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If You're Still Training Like This at 40, You're Damaging Your Body

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If You're Still Training Like This at 40, You're Damaging Your Body

It’s always important to stay up-to-date on ways to improve and enhance your workout routine and overall wellness. We looked into six gym habits you may be doing that are harmful after 40. Let’s see if any of these sound familiar. We spoke with Luke Jones, certified personal trainer at HERO Movement, who feels the biggest mistake made is training like you’re 25 when you’re actually 40. Your body is very different in this stage of life—and your workout should reflect that.

“The main challenge for most people is recovery. It’s not that you can’t train hard, but your body may need a little more time between intense sessions,” Luke points out. “Hormonal shifts, slower tissue repair, and reduced joint lubrication all mean that the “go hard or go home” mentality can backfire. What worked brilliantly at 25 might now lead to chronic soreness, plateaus, or even injuries. That said, your body is still incredibly capable-it just needs a bit more care and attention. The goal isn’t to pull back out of fear, but to train smarter, so you can stay consistent and injury-free.”

Although that’s the biggest bad habit, there are more.

Pushing Every Set to the Limit

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It’s essential to pace yourself and understand your limitations.

Pushing every set to the limit can feel productive, but over time, it can place unnecessary stress on the joints, connective tissues and nervous system,” says Luke. “Recovery takes a little longer as we age, and constantly flirting with burnout can stall progress instead of speeding it up.”

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Skipping Warm-Ups and Mobility Work

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Everyone needs to warm up before a workout; not doing so puts you at risk of sustaining injury. Keep in mind, if you get injured, you won’t be exercising for a while.

“Rushing into training without properly prepping the body can increase injury risk, especially for joints like the shoulders, knees, and spine,” Luke warns. “A few minutes of movement prep can go a long way toward better performance and fewer setbacks!”

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Following a Plan That Doesn’t Fit Your Abilities

man dealing with lower back pain at gym, concept of exercises that destroy your back after 50man dealing with lower back pain at gym, concept of exercises that destroy your back after 50
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It’s essential to know your abilities, including performance level and limitations.

“Many gym-goers follow generic online programs or intense workouts designed for younger athletes,” Luke tells us. “But after 40, things like recovery capacity, mobility, and injury history vary widely—training should reflect that, not ignore it.”

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Avoiding Unilateral Training

woman doing side lunges, concept of superset workouts for belly fatwoman doing side lunges, concept of superset workouts for belly fat
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As you age, it’s increasingly necessary to assess your workout and tweak your routine. Little changes can make a big difference in your performance and results.

“There’s still plenty of room to chase the big bilateral lifts—deadlifts, squats, presses—if that’s your thing,” says Luke. “But while asymmetries aren’t something to panic about, they can accumulate as we age. Incorporating more single-leg and single-arm work, and moving through different planes—lateral lunges, rotations, that sort of thing—can help maintain balance, support joint health, and ultimately help you get more out of your big lifts (and everything else you do in day-to-day life).”

Ignoring Recovery

Senior fitness woman injury knee pain while exercising in gym. aged lady suffering from Arthritis . Old female workout .Mature sport training.rehabilitation.elderly osteoarthritis Healthy lifestyleSenior fitness woman injury knee pain while exercising in gym. aged lady suffering from Arthritis . Old female workout .Mature sport training.rehabilitation.elderly osteoarthritis Healthy lifestyle
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As previously mentioned, recovery is king when it comes to a solid workout plan. Don’t skip rest days and recovery sessions—ever.

“Mobility drills, foam rolling, and active rest days often get skipped in favor of squeezing in another tough workout,” Luke explains. “But building them in is essential for managing stiffness, supporting tissue health, and staying consistent.”

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Over-Prioritizing Heavy Lifting

Muscular female athlete lifting heavy weights at gym. Fitness woman doing weightlifting exercise at health club.Muscular female athlete lifting heavy weights at gym. Fitness woman doing weightlifting exercise at health club.
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One habit that can easily get overlooked in performing workouts is prioritizing quality over quantity.

