Stretching Routine for Beginners: What It Changes, What It Doesn't, and How Much Is Enough

Short answer: Regular stretching reliably does one thing: it lets a joint move further before the stretch becomes uncomfortable. It has not been shown to prevent injuries in general, to reduce next-day soreness by an amount you would notice, to speed recovery or to change posture. If more range of motion is what you want, a gentle static stretch held for about 30 seconds, repeated two or three times on most days, is a dose the research supports, and in a 2025 meta-analysis the gains levelled off at about 10 minutes per muscle group per week. Strength training through a full range of movement improved flexibility about as much as stretching in head-to-head trials. Before exercise, stretching is optional: short holds do no measurable harm, while holds of a minute or longer per muscle can slightly reduce strength and power straight afterwards.

Stretching advice usually arrives as a set of rules: hold for 30 seconds, never bounce, always stretch before a run, never stretch a cold muscle, stretch afterwards so you will not be sore. Some of those rules have been tested. Some were tested and did not hold up. A few were never tested at all.

The most useful recent document is a 2025 consensus statement in which 20 stretching researchers from 12 countries worked through the systematic reviews one topic at a time, and issued a recommendation only when at least 80% of them agreed (Warneke et al., 2025). Their verdict is more selective than most routines suggest: stretching is good for range of motion, and range of motion is most of what it is good for. This guide starts there.

Flexibility, stretching and "mobility": what the words mean

Flexibility is "the range of motion possible at a joint", and it is specific to each joint (Physical Activity Guidelines for Americans, 2nd edition). Stretching is one way to change it. The consensus panel wrote definitions for the three kinds you will meet, because the research papers had been using the words inconsistently:

• Static stretching: moving into a position where you feel tension or mild discomfort and holding it, either on your own or with help from a strap or a partner.
• Dynamic stretching: repeated, controlled movements that reach the stretch sensation without holding it, such as leg swings. Ballistic stretching is the faster, bouncing version.
• PNF stretching: combining a stretch with a muscle contraction, for example pressing a muscle against resistance for a few seconds, then relaxing into the stretch.

"Mobility" comes from gyms and coaching, and I could not find a definition that researchers have agreed on the way the stretching panel agreed on its terms; a 2024 systematic review of "mobility training" in athletes grouped "a range of mobility training methods" under the label (Skopal et al., 2024). It is generally used to mean moving a joint through its range under your own control. In practice, "mobility work" usually turns out to be dynamic stretching, or strength exercises done through a long range of motion. That matters, because both of those change range of motion too.

What regular stretching changes

The best-established effect is on range of motion. A 2024 meta-analysis of 77 studies found that stretch training increased range of motion compared with not stretching, and that static and PNF stretching produced larger gains than dynamic or ballistic stretching (Konrad et al., 2024). A 2025 meta-analysis of static stretching alone, pooling 189 studies and 6,654 adults, found a moderate improvement after a single session and a large one after repeated sessions (Ingram et al., 2025). In that analysis, age, sex, training status and how hard people stretched made no significant difference to the size of the gain (the 2024 analysis did find larger gains in women), and people who started out least flexible improved the most.

What changes is mostly not the length of the muscle. A companion 2025 meta-analysis of 65 studies found that weeks of static stretching increased how much stretch people could tolerate and slightly reduced overall stiffness, but did not change the length of the muscle fibre bundles (fascicle length) (Ingram et al., 2025, mechanisms). An earlier review of programmes lasting three to eight weeks concluded that the adaptations "seem to mostly occur at a sensory level" (Freitas et al., 2018). In plain terms: your range improves, and a large part of that is your nervous system accepting a position it used to treat as the end point.

Three limits are worth knowing. Most of the studies lasted weeks, not years. The participants were young, with a mean age of 26.8 in the 2025 dose analysis, and four in five of its studies stretched the hamstrings or the calves (47% and 32% of studies, by my addition of the review's own figures), so the evidence for other parts of the body is thinner (Ingram et al., 2025). Range of motion is also not the same thing as everyday function: a review of flexibility training in adults over 65 found that range of motion improved, but that evidence on daily function was conflicting (Stathokostas et al., 2012).

