Question explored with the scientific record
Conversation so far
- 1 With regards to my knee will this OA get better, become worse or stay the same if I employ physical therapy? + a private exchange
- 2 How much exercise /therapy is too much or too little? + a private exchange
- 3 Is walking a form of knee therapy
- 4 Is cycling a good exercise to replace gym work for my knee
- 5 What is the best strength training exercise for my knee
Answered on this page ↓
What is the best strength training exercise for my knee
The best single exercise is not one movement but a pattern: strengthen the quadriceps with low-load, non-weight-bearing work, and add hamstring work.
Quadriceps strengthening is the most studied intervention in this retrieval, and it consistently improves pain and function in knee OA. A four-week program cut pain from about 6.8 to 4.4 on a 10-point scale and improved daily activities [1]. A 2023 study combining hamstring stretching with quadriceps work improved function in elderly patients [2]. A 2025 trial found both quadriceps and hamstring strengthening improved pain and function, with no significant difference between them [3].
The specific exercise matters less than doing it consistently. Isometric quadriceps exercise improved function more than hamstring stretching alone [5]. Single-leg mini-squats beat straight-leg raises for pain, strength, and function in geriatric patients [6]. Even low-load work at 30% of your max strength built leg press strength over four weeks [4].
| Exercise | Pain change | Function change | Notes |
|---|---|---|---|
| Quadriceps program (4 wks) | 6.8 to 4.4 (VAS) [1] | WOMAC daily activities improved [1] | Therapist-guided |
| Mini-squats (3 wks) | 4.15 to 1.3 (VAS) [6] | KOOS-PS improved [6] | Beat straight-leg raises |
| Quadriceps vs hamstring (6 wks) | Both improved [3] | Both improved [3] | No significant difference |
The evidence is small and mostly short-term, with no long-term safety data on joint wear. But the pattern is consistent: strengthen the quadriceps with whatever movement you can do without pain, add hamstring work, and progress slowly.
My call: start with isometric quadriceps contractions and straight-leg raises, add mini-squats as tolerated, and include hamstring curls. Confidence: moderate—the evidence is consistent but short-term and small-sample.
Sources used 6
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Effectiveness of quadriceps muscle strengthening on knee joint stability and activities of daily living in patients with knee joint osteoarthritis
In knee osteoarthritis patients, a four-week guided quadriceps-strengthening physiotherapy program significantly reduced pain, improved daily living activities, and increased thigh girth, suggesting benefits for knee stability and function.
DOI: 10.4038/slaj.v4i1.112 -
STRETCHING HAMSTRING EXERCISE DAN STRENGTHENING QUADRICEP MUSCLE EXERCISE TERHADAP PENINGKATAN AKTIVITAS FUNGSIONAL PENDERITA OSTEOARTHTRITIS GENU
Three-week program combining hamstring stretching with quadriceps strengthening improves functional activity in elderly patients with genu knee osteoarthritis, as shown by a significant post-treatment reduction in WOMAC scores (p = 0.02).
DOI: 10.63520/pprj.v2i1.310 -
TO STUDY THE EFFECTIVENESS OF QUADRICEPS MUSCLE STRENGTHENING VS HAMSTRING MUSCLE STRENGTHENING IN PATIENTS WITH KNEE OSTEO ARTHRITIS
In a quasi-experimental 6-week trial in 30 knee OA patients, quadriceps strengthening improved VAS and KOOS slightly more than hamstring strengthening, but between-group differences were not statistically significant.
DOI: 10.36678/ijmaes.2025.v11i03.015 -
Efficacy of Blood Flow-Restricted Low-Load Resistance Training For Quadriceps Strengthening in Men at Risk of Symptomatic Knee Osteoarthritis
In men at risk for symptomatic knee osteoarthritis, adding blood flow restriction to 4 weeks of low-load (30% 1RM) leg press training did not yield significantly greater gains in leg press or knee extensor strength than the same training without BFR.
DOI: 10.1177/2151458515583088 -
PERBEDAAN PENGARUH STRETCHING HAMSTRING DAN ISOMETRIC QUADRICEPS EXERCISE TERHADAP KEMAMPUAN FUNGSIONAL PADA PENDERITA OSTEOARTHRITIS GENU
Isometric quadriceps exercise improves functional ability more than hamstring stretching in knee osteoarthritis genu patients, with both interventions yielding functional gains.
DOI: 10.33023/jikep.v10i1.1846 -
effectiveness of single leg mini squat and straight leg raise on pain intensity, muscle strength and physical function in patients with osteoarthritis KNEE in geriatric population
In geriatric knee osteoarthritis patients, 3 weeks of single leg mini-squats plus hot pack and IFT produced significantly greater reductions in pain and improvements in quadriceps strength and physical function than straight leg raises plus hot pack and IFT, although both groups…
DOI: 10.53730/ijhs.v6ns6.12160