Hip Distraction: Clinical Evidence, Indications, and Limitations
Hip distraction is the application of longitudinal traction to create transient intra-articular space. This manual therapy technique is used in the management of hip pain and dysfunction. This article summarises the current evidence, outlines appropriate clinical indications, and contextualises distraction within a broader rehabilitation framework.
Mechanism and Rationale
Hip distraction applies a sustained or oscillatory lateral or longitudinal force to the femur with the aim of decompressing the joint and temporarily reducing intra-articular pressure. Two overlapping mechanisms are proposed to explain its clinical effects. The first is mechanical: cadaveric studies by Estébanez-de-Miguel et al. (2020a, 2020b) demonstrated that long-axis distraction mobilisation (LADM) in open-packed position produces measurable strain on the inferior ilio-femoral ligament, and that this strain and the associated increase in joint space is directly proportional to the magnitude of force applied. The second is neurophysiological: Bialosky et al. (2018) proposed that a mechanical stimulus applied during joint mobilisation initiates a cascade of peripheral and central nervous system responses that modulate nociceptive input and contribute to short-term pain inhibition.
It is important to note that distraction does not alter joint structure, reverse degenerative change, or produce lasting morphological change. Its clinical value lies primarily in these transient neurophysiological and mobility effects.
What the Evidence Shows
A recent randomised controlled trial by Lahuerta-Martín et al. (2026) examined high-force hip lateral distraction mobilisation in 35 individuals with hip-related groin pain. Participants who received distraction demonstrated statistically significant improvements in pain intensity, hip range of motion, squeeze test force, physical function, and quality of life at two weeks compared to a sham group. These findings are clinically promising, but several limitations warrant consideration: the sample size, follow-up was limited to two weeks, and the study population did not specifically include patients with confirmed labral pathology.
Earlier work by Estébanez-de-Miguel et al. (2018) compared high, medium, and low distraction forces in patients with hip osteoarthritis and found that only high-force Long-Axis Distraction Mobilisation (LADM), where the therapist meets and exceeds the first stop of tissue resistance, produced significant improvements in range of motion across all planes. This dose-response relationship has meaningful clinical implications: insufficient force may produce subtherapeutic effects, while appropriate load targeting appears necessary to achieve meaningful ROM gains.
Broader systematic reviews of manual therapy in hip osteoarthritis (Beumer et al., 2016; Kovanur Sampath et al., 2016; Shepherd et al., 2022) demonstrate that while manual therapy produces meaningful short-term reductions in pain and improvements in mobility, it does not consistently outperform structured exercise therapy over the long term. The JOSPT clinical practice guidelines for hip osteoarthritis (2025) reflect this, supporting manual therapy as one component of a multimodal approach rather than a primary standalone treatment.
Distraction and the Hip Labrum
The acetabular labrum functions as a hydraulic seal, contributing to joint stability and resisting distraction forces. Research by Nepple et al. (2014) demonstrated that the labrum plays a measurable role in resisting tensile load across the hip joint, and that larger labral tears reduce this capacity, while smaller tears have comparatively minimal impact on joint stability under distraction load.
This has direct clinical relevance. Applying distraction to a hip with a compromised labrum requires considered clinical reasoning, not blanket caution.
Clinical Indications and Contraindications
The following framework outlines when distraction is likely to be beneficial versus when alternative approaches should take priority.
Consider distraction when:
The hip presents with joint stiffness or compressive symptoms, such as end-range pinching
Pain is provoked by loading and relieved by unloading the joint
Distraction during assessment reproduces a reduction in symptoms
Short-term mobility gains are needed to facilitate participation in therapeutic exercise
Exercise greater caution when:
The hip demonstrates signs of instability — catching, giving way, or poor neuromuscular control
The patient reports worsening symptoms with traction or joint unloading
The primary deficit is muscular weakness rather than mobility or pain sensitivity
There is evidence of significant labral insufficiency affecting joint integrity
Placing Distraction Within a Rehabilitation Model
Hip distraction functions most effectively as an adjunct a technique, used to reduce the symptom barrier and support engagement with active rehabilitation. It is not a treatment in isolation. Beselga et al. (2016) demonstrated that mobilisation with movement in hip osteoarthritis produced significant immediate improvements in pain and function compared to sham, and this kind of short-term effect is best leveraged to progress exercise load, improve movement quality, or reduce fear-avoidance behaviour.
The evidence is consistent: durable outcomes in hip pain are driven by structured progressive loading, neuromuscular retraining, and graduated return to function (Beumer et al., 2016; Kovanur Sampath et al., 2016). Manual therapy, including distraction, serves a useful role in the early or symptomatic phases of care but should be applied with an explicit plan to transition toward active, patient-led management.
