Men who regularly lift iron often ask: don't heavy squats and deadlifts harm the prostate, can you train with an adenoma, and does sport affect PSA. The editorial team has gathered what is known from urology and sports medicine and separated the real risks from popular fears.
The prostate: a brief note on anatomy and function
The prostate is a small organ roughly the size of a walnut, located beneath the bladder. The initial section of the urethra passes through it, so any enlargement of the gland can affect urination. The prostate's main function is producing the secretion that makes up a significant part of the ejaculate volume and supports sperm motility.
The prostate is an androgen-dependent organ. Its development and size are regulated by testosterone, or more precisely by its active metabolite dihydrotestosterone (DHT), which is formed under the action of the enzyme 5-alpha-reductase directly within the gland tissue. This is exactly why drugs that block this enzyme reduce prostate volume in benign hyperplasia.
With age, the gland gradually enlarges in most men. Benign prostatic hyperplasia (BPH, commonly called an adenoma) is one of the most widespread conditions in men after the age of 50. The frequency of lower urinary tract symptoms increases with each decade of life.
Two more conditions worth knowing about for athletes are prostatitis (inflammation or chronic pelvic pain syndrome) and prostate cancer. These are different diseases with different mechanisms, and physical activity affects each of them differently. That is why speaking of the «benefit or harm of sport for the prostate» in general is incorrect — one needs to consider the specific situation.
What strength loads do to the gland
Strength exercises by themselves do not injure the prostate. The gland is protected by the pelvic bones and the pelvic floor muscles, and the mechanical load during squats or deadlifts falls on the spine, joints and muscles, not on the internal organs. There is no convincing evidence in the scientific literature that classic resistance training causes BPH or cancer.
During a heavy set, especially with breath-holding (the Valsalva maneuver), intra-abdominal pressure rises sharply. It is transmitted to the bladder and pelvic floor. In healthy men this has no consequences, but in the presence of pelvic floor weakness, after prostate surgery or with pronounced BPH it can provoke urine leakage or discomfort.
Indirectly, training affects the prostate through metabolism. Regular activity improves insulin sensitivity, reduces visceral fat and systemic inflammation. Metabolic syndrome and obesity are associated with a higher frequency of lower urinary tract symptoms, so being physically fit is rather on the side of the gland's health.
A separate issue is hormones. The short-term rise in testosterone after training is insignificant and short-lived; it does not change prostate size. It is a different matter with exogenous androgens: supraphysiological doses of testosterone and its derivatives raise DHT levels and can increase gland volume and PSA. Here the risk is created not by the iron but by pharmacology.
Training, PSA and tests
Prostate-specific antigen (PSA) is a protein produced by prostate cells. Its level in the blood is used for screening and monitoring cancer, but it also rises with BPH, prostatitis and mechanical irritation of the gland. Therefore PSA must be interpreted together with a doctor and taking the circumstances into account.
Cycling raises the most questions: prolonged pressure of the saddle on the perineum was associated in some studies with a temporary rise in PSA, although the results are inconsistent. For strength training no such clear connection has been shown. Nevertheless, some urologists advise refraining from intense loads, cycling and ejaculation for 1–2 days before the test in order to reduce «noise».
For men who use or have used androgens, PSA is of particular importance. Clinical guidelines on testosterone therapy provide for monitoring PSA and a digital rectal examination in older men before starting treatment and during it. A sharp rise in the indicator is grounds for consulting a urologist.
- take your PSA test in the morning, at the same time, in the same laboratory;
- for 48 hours avoid prolonged cycling, intense training and ejaculation;
- inform the doctor about taking medications that affect androgens (in particular 5-alpha-reductase inhibitors, which lower PSA roughly by half);
- assess the dynamics, not a single value.
The decision on PSA screening in men without symptoms is made individually — after discussing with a doctor the benefits and the risks of overdiagnosis. This is recommended, in particular, by the guidelines of the European Association of Urology.
Adenoma, prostatitis and cancer: the role of physical activity
For BPH, physical activity is regarded as a factor associated with a lower frequency of symptoms. A meta-analysis by Parsons and Kashefi (2008) showed that physically active men had a lower risk of BPH and lower urinary tract symptoms compared with sedentary ones. These are observational data, but they are consistent with the metabolic hypothesis of adenoma development.
