My knee has been hurting for months so should I search for a physical therapist who specializes in sports injuries or just go to the large rehab clinic my GP recommended?
Fan-out diagram
Seed → topic clusters → sub-queries, per model.
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence. 35 queries are still being classified.
What the models actually searched
Each model answered the query with its own web search. These are the searches it ran, matched to the closest simulated query.
- Sports Injuries: Diagnosis, Treatment, and Steps to Take · niams.nih.gov
- When to See a Physical Therapist for Knee Pain · hss.edu
Semantic map
Every query placed by meaning (EmbeddingGemma 2, 256-d). Shaded regions are topics, nearby points are near-paraphrases, and a circle's size is how often the query came back.
Queries
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
sports physical therapist vs general rehab clinic for chronic knee pain COMPARATIVE | Google ↗ AI Mode ↗ | Understand the main differences in outcomes and treatment approaches between a specialized sports physical therapist and a large general rehab clinic. | — | comparison_table | sports pt versus rehab clinic | 2x of 3 | |
sports physical therapist vs large rehab clinic chronic knee pain COMPARATIVE | Google ↗ AI Mode ↗ | Understand the differences in care quality and setting between a boutique sports PT and a large rehabilitation clinic. | — | comparison_table | sports pt versus rehab clinic | 1x of 3 | |
should I see a sports physical therapist for non athlete chronic knee pain REFORMULATION | Google ↗ AI Mode ↗ | Determine if sports physical therapists treat non-athletes who have long-term knee injuries. | — | faq_page | specialist care for chronic pain | 1x of 3 | |
should I see a specialist for knee pain lasting months REFORMULATION | Google ↗ AI Mode ↗ | Find out if chronic knee pain of several months warrants specialized care rather than standard treatment. | — | web_article | specialist care for chronic pain | 1x of 3 | |
should I see a specialist for knee pain lasting several months REFORMULATION | Google ↗ AI Mode ↗ | Find out if chronic knee pain of several months duration warrants specialized care rather than general physical therapy. | — | web_article | specialist care for chronic pain | 1x of 3 | |
what to expect at a large rehab clinic physical therapy ENTITY EXPANSION | Google ↗ AI Mode ↗ | Learn about the structure, patient load, and staffing model typical of large institutional rehabilitation clinics. | — | web_article | large rehab clinic expectations | 1x of 3 | |
benefits of sports physical therapy for non athletes with knee pain RELATED | Google ↗ AI Mode ↗ | Determine if sports physical therapists treat everyday people or only high-performance athletes. | — | faq_page | sports vs orthopedic physical therapy | 1x of 3 | |
do doctors physical therapy clinic recommendations work best RELATED | Google ↗ AI Mode ↗ | Determine whether GP-recommended rehabilitation clinics offer superior outcomes compared to independently found therapists. | — | faq_page | doctor referral clinic recommendations | 1x of 3 | |
how to choose the right physical therapist for knee pain RELATED | Google ↗ AI Mode ↗ | Find criteria and evaluation metrics for selecting a qualified physical therapist. | — | buyers_guide | choosing a knee physical therapist | 1x of 3 | |
what to expect at a large outpatient rehabilitation clinic ENTITY EXPANSION | Google ↗ AI Mode ↗ | Learn about the environment, staffing ratios, and treatment approach typical of large hospital-affiliated or commercial rehab clinics. | — | web_article | large rehab clinic expectations | 1x of 3 | |
what does a sports physical therapist do for knee injuries ENTITY EXPANSION | Google ↗ AI Mode ↗ | Learn the specific treatment modalities and diagnostic approaches used by sports injury physical therapists. | — | web_article | sports vs orthopedic physical therapy | 1x of 3 | |
chronic knee pain physical therapy treatment methods IMPLICIT | Google ↗ AI Mode ↗ | Identify the standard physical therapy interventions used for treating knee pain lasting several months. | — | web_article | chronic knee pain treatment methods | 1x of 3 | |
chronic knee pain treatment options and recovery timeline IMPLICIT | Google ↗ AI Mode ↗ | Discover standard medical and physical therapy interventions for knee pain that has persisted for months. | — | buyers_guide | chronic knee pain treatment methods | 1x of 3 | |
large outpatient rehab facility vs private physical therapy practice COMPARATIVE | Google ↗ AI Mode ↗ | Compare patient-to-therapist ratios, equipment availability, and environment between large centers and private clinics. | — | comparison_table | large rehab clinic expectations | 1x of 3 | |
benefits of boutique physical therapy clinic vs large hospital network COMPARATIVE | Google ↗ AI Mode ↗ | Compare personalized boutique practices against large hospital-affiliated rehab centers. | — | comparison_table | boutique clinic versus hospital network | 1x of 3 | |
as someone with sedentary job how do I choose knee physical therapy PERSONALIZED | Google ↗ AI Mode ↗ | Find tailored advice on selecting a physical therapy provider when the patient is not an active athlete. | — | checklist | choosing a knee physical therapist | 1x of 3 | |
chronic knee pain physical therapy what to expect IMPLICIT | Google ↗ AI Mode ↗ | Discover what the evaluation and treatment process looks like for long-term knee pain in physical therapy. | — | how_to_steps | chronic knee pain treatment methods | 1x of 3 | |
