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Hip Flexor Tendinopathy: Why the Front of Your Hip Hurts, What Irritates It, and What Helps

By Emma Glynn - The Hip & Knee Physio




Introduction

Front-of-hip pain is often blamed on “tight hip flexors.” But in many active adults, especially women over 40, persistent anterior hip pain can be hip flexor tendinopathy.


This condition involves irritation of the tendon - most commonly the iliopsoas tendon - rather than a simple muscle strain.


Understanding the difference matters, because tendons respond differently to treatment than muscles.


This article provides general education only and is not a substitute for individual assessment.


What is hip flexor tendinopathy?

Hip flexor tendinopathy refers to overload or irritation of the iliopsoas tendon (sometimes rectus femoris) where it crosses the front of the hip joint.

Tendinopathy is not a tear in most cases. It reflects:

  • Altered tendon load tolerance

  • Reactive changes within tendon tissue

  • Pain sensitivity during compression or high load


Tendon pain is best understood as a load-capacity mismatch - the tendon is being asked to do more than it currently tolerates (Cook & Purdam, 2009).


What does it usually feel like?

Common symptoms include:

  • Pain at the front of the hip or deep groin

  • Pain when lifting the leg (e.g., getting into a car)

  • Discomfort with stairs or uphill walking

  • Pain during resisted hip flexion

  • Tenderness in the anterior hip crease

Unlike labral tears, true catching or locking is uncommon.

Unlike hip osteoarthritis, stiffness is usually less dominant.


Why does it happen?

1. Sudden load increase

Common triggers:

  • Returning to walking or running after time off

  • Increasing Pilates or gym frequency

  • Adding hills or step-ups

  • Prolonged sitting then sudden activity increase

Tendons dislike rapid spikes in workload (Cook & Purdam, 2009).

2. Prolonged compression

The iliopsoas tendon can become irritated in deep hip flexion positions:

  • Long car rides

  • Deep squats

  • Sitting cross-legged

  • High-step lunges

3. Muscle weakness or load imbalance

Weak gluteal muscles can increase anterior hip demand, shifting more load onto the hip flexor complex.

4. Co-existing hip conditions

Hip flexor tendinopathy may coexist with:

  • Hip labral pathology

  • Femoroacetabular impingement (FAI)

  • Early hip osteoarthritis

Differential diagnosis is important (Reiman & Cook, 2014).


Do I need a scan?

Most cases are diagnosed clinically.

Imaging may be considered if:

  • Pain persists beyond 6–8 weeks of structured rehab

  • Symptoms don’t match tendon pattern

  • There is suspicion of labral tear or stress fracture

MRI can visualise tendon irritation, but imaging findings do not always correlate with pain severity (Reiman & Cook, 2014).

Assessment guides whether imaging changes management.


What usually aggravates it?

  • Fast walking after a sedentary period

  • Hills or stairs

  • Straight-leg raises

  • Aggressive hip flexor stretching

  • Deep lunges

Notably, stretching often worsens symptoms because it compresses and tensions the irritated tendon.


What actually helps?

Clinical tendinopathy management supports three pillars (Cook & Purdam, 2009; Rio et al., 2015):


1. Load modification (not rest forever)

Reduce irritators temporarily:

  • Limit hills

  • Reduce step height

  • Shorten walking stride

Total rest often prolongs recovery.


2. Progressive strengthening

Begin with:

  • Isometric hip flexor work

  • Glute strengthening

  • Pelvic control drills

Then progress toward:

  • Controlled hip flexion under load

  • Functional tasks

  • Sport-specific exposure

Heavy-slow loading improves tendon capacity over time (Rio et al., 2015).


3. Gradual return to higher loads

Running, stair intervals, or gym work are reintroduced progressively based on symptom response.

A simple principle:Symptoms should settle within 24 hours and not progressively worsen week to week.


How long does it take?

Recovery timelines vary depending on:

  • Duration of symptoms

  • Irritability level

  • Activity demands

  • Strength baseline

Mild cases may improve within 4–8 weeks.Long-standing cases may require longer structured loading.

There are no guaranteed timelines.


What you can do this week

  • Reduce deep flexion and aggressive stretching

  • Avoid sudden workload spikes

  • Begin controlled hip and glute strengthening

  • Track 24-hour symptom response

If symptoms persist or worsen, individual assessment is appropriate.


When to book an assessment

  • Pain lasting more than 2–3 weeks

  • Difficulty lifting the leg

  • Night pain that doesn’t settle

  • Uncertainty whether pain is tendon, labral, or joint driven

  • Return-to-sport planning



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Medical Disclaimer

The content provided on this website is for general information and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment.

While The Hip and Knee Physio strives to present accurate and up-to-date information, we do not guarantee results or outcomes based on the information provided. Any exercises, strategies, or recommendations featured on this site should not be considered a personalised treatment plan.

Always seek the advice of a qualified healthcare provider before starting any exercise program, particularly if you are experiencing pain, injury, or a pre-existing medical condition.

Use of this website does not create a physiotherapist–patient relationship. The Hip and Knee Physio accepts no responsibility for any injury or loss arising from reliance on or use of this information.

By using this website, you agree to these terms.


FAQs

Is hip flexor tendinopathy the same as a strain?

No. A strain is an acute muscle injury. Tendinopathy is a load-related tendon irritation.


Should I stretch my hip flexor?

Aggressive stretching may aggravate symptoms early. Controlled strengthening is often more effective.


Can walking make it worse?

Excessive walking or hills can aggravate it. Appropriate load modification usually helps.


Does it show on MRI?

Sometimes, but clinical presentation guides management.


Can it heal without surgery?

Yes. Surgery is rarely required for isolated hip flexor tendinopathy.


References

Cook, J. L., & Purdam, C. R. (2009). Is tendon pathology a continuum? British Journal of Sports Medicine, 43(6), 409–416.

Reiman, M. P., & Cook, C. E. (2014). Diagnostic accuracy of clinical tests for hip pathology. Journal of Orthopaedic & Sports Physical Therapy, 44(6), 422–433.

Rio, E., Kidgell, D., Moseley, G. L., et al. (2015). Isometric exercise induces analgesia in patellar tendinopathy. British Journal of Sports Medicine, 49(19), 1277–1283.

 
 
 

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