Coleman block test: technique, interpretation, and variants

Key takeaways

The Coleman block test separates flexible, forefoot-driven cavovarus from rigid, hindfoot-driven cavovarus in under two minutes.

Hindfoot correction to neutral or valgus on the block points toward soft-tissue surgery rather than a bony osteotomy.

The modified test offloads more of the medial forefoot when the standard version gives an equivocal partial correction.

The reverse block test is a separate radiographic tool for planovalgus feet, so it does not subtype cavovarus.

Practice management software like Pabau keeps block test findings recorded the same way by every practitioner who sees the patient.

The Coleman block test is one of orthopedics’ most practical bedside tools, yet clinicians apply it inconsistently and misread what it shows. It takes under two minutes to perform. What it settles is whether a patient with cavovarus deformity needs a soft-tissue release or a bony osteotomy.

This guide covers how to perform the test, how to read the result, and where the modified and reverse versions fit. It also covers what changes when the patient is a child.

What the Coleman block test reveals about cavovarus deformity

The Coleman block test is a weight-bearing assessment of whether hindfoot varus in a cavovarus foot is flexible or rigid. That distinction drives everything that follows. Flexible deformity is driven by an abnormal forefoot position, while rigid deformity reflects fixed structural change in the hindfoot itself.

A cavovarus foot combines an elevated medial longitudinal arch with hindfoot varus. It shows up in children with Charcot-Marie-Tooth disease and other hereditary neuropathies, and in adults with idiopathic or post-traumatic deformity. A 2025 review in Current Opinion in Pediatrics still calls the block test the fundamental clinical tool for this classification.

Recording the finding the same way every time matters as much as performing the test correctly. Practice management software like Pabau gives orthopedic and podiatric practices a shared client record and digital intake forms for foot assessments.

Pathomechanics: forefoot-driven vs hindfoot-driven cavovarus

Before performing the test, it helps to know what separates the two pathomechanical subtypes.

In forefoot-driven cavovarus, overactivity of the peroneus longus muscle plantar-flexes the first metatarsal. That depresses the first ray, and through a coupling mechanism it drives the hindfoot into varus.

The hindfoot itself is structurally normal here, so removing the deforming force lets it settle back. Offloading the first ray is exactly what the block does.

In hindfoot-driven cavovarus, the deformity is fixed within the hindfoot joints themselves. Offloading the first ray changes nothing, because the constraint is bony rather than biomechanical.

Equipment and setup

The equipment is simple, but block dimensions matter for reproducibility.

How to perform the Coleman block test: step-by-step

The whole test takes under two minutes. Precise positioning at each step is what makes the interpretation reliable.

1. Position the patient standing barefoot on a flat surface. The patient stands comfortably without holding support, with weight evenly distributed. Observe baseline hindfoot alignment from behind before placing the block.
2. Place the wooden block under the heel and lateral forefoot. The heel and the fifth metatarsal rest on the block. The medial edge of the block ends just lateral to the first metatarsal head.
3. Let the first ray hang free off the medial edge. The first metatarsal and great toe should drop freely below the level of the block. This is the critical step, because it removes the plantar-flexion force acting on the midfoot.
4. Ask the patient to stand in a natural weight-bearing stance. Full weight goes through the lateral column and the heel resting on the block. Allow five to ten seconds for the hindfoot to settle.
5. Observe hindfoot alignment from behind. Stand directly behind the patient. Judge whether the hindfoot has moved from varus toward neutral or valgus, or whether the varus persists.
6. Document the result. Record whether the hindfoot corrected, plus the degree of correction if you measured it with a goniometer. Consistent structured clinical notes make the next visit comparable to this one.

How to interpret the result

The reading is binary, but the clinical branch that follows is not.

• Hindfoot corrects to neutral or valgus (flexible, forefoot-driven): The varus was secondary to the plantar-flexed first ray. Offloading that ray removes the deforming force and the hindfoot self-corrects. Soft-tissue procedures are appropriate here, including plantar fascia release, first metatarsal osteotomy, and peroneus longus to brevis transfer. Bony hindfoot correction is generally not required.
• Hindfoot remains in varus (rigid, hindfoot-driven): The deformity is structural and fixed. Removing the first ray’s plantar-flexion force has no corrective effect. Bony correction is needed, whether that is a calcaneal osteotomy, a subtalar fusion, or a triple arthrodesis in severe cases.
• Partial correction: Some patients land between the two, neither fully neutral nor unchanged. This suggests a mixed pattern with both forefoot-driven and hindfoot-driven components. Surgical planning gets more complex and may combine soft-tissue and bony procedures.

Both routes need staged rehabilitation afterward. A documented home exercise program keeps that progression consistent between visits, and a return-to-running protocol shows how the same milestone structure works for load-bearing goals.

Surgical planning based on the result

Few bedside tests map this directly onto an operative decision. The block test gates the surgical pathway.

The 2025 review makes the same point. The test guides whether a hindfoot osteotomy is warranted, which gives it a direct surgical output rather than a diagnostic label alone.

That output only helps if it survives the trip from the exam room to the operating list. Linking the finding to appointment scheduling and pre-operative notes in one record stops it getting lost between assessment and surgical booking.

Modified and reverse Coleman block tests

Two other tests carry the Coleman name. One extends the standard technique. The other borrows the block idea for a completely different deformity.

Modified Coleman block test

In the modified version, the block is placed to isolate specific components of forefoot deformity. Some descriptions put the block under only the heel and the lesser metatarsals, so the first and second rays both hang free.

That offloads the medial forefoot more aggressively. It suits patients in whom the standard test produces an ambiguous partial correction. The interpretation logic does not change, since correction still indicates flexibility and non-correction still indicates rigidity.

