength changes how stress is distributed through the body. Stronger muscles around the knee, hip, and spine reduce the compressive force those joints absorb during daily movement. Strength is joint protection.This framing is especially useful for students with arthritis, joint pain, or post-surgical histories. Building strength around an affected joint is often part of the solution, not something to avoid.

On Power — the Thing Nobody Talks About Enough

13. Power may matter more than strength as we age — and it declines first.

Strength is the ability to produce force. Power is the ability to produce force quickly. Research suggests power may decline earlier and more steeply than strength, and that for older adults, power may be a more precise predictor of functional limitations than strength alone. When you trip on a curb or catch yourself on the stairs, your body doesn't have time for a slow, controlled response. It needs to react in fractions of a second. That's power — and it's trainable.

If you want to make sure power training is built into your practice, look for Pilates classes on the schedule. Our Pilates and Pilates with Weights teachers intentionally incorporate one or two power-focused movements alongside the regular flow of class, so you get the functional benefits of speed and intent without the experience feeling like an entirely different kind of class.

14. We have some classes that always contain power moves.

The ACSM recommends lighter-to-moderate loads with a fast concentric (lifting) phase for power development. In yoga and Pilates, this could look like a quick but controlled transition, a rhythmic movement performed with intentional speed, or a standing exercise performed with purposeful intent. It does not require jumping or high-impact movement. It requires intention.

On How Much, How Often, and How Hard

15. You don't have to train to exhaustion, and you don't need a complicated program.

The 2026 guidelines confirm that taking every set to the point of absolute failure is not necessary for strength, muscle growth, or improved physical function. Training near failure — leaving a few repetitions in reserve — is sufficient. The update also deflates years of overcomplicated fitness messaging: drop sets vs. straight sets, free weights vs. machines, complex periodization — none of these produced consistently better outcomes for the average healthy adult. What matters is showing up, working with sufficient effort, and doing it regularly.

16. Twice a week is enough to make real progress.

For most healthy adults, training all major muscle groups at least twice per week produces meaningful improvements in strength and muscle. Three times per week appears to be the sweet spot for most people. Most of our students who attend two or three classes per week are already there.

17. Moving more throughout the day matters, even if you already exercise.

The broader ACSM physical activity guidance notes health benefits from reducing total sedentary time — including for people who already meet exercise guidelines. Breaking up long periods of sitting with short bouts of movement has independent health benefits. This is part of why we love our community walks and hikes.

On the Whole Person

18. Breathwork has measurable effects on your stress response.

Conscious breathwork activates the parasympathetic nervous system, which measurably reduces physiological stress markers. At the Yoga Center of Columbia, breathwork is woven throughout every movement class — not as an add-on, but as a core mind-body practice. Science is catching up to what our teachers have known for decades.

19. Balance and coordination are their own fitness category — and they matter.

The ACSM's broader exercise guidelines include neuromotor fitness — balance, agility, and coordination — as a distinct category recommended for all adults. Yoga, qigong, and standing portions of our Pilates and mobility stretch classes are among the most effective vehicles for developing this capacity. Balance is trainable, and it's one of the clearest predictors of healthy aging.

Balance training doesn't need to be segregated into "balance exercises." It lives in tree pose, in single-leg transitions, in qigong and standing Pilates weight shifts, in any moment where the student finds stability from the inside out.

20. Flexibility is still an essential component of a complete fitness program.

The ACSM recommends flexibility exercises for each major muscle-tendon group at least twice per week. Yoga is, among other things, a highly sophisticated flexibility training system with thousands of years of refinement. Yin Yoga, Gentle Yoga, and our Mobility Stretch classes deliver exactly what the science recommends.

21. The best predictor of long-term results is finding a community.

Research consistently shows that social support, enjoyable environments, and experienced instructors improve both adoption and long-term adherence to exercise. That is, in plain language, exactly what the Yoga Center of Columbia has offered since 1992. You don't stay consistent because you're disciplined. You stay consistent because you find your people and your practice.

A Final Note

The 2026 ACSM update arrived with a kind of humility. After reviewing more research than has ever been gathered on this topic, the conclusion is essentially this: resistance training works, it works in many forms, and the most important thing is that you do it consistently.

At the Yoga Center of Columbia, we've known this for 34 years.

Whether you're in your first beginner-friendly class or your thousandth Yoga 2-3, whether you're building bone density, preserving muscle, training your power, finding stillness in meditation, or simply trying to feel good in your body — you are doing the right things, in the right place, with the right people.

We're grateful you're here.

New to the studio? Start with our New Student Special: 3 weeks of unlimited classes for $59. Already a student? Know someone who needs this? Ask us about our Refer and Earn program — because the people in your life who need to move are still waiting for someone to invite them.

The Yoga Center of Columbia has been supporting our community's health and well-being since 1992. We offer yoga, Pilates, meditation, and qigong in four classrooms in Columbia, Maryland — in-person and online, for All Abilities, All Bodies, All Ages. You can find our entire class schedule and workshop schedule online.