Hip Flexor Strain
hipAlso known as: hip flexor pain, iliopsoas strain, pulled hip flexor, front of hip pain, psoas strain
Last reviewed: 2026-04-11
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Interventions
Progressive strengthening of hip flexors and surrounding musculature
3 RCTsA graded strengthening programme targeting the iliopsoas, rectus femoris, and surrounding hip muscles is the primary rehabilitation approach. Starting with isometric contractions and progressing to resisted hip flexion, lunges, and sport-specific movements over 4-8 weeks. Addressing gluteal weakness is also important to reduce compensatory hip flexor loading.
Evidence does not support: Aggressive passive stretching of the hip flexors in the acute phase is not recommended and may worsen the strain. Stretching should be introduced gradually once pain-free range of motion is established.
- Complete muscle rupture (grade III) requiring surgical evaluation
- Pain greater than 4/10 during exercise
Load management and activity modification
2 RCTsReducing or temporarily eliminating activities that place high demand on the hip flexors (hill sprints, high-knee drills, speed work) while maintaining pain-free aerobic fitness is essential. Cross-training with activities like swimming or cycling (if pain-free) can maintain fitness during recovery. Most grade I strains recover in 2-4 weeks.
Evidence does not support: Complete rest beyond 48-72 hours is not recommended. Maintaining pain-free movement and gentle loading promotes faster recovery than immobility.
- Activities causing sharp pain at the front of the hip
Gluteal and core strengthening
2 RCTsStrengthening the gluteal muscles and core helps address the muscle imbalances that often contribute to hip flexor overload. Exercises such as bridges, clamshells, deadlifts, and planks can reduce compensatory strain on the hip flexors during running by improving pelvic stability and hip extension power.
Evidence does not support: Gluteal strengthening alone without direct hip flexor rehabilitation is insufficient. Both muscle groups need to be addressed for full recovery.
- Exercises that reproduce sharp anterior hip pain
Red Flags
Sudden onset of severe groin pain with inability to lift the leg
Action: Seek medical assessment — may indicate a complete muscle tear or avulsion fracture requiring imaging.
Deep groin pain that worsens with coughing or straining
Action: Seek medical assessment to rule out inguinal hernia or abdominal pathology.
Persistent anterior hip or groin pain beyond 6 weeks despite appropriate rehabilitation
Action: Seek specialist review — may indicate hip joint pathology (e.g. labral tear, femoroacetabular impingement) requiring imaging.
Differential Diagnoses
- Femoral stress fracture
- Hip labral tear
- Femoroacetabular impingement (FAI)
- Inguinal hernia (sportsman's hernia)
Frequently asked questions
What is the best evidence-based treatment for Hip Flexor Strain?
The highest-rated treatment for Hip Flexor Strain based on peer-reviewed research is Progressive strengthening of hip flexors and surrounding musculature (Trust Score: 72/100). A graded strengthening programme targeting the iliopsoas, rectus femoris, and surrounding hip muscles is the primary rehabilitation approach. Starting with isometric contractions and progressing to resisted hip flexion, lunges, and sport-specific movements over 4-8 weeks. Addressing gluteal weakness is also important to reduce compensatory hip flexor loading.
How many treatments are there for Hip Flexor Strain?
There are 3 evidence-based interventions for Hip Flexor Strain, ranked by Trust Score from peer-reviewed research including RCTs and systematic reviews. The top treatments are: Progressive strengthening of hip flexors and surrounding musculature, Load management and activity modification, Gluteal and core strengthening.
When should I see a doctor for Hip Flexor Strain?
Seek medical attention immediately if you experience any of the following red flags: Sudden onset of severe groin pain with inability to lift the leg; Deep groin pain that worsens with coughing or straining; Persistent anterior hip or groin pain beyond 6 weeks despite appropriate rehabilitation.
What conditions are similar to Hip Flexor Strain?
Conditions that may present similarly to Hip Flexor Strain include: Femoral stress fracture, Hip labral tear, Femoroacetabular impingement (FAI), Inguinal hernia (sportsman's hernia). A healthcare professional can help differentiate between these.