The literature treats the modified test as useful where the standard technique is equivocal. Its specific indications remain an area of ongoing clinical research rather than settled protocol.

Note in your documentation which modification you used. Different authors describe different block placements under the same label.

Reverse Coleman block test

Despite the name, the reverse Coleman block test examines the planovalgus flatfoot rather than the cavovarus foot. It was published as a clinical tip in Foot and Ankle International in 2009. Blocks are placed under the forefoot, supporting the first metatarsal head, and the height is raised until the calcaneus stands vertical.

With the heel valgus corrected in that position, a weight-bearing lateral radiograph is taken. It shows where the medial column actually sags, most often at the naviculocuneiform joint. That tells the surgeon which joint to address when planning a medial column fusion or osteotomy.

The reverse test therefore says nothing about whether a cavovarus deformity is forefoot-driven or hindfoot-driven. For that question, the standard block test remains the tool. Record the block height that produced a vertical heel, so the measurement can be repeated at the next visit.

Reliability and limitations

The test has been in clinical use for decades, and recent literature has put its reliability under scrutiny.

• Inter-rater reliability: The 2025 review notes that agreement between clinicians has been questioned, though reported coefficients vary across studies. Block placement, observation angle, and each examiner’s threshold for calling the hindfoot corrected all add variation.
• Subjective endpoint: The test relies on visual estimation of hindfoot alignment. Some clinicians measure with a goniometer, others judge by eye. Neither approach is universally standardized, unlike a fixed criteria set such as the Ottawa ankle rules.
• Soft tissue obscuring the view: Significant soft tissue bulk around the posterior ankle makes correction harder to judge from behind. The skin marker technique described above helps.
• Mixed deformity: Partial correction is common, and how much correction counts as forefoot-driven remains a judgment call.
• Not a standalone tool: Read the result alongside the history, neurological examination, weight-bearing radiographs, and gait assessment. Lateral column pain, for example, may have another source, which a cuboid syndrome test can help identify.
• Neurological screening first: New adult cavovarus warrants a search for an underlying neuropathy or radiculopathy. A crossed straight leg raise test may belong in the same visit.

Teams performing regular foot assessments benefit from structured intake and outcome tracking. The principles in patient care management apply directly to how orthopedic and podiatric teams set up these workflows.

What changes in pediatric patients

The technique is the same in children, but the interpretation is not. Four factors change the picture.

• Developmental ligamentous laxity: Children and adolescents have greater physiological laxity than adults. That can produce apparent hindfoot correction even when true structural varus is present, masking a rigid component. Interpret correction cautiously in young children, particularly under age eight.
• Charcot-Marie-Tooth timing: CMT is the most common neurological cause of pediatric cavovarus. Early on, the deformity is often forefoot-driven and fully flexible. Progression over years converts it to a mixed or rigid pattern, so annual retesting tracks that shift and helps time surgery before flexibility is lost.
• Cooperation and positioning: A reliable reading needs a still, full-weight-bearing stance. Children under five or six often cannot hold that position. In this group, treat the result as supporting evidence rather than the primary decision tool.
• Growth considerations: Skeletal maturity changes the plan. A flexible forefoot-driven deformity in a ten-year-old may suit non-operative care or a lighter soft-tissue procedure. The same finding at sixteen warrants more definitive planning.

Pediatric practices managing CMT and developmental cavovarus need longitudinal records that hold up over a decade. Automated recall workflows book the annual reassessment before the family leaves, which is how physical therapy practices keep long-term caseloads on schedule.

How Pabau keeps foot assessment findings consistent

In most orthopedic and podiatric practices, a Coleman block test result lands in whatever free-text box the examining clinician happened to open. The next practitioner reads a sentence rather than a comparable measurement. Two years later, nobody can say whether correction has been lost.

Pabau replaces that with a structured note template. The same fields come up for every clinician: baseline hindfoot angle, block thickness, degree of correction, and the resulting classification. Photos, radiograph notes, and the surgical plan sit on the same patient timeline.

The practical result is that any clinician in the practice can open a record and see how the foot has changed since the last visit. Sports medicine teams use the same setup to keep post-operative follow-up tied to the original assessment.

Keep every foot assessment in one shared record

Pabau gives orthopedic and podiatric practices structured clinical notes, patient records, and scheduling in one place. Assessment findings, surgical planning, and follow-up all stay on the same patient timeline, so nothing is lost between visits.

Book a demo

Conclusion

The heel either corrects on the block or it does not, and that one observation sets the surgical route. Where the answer looks partial, treat it as a prompt to examine further rather than a reason to commit to a side.

The habit worth building is recording the result the same way every time. A result noted only as positive tells the next clinician very little. One noted with block thickness, starting hindfoot angle, and degree of correction can be compared two years later. In a progressive deformity like CMT, that comparison is what decides timing.

Book a demo to see how Pabau structures foot and ankle assessment notes and keeps annual follow-up on schedule.

Continue your research

Building out your provocative test repertoire? Wright test for TOS walks through the positioning and pulse findings that make the result usable.

Assessing shoulder crepitus alongside lower-limb work? Snapping scapula syndrome test gives you a printable examination sequence and recording sheet.

Need a validated outcome score for lower-limb cases? Harris hip score template covers scoring, thresholds, and how to track change over time.

Documenting neurological status at each review? Neuro checks nursing assessment sets out a bedside checklist you can repeat at every visit.

Setting up a musculoskeletal practice from scratch? Opening a physical therapy practice covers the registration, staffing, and workflow decisions that come first.

Frequently asked questions