The effect of NASM-based corrective exercises on lumbar lordosis angle and selected muscle activity in women with lower cross syndrome: A randomized clinical trial
What the research shows:
A randomized controlled trial found that an 8-week NASM-based corrective exercise program helped reduce lumbar lordosis angle and improve gluteus maximus muscle activity in inactive women with lower cross syndrome. The program used the NASM corrective sequence of inhibition, stretching, activation, and integration over 24 sessions. The strongest between-group findings were improved spinal alignment and better glute activation, while hamstring and erector spinae changes were less consistent.
How I apply:
I use corrective exercise as a bridge back to stronger movement, not as the end goal. For clients with signs of anterior pelvic tilt, poor glute activation, excessive lumbar extension, or lower-body movement compensation, I may use foam rolling , hip flexor mobilizations, glute activation, core control, and then integrated strength patterns like bridges, hip hinges, split squats, or squats. The goal is to improve alignment, muscle recruitment, and movement quality before progressing into moderately difficult resistance training.
Reference:
Ghaffari, S., Hosseini, S. M., & Gheitasi, M. (2026). The effect of NASM-based corrective exercises on lumbar lordosis angle and selected muscle activity in women with lower cross syndrome: A randomized clinical trial. PLOS ONE, 21(3), e0337804. https://doi.org/10.1371/journal.pone.0337804
Comprehensive corrective exercise program improves alignment, muscle activation and movement pattern of men with upper crossed syndrome: randomized controlled trial
What the research shows:
This randomized controlled trial found that an 8-week comprehensive corrective exercise program improved posture, scapular movement, and muscle activation patterns in young men with upper crossed syndrome. The program improved forward head posture, rounded shoulder posture, thoracic kyphosis, scapular dyskinesis, and activation balance between the upper trapezius, middle/lower trapezius, and serratus anterior. The improvements were still present after 4 weeks of detraining, suggesting that corrective exercise may create lasting neuromuscular adaptations, not just temporary posture changes.
How I apply this:
This supports using corrective exercise as a bridge back to better movement, especially for clients with forward head posture, rounded shoulders, stiff upper backs, or poor shoulder mechanics. I would apply this through thoracic mobility, chin tuck variations, scapular control drills, external rotation work, serratus anterior/lower trap activation, and then progress into more functional strength exercises like rows, presses, carries, and deadlift/squat patterns with better alignment.
Effect of Systematic Corrective Exercises on the Static and Dynamic Balance of Patients with Pronation Distortion Syndrome: A Randomized Controlled Clinical Trial Study
What the research shows:
This randomized controlled clinical trial studied 30 male students ages 10–16 with pronation distortion syndrome. They were split into an exercise group and a control group. The exercise group performed systematic corrective exercises for 12 weeks, while the control group continued routine activity. The researchers measured static balance and dynamic balance before and after the intervention.
After 12 weeks, the corrective exercise group showed significant improvements in static and dynamic balance, including improvements on the Flamingo balance test, stabilometer testing, and Star Excursion Balance Test directions. The control group did not show the same improvements.
How I apply this:
This supports the idea that corrective exercise is useful when someone has poor foot control, collapsed arches, knee valgus tendencies, or balance issues. I’d apply this with exercises like strengthening intrinsic and extrinsic foot muscles, tibialis posterior strengthening, calf/ankle mobility, glute medius activation, then integrate with single-leg balance reaches, step-ups, lunges, and eventually split squats.
Resistance Training Reduces Risk of All Cause mortality
What the research shows:
A large systematic review and meta-analysis found that resistance training is associated with a 15% lower risk of all-cause mortality, 19% lower risk of cardiovascular disease mortality, and 14% lower risk of cancer mortality. The greatest benefit appeared at around 60 minutes per week, with diminishing returns at higher volumes.
How I apply this:
You don’t need excessive time in the gym to get meaningful health benefits. This is why I focus on efficient, structured strength training 2–3x per week, rather than high-volume or overly long workouts. Consistency and proper progression matter more than doing more.
Reference:
Shailendra P, Baldock KL, Li LSK, Bennie JA, Boyle T. Resistance Training and Mortality Risk: A Systematic Review and Meta-Analysis. American Journal of Preventive Medicine. 2022;63(2):277–285.
Resistance Training Improves Heart Health and Reduces Disease Risk
What the research shows:
A major scientific statement from the American Heart Association concludes that resistance training is a safe and effective way to improve cardiovascular health in both healthy individuals and those with heart disease. It improves key risk factors including blood pressure, blood sugar, cholesterol, and body composition, and also benefits vascular function, fitness, and overall quality of life. Combining resistance training with aerobic exercise provides even greater overall health benefits.
How I apply this:
Strength training isn’t just for muscle—it directly supports heart health and long-term disease prevention. This is why I program both strength training and some form of cardio, rather than relying on just one. Even simple routines done 2x per week can produce meaningful health improvements.
