The research behind recovery and results | Cha Physical Therapy

The research

The research behind recovery and results.

Physical therapy is not an alternative to medicine. It is the first-line treatment recommended by international clinical guidelines for most musculoskeletal pain. This page is a curated, citable evidence base, drawn from peer-reviewed research published by the institutions and journals below.

Harvard Medical Stanford Medicine Johns Hopkins Mayo Clinic NIH CDC NEJM JAMA The Lancet Annals of Internal Medicine BMJ Cochrane

A. Physical therapy versus surgery and medication

When the evidence is compared, PT is the first-line.

Across multiple randomized controlled trials and long-term follow-ups, physical therapy produces outcomes equivalent or superior to surgery for many of the most common reasons surgery is recommended, with fewer complications and significantly lower cost.

25 vs 10%

For spinal stenosis, surgery and PT produce equivalent function at two years. Surgical patients had a 25 percent complication rate, versus 10 percent of PT patients reporting worsening symptoms.

"Patients achieved similar long-term functional gains with surgical decompression as with an evidence-based physical therapy treatment regimen."

Delitto et al., 2015. Annals of Internal Medicine. acpjournals.org · Harvard Health summary

~70%

For meniscal tears in patients with osteoarthritis, PT alone produced functional outcomes that did not differ from surgery. About seventy percent of PT-only patients avoided surgery entirely.

"We did not find significant differences between the study groups in functional improvement six months after randomization."

Katz et al., 2013. New England Journal of Medicine. nejm.org

10 yr

For shoulder impingement, surgery showed no clinically meaningful advantage over supervised exercise at three months, six months, five years, or ten years across eleven randomized trials.

"No clinically important difference was reported between surgery and active physiotherapy."

Steuri et al., 2019. PLOS One, synthesizing the Paavola RCT. plos.org

44%

For hip osteoarthritis, supervised exercise therapy reduced the need for total hip replacement by forty-four percent over six years versus education alone.

"Exercise therapy in addition to patient education can reduce the need for total hip replacement."

Svege et al., 2015. Annals of the Rheumatic Diseases. pmc.ncbi.nlm.nih.gov

5.4 pt

For sciatica of less than ninety days, early physical therapy produced a 5.4-point Oswestry Disability Index advantage over usual primary care at six months.

"Referral to physical therapy for recent-onset sciatica improved disability and other outcomes."

Fritz et al., 2021. Annals of Internal Medicine. acpjournals.org

B. Manual therapy and hands-on care

Hands-on work has a measurable physiological effect.

Joint mobilization, soft tissue work, and the targeted hands-on techniques that define manual therapy produce measurable changes in the nervous system and in clinical outcome studies. The effect is not placebo.

CNS

Joint mobilization activates central pain inhibition pathways, reduces nociceptive behavior, and lowers pro-inflammatory cytokines in central nervous system tissues.

"Joint mobilization reduces nociceptive behavior and pro-inflammatory cytokines in central tissues."

Lima et al., 2020. Frontiers in Neuroscience. Plus Bialosky, JOSPT 2018. frontiersin.org · jospt.org

Neck

Manual joint mobilization produces significant pain reduction and functional improvement in chronic neck pain, especially when combined with exercise therapy.

"Manual therapy combined with exercise is more effective than either intervention alone for chronic neck pain."

JOSPT, 2025. Systematic review with meta-analysis. jospt.org

Level A

For plantar fasciitis, the JOSPT clinical practice guideline directs clinicians to use joint and soft tissue mobilization as Level A evidence-based first-line care.

"Clinicians should use manual therapy to decrease pain and improve function in individuals with plantar fasciitis."

Koc et al., 2023. JOSPT Clinical Practice Guideline Revision. jospt.org

Tennis elbow

Mobilization with movement for lateral epicondylalgia produces immediate, short-term, and long-term benefits in pain and grip strength.

"Results support the use of mobilization with movement in providing immediate, short, and long-term benefits."

Hoogvliet et al., 2013. British Journal of Sports Medicine. pmc.ncbi.nlm.nih.gov

C. Pain-specific outcomes

The conditions PT treats best. And what the research shows.

For the most common reasons patients walk into a clinic, peer-reviewed evidence makes physical therapy the recommended first move. Below are the leading findings by condition.

Knee OA

Across 139 trials in 12,468 participants, exercise therapy improved physical function and pain in knee osteoarthritis with no serious adverse events recorded.

"Exercise likely results in an improvement in physical function. As there is no cure, self-management of symptoms via exercise is recommended."

Fransen et al., 2024 update. Cochrane Database of Systematic Reviews. cochranelibrary.com

#1

Low back pain is the leading cause of disability worldwide. 619 million people reported it in 2020. US healthcare spending on low back pain alone reached $134.5 billion in 2016.

"Low back pain remains the leading cause of disability globally."

Ferreira et al., 2023. Lancet Rheumatology. thelancet.com

Lancet

International guidelines have moved away from medicalized back-pain management. Education, exercise, and manual therapy are prioritized over imaging, opioids, and surgery.

"International clinical guidelines have prioritized nonpharmacological approaches as first line."