questions to ask physical therapist during initial consultation knee pain RELATED | Google ↗ AI Mode ↗ | Get a list of relevant questions to ask prospective physical therapists about their experience with chronic knee issues. | — | checklist | choosing a knee physical therapist | 1x of 3 | |
how do physical therapy clinics differ in patient care models RELATED | Google ↗ AI Mode ↗ | Compare one-on-one therapist care models with multi-patient clinical environments. | — | web_article | doctor referral clinic recommendations | 1x of 3 | |
how to choose a good physical therapist for knee pain REFORMULATION | Google ↗ AI Mode ↗ | Get actionable criteria and questions to evaluate physical therapists when searching for treatment. | — | checklist | choosing a knee physical therapist | 1x of 3 | |
why physical therapy for knee pain takes months REFORMULATION | Google ↗ AI Mode ↗ | Understand the physiological reasons behind prolonged recovery timelines for chronic knee injuries. | — | web_article | specialist care for chronic pain | 1x of 3 | |
questions to ask a physical therapist during an initial consultation RELATED | Google ↗ AI Mode ↗ | Get a list of questions to evaluate whether a specific PT or clinic is right for chronic knee issues. | — | checklist | choosing a knee physical therapist | 1x of 3 | |
signs your knee pain needs an orthopedic specialist or PT RELATED | Google ↗ AI Mode ↗ | Identify red flags or symptom severities that indicate whether to see a physical therapist or an orthopedic doctor. | — | web_article | choosing a knee physical therapist | 1x of 3 | |
do doctors always get referral kickbacks for physical therapy clinics IMPLICIT | Google ↗ AI Mode ↗ | Evaluate whether GP recommendations for specific clinics are based on quality of care or business affiliations. | — | forum/qna | doctor referral clinic recommendations | 1x of 3 | |
orthopedic physical therapy vs sports physical therapy definition REFORMULATION | Google ↗ AI Mode ↗ | Clarify the overlapping definitions and specialized certifications of orthopedic versus sports physical therapists. | — | glossary/definition | sports vs orthopedic physical therapy | 1x of 3 | |
patient experiences physical therapy large clinic vs private clinic reddit PERSONALIZED | Google ↗ AI Mode ↗ | Read real patient anecdotes comparing personal attention at large rehab clinics versus smaller sports practices. | — | forum/qna | large rehab clinic expectations | 1x of 3 | |
orthopedic physical therapy vs sports physical therapy knee ENTITY EXPANSION | Google ↗ AI Mode ↗ | Distinguish between orthopedic and sports-specific certifications and specializations in physical therapy. | — | glossary/definition | sports vs orthopedic physical therapy | 1x of 3 | |
why is my knee pain not healing after months IMPLICIT | Google ↗ AI Mode ↗ | Understand potential causes of recalcitrant knee pain that fails to resolve on its own over a long period. | — | web_article | specialist care for chronic pain | 1x of 3 | |
do sports PTs only treat athletes REFORMULATION | Google ↗ AI Mode ↗ | Clarify if sports medicine physical therapists accept non-athletes or everyday people with chronic joint issues. | — | faq_page | sports vs orthopedic physical therapy | 1x of 3 | |
patient experiences switching physical therapy clinics mid treatment PERSONALIZED | Google ↗ AI Mode ↗ | Learn about the feasibility and common challenges of changing physical therapy providers if the first choice does not work out. | — | forum/qna | doctor referral clinic recommendations | 1x of 3 | |
pros and cons of boutique physical therapy clinic versus hospital network rehab COMPARATIVE | Google ↗ AI Mode ↗ | Weigh the advantages and disadvantages of smaller specialized clinics against large hospital-run facilities. | — | comparison_table | boutique clinic versus hospital network | 1x of 3 | |
advantages of large outpatient rehabilitation centers for physical therapy ENTITY EXPANSION | Google ↗ AI Mode ↗ | Understand the benefits such as advanced equipment and insurance network integration offered by large rehab networks. | — | web_article | large rehab clinic expectations | 1x of 3 | |
physical therapy intake evaluation for chronic knee pain IMPLICIT | Google ↗ AI Mode ↗ | Learn how physical therapists diagnose the root cause of knee pain that has lasted for months. | — | web_article | chronic knee pain treatment methods | 1x of 3 | |
how many physical therapy sessions needed for chronic knee pain RELATED | Google ↗ AI Mode ↗ | Find typical treatment durations and session frequencies for long-standing knee issues. | — | faq_page | chronic knee pain treatment methods | 1x of 3 | |
how primary care referral influences physical therapy choice ENTITY EXPANSION | Google ↗ AI Mode ↗ | Understand the weight and implications of following a GP's specific clinic recommendation versus seeking alternative options. | — | faq_page | doctor referral clinic recommendations | 1x of 3 |
Passes
Does another pass still surface new queries? A flattening curve means the fan-out has stabilised.
| Model | Pass | Target | Generated | Seconds | Tokens (in / out) | Notes |
|---|---|---|---|---|---|---|
| gemini-3.5-flash-lite | 1 | 12 | 12 | — | 937 / 1,526 | |
| gemini-3.5-flash-lite | 2 | 12 | 12 | — | 937 / 1,544 | |
| gemini-3.5-flash-lite | 3 | 12 | 12 | — | 937 / 1,522 |