Part IV is a practical assessment of clinical competency, so preparation should train decisions, not recall. Treat every practice case as a spoken chain: screen first, name what you are ruling out, choose conservative care or referral, and state why. Work through the red-flag checklist, the imaging search pattern, and the contraindication table below, then rehearse recorded paper cases until your decision chain is complete. Administrative details — application, scheduling, eligibility — belong to NBCE, so confirm those at nbce.org rather than from any study guide.
Part IV Asks What You Would Do Next, Not What You Remember
Part IV is built around practical demonstration of clinical competency: you meet patient-based stations, act as the treating doctor, and show the sequence screen–decide–justify rather than recite isolated facts.
A recall question asks which nerve root supplies the anterior thigh; a station asks what you do when a 45-year-old with anterior thigh pain also reports recent night sweats. The first answer is a nerve root. The second answer starts with screening for systemic disease, then choosing exam steps, then deciding whether conservative care or referral fits today. Practice by speaking a fixed case order aloud — history, red-flag screen, focused exam, working diagnosis, plan, rationale — because the order itself is the skill being demonstrated.
Name the chain case management and rehearse it as a loop, not a list. In each practice case, force yourself to verbalize what you are ruling out before you name what you think it is: 'I will rule out fracture, infection, and neoplasm before treating mechanical low back pain' takes seconds and converts a memorized red-flag list into a clinical habit. Build a bank of roughly twenty written cases from your school materials and run every one through the same loop until the order is automatic.
Screening for Red Flags Before You Propose a Manipulation
Before any thrust, a case should show that urgent and systemic causes were considered: fracture, infection, tumor, and progressive neurologic deficit. Make the screen explicit, then choose conservative care, modified care, or referral.
Worked scenario: a 58-year-old presents with three months of worsening low back pain that now wakes her at night, plus ten pounds of unexplained weight loss and no relief from any position change. The tempting move is to match 'low back pain' to a lumbar adjustment and begin treating. The better decision is to stop at the screen: night pain combined with unexplained weight loss is a systemic pattern, not a mechanical one, so the plan becomes imaging and medical referral rather than manipulation.
This matters because the screen changes the entire case: the history questions you ask, the exam you select, and the closing plan all follow from it. Build a personal checklist — new pain over age 50, night pain, unexplained weight change, fever, recent significant trauma, bladder or bowel change, saddle numbness, progressive weakness — and attach an action to each item. Rehearse saying the action, not just the finding, because a screen without a stated next step leaves the decision invisible to anyone observing the case.
Reading the Radiograph with a Fixed Search Pattern
An imaging station rewards a systematic search — alignment, bone, cartilage and joint spaces, then soft tissue — and a description that gives location and morphology before conclusions. Anchoring on the most obvious finding is the avoidable error.
Choose one pattern and never vary it. For a lumbopelvic film, a workable sequence is: count and align the segments; assess bone density and outlines, including the pedicles; inspect disc spaces and facet joints; then sweep soft-tissue shadows such as the psoas margins and bowel gas. Only after the full sweep do you interpret. The order exists because obvious lesions pull the eye, and an unstructured glance can miss a second finding — a pedicle change or an incidental mass — sitting outside the region that first caught your attention.
Practice describing before diagnosing, out loud and in writing: 'moderate disc space narrowing at L4–L5 with anterior osteophyte formation; pedicles intact at all levels; psoas shadows symmetrical.' This habit does two things: it proves you searched the whole film, and it separates observation from conclusion, which is exactly the reasoning an applied exam asks you to show. When your working impression is degenerative joint disease, tie it back to the specific findings that support it, and name what findings would change your mind.
Sorting Absolute from Relative Contraindications in a Case
Absolute contraindications stop manipulation at the involved region and push toward referral; relative contraindications modify technique, region, or force. A case should show you classifying the finding and stating the resulting action.
The error to avoid is treating the whole contraindication list as one category. Fracture, neoplasm, and infection at the site end the treatment question; instability at a single segment or reduced bone quality changes how and where you treat. In a written case, the classification drives the plan: an absolute finding means no thrust at that region plus a referral or co-management pathway, while a relative finding means you justify a modified approach such as a low-force method or treating adjacent segments instead.
