Neither swimming nor Pilates : the best activity for people with knee pain

pacificadayspa

January 3, 2026

8
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When daily life narrows: a mother in Ohio and the choice between gym classes

Maria Thompson, a 54-year-old retail manager from Columbus, Ohio, found that her knee pain shaped how she lived. She stopped weekend hikes and cut back on work shifts because stairs became a source of anxiety.

“I tried swimming and a Pilates class last year because friends said they’d be gentle on my knees,” Maria said. “They helped a bit, but I still couldn’t kneel to pick up my son’s toys or walk half a mile without discomfort.”

Medical advice shifting toward targeted muscle work in the United States in 2025

  • Health guidance in the United States in 2025 increasingly highlights land-based strengthening and progressive resistance as primary treatments for chronic knee pain, especially osteoarthritis.
  • Clinical reviews now show that guided strength training and walking programmes often deliver greater short-term reductions in pain and improvements in function than aquatic exercise or Pilates for many patients.
  • Practitioners are promoting individualized exercise plans with measurable goals — frequency, load and progression — rather than one-size-fits-all low-impact classes.

These shifts reflect pooled results from dozens of trials involving several thousand patients, and they are shaping advice given by physiotherapists and primary care clinicians across the United States. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/26405113/?utm_source=openai))

People’s stories: small changes, big effects in community clinics

Jamal Rivera, 62, a retired delivery driver from Phoenix, joined a community physiotherapy programme after his GP suggested targeted leg-strengthening exercises. Within eight weeks he reduced daily pain and resumed gardening.

“I never expected single-leg sit-to-stands and some light resistance work would help so much,” Jamal said. “My knee still aches a bit on rainy days, but I can get up from the floor without thinking twice.”

Voices from clinics and public health: how officials describe the change

“We are telling patients that the strongest evidence for reducing long-term knee pain comes from progressive, land-based muscle strengthening paired with aerobic activity,” said Dr. Emily Carter, an orthopaedic consultant and head of a joint pain clinic in Chicago. “Swimming is valuable for some people, but it is not automatically superior to careful, supervised strength work.” ([bjsm.bmj.com](https://bjsm.bmj.com/content/49/24/1554?utm_source=openai))

“Our community programmes in 2025 emphasise return-to-function goals,” said Rachel Lin, a director at a municipal public health initiative in Seattle. “That means tailoring sessions so people can do their jobs and hobbies again — not just attend a class.”

What the research data shows about reducing knee pain and improving function

Systematic reviews and meta-analyses pooling data from randomized trials report consistent benefits from land-based exercise on pain and function. One major review found exercise reduced pain by roughly 10–12 points on a 0–100 scale immediately after treatment, with improvements maintained for months in many studies. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/26405113/?utm_source=openai))

Trials comparing types of exercise — resistance training, walking, mixed programmes and aquatic classes — generally show that strengthening programmes and walking interventions produce measurable gains in strength and daily function. One recent systematic review evaluated nearly 2,800 participants across trials of resistance training, walking, and mixed programmes and reported small to moderate increases in activity and function. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/35970256/?utm_source=openai))

How different activities stack up for knee pain relief

Content Essentials — activity comparison for knee pain
Activity Typical effect on knee pain Evidence strength (trials/meta-analyses) Practical recommendation
Progressive resistance/strength training Often reduces pain and improves function; increases muscle support around knee High — multiple RCTs and meta-analyses Recommended as a primary therapy, 2–3 sessions/week with gradual progression
Walking (graded programs) Improves endurance and function; pain reduction commonly reported Moderate — several trials and reviews Useful as complement to strengthening; start short and build distance
Swimming / aquatic exercise Low-impact; reduces load on joints but may produce less strength gain Moderate — effective for some outcomes but not universally superior Good option for high pain or when weight-bearing is not possible; pair with land-based strengthening when able
Pilates / core-focused classes Improves posture and core control; variable effects on knee pain Low to moderate — smaller trials, mixed results Helpful for balance and core; best combined with targeted leg strengthening

Practical steps people can take in 2025 to test what works for them

If you live in the United States and are managing persistent knee pain in 2025, start by discussing symptoms with your GP or a physiotherapist. A clinical assessment helps determine whether your pain is osteoarthritis, tendon-related, or due to another cause.