In chronic prostatitis and chronic pelvic pain syndrome, in a small randomized study by Giubilei and co-authors (2007), aerobic exercise reduced the severity of symptoms compared with stretching exercises. Strength training here needs to be dosed: excessive pelvic floor tension can intensify pain in some patients.
Regarding prostate cancer, large cohort studies indicate that high overall physical activity is associated with a somewhat lower risk of aggressive forms and a better prognosis after diagnosis. A cause-and-effect connection has not been definitively proven, but for patients with cancer physical exercise is recognized as an important part of rehabilitation.
Strength exercises are especially valuable for men receiving androgen deprivation. Such therapy lowers testosterone to castration levels, which leads to loss of muscle and bone mass and gain of fat. Randomized studies by Galvão and Newton showed that combining strength and aerobic exercise partly offsets these consequences.
| Condition | What is known about physical activity | Nuances |
|---|---|---|
| BPH | Active men have symptoms less often | Observational data; body weight and metabolism matter |
| Chronic prostatitis / pelvic pain | Aerobic exercise can reduce symptoms | Avoid excessive pelvic floor strain |
| Prostate cancer | Activity is associated with a better prognosis | The program is coordinated with an oncologist |
| Androgen deprivation | Strength exercises preserve muscle and bone | Monitoring of bone condition and metastases |
Practical nuances for those who train
If you have no symptoms, no additional restrictions in the gym regarding the prostate are needed. Regular training, normal body weight, sufficient fluid intake and moderate alcohol consumption — this is the best «prevention» that lifestyle can offer.
In the presence of BPH with pronounced symptoms, it is worth paying attention to breathing technique. Instead of prolonged breath-holding on every repetition, you can exhale more often during the effort, especially in accessory exercises. It is also useful to empty the bladder before training in order to reduce discomfort from increased pressure.
After prostate surgery (for example, transurethral resection or prostatectomy) the return to resistance work is agreed with a urologist. Usually walking and light exercises are allowed at first, while heavy work with weights is postponed for several weeks. In parallel, many patients are recommended pelvic floor exercises.
Regarding sports nutrition: protein and creatine have no proven negative effect on the prostate. But drugs that raise androgen levels — anabolic steroids, prohormones, some «boosters» with undeclared components — can affect the gland and PSA. Any hormonal agents are only on a doctor's prescription.
Alarming symptoms with which you should not delay a visit to the urologist: difficult or frequent urination, especially at night, a weak stream, a feeling of incomplete emptying, blood in the urine or semen, pain in the perineum. They cannot be explained away by «overtraining».
Editorial conclusions
Strength training does not harm a healthy prostate. On the contrary, physical activity is associated with a lower frequency of adenoma symptoms, and in men with prostate cancer it is an important part of rehabilitation.
The real risks for the gland in athletes are connected not with the iron but with excess body weight, metabolic disturbances and uncontrolled use of androgens. These are exactly what should be kept under control.
Before taking a PSA test it is better to pause intense loads and cycling, and any urinary symptoms should be discussed with a urologist without waiting for them to worsen.
We also recommend reading our materials «Andrological Examination: What It Includes», «Cycling and Men's Health» and «Obesity and Estrogen in Men».
References
- Parsons JK, Kashefi C. Physical activity, benign prostatic hyperplasia, and lower urinary tract symptoms. Eur Urol. 2008;53(6):1228–1235.
- Giubilei G, Mondaini N, Minervini A, et al. Physical activity of men with chronic prostatitis/chronic pelvic pain syndrome not satisfied with conventional treatments — could it represent a valid option? J Urol. 2007;177(1):159–165.
- Galvão DA, Taaffe DR, Spry N, et al. Combined resistance and aerobic exercise program reverses muscle loss in men undergoing androgen suppression therapy for prostate cancer without bone metastases: a randomized controlled trial. J Clin Oncol. 2010;28(2):340–347.
- Bhasin S, Brito JP, Cunningham GR, et al. Testosterone therapy in men with hypogonadism: an Endocrine Society clinical practice guideline. J Clin Endocrinol Metab. 2018;103(5):1715–1744.
- European Association of Urology. EAU Guidelines on Prostate Cancer. Arnhem: EAU; актуальна редакція.
- European Association of Urology. EAU Guidelines on Management of Non-neurogenic Male LUTS. Arnhem: EAU; актуальна редакція.
Andriy Melnyk
A strength-sports coach and author of programs for beginner and intermediate levels. Writes about training planning.