Reference:
Paluch AE, et al. Resistance Exercise Training in Individuals With and Without Cardiovascular Disease: 2023 Update.Circulation. 2023. doi:10.1161/CIR.0000000000001189
Resistance Training Improves Health Beyond Muscle (Mobility, Brain, and Metabolism)
What the research shows:
A review published by the American College of Sports Medicine highlights that resistance training provides broad health benefits beyond muscle growth, including improvements in mobility, cognitive function, metabolic health, and cancer outcomes. Evidence suggests resistance training can produce similar health benefits to aerobic exercise in many areas, and combining both may provide optimal results. Importantly, many of these benefits can be achieved using lighter loads performed with high effort, not just heavy lifting.
How I apply this:
Resistance training isn’t just about building muscle—it supports long-term health, brain function, and overall performance. This is why I include resistance training for nearly every client and focus on consistent effort and proper execution, rather than just lifting heavy weights. It also means training can be adapted to any level while still delivering meaningful results.
Reference:
Abou Sawan S, Nunes EA, Lim C, McKendry J, Phillips SM. The Health Benefits of Resistance Exercise: Beyond Hypertrophy and Big Weights. Exercise, Sport, and Movement. 2023;1(1):e00001.
Resistance Training Improves Strength, Balance, and Fall Prevention in Older Adults
What the research shows:
A systematic review and meta-analysis of randomized controlled trials in adults aged 65+ found that resistance training significantly improves muscle strength, balance, flexibility, coordination, and fall-related confidence. These improvements are key factors in reducing fall risk and maintaining independence. Programs were typically performed 2–3 times per week for 8–12 weeks.
How I apply this:
As people age, maintaining strength and balance becomes critical for preventing falls and staying independent. This is why I include progressive resistance training along with balance-focused movements, especially for older clients, to improve stability, coordination, and confidence in everyday movement.
Reference:
Choi S, Lee J. Effects of resistance exercise programs on older adults: A systematic review and meta-analysis. Journal of Exercise Rehabilitation. 2025;21(4):182–189. doi:10.12965/jer.2550362.181
Impact of National Academy of Sports Medicine Corrective Exercises on Gait and Postural Control in Individuals With Chronic Ankle Instability: A Randomized Controlled Trial
What the research shows:
A randomized controlled trial found that an 8-week NASM corrective exercise program improved postural control in individuals with chronic ankle instability. The study included 70 recreational and collegiate athletes ages 18–35 with chronic ankle instability. Participants were assigned to either a control group or an intervention group that followed the NASM sequence of muscle relaxation, lengthening, activation, and integration into functional movement. The strongest improvements were seen in postural control and gait contact time.
How I apply:
I use this kind of research to support corrective exercise for clients with previous ankle sprains, poor single-leg balance, unstable lunges, unstable step-downs, or compensations during lower-body training. The goal is not just to “stretch and activate,” but to improve balance, proprioception, foot/ankle control, and then integrate that control into stronger movements like split squats, step-ups, lunges, squats, and deadlifts. I would not claim corrective exercise fixes all gait mechanics, but this study supports it as a useful bridge for improving balance and movement control.
Reference:
Bagherian, S., Akbari, F., Rabiei, M., Mohammadi, B., & Wikstrom, E. A. (2026). Impact of National Academy of Sports Medicine corrective exercises on gait and postural control in individuals with chronic ankle instability: A randomized controlled trial. Journal of Sport Rehabilitation, 35(1), 61–68. DOI: 10.1123/jsr.2024-0430.
The effectiveness of the comprehensive corrective exercise program on kinematics and strength of lower extremities in males with dynamic knee valgus: a parallel-group randomized wait-list controlled trial
What the research shows:
This randomized wait-list controlled trial looked at 30 young men with dynamic knee valgus during a single-leg squat. The intervention group performed a comprehensive corrective exercise program 3 times per week for 8 weeks, while the control group continued normal daily activity. The researchers measured hip abductor strength, hip external rotator strength, and 3D lower-extremity mechanics. After 8 weeks, the corrective exercise group improved knee valgus mechanics, femur position, tibial rotation, hip abductor strength, and hip external rotator strength.
The big takeaway is that the program did not just strengthen the hips. It targeted alignment, muscle activation, motor control, feedback, and both proximal and distal segments — meaning hips, knees, ankles, and movement quality together. The authors specifically concluded that practitioners should use a comprehensive approach rather than focusing only on one weak muscle or one joint.
How I apply this:
This supports using corrective exercise before loading people in more difficult movements like squats, lunges, split squats, and single-leg work. If someone’s knee caves in during a single-leg squat or step-down, I would not just say “strengthen the glutes.” I would look at hip control, foot/ankle position, tibial rotation, knee tracking, balance, and motor control, then progress from easier drills into functional strength patterns.