Foster et al., 2018. The Lancet Low Back Pain Series. thelancet.com

ACP

The American College of Physicians clinical guideline directs clinicians to prefer heat, massage, manipulation, and exercise over medication for acute and subacute low back pain.

"Clinicians and patients should treat acute or subacute low back pain with non-drug therapies."

Qaseem et al., 2017. Annals of Internal Medicine. acpjournals.org

5 days

For plantar fasciitis, manual therapy combined with stretching produced near-full recovery on the Visual Analog Scale within five days. Benefits sustained from two weeks through four months.

"Manual therapy, stretching, and foot orthoses promote short-term and long-term improvements in clinical outcomes."

Koc et al., 2023. JOSPT Clinical Practice Guideline. jospt.org

D. Pelvic floor physical therapy

One in four women. Almost never treated first-line.

Pelvic floor dysfunction is dramatically more common than the cultural narrative suggests, and the research base for pelvic floor physical therapy as a first-line, non-surgical intervention is strong.

25%

25 percent of US women report at least one pelvic floor disorder. Prevalence rises with age: 27 percent in their forties, 37 percent in their sixties, near 50 percent past eighty.

"Pelvic floor disorders affect almost a quarter of US women."

Nygaard et al., 2008. JAMA. NIH summary. nih.gov

In a Cochrane review of 31 trials in 1,817 women, those doing pelvic floor muscle training were eight times more likely to report cure of stress urinary incontinence than control.

"Results support the recommendation of pelvic floor muscle training as first-line treatment for urinary incontinence in women."

Dumoulin et al., 2018. Cochrane Database of Systematic Reviews. cochranelibrary.com

Stanford

Pelvic floor PT is efficacious for chronic pelvic pain syndrome, vulvodynia, dyspareunia, and prolapse. Adding mindfulness produces additional pain and catastrophizing reductions.

"PFPT can improve or cure symptoms of pelvic organ prolapse and hypertonic pelvic floor disorders."

Wallace et al., 2019. Sexual Medicine Reviews, hosted by Stanford Urology. urology.stanford.edu

E. The opioid alternative

Seeing a PT first dramatically reduces opioid prescription risk.

For musculoskeletal pain, the choice of first provider has a measurable effect on whether patients end up on opioids at all. Across multiple large-scale population studies, physical therapy as the first stop is associated with sharp reductions.

87%

In 150,000-plus low-back-pain patients, those who saw a physical therapist first were 87 percent less likely to receive an opioid prescription, 28 percent less likely to have imaging, and 15 percent less likely to visit the ER.

"Patients with low back pain who saw a physical therapist first were 87 percent less likely to receive an opioid prescription."

Frogner et al., 2018. Health Services Research. pubmed.ncbi.nlm.nih.gov

66%

Across 88,985 privately insured patients, early physical therapy reduced chronic opioid use by 34 percent for low back pain and 66 percent for knee pain.

"If you can get these patients on physical therapy reasonably quickly, that reduces the probability that they'll be using opioids."

Sun et al., 2018. JAMA Network Open. Stanford Medicine press release. pmc.ncbi.nlm.nih.gov · stanford.edu

CDC

The CDC Clinical Practice Guideline for opioid prescribing endorses exercise therapy and physical therapy as preferred first-line for back pain, fibromyalgia, and hip and knee osteoarthritis.

"Clinicians should recommend appropriate noninvasive nonpharmacologic approaches, such as exercise or exercise therapy."

Dowell et al., 2022. CDC MMWR Recommendations and Reports. cdc.gov

F. Cost-effectiveness

PT-led care also costs less. Significantly less.

Direct access to physical therapy, and starting with PT before medical referral pathways, has been repeatedly associated with reduced total costs per episode, fewer downstream visits, and fewer imaging and injection procedures.

$1,232

A systematic review found direct access to physical therapy lowered total costs by an average of $1,232 per patient and reduced visits by 4.6 versus physician-first care, with no missed diagnoses.

"Direct access revealed significantly lower total costs and fewer visits compared to physician-first episodes."

Demont et al., 2021. Physical Therapy journal (APTA). academic.oup.com

$2,700

Patients choosing PT-led spine management directly saved up to $2,736 per episode versus medical referral pathways. Direct-access PT episodes were 65 percent shorter.

"Patients who chose direct-access physical therapy-led spine management displayed significantly lower total costs."

Denninger et al., 2018. Journal of Orthopaedic and Sports Physical Therapy. jospt.org

Early PT

Across roughly 980,000 US adults with acute low back pain, early PT was associated with lower 30-day spending and significantly lower odds of ER visits, advanced imaging, specialist visits, and epidural steroid injections.

"Early PT was associated with lower odds of emergency department visits, advanced imaging, orthopaedist visits, and epidural steroid injections."

Liu et al., 2022. BMC Health Services Research. bmchealthservres.biomedcentral.com

Every study above is publicly indexed and citable. Links go to the original journal, the National Library of Medicine archive, or the publishing institution. This page is a reference, not medical advice. If you are considering or comparing treatment options for a specific diagnosis, the right conversation is with a clinician who can evaluate your case in person.

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