What stretching has not been shown to do

None of this makes stretching pointless. The same US guidelines call flexibility activities "an appropriate part of a physical activity program, even though their health benefits are unknown and it is unclear whether they reduce risk of injury." If you want to reach your feet, turn further to look behind you, or get into a position a sport or class asks of you, stretching is a direct way to get there. It is simply not a substitute for the aerobic and strength work the guidelines are built on.

How long to hold a stretch, and how often

The dose is small and forgiving, and the studies disagree about the details.

Hold time. In a 1997 trial of 93 adults with tight hamstrings, holding a stretch for 30 seconds increased range of motion as much as holding it for 60 seconds, and stretching once a day worked as well as three times a day over six weeks (Bandy et al., 1997). For long-term flexibility, the consensus panel recommends static or PNF stretching, two to three sets a day, each held for 30 to 120 seconds per muscle (Warneke et al., 2025).

Weekly total. The 2025 dose meta-analysis found that gains levelled off at about 4 minutes per muscle group in a single session and about 10 minutes per muscle group per week (Ingram et al., 2025). Its authors add that the ceiling may partly reflect how short most studies were: the median study used 12.5 minutes a week. An earlier review found that at least 5 minutes of stretching a week helped and that stretching on more days was associated with larger gains (Thomas et al., 2018), while the 2024 meta-analysis found no significant role for volume, frequency or intensity (Konrad et al., 2024). The reviews agree that a modest amount works; they disagree about whether more adds much.

How hard. Stretching intensity did not change the size of the improvement in either the 2024 or the 2025 meta-analysis. A stretch you can hold while breathing normally is enough. The National Institute on Aging puts it simply: "don't stretch so far that it hurts" (NIA).

The floor. The American College of Sports Medicine's position stand recommends flexibility exercises for each major muscle-tendon group on at least two days a week, a total of 60 seconds per exercise (Garber et al., 2011).

By my arithmetic, three 30-second holds on five days comes to 7.5 minutes per muscle group a week, and four holds on five days comes to 10 minutes, roughly where the 2025 analysis saw gains flatten.

Before exercise: stretching is optional in a warm-up

The US guidelines describe a warm-up as doing an activity at a slower speed or lower intensity, which "allows a gradual increase in heart rate and breathing" (Physical Activity Guidelines for Americans). Stretching is not part of that definition. It does add range of motion for a short while, but so do other warm-up activities: a 2024 meta-analysis of 38 studies found no difference in range of motion between stretching or foam rolling and the other warm-up activities studied (Warneke et al., 2024); the consensus panel lists cycling, jogging, heat and vibration among them and concludes that stretching in a warm-up is "not essential, but it is a viable option" (Warneke et al., 2025). The extra range from a single session typically lasted less than 30 minutes in a 2016 review (Behm et al., 2016).

The worry that stretching beforehand ruins performance is about long holds. In a review of 106 studies, static stretches of under 30 seconds had no detrimental effect on maximal muscle performance (−1.1% on average) and stretches of 30 to 45 seconds had no significant effect (−1.9%), while a significant drop became likely at 60 seconds or more (Kay & Blazevich, 2012). Another review found performance fell by 4.6% after 60 seconds or more of static stretching per muscle group, against 1.1% after less, and that when studies added dynamic activity after the stretching, no clear effect on performance remained (Behm et al., 2016). The consensus panel's advice follows from that: avoid static stretches longer than 60 seconds per muscle right before maximal or explosive efforts, such as sprints, jumps or heavy lifts; short static stretches within an active warm-up, or dynamic stretching, do not cause that drop (Warneke et al., 2025).

If you are starting to run, the walk at the start of each session already is the warm-up. In a 2024 trial of 325 novice runners (245 women and 80 men), all supervised by a physiotherapist, the comparison group did static stretching exercises, and a hip-and-core exercise programme done before running led to fewer lower-limb injuries than the stretching (hazard ratio 0.66, 95% CI 0.45 to 0.97) (Leppänen et al., 2024). Our guide to starting to run when you are out of shape covers what the trials found about injuries in beginners.