Summary
Hip distraction is a clinically appropriate technique in selected presentations. The emerging evidence supports its use for hip-related groin pain in the short term, and sound clinical reasoning can extend its application to other compressive or mobility-limited hip conditions. Force magnitude matters — high-force application targeting tissue resistance appears necessary to achieve meaningful ROM outcomes (Estébanez-de-Miguel et al., 2018). The technique should be integrated into a rehabilitation programme rather than used as the primary intervention, and the presence of labral pathology or joint instability should prompt careful consideration of whether distraction is indicated at all.
References
Beselga, C., Neto, F., Alburquerque-Sendín, F., Hall, T., & Oliveira-Campelo, N. (2016). Immediate effects of hip mobilization with movement in patients with hip osteoarthritis: A randomised controlled trial. Manual Therapy, 22, 80–85. https://doi.org/10.1016/j.math.2015.10.007
Beumer, L., Wong, J., Warden, S. J., Kemp, J. L., Foster, P., & Crossley, K. M. (2016). Effects of exercise and manual therapy on pain associated with hip osteoarthritis: A systematic review and meta-analysis. British Journal of Sports Medicine, 50(8), 458–463. https://doi.org/10.1136/bjsports-2015-094660
Bialosky, J. E., Beneciuk, J. M., Bishop, M. D., Coronado, R. A., Penza, C. W., Simon, C. B., & George, S. Z. (2018). Unraveling the mechanisms of manual therapy: Modeling an approach. Journal of Orthopaedic & Sports Physical Therapy, 48(1), 8–18. https://doi.org/10.2519/jospt.2018.7476
Cibulka, M. T., Bloom, N. J., Enseki, K. R., MacDonald, C. W., Woehrle, J., & McDonough, C. M. (2025). Hip pain and mobility deficits — Hip osteoarthritis: Clinical practice guidelines. Journal of Orthopaedic & Sports Physical Therapy, 55(11), CPG1–CPG82. https://doi.org/10.2519/jospt.2025.0301
Estébanez-de-Miguel, E., Fortún-Agud, M., Jimenez-Del-Barrio, S., Caudevilla-Polo, S., Bueno-Gracia, E., & Tricás-Moreno, J. M. (2018). Comparison of high, medium and low mobilization forces for increasing range of motion in patients with hip osteoarthritis: A randomized controlled trial. Musculoskeletal Science and Practice, 36, 81–86. https://doi.org/10.1016/j.msksp.2018.05.004
Estébanez-de-Miguel, E., López-de-Celis, C., Caudevilla-Polo, S., González-Rueda, V., Bueno-Gracia, E., & Pérez-Bellmunt, A. (2020a). The effect of high, medium and low mobilization forces applied during a hip long-axis distraction mobilization on the strain on the inferior ilio-femoral ligament and psoas muscle: A cadaveric study. Musculoskeletal Science and Practice, 47, 102148. https://doi.org/10.1016/j.msksp.2020.102148
Estébanez-de-Miguel, E., González-Rueda, V., Bueno-Gracia, E., Pérez-Bellmunt, A., López-de-Celis, C., & Caudevilla-Polo, S. (2020b). The immediate effects of 5-minute high-force long axis distraction mobilization on the strain on the inferior ilio-femoral ligament and hip range of motion: A cadaveric study. Musculoskeletal Science and Practice, 50, 102262. https://doi.org/10.1016/j.msksp.2020.102262
Kovanur Sampath, K., Mani, R., Miyamori, T., & Tumilty, S. (2016). The effects of manual therapy or exercise therapy or both in people with hip osteoarthritis: A systematic review and meta-analysis. Clinical Rehabilitation, 30(12), 1141–1155. https://doi.org/10.1177/0269215515622670
Lahuerta-Martín, S., Robles-Pérez, R., Mingo-Gómez, M. T., & Jiménez-del-Barrio, S. (2026). Effects of a high-force hip lateral distraction mobilization in individuals with hip-related groin pain: A randomized controlled trial. Journal of Manual & Manipulative Therapy. https://doi.org/10.1080/10669817.2026.2622561
Nepple, J. J., Philippon, M. J., Campbell, K. J., Dornan, G. J., Jansson, K. S., LaPrade, R. F., & Wijdicks, C. A. (2014). The hip fluid seal — Part II: The effect of an acetabular labral tear on hip stability to distraction. Knee Surgery, Sports Traumatology, Arthroscopy, 22(4), 730–736. https://doi.org/10.1007/s00167-013-2587-0
Shepherd, M. H., Shumway, J., Salvatori, R. T., Rhon, D. I., & Young, J. L. (2022). The influence of manual therapy dosing on outcomes in patients with hip osteoarthritis: A systematic review. Journal of Manual & Manipulative Therapy, 30(6), 315–327. https://doi.org/10.1080/10669817.2022.2068481
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