The effect of various therapeutic exercises on forward head posture, rounded shoulder, and hyperkyphosis among people with upper crossed syndrome: a systematic review and meta-analysis
What the research shows:
A 2024 systematic review and meta-analysis found that therapeutic exercise can improve postural alignment in people with upper crossed syndrome. The review included 22 studies with 903 participants and found significant improvements in forward head posture, rounded shoulders, and thoracic kyphosis. The interventions included strengthening exercises, stretching, shoulder-based exercises, and comprehensive corrective exercise programs. The authors concluded that therapeutic exercise appears effective for reducing the postural changes associated with upper crossed syndrome
How I apply:
I use corrective exercise as a bridge toward better movement, not as the final destination. For clients with forward head posture, rounded shoulders, stiff upper backs, or poor shoulder mechanics, this supports using a combination of thoracic mobility, pec and Lat stretching, deep neck flexor strengthening, rows, external rotations, lower trap and serratus anterior activation, and then progressing into loaded strength training. The goal is to improve alignment, shoulder control, and movement quality so clients can train stronger and safer over time.
Reference:
Sepehri, S., Sheikhhoseini, R., Piri, H., & Sayyadi, P. (2024). The effect of various therapeutic exercises on forward head posture, rounded shoulder, and hyperkyphosis among people with upper crossed syndrome: A systematic review and meta-analysis. BMC Musculoskeletal Disorders, 25, Article 105. doi:10.1186/s12891-024-07224-4.
Muscle Strength Predicts Longevity in Older Women (Even Without High Activity Levels)
What the research shows:
A large cohort study of 5,472 women (ages 63–99) found that higher muscle strength—measured by grip strength and chair stand performance—was strongly associated with lower risk of death over ~8 years. Women in the highest strength group had up to 30–37% lower mortality risk, even after accounting for physical activity, sedentary time, walking speed, and inflammation. This relationship remained even in those not meeting exercise guidelines.
How I apply this:
Strength is one of the most important markers of healthy aging. This is why I prioritize building and maintaining strength at any age, using simple, repeatable movements like squats, carries, and resistance training. Even small improvements in strength can have a meaningful impact on long-term health and independence.
Reference:
LaMonte MJ, Hyde ET, Nguyen S, et al. Muscular Strength and Mortality in Women Aged 63 to 99 Years. JAMA Netw Open. 2026;9(2):e255936. doi:10.1001/jamanetworkopen.2025.59367
Resistance Training Improves Bone Density and Reduces Risk of Osteoporosis
What the research shows:
A systematic review and meta-analysis found that resistance training significantly improves bone mineral density in postmenopausal women, particularly at the lumbar spine, femoral neck, and hip. Higher-intensity training (≥70% 1RM), performed around 3 times per week, and sustained over longer durations (≥48 weeks), showed the most consistent improvements in bone health.
How I apply this:
Resistance training isn’t just about muscle—it’s critical for bone health and long-term injury prevention. This is why I include progressive resistance training, especially for clients as they age, focusing on gradually increasing load and maintaining consistency over time to support bone density and reduce injury risk.
Reference:
Zhao F, Li P, Zhang D, Wang L. Optimal Resistance Training Parameters for Improving Bone Mineral Density in Postmenopausal Women: A Systematic Review and Network Meta-Analysis. Bone. 2025.
Resistance Training Preserves Muscle and Enhances Fat Loss During Weight Loss
What the research shows:
A systematic review and meta-analysis of 25 randomized controlled trials found that adding resistance training to a calorie-restricted diet preserves lean muscle mass, increases fat loss, and improves strength compared to diet alone. These findings highlight the importance of resistance training for improving body composition during weight loss.
How I apply this:
The goal isn’t just weight loss—it’s maintaining muscle while losing fat. This is why I include resistance training during fat loss phases to help clients protect muscle, improve body composition, and maintain strength, rather than just focusing on the number on the scale.
Reference:
Binmahfoz A, et al. Effect of resistance exercise on body composition and cardiometabolic health in adults with overweight or obesity undergoing dietary weight loss: A systematic review and meta-analysis. BMJ Open Sport & Exercise Medicine. 2025;11(3):e002363.
Resistance Training Improves Body Composition and Fat Loss in Overweight Individuals
What the research shows:
A systematic review and meta-analysis of 114 randomized controlled trials (4,184 participants) found that resistance training significantly improves body composition in individuals that are overweight or obese. Resistance training combined with cardio also reduced fat, while resistance training alone still produced meaningful fat loss (~1.6%) and increased lean muscle (~0.8 kg). Importantly, when paired with dieting, resistance training helped preserve muscle mass, preventing the typical muscle loss seen with weight loss.
How I apply this:
For fat loss, I prioritize resistance training as the foundation because it helps clients lose fat while maintaining or building muscle. I focus on improving body composition rather than just scale weight.
Reference:
Wewege M, van den Berg R, Ward RE, Keech A. Resistance training effectiveness on body composition and body weight outcomes in individuals with overweight and obesity across the lifespan: A systematic review and meta-analysis. Sports Medicine. 2022.