“Chasing personal bests week after week is great for motivation, but can be hard on the joints over time,” Luke states. “A more sustainable approach involves rotating load, tempo, and intent to build strength without burnout. Consistency over intensity.”

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Alexa Mellardo

Alexa is a content strategist, editor, and writer based in Greenwich, Connecticut. She has 11+ years of experience creating content for travel, lifestyle, fitness, wellness, F&B, home, and celeb news publications. Read more about Alexa

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Business News Today: Stock and Share Market News, Economy and Finance News, Sensex, Nifty, Global Market, NSE, BSE Live IPO News – Moneycontrol.com

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Business News Today: Stock and Share Market News, Economy and Finance News, Sensex, Nifty, Global Market, NSE, BSE Live IPO News – Moneycontrol.com
A new study suggests that high blood sugar may block some key benefits of exercise. However, researchers discovered that a high-fat ketogenic diet helped restore those benefits in mice by normalising blood sugar and improving how muscles use oxygen. Here’s what the study reveals
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Exercise Boosts Brain ‘Ripples’ Tied to Learning and Memory

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Exercise Boosts Brain ‘Ripples’ Tied to Learning and Memory
Each time you go for a jog, ride your bike, or get active in other ways, you’re giving your brain a boost. A small new study has for the first time directly documented this phenomenon, which the researchers call “ripples” — brief bursts of electrical activity in a part of the brain called the hippocampus.

While exercise is known to improve memory, scientists have mostly studied this effect by using behavioral tests or brain imaging methods like MRIs, says Michelle Voss, PhD, one of the study’s authors, a professor, and the director of the Health, Brain, and Cognitive Lab at the University of Iowa in Iowa City.

But she says these approaches can’t precisely identify where “ripples” originate, particularly in the deep brain structures like the hippocampus, a part of the brain strongly connected to memory and learning, she says.

The current study, published in Brain Communications, recorded electrical activity directly, using surgically implanted (intracranial) electrodes. “This allowed us to observe how exercise changes the brain’s memory circuits in real time,” Dr. Voss says.

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Higher Fitness Levels Amplify Brain Benefits After Exercise, Study Finds

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Higher Fitness Levels Amplify Brain Benefits After Exercise, Study Finds

Increasing our level of physical fitness leads to a bigger release of brain-boosting proteins following one session of exercise, a new study led by a UCL researcher has found.

The study, published in Brain Research, took a group of inactive unfit participants through a 12-week training programme of cycling three times per week and made them fitter. Researchers found as their fitness increased, so did the amount of brain-derived neurotrophic factor (BDNF) released following exercise, resulting in improved brain function.

Just 15 minutes of moderate to vigorous aerobic exercise releases BDNF, a brain protein which is known to support the formation of new neurons and new synapses (connections between brain cells), and maintains the health of existing neurons. This is the first study to show that for unfit people, just 12 weeks of consistent training can boost the brain’s response to a single 15-minute workout.

The study, led by Dr Flaminia Ronca (UCL Surgery & Interventional Science, and the Institute of Sport, Exercise and Health), involved 30 participants – 23 male and seven female – taking part in the 12-week programme. To assess fitness levels throughout the programme, participants completed VO2max tests every six weeks, which measures the maximum rate of oxygen your body can consume and use during intense exercise.

BDNF levels were measured pre- and post-VO2max testing, alongside a series of cognitive and memory tests, while also measuring changes in brain activity in the prefrontal cortex – where executive functions such as decision-making, emotion regulation, attention and impulsivity are controlled.

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By the final week of the trial, results showed that baseline levels of BDNF did not change, but participants did show a larger spike of BDNF following intense exercise, compared to how their brains responded to intense exercise before the 12-week programme. This was linked to improvements in VO2max (aerobic fitness).

Higher overall BDNF levels and stronger exercise-induced increases were also associated with changes in activity across key areas of the prefrontal cortex during attention and inhibition tasks, though not during memory tasks.