After exercise: harmless, but not recovery

Stretching after a workout is where most routines put it, and the research found neither the benefit nor the harm people expect. It did not speed recovery or meaningfully reduce soreness in the reviews above. Nor did it hinder recovery: the consensus panel notes that existing reviews "do not show a detrimental effect of post-exercise stretching on recovery" and leaves its use to individual preference (Warneke et al., 2025). The NHS cool-down routine presents stretching as a way to relax, improve flexibility and let your heart rate settle, not as a soreness treatment (NHS, how to stretch after exercising).

What about stretching a muscle that is already sore? One small randomised trial tested exactly that. Fifty-six untrained men did an exercise designed to cause soreness in the front of the thigh; one group then stretched the muscle straight afterwards and again 24, 48 and 72 hours later. Soreness, lost strength and a blood marker of muscle damage (creatine kinase) did not differ from the groups that did not stretch, and only measures of muscle stiffness were lower (Torres et al., 2013). It is one trial in young men, but it found neither the relief nor the extra damage that stretching sore muscles is often said to cause.

The soreness itself is mostly a sign of doing something unfamiliar. The panel describes delayed-onset muscle soreness as "a marker of unaccustomed training" and says it "should not be a common phenomenon after regular training sessions" (Warneke et al., 2025). In other words, it tends to fade as the exercise becomes familiar.

Strength training improves range of motion too

This is the finding most beginner routines leave out. A meta-analysis of 11 randomised trials (452 participants) found no difference in range-of-motion gains between strength training and stretching (Afonso et al., 2021, strength vs stretching). A larger 2023 meta-analysis of 55 studies found that resistance training increased range of motion, again with no significant difference from stretch training, and with larger gains in untrained and sedentary people; resistance training using only body weight did not produce a significant improvement (Alizadeh et al., 2023). A 2025 meta-analysis of 36 studies also found a benefit, larger with heavier training, but none of the included studies was at low risk of bias (Favro et al., 2025).

For someone with limited time, that changes the arithmetic. Muscle-strengthening activity counts toward the guidelines; stretching does not. If you already train through a full range of movement with some external load, separate stretching may add little to your flexibility. If you have no plans to lift anything, stretching is the straightforward way to work on range. Either route is legitimate, and the consensus panel says that for healthy young adults the choice of method "can be left to individual preference" (Warneke et al., 2025).

A beginner routine you can start this week

No study has shown that one set of stretches is best, and most trials stretched only the hamstrings or the calves. So treat the routine below as a sensible default, not a prescription. The five stretches come from the NHS cool-down routine, which describes each one in detail (NHS, how to stretch after exercising); the NHS also describes gentle neck stretches done sitting and a standing side bend (NHS, flexibility exercises).

How to use it:

1. Pick the stretches that match what you want. If tight calves or hamstrings bother you, start there; they are also where the research is strongest. Add others only if they serve a purpose.
2. Ease into tension, not pain. Stop at the point where you feel a clear stretch and can still breathe normally. There is no evidence that pushing harder brings bigger gains.
3. Hold for about 30 seconds and repeat two or three times. The NHS cool-down uses 15 to 20 seconds per stretch, which suits a five-minute wind-down; for longer-term flexibility, the consensus panel's 30 seconds and upwards, repeated, is closer to what the trials tested.
4. Do it on most days, or at least twice a week. Twice a week is the ACSM floor; most days gets you nearer the weekly volume at which gains levelled off in the 2025 analysis.
5. Choose any time that suits you. After a walk or a workout is convenient, and the NIA suggests stretching when your muscles are warm. In a small trial, 10 minutes of stair climbing before three 30-second hamstring stretches did not significantly increase the gain in hamstring length compared with stretching alone (de Weijer et al., 2003); I found no trial that measured whether stretching without a warm-up causes injuries, so I cannot confirm either way whether it is riskier.

By my arithmetic, the five stretches (four of them done on each side) at two or three 30-second holds take about 9 to 14 minutes, plus the time spent changing position. If that is more than you will keep doing, fewer stretches done regularly beat a longer routine you drop; our guide to what predicts sticking with exercise explains why the realistic version usually wins.

If you are older

The US guidelines say older adults "should maintain the flexibility necessary for regular physical activity and activities of daily life", and repeat that stretching has not been shown to reduce the risk of activity-related injuries (Physical Activity Guidelines for Americans). The World Health Organization's recommendations for older adults put the emphasis elsewhere: varied activity that "emphasizes functional balance and strength training" on three or more days a week, to improve function and prevent falls (WHO guidelines on physical activity and sedentary behaviour).