Practical actions often advised by clinicians include: aiming for two to three strengthening sessions per week targeting quadriceps and hip muscles; incorporating short walks or low-impact aerobic activity on alternate days; and tracking progress over 6–12 weeks.

Simple goals help: a common clinical benchmark is 8–12 weeks of supervised or home exercise with incremental load increases and objective measures such as timed sit-to-stand tests or walking distance. If pain worsens or mobility declines, seek reassessment promptly.

Common questions people ask about knee pain and movement — clear answers for readers

1. Will swimming worsen my knee pain?
No — swimming is low-impact and often reduces joint load, but it may not build leg strength enough on its own to improve long-term function for many people. Consider pairing water exercise with land-based strength work. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/33666347/?utm_source=openai))

2. Is Pilates bad for knees?
Not necessarily. Pilates can improve core stability and balance, but its direct effects on knee pain are mixed. Use it as a complement to targeted leg strengthening rather than the only therapy. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/33666347/?utm_source=openai))

3. What activity is most likely to reduce knee pain?
Progressive resistance training for the lower limb, combined with graded aerobic activity like walking, tends to show the strongest and most consistent benefits in trials. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/26405113/?utm_source=openai))

4. How often should I exercise my legs?
Most plans recommend 2–3 strength-focused sessions per week and gentle aerobic activity on alternate days. Consistency over 8–12 weeks is key to seeing results. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/36262252/?utm_source=openai))

5. Is exercise safe if I have osteoarthritis?
Yes — exercise is generally safe and effective for osteoarthritis when tailored and supervised as needed. Start gently and increase load gradually. ([cochrane.org](https://www.cochrane.org/CD004376/MUSKEL_exercise-for-osteoarthritis-of-the-knee?utm_source=openai))

6. Will strengthening exercises avoid the need for surgery?
For many people, targeted exercise reduces pain and delay or prevents surgery, but some will still need surgical options depending on severity and individual circumstances. Discuss options with your clinician.

7. Should older adults lift weights for knee pain?
Older adults can benefit from appropriately dosed resistance training; clinicians typically adapt exercises for safety and gradual progression. Supervision from a physiotherapist helps reduce injury risk. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/35970256/?utm_source=openai))

8. Can I do these exercises at home?
Yes, many people follow home programmes with periodic check-ins. Structured supervision or initial sessions with a physiotherapist improve adherence and technique.

9. How soon will I notice improvement?
Some people feel better in a few weeks; clinical studies typically assess changes at 8–12 weeks and report moderate improvements by then. ([pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/26405113/?utm_source=openai))

10. What if my pain spikes during exercise?
A temporary increase can occur. Reduce load, choose alternatives, and contact your clinician if pain stays high or limits daily activities. Real progress involves manageable discomfort, not worsening injury.

11. Is cycling a good option?
Yes — cycling is low-impact and builds endurance; it can be a good complement to strength training but may not replace the need for targeted muscle work.

12. How do I find a qualified physiotherapist?
Ask your GP for a referral, check professional registers, or contact local clinics and hospitals. Many community health centres offer affordable programmes in 2025.

13. Will insurance cover physiotherapy in the United States?
Coverage varies; some plans and Medicare Advantage products cover physiotherapy when prescribed by a clinician. Check your policy and discuss payment options with providers.

14. Can I combine classes like Pilates and swimming with strength work?
Yes — combining modalities is common and often helpful. The priority is adding progressive strength work focused on the legs.

15. When should I see a specialist?
If pain limits everyday tasks, walking, or work despite 8–12 weeks of appropriate exercise, or if swelling, mechanical locking, or instability appear, seek specialist assessment sooner.

Tags

knee pain, exercise therapy, osteoarthritis, United States 2025, strength training, physiotherapy

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