# What to make of soreness, movement and scan results *Joint Regeneration Surprise | What Results Mean* > Joint regeneration Surprise explained through the changes that matter: less soreness, easier movement and what an x-ray can show. Can an x-ray show how much your joint hurts? Not always. An x-ray shows wear and the space inside a joint. It can't show the soreness you feel while walking or reaching. A knee with marked wear may still feel manageable. A smaller change may hurt much more. Your daily limits and the exam fill in what the x-ray cannot show. ## What to measure in daily life Choose one task that has become harder. It could be climbing steps, leaving a chair or reaching for a shelf. Write down how long you manage before soreness starts and whether you slow down or stop. Check the same joint later and again the next morning. Don't switch tasks, because a steady test gives you a fairer comparison. Progress means the task hurts less, feels easier or improves in both ways. ## What to ask about an x-ray or MRI Ask what the x-ray shows and whether it matches your exam. An MRI can show cartilage, tendons and other soft parts more closely. Cartilage is the smooth covering where bones meet. A tendon joins muscle to bone. Neither image tells the clinician how walking or reaching feels to you. A later image must be considered with your exam and daily movement. The x-ray or MRI adds detail, but your symptoms still matter. ## What to settle before choosing care Decide whether you want soreness reduced, movement improved or both. Ask when you may notice a change and how progress gets measured. Get the total cost and ask how long recovery may take. You'll need to know what activity is allowed during recovery too. Take older images if you have them, since they may show change over time. QC Kinetix calls its blood and marrow-fluid procedures biologic therapies and offers them as non-surgical choices after examining the joint. ## Sources 1. The RESTORE trial - a participant-, injector- and assessor-blinded RCT of 288 adults aged 50+ with symptomatic medial knee OA (Kellgren-Lawrence 2-3) - compared three weekly intra-articular PRP injections against saline placebo, with co-primary endpoints of 12-month knee pain and medial tibial cartilage volume on MRI. PRP did not beat placebo on either. It is the single best-designed test of the specific claim that PRP changes joint structure, and it was negative. Bennell KL, et al. — [Effect of Intra-articular Platelet-Rich Plasma vs Placebo Injection on Pain and Medial Tibial Cartilage Volume in Patients With Knee Osteoarthritis: The RESTORE Randomized Clinical Trial.](https://pubmed.ncbi.nlm.nih.gov/34812863/). *JAMA*, 2021. DOI: 10.1001/jama.2021.19415. 2. A four-arm, multicentre, single-blind phase 2/3 randomized trial of 480 knee OA patients (KL II-IV) compared autologous bone marrow aspirate concentrate, autologous adipose stromal vascular fraction and allogeneic umbilical-cord-tissue mesenchymal stromal cells against a corticosteroid injection control. At 12 months NONE of the three orthobiologic injections was superior to another, or to the corticosteroid control, and none of the four groups showed a significant change in MRI osteoarthritis score from baseline. No procedure-related serious adverse events occurred. Mautner K, et al. — [Cell-based versus corticosteroid injections for knee pain in osteoarthritis: a randomized phase 3 trial.](https://pubmed.ncbi.nlm.nih.gov/37919438/). *Nature medicine*, 2023. DOI: 10.1038/s41591-023-02632-w. 3. A 2026 systematic review and meta-analysis of 28 randomized trials of intra-articular mesenchymal stem cell-based therapies in knee OA found significant improvements in several pain and function measures (delta-VAS MD -1.67; KOOS pain MD 15.37) but NO significant difference in WOMAC, KOOS quality of life or the Lequesne index, and MRI-based WORMS scores were non-significant - indicating no consistent structural benefit. Its own conclusion: these therapies serve a primarily SYMPTOM-modifying rather than STRUCTURE-modifying role, with higher frequencies of local reactions to weigh against the symptomatic benefit. Awad G, et al. — [Efficacy and safety of intra-articular mesenchymal stem cell-based therapies in knee osteoarthritis: A systematic review and meta-analysis of randomized controlled trials.](https://pubmed.ncbi.nlm.nih.gov/41863718/). *Clinical rheumatology*, 2026. DOI: 10.1007/s10067-026-08042-w. 4. FORWARD, the longest disease-modifying osteoarthritis drug trial reported to date, gave intra-articular sprifermin (a recombinant FGF-18) or placebo to knee OA patients and followed 378 of them for 5 years. Sprifermin produced a significant, sustained dose-response INCREASE in total femorotibial cartilage thickness versus placebo - and WOMAC pain improved about 50% from baseline in ALL groups, including placebo. It is the cleanest demonstration in the literature that adding measurable cartilage and relieving pain are two different results, and that one does not deliver the other. Eckstein F, et al. — [Long-term structural and symptomatic effects of intra-articular sprifermin in patients with knee osteoarthritis: 5-year results from the FORWARD study.](https://pubmed.ncbi.nlm.nih.gov/33962962/). *Annals of the rheumatic diseases*, 2021. DOI: 10.1136/annrheumdis-2020-219181. 5. A systematic review of the discordance between clinical and radiographic knee osteoarthritis: many people with severe-looking x-rays have little pain, and many with disabling pain have modest radiographic change. This is the reason a post-treatment scan is a poor proxy for how someone feels, in either direction. Bedson J, et al. — [The discordance between clinical and radiographic knee osteoarthritis: a systematic search and summary of the literature.](https://pubmed.ncbi.nlm.nih.gov/18764949/). *BMC musculoskeletal disorders*, 2008. DOI: 10.1186/1471-2474-9-116. ## What to ask when you call QC Kinetix provides regenerative treatment options that use parts gathered from your blood or marrow fluid during a clinic procedure. A clinician first checks the sore joint and your health. Find the Peoria office at 13128 N. 94th Dr., Suite 205, Peoria, AZ 85381, or call (602) 837-PAIN. Bring older images, write down every medicine you take and describe the painful movement. Book a free consultation: --- Help with a joint that keeps aching. Joint regeneration Surprise covers aching joints, things to try at home, signs that need care and local choices. Clear guidance for one sore joint and the next choice. This site is operated by the owners of the QC Kinetix Phoenix-area clinics, including the Peoria location recommended here, so readers should understand that the publication benefits when an appointment is booked. © 2026 Surprise Joint Ledger. General education only; a clinician who can examine you should guide decisions about your joint.