The falls evidence explains why. In a review of 116 trials done for the WHO guidelines, balance and functional exercises reduced the rate of falls by 24%, and programmes combining several types, most often balance plus strength exercises, by 28% (Sherrington et al., 2020); the Cochrane review it updated found no trials comparing flexibility exercise with a control group (Sherrington et al., 2019). If stiffness is what bothers you, stretch. If falling is what worries you, balance and strength training is what has been tested and shown to help, and stretching can sit alongside it; our guide to balance exercises for seniors covers what those fall-prevention trials actually used.

When to be careful

The consensus recommendations are for healthy people, and its authors state that they "do not necessarily apply to individuals with diseases" (Warneke et al., 2025). The NHS says that if you have an injury or a medical condition, or are pregnant, you may need to change some stretches, and that a physiotherapist or healthcare professional can tell you which are right for you (NHS).

Harvard Health's advice on pain is direct: "You'll feel tension during a stretch, but you should not feel pain. If you do, there may be an injury or damage in the tissue. Stop stretching that muscle and talk to your doctor" (Harvard Health Publishing). I found no trial that sets a safe threshold for stretch discomfort, so stopping at tension rather than pain is a rule of thumb from clinical guidance, not a tested limit.

Mistakes worth avoiding

• Stretching instead of strengthening to prevent injury. In the trials, strength training reduced sports injuries; stretching did not.
• Pushing into pain. Stretch intensity did not change the size of the gains in the meta-analyses.
• Long static holds right before a sprint, a jump or a heavy lift. Keep holds under about 60 seconds per muscle, or use an active warm-up instead.
• Counting stretching as your exercise for the week. The guidelines do not count it toward the aerobic or muscle-strengthening targets.
• Expecting it to fix posture or next-day soreness. Neither has held up in the research.

The bottom line

Stretch if you want more range of motion, because that is what it reliably delivers: a static stretch held to tension for about 30 seconds, two or three times, on most days is enough, and the gains in the latest meta-analysis flattened out at about 10 minutes per muscle group per week. Do not rely on it to prevent injuries, speed recovery, prevent soreness or change posture. Before exercise, a gradual start to the activity itself is the warm-up, and short stretches are optional. If your time is limited, strength training through a full range of movement improves flexibility about as much, and it counts toward the guidelines.

Frequently Asked Questions (FAQ)

How long should you hold a stretch? About 30 seconds is a well-supported default for long-term flexibility: in a six-week trial, 30-second hamstring stretches worked as well as 60-second ones. The 2025 expert consensus recommends 30 to 120 seconds per muscle, two to three sets a day, if flexibility is the goal. Before a sprint, jump or heavy lift, keep static holds under about 60 seconds per muscle, because longer holds can briefly reduce strength and power.

Should you stretch before or after a workout? Either is fine, and neither is required. Before exercise, a gradual version of the activity is the warm-up; short static stretches or dynamic stretching can be added without a measurable performance cost. After exercise, stretching did not speed recovery or meaningfully reduce soreness in the trials, but it did not harm recovery either.

Does stretching help sore muscles? Not by an amount you would notice. In a Cochrane review, stretching after exercise reduced next-day soreness by about one point on a 100-point scale, and a later meta-analysis found no effect on soreness at 24, 48 or 72 hours compared with resting. In a small trial where people stretched an already sore thigh on each of the following three days, soreness was no better and no worse than without stretching.

How long does it take to become more flexible? I cannot confirm a timeline for any individual. In one review, the stretching programmes studied lasted three to eight weeks, and the 1997 hamstring trial found gains after six weeks of stretching five days a week. People who start out least flexible tend to improve the most.

What is the difference between mobility and flexibility? Flexibility is the range of motion available at a joint. "Mobility" is a coaching term with no agreed scientific definition that I could find; it usually means moving through that range under your own control. Both stretching and strength training through a full range of movement have been shown to improve range of motion.

Medical disclaimer: This article is for informational purposes only. Always consult a qualified healthcare provider before making changes to your health routine.