Overall, the results showed that increasing physical fitness can enhance the brain’s ability to produce BDNF in response to acute bouts of exercise, which can have a strong positive influence on neural activity.

Lead author Dr Flaminia Ronca said: “We’ve known for a while that exercise is good for our brain, but the mechanisms through which this occurs are still being disentangled. The most exciting finding from our study is that if we become fitter, our brains benefit even more from a single session of exercise, and this can change in only six weeks.”

Notes to editors:

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For more information or to speak to the researchers involved, please contact: Tom Cramp, UCL Media Relations , T: +447586 711698, E: [email protected]

The research paper: ‘BDNF relates to prefrontal cortex activity in the context of physical exercise’, Flaminia Ronca, Cian Xu, Ellen Kong, Dennis Chan, Antonia Hamilton, Giampietro Schiavo, Ilias Tachtsidis, Paola Pinti, Benjamin Tari, Tom Gurney, Paul W. Burgess, is published in Brain Research, March 2026, 

About UCL (University College London) 

UCL is a diverse global community of world-class academics, students, industry links, external partners, and alumni. Our powerful collective of individuals and institutions work together to explore new possibilities. 

Since 1826, we have championed independent thought by attracting and nurturing the world’s best minds. Our community of more than 50,000 students from 150 countries and over 16,000 staff pursues academic excellence, breaks boundaries and makes a positive impact on real world problems. 

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We are consistently ranked among the top 10 universities in the world and are one of only a handful of institutions rated as having the strongest academic reputation and the broadest research impact. 

We have a progressive and integrated approach to our teaching and research – championing innovation, creativity and cross-disciplinary working. We teach our students how to think, not what to think, and see them as partners, collaborators and contributors.  

For 200 years, we are proud to have opened higher education to students from a wide range of backgrounds and to change the way we create and share knowledge. 

We were the first in England to welcome women to university education and that courageous attitude and disruptive spirit is still alive today. We are UCL. 

www.ucl.ac.uk | Read news at www.ucl.ac.uk/news/ | Follow UCL News on Bluesky and LinkedIn 

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Journal

Brain Research

DOI

10.1016/j.brainres.2026.150253

Method of Research

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Experimental study

Subject of Research

People

Article Title

BDNF relates to prefrontal cortex activity in the context of physical exercise

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Article Publication Date

4-Mar-2026

Media Contact

Tom Cramp

University College London

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[email protected]

Journal
Brain Research
DOI
10.1016/j.brainres.2026.150253

Journal

Brain Research

DOI

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10.1016/j.brainres.2026.150253

Method of Research

Experimental study

Subject of Research

People

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Article Title

BDNF relates to prefrontal cortex activity in the context of physical exercise

Article Publication Date

4-Mar-2026

Tags
/Health and medicine/Human health/Physical exercise

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bu içeriği en az 2000 kelime olacak şekilde ve alt başlıklar ve madde içermiyecek şekilde ünlü bir science magazine için İngilizce olarak yeniden yaz. Teknik açıklamalar içersin ve viral olacak şekilde İngilizce yaz. Haber dışında başka bir şey içermesin. Haber içerisinde en az 12 paragraf ve her bir paragrafta da en az 50 kelime olsun. Cevapta sadece haber olsun. Ayrıca haberi yazdıktan sonra içerikten yararlanarak aşağıdaki başlıkların bilgisi var ise haberin altında doldur. Eğer yoksa bilgisi ilgili kısmı yazma.:
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Keywords

Tags: 12-week cycling training program benefitsbrain plasticity and physical fitnessbrain-derived neurotrophic factor after exerciseeffects of aerobic exercise on BDNFexercise and neuron healthexercise-induced neurogenesisfitness level impact on brain proteinsfitness training for cognitive improvementimproving brain function through fitnessmoderate to vigorous aerobic exercise effectsphysical fitness and brain healthVO2max and brain function correlation

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