Build the table yourself from your current school references rather than from memory of a lecture slide, because classifications and preferred technique responses vary between references, and your program's faculty are the authority for what you will demonstrate. The exam-time habit is the same either way: name the finding, name its classification, name the action. 'This is a relative finding, so I would select a non-thrust technique and re-evaluate' is a complete decision; the same words attached to an absolute finding would be an error.
| Finding in the case | Typical classification | Decision the case should show |
|---|---|---|
| Acute or suspected fracture at the region | Absolute | No manipulation; immobilization or referral pathway |
| Tumor or untreated infection at the region | Absolute | Refer for medical workup before conservative care |
| Saddle anesthesia with bladder or bowel change | Absolute; emergency | Emergency referral, not office treatment |
| Reduced bone quality or vertebral insufficiency | Relative, technique-modifying | Low-force or modified technique, or avoid thrust at the involved level |
| Segmental hypermobility or instability | Relative | Avoid thrust at that segment; emphasize stabilization |
When the Chiropractic Case Is Not a Chiropractic Problem
Some presentations that look mechanical are visceral or vascular: exertional chest pain, abdominal pain referring to the back, or dizziness with neck complaints. Pattern questions, not palpation, are what expose them.
Worked scenario: a 42-year-old presents with neck pain and mentions, almost in passing, several weeks of dizziness with blurred vision when looking overhead. The tempting plan is a cervical adjustment for 'neck dysfunction.' The better decision is to pause at the screen: dizziness plus visual disturbance following neck movement is a pattern associated with vertebrobasilar concern, so the case should show targeted screening questions, no cervical thrust, and referral for evaluation before any manual therapy is considered.
Extend the same discipline to the other masquerades you should be able to list from your training: chest discomfort that is exertional or radiates to the arm or jaw; abdominal pain referring to the mid-back; pain unrelated to movement and unrelieved by position. Each of these breaks the mechanical rule that position and load change symptoms. When a history violates that rule, shift from treatment mode to screening mode and say so aloud — applying that shift consistently is what these cases are written to test.
Making Your Rationale Visible in Documentation
A plan entry that says only 'adjust L5' records a conclusion. Documentation should record the screening performed, the findings ruled out, the technique chosen, and the reason it was chosen.
Compare two chart entries. Entry one: 'Dx: acute LBP. Rx: HVLA L4–L5.' Entry two: 'Subjective red-flag screen negative for night pain, weight change, trauma, and bowel or bladder change; neurologic screen intact; working diagnosis mechanical low back pain; technique selected for this presentation with informed consent; re-evaluate in one week.' The second entry shows the reasoning path, and showing your path is the same habit an applied, station-based exam is structured to observe when you walk through a case aloud.
In practice, this documentation is also the professional record: it demonstrates that contraindications were considered, that consent was obtained, and that the plan had a defined endpoint. Rehearse the full chain on paper cases — history, screen, exam findings, diagnosis, plan, rationale, re-evaluation — then audit it: every treatment decision you wrote should trace back to a finding you recorded. A decision without a recorded finding is a guess; a finding without a stated action is an unfinished thought.
A Six-Week Preparation Sequence and a Self-Check Rubric
Sequence preparation in three phases: screening scripts and checklists first, imaging search patterns second, full spoken case simulations last. Finish with recorded cases scored against a rubric until the decision chain is complete.
A realistic, adaptable sequence: in weeks one and two, write and memorize your red-flag checklist, your contraindication table, and your case-order script, sourcing all of it from your school's current references. Weeks three and four, drill imaging with the fixed search pattern on whatever teaching films your program provides, describing each aloud before interpreting. Weeks five and six, run full paper cases with a study partner reading the case to you, forcing spoken answers under a per-case time limit. Adjust the length to your calendar; keep the order.
The exercise: in the final week, record yourself running two paper cases per day, then score each recording against the five-item rubric below. Treat nine or ten points on two consecutive cases as your readiness milestone for the decision chain itself — a learning milestone, not a prediction of any exam result. Expect your earliest recordings to show the same two gaps: treatment proposed before the screen finished, and an imaging impression given before the search pattern completed. Re-record until both gaps close.
- Two points — screened for red flags before proposing any treatment
- Two points — named specifically what was being ruled out and the next step for each item
- Two points — described imaging findings by location and morphology before giving any impression
- Two points — stated a technique choice and the justification for it
- Two points — closed with a defined re-evaluation or referral plan
References and further reading
Use these references to explore the concepts and check the latest information from the relevant organizations.