Sources

1. Warneke K, Thomas E, Blazevich AJ, et al. Practical recommendations on stretching exercise: A Delphi consensus statement of international research experts. Journal of Sport and Health Science, 2025;14:101067 — PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC12305623/
2. U.S. Department of Health and Human Services. Physical Activity Guidelines for Americans, 2nd edition, 2018. https://odphp.health.gov/sites/default/files/2019-09/Physical_Activity_Guidelines_2nd_edition.pdf
3. Konrad A, Alizadeh S, Daneshjoo A, et al. Chronic effects of stretching on range of motion with consideration of potential moderating variables: A systematic review with meta-analysis. Journal of Sport and Health Science, 2024;13(2):186–194 — PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC10980866/
4. Ingram LA, Tomkinson GR, d'Unienville NMA, et al. Optimising the Dose of Static Stretching to Improve Flexibility: A Systematic Review, Meta-analysis and Multivariate Meta-regression. Sports Medicine, 2025;55(3):597–617 — PubMed. https://pubmed.ncbi.nlm.nih.gov/39614059/
5. Ingram LA, Tomkinson GR, d'Unienville NMA, et al. Mechanisms Underlying Range of Motion Improvements Following Acute and Chronic Static Stretching: A Systematic Review, Meta-analysis and Multivariate Meta-regression. Sports Medicine, 2025;55(6):1449–1466 — PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC12152101/
6. Freitas SR, Mendes B, Le Sant G, et al. Can chronic stretching change the muscle-tendon mechanical properties? A review. Scandinavian Journal of Medicine & Science in Sports, 2018;28(3):794–806 — PubMed. https://pubmed.ncbi.nlm.nih.gov/28801950/
7. Stathokostas L, Little RM, Vandervoort AA, Paterson DH. Flexibility training and functional ability in older adults: a systematic review. Journal of Aging Research, 2012;2012:306818 — PubMed. https://pubmed.ncbi.nlm.nih.gov/23209904/
8. Lauersen JB, Bertelsen DM, Andersen LB. The effectiveness of exercise interventions to prevent sports injuries: a systematic review and meta-analysis of randomised controlled trials. British Journal of Sports Medicine, 2014;48(11):871–877 — PubMed. https://pubmed.ncbi.nlm.nih.gov/24100287/
9. Herbert RD, de Noronha M, Kamper SJ. Stretching to prevent or reduce muscle soreness after exercise. Cochrane Database of Systematic Reviews, 2011;(7):CD004577 — PubMed. https://pubmed.ncbi.nlm.nih.gov/21735398/
10. Afonso J, Clemente FM, Nakamura FY, et al. The Effectiveness of Post-exercise Stretching in Short-Term and Delayed Recovery of Strength, Range of Motion and Delayed Onset Muscle Soreness: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Frontiers in Physiology, 2021;12:677581 — PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC8133317/
11. Bandy WD, Irion JM, Briggler M. The effect of time and frequency of static stretching on flexibility of the hamstring muscles. Physical Therapy, 1997;77(10):1090–1096 — PubMed. https://pubmed.ncbi.nlm.nih.gov/9327823/
12. Thomas E, Bianco A, Paoli A, Palma A. The Relation Between Stretching Typology and Stretching Duration: The Effects on Range of Motion. International Journal of Sports Medicine, 2018;39(4):243–254 — PubMed. https://pubmed.ncbi.nlm.nih.gov/29506306/
13. National Institute on Aging. Three Types of Exercise Can Improve Your Health and Physical Ability. https://www.nia.nih.gov/health/exercise-and-physical-activity/three-types-exercise-can-improve-your-health-and-physical
14. Garber CE, Blissmer B, Deschenes MR, et al. American College of Sports Medicine position stand. Quantity and quality of exercise for developing and maintaining cardiorespiratory, musculoskeletal, and neuromotor fitness in apparently healthy adults: guidance for prescribing exercise. Medicine & Science in Sports & Exercise, 2011;43(7):1334–1359 — PubMed. https://pubmed.ncbi.nlm.nih.gov/21694556/
15. Warneke K, Plöschberger G, Lohmann LH, et al. Foam rolling and stretching do not provide superior acute flexibility and stiffness improvements compared to any other warm-up intervention: A systematic review with meta-analysis. Journal of Sport and Health Science, 2024;13(4):509–520 — PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC11184403/
16. Behm DG, Blazevich AJ, Kay AD, McHugh M. Acute effects of muscle stretching on physical performance, range of motion, and injury incidence in healthy active individuals: a systematic review. Applied Physiology, Nutrition, and Metabolism, 2016;41(1):1–11 — PubMed. https://pubmed.ncbi.nlm.nih.gov/26642915/
17. Kay AD, Blazevich AJ. Effect of acute static stretch on maximal muscle performance: a systematic review. Medicine & Science in Sports & Exercise, 2012;44(1):154–164 — PubMed. https://pubmed.ncbi.nlm.nih.gov/21659901/
18. Leppänen M, Viiala J, Kaikkonen P, et al. Hip and core exercise programme prevents running-related overuse injuries in adult novice recreational runners: a three-arm randomised controlled trial (Run RCT). British Journal of Sports Medicine, 2024;58(13):722–732 — PubMed. https://pubmed.ncbi.nlm.nih.gov/38724071/
19. NHS. How to stretch after exercising. https://www.nhs.uk/live-well/exercise/how-to-stretch-after-exercising/
20. Afonso J, Ramirez-Campillo R, Moscão J, et al. Strength Training versus Stretching for Improving Range of Motion: A Systematic Review and Meta-Analysis. Healthcare (Basel), 2021;9(4):427 — PubMed. https://pubmed.ncbi.nlm.nih.gov/33917036/
21. Alizadeh S, Daneshjoo A, Zahiri A, et al. Resistance Training Induces Improvements in Range of Motion: A Systematic Review and Meta-Analysis. Sports Medicine, 2023;53(3):707–722 — PubMed. https://pubmed.ncbi.nlm.nih.gov/36622555/
22. Favro F, Roma E, Gobbo S, et al. The Influence of Resistance Training on Joint Flexibility in Healthy Adults: A Systematic Review, Meta-analysis, and Meta-regression. Journal of Strength and Conditioning Research, 2025;39(3):386–397 — PubMed. https://pubmed.ncbi.nlm.nih.gov/39787531/
23. NHS. Flexibility exercises. https://www.nhs.uk/live-well/exercise/flexibility-exercises/
24. de Weijer VC, Gorniak GC, Shamus E. The effect of static stretch and warm-up exercise on hamstring length over the course of 24 hours. Journal of Orthopaedic & Sports Physical Therapy, 2003;33(12):727–733 — PubMed. https://pubmed.ncbi.nlm.nih.gov/14743986/
25. World Health Organization. WHO guidelines on physical activity and sedentary behaviour. Geneva: WHO; 2020. https://iris.who.int/server/api/core/bitstreams/faa83413-d89e-4be9-bb01-b24671aef7ca/content
26. Sherrington C, Fairhall NJ, Wallbank GK, et al. Exercise for preventing falls in older people living in the community. Cochrane Database of Systematic Reviews, 2019;1:CD012424 — PubMed. https://pubmed.ncbi.nlm.nih.gov/30703272/
27. Sherrington C, Fairhall N, Kwok W, et al. Evidence on physical activity and falls prevention for people aged 65+ years: systematic review to inform the WHO guidelines on physical activity and sedentary behaviour. International Journal of Behavioral Nutrition and Physical Activity, 2020;17(1):144 — PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC7689963/
28. Skopal LK, Drinkwater EJ, Behm DG. Application of mobility training methods in sporting populations: A systematic review of performance adaptations. Journal of Sports Sciences, 2024;42(1):46–60 — PubMed. https://pubmed.ncbi.nlm.nih.gov/38433623/
29. Torres R, Pinho F, Duarte JA, Cabri JM. Effect of single bout versus repeated bouts of stretching on muscle recovery following eccentric exercise. Journal of Science and Medicine in Sport, 2013;16(6):583–588 — PubMed. https://pubmed.ncbi.nlm.nih.gov/24139151/
30. Harvard Health Publishing. The importance of stretching (updated 17 April 2024). https://www.health.harvard.edu/healthy-aging-and-longevity/the-importance-of-stretching

All sources accessed 29 September 2026.